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EP2294951A1 - Letterbox device with a device for detecting mail and detection method implemented - Google Patents

Letterbox device with a device for detecting mail and detection method implemented Download PDF

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Publication number
EP2294951A1
EP2294951A1 EP10305962A EP10305962A EP2294951A1 EP 2294951 A1 EP2294951 A1 EP 2294951A1 EP 10305962 A EP10305962 A EP 10305962A EP 10305962 A EP10305962 A EP 10305962A EP 2294951 A1 EP2294951 A1 EP 2294951A1
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EP
European Patent Office
Prior art keywords
sensor
container
detection
measurement
illumination
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10305962A
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German (de)
French (fr)
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EP2294951B1 (en
Inventor
Thierry Supernat
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Renz Sarl (societe A Responsabilite Limitee)
Original Assignee
Renz Sarl (societe A Responsabilite Limitee)
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G29/00—Supports, holders, or containers for household use, not provided for in groups A47G1/00-A47G27/00 or A47G33/00 
    • A47G29/12—Mail or newspaper receptacles, e.g. letter-boxes; Openings in doors or the like for delivering mail or newspapers
    • A47G29/122—Parts, details, or accessories, e.g. signalling devices, lamps, devices for leaving messages
    • A47G29/1225—Signalling devices
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G29/00—Supports, holders, or containers for household use, not provided for in groups A47G1/00-A47G27/00 or A47G33/00 
    • A47G29/12—Mail or newspaper receptacles, e.g. letter-boxes; Openings in doors or the like for delivering mail or newspapers
    • A47G29/1209—Rural letter-boxes
    • A47G29/121—Signalling devices
    • A47G29/1212—Signalling devices comprising electrical parts
    • A47G29/1214—Signalling devices comprising electrical parts including a receiver located remotely from the letter-box and a transmitter
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G29/00—Supports, holders, or containers for household use, not provided for in groups A47G1/00-A47G27/00 or A47G33/00 
    • A47G29/12—Mail or newspaper receptacles, e.g. letter-boxes; Openings in doors or the like for delivering mail or newspapers
    • A47G29/122—Parts, details, or accessories, e.g. signalling devices, lamps, devices for leaving messages
    • A47G29/1225—Signalling devices
    • A47G2029/1226—Signalling devices comprising electrical parts

Definitions

  • the present invention relates to the field of the detection of objects or articles, in particular the detection and / or reporting of presence of mail in a mailbox or similar receiving container.
  • It relates to a mailbox device provided with a detection device and a method of detecting mail in a mailbox container.
  • a first known solution (for example by the document US 4,794,377 ) consists of detecting the opening of a door or an introduction flap and signaling this state or maneuver.
  • this solution is not applicable to containers having slot-like introduction openings or the like, that is to say not requiring the opening of a shutter or a door to introduce the mail.
  • the present invention aims in particular to overcome the limitations and disadvantages of known solutions, in particular those mentioned above.
  • the invention relates to a mailbox device, individual or collective, comprising at least one container for receiving mail, such as letters, prospectuses, packages or the like, the container or at least some, preferably the set of containers is (are) equipped (s) with an object detection device essentially comprising, firstly, an optical or optoelectronic sensor integrating or associated with a unit of operation and / or processing the signals supplied by the sensor and, if appropriate, transmitting data or detection information and, secondly, lighting means of the reception area of at least the corresponding container, characterized in that the sensor consists of a colorimetric sensor adapted to measure the intensities of at least two distinct colored light components inside the container, and in that said device comprises means for performing for each detection operation a double measurement by means of the sensor, namely a measurement with illumination and a measurement without illumination.
  • an object detection device essentially comprising, firstly, an optical or optoelectronic sensor integrating or associated with a unit of operation and / or processing the signals supplied by the sensor and, if appropriate
  • the Figures 1 and 2 show partially or as a whole a mailbox device, individual or collective, comprising at least one container 3 for receiving mail 2, such as letters, prospectuses, packages or the like, the container 3 or at least some , preferably all the containers 3 is (are) equipped with a device 1 for detecting objects essentially comprising, on the one hand, an optical or optoelectronic sensor 4 integrating or associated with a unit 5 for operating and / or processing the signals supplied by the sensor and, if appropriate, transmission data or detection information and, secondly, a means 6 for illuminating the receiving zone 7 at least the corresponding container 3.
  • a device 1 for detecting objects essentially comprising, on the one hand, an optical or optoelectronic sensor 4 integrating or associated with a unit 5 for operating and / or processing the signals supplied by the sensor and, if appropriate, transmission data or detection information and, secondly, a means 6 for illuminating the receiving zone 7 at least the corresponding container 3.
  • the senor 4 consists of a colorimetric sensor capable of measuring the intensities of at least two distinct colored light components inside the container 3, and in that said device 1 comprises means suitable and adapted for each detection operation a double measurement by means of the sensor 4, namely a measurement with illumination and a measurement without illumination.
  • the device 1 By realizing the detection of objects 2 (such as for example letters, parcels, etc %) by double measurements, with and without forced lighting, it is possible to completely get out of influence and modifications.
  • ambient light the device 1 being based on the detection of colorimetric variations (variations related to the presence of at least one object 2 in the container 3). It can, therefore, be implemented on all types of mailboxes in particular.
  • the colorimetric detection sensor 4 consists of at least three elementary sensors 4 'each of which is capable of measuring the intensity of a distinct colored light component, for example one of the red, the green or the blue (red, green and blue components of the white light), inside the container 3.
  • the processing and / or operating unit 5 comprises means for determining and evaluating results of repeated comparisons between, on the one hand, successive differential measurements, with and without illumination, of the colored light components identified. by the sensor 4 and, on the other hand, a similar reference differential measurement previously made, the container 3 being empty.
  • the lighting means 6 emits white or colored light (red, green, blue) so as to illuminate at least the reception zone 7 of the inside of the container 3.
  • Device 1 sets a reference, for example, during installation, and measures the color components of the empty mailbox.
  • a matte black background can be formed, arranged or glued on the lower face (or on several faces) in order to absorb the maximum of light when no object 2 is present in the mailbox 3.
  • the senor 4 is located above the reception zone 7 of the container 3 and is mounted on or integrated in an upper wall 3 "'of the latter, together with the lighting means 6 possibly.
  • the senor 4 may consist of a large number of elementary sensors 4 'whose multiple signals are collected by the operating and / or processing unit 5 to provide, possibly in addition to the detection information, information or data relating to the shape and / or contour of an object 2 detected in the container 3 (possibly several million groups of elementary sensors 4 'RGB - implementation of a camera, for example of the CCD type).
  • the operation of the device can be managed by a computer program preloaded and executed by the unit 5 and does not require additional explanations.
  • a function of resetting and / or initializing the device is provided.
  • an initialization cycle is advantageously automatically launched.
  • the initialization or reset can be triggered by the operator or the user, for example by means of a suitable trigger member (push button or the like).
  • a reset or initialization may include the definition of new references and a new calibration of the device.
  • the device 1 may also comprise means 8 for transmitting the data and / or the detection information, or even information relating to the shape and / or contour of the detected object 2, by wire and / or radiofrequency to one or more unit (s) 9 signaling, display, retransmission and / or additional processing, in the form of a digital or analog signal.
  • the units 9 receiving the data signal and / or information of the transmission means 8, where appropriate integrated with the sensor 4 and the unit 5 in the same housing mounted in the container 3, may be of different types.
  • the information can be visualized (light signal and / or sound) by portable equipment of small dimensions.
  • the information can also be processed by a stand-alone module or connected to a laptop, to transmit the information by an electronic message (email or SMS) over the Internet, GSM, GPRS, 3G ... or any other digital network analogue allowing the transfer of short messages.
  • an electronic message email or SMS
  • GSM Global System for Mobile communications
  • the detection information can be completed by the transmission of an image of the contents of the box to letters 3. This image can be viewed by stand-alone equipment or a personal computer and can identify the type of content.
  • the subject of the invention is also a method for detecting mail 2, in a mailbox 3 container or the like, implementing a device 1 comprising in particular, on the one hand, an optical or optoelectronic sensor 4 integrating or associated with a unit 5 for operating and / or processing the signals provided by the sensor and, where appropriate, for transmitting data or detection information and, secondly, a means 6 for illuminating the receiving zone 7 and at least said container 3.
  • a device 1 comprising in particular, on the one hand, an optical or optoelectronic sensor 4 integrating or associated with a unit 5 for operating and / or processing the signals provided by the sensor and, where appropriate, for transmitting data or detection information and, secondly, a means 6 for illuminating the receiving zone 7 and at least said container 3.
  • This method is characterized in that it consists, at regular intervals, at least during a period of the diurnal phase, to produce, by means of the sensor 4 of the colorimetric sensor type, a double measurement of the intensities of at least two luminous components. distinct colors, with and without illumination of the reception zone 7, and then successively comparing the differential results of these double measurements respectively with the differential results of a double measurement carried out previously in the absence of object 2 in the container 3, and finally, to provide at least one positive or negative detection information, possibly transmitted remotely.
  • the method may consist in providing and exploiting multiple signals via a large number of elementary sensors 4 'constituting the colorimetric sensor 4 and in extracting shape or contour information concerning a object 2 detected on the reception zone 7, or even an image of said object 2.
  • the measurement of the three red, green and blue components or the white light without illumination makes it possible to distinguish the day of the night and the detection of mail can be interrupted at night to minimize the power consumption of the device 1, especially when its components 4, 5, 6 and 8 installed at the level of the mailbox 3 include an autonomous power supply (battery, accumulator ).

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  • Spectrometry And Color Measurement (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

The device has optical or optoelectronic sensor integrated or fixed with an exploitation and/or processing unit (5) for exploitation and/or processing of signals provided by the sensor. The sensor is a colorimetric detection sensor (4) used for measuring intensities of two distinct colored light components inside a mailbox (3). A lighting unit (6) is provided for lighting a receiving area (7) of the mailbox, where the device realizes measurement functions with lighting effects and measurement functions without lighting effects using the sensor for detection operations. The detection sensor is used for measuring intensities of two distinct colored light components selected from red, green or blue colored components. An independent claim is also included for a method for detection of objects in a mailbox type container.

Description

La présente invention concerne le domaine de la détection d'objets ou d'articles, en particulier de la détection et/ou du signalement de présence de courrier dans une boîte aux lettres ou un contenant de réception analogue.The present invention relates to the field of the detection of objects or articles, in particular the detection and / or reporting of presence of mail in a mailbox or similar receiving container.

Elle a pour objet un dispositif de boîte aux lettres pourvu d'un dispositif de détection et un procédé de détection de courrier dans un contenant de boîte aux lettres.It relates to a mailbox device provided with a detection device and a method of detecting mail in a mailbox container.

De nombreux dispositifs de détection d'objets dans un contenant du type boîte aux lettres sont déjà connus, reposant sur des solutions techniques différentes, mais présentant toutes des limitations, voire des inconvénients.Many devices for detecting objects in a mailbox-type container are already known, based on different technical solutions, but all with limitations or even disadvantages.

Ainsi, une première solution connue (par exemple par le document US 4 794 377 ) consiste à détecter l'ouverture d'une porte ou d'un volet d'introduction et de signaler cet état ou cette manoeuvre.Thus, a first known solution (for example by the document US 4,794,377 ) consists of detecting the opening of a door or an introduction flap and signaling this state or maneuver.

Toutefois, une telle ouverture ne signifie pas obligatoirement qu'un objet a été déposé dans le contenant.However, such an opening does not necessarily mean that an object has been placed in the container.

De plus, cette solution n'est pas applicable à des contenants présentant des ouvertures d'introduction sous forme de fente ou analogue, c'est-à-dire ne nécessitant pas l'ouverture d'un volet ou d'une porte pour introduire le courrier.In addition, this solution is not applicable to containers having slot-like introduction openings or the like, that is to say not requiring the opening of a shutter or a door to introduce the mail.

Dans une autre solution connue (voir par exemple FR 2 852 805 ), il a été proposé de détecter la présence d'un objet dans un contenant par la détection de son poids à l'aide d'un capteur associé à la zone de réception.In another known solution (see for example FR 2 852 805 ), it has been proposed to detect the presence of an object in a container by detecting its weight using a sensor associated with the receiving zone.

Néanmoins, il en résulte une construction complexe pour le contenant, qui est également coûteuse et d'une maintenance fastidieuse. En outre, la détection de courrier de faible poids n'est pas assurée de manière fiable.Nevertheless, this results in a complex construction for the container, which is also expensive and time-consuming maintenance. In addition, detection of low weight mail is not reliably ensured.

Enfin, en accord avec un troisième type de solution connue, comme décrit par exemple dans le document FR 2 900 488 , il a également été proposé d'équiper une boîte aux lettres d'un capteur optique associé à un émetteur GSM pour signaler la présence d'un courrier. Toutefois, un tel capteur est sensible à la lumière environnante et doit être réglé précisément ou même être adapté en fonction du type de boîte aux lettres à équiper (avec volet, sans volet, avec porte d'introduction,...).Finally, in agreement with a third type of known solution, as described for example in the document FR 2 900 488 it has also been proposed to equip a mailbox with an optical sensor associated with a GSM transmitter to signal the presence of a mail. However, such a sensor is sensitive to surrounding light and must be precisely adjusted or even be adapted according to the type of mailbox to equip (with shutter, without shutter, with door of introduction, ...).

La présente invention a notamment pour but de surmonter les limitations et inconvénients des solutions connues, en particulier celles mentionnées précédemment.The present invention aims in particular to overcome the limitations and disadvantages of known solutions, in particular those mentioned above.

A cet effet, l'invention a pour objet un dispositif de boîte aux lettres, individuelle ou collective, comprenant au moins un contenant pour la réception de courrier, tel que des lettres, des prospectus, des paquets ou analogues, le contenant ou au moins certains, préférentiellement l'ensemble des contenants est (sont) équipé(s) d'un dispositif de détection d'objets comprenant essentiellement, d'une part, un capteur optique ou optoélectronique intégrant ou associé à une unité d'exploitation et/ou de traitement des signaux fournis par le capteur et, le cas échéant, de transmission de données ou d'une information de détection et, d'autre part, un moyen d'éclairage de la zone de réception au moins du contenant correspondant,
dispositif caractérisé en ce que le capteur consiste en un capteur colorimétrique apte à mesurer les intensités d'au moins deux composantes lumineuses colorées distinctes à l'intérieur du contenant, et en ce que ledit dispositif comprend des moyens destinés à réaliser pour chaque opération de détection une double mesure au moyen du capteur, à savoir une mesure avec éclairage et une mesure sans éclairage.For this purpose, the invention relates to a mailbox device, individual or collective, comprising at least one container for receiving mail, such as letters, prospectuses, packages or the like, the container or at least some, preferably the set of containers is (are) equipped (s) with an object detection device essentially comprising, firstly, an optical or optoelectronic sensor integrating or associated with a unit of operation and / or processing the signals supplied by the sensor and, if appropriate, transmitting data or detection information and, secondly, lighting means of the reception area of at least the corresponding container,
characterized in that the sensor consists of a colorimetric sensor adapted to measure the intensities of at least two distinct colored light components inside the container, and in that said device comprises means for performing for each detection operation a double measurement by means of the sensor, namely a measurement with illumination and a measurement without illumination.

L'invention sera mieux comprise, grâce à la description ci-après, qui se rapporte à un mode de réalisation préféré, donné à titre d'exemple non limitatif, et expliqué avec référence aux dessins schématiques annexés, dans lesquels :

  • La figure 1 est une représentation schématique en coupe d'un contenant de boîte aux lettres individuelle équipée de certaines parties constitutives au moins d'un dispositif de détection selon l'invention, et,
  • La figure 2 est une représentation schématique d'un dispositif de boîte aux lettres individuelle selon l'invention, montrant le dispositif de détection dans son ensemble.
The invention will be better understood, thanks to the following description, which refers to a preferred embodiment, given by way of non-limiting example, and explained with reference to the attached schematic drawings, in which:
  • The figure 1 is a schematic sectional representation of an individual mailbox container equipped with certain constituent parts of at least one detection device according to the invention, and,
  • The figure 2 is a schematic representation of an individual mailbox device according to the invention, showing the detection device as a whole.

Les figures 1 et 2 montrent partiellement ou dans son ensemble un dispositif de boîte aux lettres, individuelle ou collective, comprenant au moins un contenant 3 pour la réception de courrier 2, tel que des lettres, des prospectus, des paquets ou analogues, le contenant 3 ou au moins certains, préférentiellement l'ensemble des contenants 3 est (sont) équipé(s) d'un dispositif 1 de détection d'objets comprenant essentiellement, d'une part, un capteur optique ou optoélectronique 4 intégrant ou associé à une unité 5 d'exploitation et/ou de traitement des signaux fournis par le capteur et, le cas échéant, de transmission de données ou d'une information de détection et, d'autre part, un moyen 6 d'éclairage de la zone de réception 7 au moins du contenant 3 correspondant.The Figures 1 and 2 show partially or as a whole a mailbox device, individual or collective, comprising at least one container 3 for receiving mail 2, such as letters, prospectuses, packages or the like, the container 3 or at least some , preferably all the containers 3 is (are) equipped with a device 1 for detecting objects essentially comprising, on the one hand, an optical or optoelectronic sensor 4 integrating or associated with a unit 5 for operating and / or processing the signals supplied by the sensor and, if appropriate, transmission data or detection information and, secondly, a means 6 for illuminating the receiving zone 7 at least the corresponding container 3.

Conformément à l'invention, il est prévu que le capteur 4 consiste en un capteur colorimétrique apte à mesurer les intensités d'au moins deux composantes lumineuses colorées distinctes à l'intérieur du contenant 3, et en ce que ledit dispositif 1 comprend des moyens aptes et destinés à réaliser pour chaque opération de détection une double mesure au moyen du capteur 4, à savoir une mesure avec éclairage et une mesure sans éclairage.According to the invention, it is provided that the sensor 4 consists of a colorimetric sensor capable of measuring the intensities of at least two distinct colored light components inside the container 3, and in that said device 1 comprises means suitable and adapted for each detection operation a double measurement by means of the sensor 4, namely a measurement with illumination and a measurement without illumination.

En réalisant la détection d'objets 2 (tels que par exemple des lettres, des colis, etc...) par des doubles mesures, avec et sans éclairage forcé, il est possible de s'affranchir totalement de l'influence et des modifications de la lumière ambiante, le dispositif 1 se basant sur la détection de variations colorimétriques (variations liées à la présence d'au moins un objet 2 dans le contenant 3). Il peut, par conséquent, être mis en oeuvre sur tout type de boîtes aux lettres notamment.By realizing the detection of objects 2 (such as for example letters, parcels, etc ...) by double measurements, with and without forced lighting, it is possible to completely get out of influence and modifications. ambient light, the device 1 being based on the detection of colorimetric variations (variations related to the presence of at least one object 2 in the container 3). It can, therefore, be implemented on all types of mailboxes in particular.

Avantageusement, le capteur de détection colorimétrique 4 est constitué d'au moins trois capteurs élémentaires 4' dont chacun est apte à mesurer l'intensité d'une composante lumineuse colorée distincte, par exemple l'une parmi le rouge, le vert ou le bleu (composantes rouge, verte et bleue de la lumière blanche), à l'intérieur du contenant 3.Advantageously, the colorimetric detection sensor 4 consists of at least three elementary sensors 4 'each of which is capable of measuring the intensity of a distinct colored light component, for example one of the red, the green or the blue (red, green and blue components of the white light), inside the container 3.

Préférentiellement, l'unité 5 de traitement et/ou d'exploitation comporte des moyens de détermination et d'évaluation de résultats de comparaisons répétées entre, d'une part, des mesures différentielles successives, avec et sans éclairage, des composantes lumineuses colorées relevées par le capteur 4 et, d'autre part, une mesure différentielle analogue de référence réalisée préalablement, le contenant 3 étant vide.Preferably, the processing and / or operating unit 5 comprises means for determining and evaluating results of repeated comparisons between, on the one hand, successive differential measurements, with and without illumination, of the colored light components identified. by the sensor 4 and, on the other hand, a similar reference differential measurement previously made, the container 3 being empty.

Plus précisément, le fonctionnement du dispositif 1 peut être prévu comme décrit ci-après, à titre d'exemple, avec la prise en compte de trois composantes colorées (Rouge = R, Vert = V et Bleu = B).More specifically, the operation of the device 1 can be provided as described below, by way of example, with the consideration of three colored components (Red = R, Green = V and Blue = B).

Le moyen d'éclairage 6 émet de la lumière blanche ou colorée (rouge, vert, bleu) de manière à illuminer au moins la zone de réception 7 de l'intérieur du contenant 3.The lighting means 6 emits white or colored light (red, green, blue) so as to illuminate at least the reception zone 7 of the inside of the container 3.

La discrimination de la lumière ambiante est réalisée par une double mesure du capteur 4 avec :

  • Ra, Va, Ba = mesure avec éclairage éteint des composantes R, V, B, et
  • Rb, Vb, Bb = mesure avec éclairage allumé des composantes R, V, B.
The discrimination of the ambient light is carried out by a double measurement of the sensor 4 with:
  • Ra, Va, Ba = measurement with lighting off of R, G, B, and
  • Rb, Vb, Bb = measurement with illuminated components R, V, B.

La mesure différentielle des composantes de la lumière prises en compte est réalisée comme suit :

  • composante rouge = Rb - Ra
  • composante verte = Vb - Va
  • composante bleue = Bb - Ba.
The differential measurement of the components of light taken into account is carried out as follows:
  • red component = Rb - Ra
  • green component = Vb - Va
  • blue component = Bb - Ba.

Le dispositif 1 définit une référence, par exemple, lors de l'installation, et mesure les composantes de la couleur de la boîte aux lettres vide.Device 1 sets a reference, for example, during installation, and measures the color components of the empty mailbox.

Les valeurs de référence font également l'objet d'une double mesure (éclairage allumé et éteint) et sont déterminées comme suit :

  • référence rouge = RRb - Rra
  • référence verte = RVb - Rva
  • référence bleue = RBb - Rba.
The reference values are also subject to a double measurement (lighting on and off) and are determined as follows:
  • reference red = RRb - Rra
  • green reference = RVb - Rva
  • blue reference = RBb - Rba.

On obtient ensuite des valeurs exploitables en vue d'une détection pour chacune des composantes comme suit :

  • détection rouge = composante rouge - référence rouge
  • détection verte = composante verte - référence verte
  • détection bleue = composante bleue - référence bleue.
Then exploitable values are obtained for detection for each of the components as follows:
  • red detection = red component - red reference
  • green detection = green component - green reference
  • blue detection = blue component - blue reference.

Des variations significatives des composantes permettent de détecter la présence d'un objet dans une boîte aux lettres 3 (seuils de détection fixés lors d'une phase de calibrage éventuellement).Significant variations in the components make it possible to detect the presence of an object in a mailbox 3 (detection thresholds set during a calibration phase, if necessary).

En vue d'augmenter le pouvoir de discrimination du dispositif 1, il peut être prévu qu'au moins la paroi 3' formant la zone de réception 7 du contenant 3, et éventuellement les parois latérales 3" de ce dernier, présente une surface noire et mate. Un tel fond noir mat peut être formé, disposé ou collé sur la face inférieure (ou sur plusieurs faces) afin d'absorber le maximum de lumière quand aucun objet 2 n'est présent dans la boîte aux lettres 3.In order to increase the discrimination power of the device 1, it can be provided that at least the wall 3 'forming the receiving zone 7 of the container 3, and possibly the side walls 3 "of the latter, has a black surface Such a matte black background can be formed, arranged or glued on the lower face (or on several faces) in order to absorb the maximum of light when no object 2 is present in the mailbox 3.

Comme le montre la figure 1 notamment, et selon un mode de réalisation préféré, le capteur 4 est situé au-dessus de la zone de réception 7 du contenant 3 et est monté sur ou intégré dans une paroi supérieure 3"' de ce dernier, ensemble avec le moyen d'éclairage 6 éventuellement.As shown in figure 1 in particular, and according to a preferred embodiment, the sensor 4 is located above the reception zone 7 of the container 3 and is mounted on or integrated in an upper wall 3 "'of the latter, together with the lighting means 6 possibly.

Conformément à une variante de réalisation, le capteur 4 peut être constitué d'un nombre important de capteurs élémentaires 4' dont les signaux multiples sont recueillis par l'unité 5 d'exploitation et/ou de traitement pour fournir, éventuellement en plus de l'information de détection, une information ou des données relative(s) à la forme et/ou au contour d'un objet 2 détecté dans le contenant 3 (éventuellement plusieurs millions de groupes de capteurs élémentaires 4' RVB - mise en oeuvre d'une caméra, par exemple du type CCD).According to an alternative embodiment, the sensor 4 may consist of a large number of elementary sensors 4 'whose multiple signals are collected by the operating and / or processing unit 5 to provide, possibly in addition to the detection information, information or data relating to the shape and / or contour of an object 2 detected in the container 3 (possibly several million groups of elementary sensors 4 'RGB - implementation of a camera, for example of the CCD type).

L'homme du métier comprend que le fonctionnement du dispositif peut être géré par un programme informatique préchargé et exécuté par l'unité 5 et ne nécessitant pas d'explications additionnelles. En outre, une fonction de remise à zéro et/ou d'initialisation du dispositif est prévue. Ainsi, lors de la mise sous tension, un cycle d'initialisation est avantageusement automatiquement lancé. Par ailleurs, l'initialisation ou la remise à zéro peut être déclenchée par l'opérateur ou l'utilisateur, par exemple par l'intermédiaire d'un organe de déclenchement adéquat (bouton poussoir ou analogue). Une telle remise à zéro ou initialisation peut inclure la définition de nouvelles références et un nouveau calibrage du dispositif.Those skilled in the art understand that the operation of the device can be managed by a computer program preloaded and executed by the unit 5 and does not require additional explanations. In addition, a function of resetting and / or initializing the device is provided. Thus, when powering up, an initialization cycle is advantageously automatically launched. Furthermore, the initialization or reset can be triggered by the operator or the user, for example by means of a suitable trigger member (push button or the like). Such a reset or initialization may include the definition of new references and a new calibration of the device.

Le dispositif 1 peut également comprendre des moyens 8 de transmission des données et/ou de l'information de détection, voire d'une information relative à la forme et/ou au contour de l'objet 2 détecté, par voie filaire et/ou par voie radiofréquence vers une ou plusieurs unité(s) 9 de signalisation, d'affichage, de retransmission et/ou de traitement additionnel, sous la forme d'un signal numérique ou analogique.The device 1 may also comprise means 8 for transmitting the data and / or the detection information, or even information relating to the shape and / or contour of the detected object 2, by wire and / or radiofrequency to one or more unit (s) 9 signaling, display, retransmission and / or additional processing, in the form of a digital or analog signal.

Les unités 9 recevant le signal de données et/ou d'informations des moyens de transmission 8, le cas échéant intégrés avec le capteur 4 et l'unité 5 dans un même boîtier monté dans le contenant 3, peuvent être de différentes natures.The units 9 receiving the data signal and / or information of the transmission means 8, where appropriate integrated with the sensor 4 and the unit 5 in the same housing mounted in the container 3, may be of different types.

Ainsi, l'information peut être visualisée (signal lumineux et/ou sonore) par un équipement portable de faibles dimensions.Thus, the information can be visualized (light signal and / or sound) by portable equipment of small dimensions.

L'information peut être également traitée par un module autonome ou connecté à un ordinateur portable, pour transmettre l'information par un message électronique (email ou SMS) par le réseau Internet, GSM, GPRS, 3G... ou tout autre réseau numérique analogue permettant le transfert de messages courts.The information can also be processed by a stand-alone module or connected to a laptop, to transmit the information by an electronic message (email or SMS) over the Internet, GSM, GPRS, 3G ... or any other digital network analogue allowing the transfer of short messages.

Dans le cas d'utilisation d'un capteur optoélectronique 4 comportant suffisamment de capteurs élémentaires 4' pour réaliser une détection de contour ou de forme, l'information de détection peut être complétée par la transmission d'une image du contenu de la boîte aux lettres 3. Cette image peut être visualisée par un équipement autonome ou un ordinateur personnel et permet d'identifier le type de contenu.In the case of using an optoelectronic sensor 4 having enough elementary sensors 4 'to perform contour or shape detection, the detection information can be completed by the transmission of an image of the contents of the box to letters 3. This image can be viewed by stand-alone equipment or a personal computer and can identify the type of content.

Enfin, l'invention a également pour objet un procédé de détection de courrier 2, dans un contenant 3 de boîte aux lettres ou analogue, mettant en oeuvre un dispositif 1 comprenant notamment, d'une part, un capteur 4 optique ou optoélectronique intégrant ou associé à une unité 5 d'exploitation et/ou de traitement des signaux fournis par le capteur et, le cas échéant, de transmission de données ou d'une information de détection et, d'autre part, un moyen 6 d'éclairage de la zone de réception 7 et au moins dudit contenant 3.Finally, the subject of the invention is also a method for detecting mail 2, in a mailbox 3 container or the like, implementing a device 1 comprising in particular, on the one hand, an optical or optoelectronic sensor 4 integrating or associated with a unit 5 for operating and / or processing the signals provided by the sensor and, where appropriate, for transmitting data or detection information and, secondly, a means 6 for illuminating the receiving zone 7 and at least said container 3.

Ce procédé est caractérisé en ce qu'il consiste, à intervalles réguliers, au moins durant une période de la phase diurne, à réaliser, au moyen du capteur 4 de type capteur colorimétrique, une double mesure des intensités d'au moins deux composantes lumineuses colorées distinctes, avec et sans éclairage de la zone de réception 7, puis à comparer successivement les résultats différentiels de ces doubles mesures respectivement aux résultats différentiels d'une double mesure effectuée préalablement en l'absence d'objet 2 dans le contenant 3, et enfin à fournir au moins une information de détection positive ou négative, éventuellement transmise à distance.This method is characterized in that it consists, at regular intervals, at least during a period of the diurnal phase, to produce, by means of the sensor 4 of the colorimetric sensor type, a double measurement of the intensities of at least two luminous components. distinct colors, with and without illumination of the reception zone 7, and then successively comparing the differential results of these double measurements respectively with the differential results of a double measurement carried out previously in the absence of object 2 in the container 3, and finally, to provide at least one positive or negative detection information, possibly transmitted remotely.

Bien entendu, ce procédé est avantageusement mis en oeuvre en relation avec un dispositif 1 tel que décrit précédemment.Of course, this method is advantageously implemented in relation to a device 1 as described above.

Selon une variante de réalisation, le procédé peut consister à fournir et à exploiter de multiples signaux par l'intermédiaire d'un nombre important de capteurs élémentaires 4' constituant le capteur colorimétrique 4 et à en extraire une information de forme ou de contour concernant un objet 2 détecté sur la zone de réception 7, voire une image dudit objet 2.According to an alternative embodiment, the method may consist in providing and exploiting multiple signals via a large number of elementary sensors 4 'constituting the colorimetric sensor 4 and in extracting shape or contour information concerning a object 2 detected on the reception zone 7, or even an image of said object 2.

Avantageusement, il peut être prévu de déterminer l'occurrence d'une phase nocturne, en exploitant une mesure sans éclairage, et à désactiver le dispositif 1 pendant une durée déterminée.Advantageously, it may be provided to determine the occurrence of a night phase, using a measurement without lighting, and disable the device 1 for a predetermined period.

En effet, la mesure des trois composantes rouge, verte et bleue ou de la lumière blanche sans éclairage permet de distinguer le jour de la nuit et la détection de courrier peut être interrompue la nuit pour minimiser la consommation électrique du dispositif 1, notamment lorsque ses composantes 4, 5, 6 et 8 installées au niveau de la boîte aux lettres 3 comportent une alimentation autonome (batterie, accumulateur...).Indeed, the measurement of the three red, green and blue components or the white light without illumination makes it possible to distinguish the day of the night and the detection of mail can be interrupted at night to minimize the power consumption of the device 1, especially when its components 4, 5, 6 and 8 installed at the level of the mailbox 3 include an autonomous power supply (battery, accumulator ...).

L'invention a été décrite ci-dessus plus particulièrement en relation avec un contenant 3 unique. L'homme du métier comprend évidemment à la lecture de la présente que le dispositif et le procédé objets de l'invention peuvent être mis en oeuvre pour un groupement de deux ou plus de contenants 3, par exemple pour des boîtes aux lettres collectives, comme indiqué précédemment. Dans une telle application certains moyens pourront être mis en commun (par exemple la transmission) pour réduire les coûts et la complexité du système.The invention has been described above more particularly in relation to a single container 3. Those skilled in the art understand, of course, from reading the present invention that the device and method that are the subject of the invention can be implemented for a grouping of two or more containers 3, for example for collective mailboxes, such as indicated previously. In such an application some means can be pooled (eg transmission) to reduce the costs and complexity of the system.

Bien entendu, l'invention n'est pas limitée au mode de réalisation décrit et représenté aux dessins annexés. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.Of course, the invention is not limited to the embodiment described and shown in the accompanying drawings. Modifications are possible, particularly from the point of view of the constitution of the various elements or by substitution of technical equivalents, without departing from the scope of protection of the invention.

Claims (10)

Dispositif de boîte aux lettres, individuelle ou collective, comprenant au moins un contenant (3) pour la réception de courrier (2), tel que des lettres, des prospectus, des paquets ou analogues, le contenant (3) ou au moins certains, préférentiellement l'ensemble des contenants (3) est (sont) équipé(s) d'un dispositif (1) de détection d'objets comprenant essentiellement, d'une part, un capteur optique ou optoélectronique (4) intégrant ou associé à une unité (5) d'exploitation et/ou de traitement des signaux fournis par le capteur et, le cas échéant, de transmission de données ou d'une information de détection et, d'autre part, un moyen (6) d'éclairage de la zone de réception (7) au moins du contenant (3) correspondant,
dispositif (1) caractérisé en ce que le capteur (4) consiste en un capteur colorimétrique apte à mesurer les intensités d'au moins deux composantes lumineuses colorées distinctes à l'intérieur du contenant (3), et en ce que ledit dispositif (1) comprend des moyens destinés à réaliser pour chaque opération de détection une double mesure au moyen du capteur (4), à savoir une mesure avec éclairage et une mesure sans éclairage.Mailbox device, whether individual or collective, comprising at least one container (3) for receiving mail (2), such as letters, prospectuses, packages or the like, the container (3) or at least some, preferably all the containers (3) are (are) equipped with an object detection device (1) essentially comprising, on the one hand, an optical or optoelectronic sensor (4) integrating or associated with a unit (5) for operating and / or processing the signals supplied by the sensor and, where appropriate, for transmitting data or detection information and, on the other hand, a means (6) for lighting at least the receiving zone (7) of the corresponding container (3),
device (1) characterized in that the sensor (4) consists of a colorimetric sensor capable of measuring the intensities of at least two distinct colored luminous components inside the container (3), and in that said device (1 ) comprises means for performing for each detection operation a double measurement by means of the sensor (4), namely a measurement with illumination and a measurement without illumination. Dispositif selon la revendication 1, caractérisé en ce que le capteur de détection colorimétrique (4) est constitué d'au moins trois capteurs élémentaires (4') dont chacun est apte à mesurer l'intensité d'une composante lumineuse colorée distincte, par exemple l'une parmi le rouge, le vert ou le bleu.Device according to Claim 1, characterized in that the colorimetric detection sensor (4) consists of at least three elementary sensors (4 ') each of which is capable of measuring the intensity of a distinct colored light component, for example one among red, green or blue. Dispositif selon l'une quelconque des revendications 1 et 2, caractérisé en ce que l'unité (5) de traitement et/ou d'exploitation comporte des moyens de détermination et d'évaluation de résultats de comparaisons répétées entre, d'une part, des mesures différentielles successives, avec et sans éclairage, des composantes lumineuses colorées relevées par le capteur (4) et, d'autre part, une mesure différentielle analogue de référence réalisée préalablement, le contenant (3) étant vide.Device according to any one of claims 1 and 2, characterized in that the unit (5) for processing and / or exploitation comprises means for determining and evaluating results of repeated comparisons between, on the one hand , successive differential measurements, with and without illumination, of the colored light components detected by the sensor (4) and, secondly, a similar reference differential measurement previously produced, the container (3) being empty. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'au moins la paroi (3') formant la zone de réception (7) du contenant (3), et éventuellement les parois latérales (3") de ce dernier, présente une surface noire et mate.Device according to any one of claims 1 to 3, characterized in that at least the wall (3 ') forming the receiving zone (7) of the container (3), and possibly the side walls (3 ") of this last, has a black and matte surface. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le capteur (4) est situé au-dessus de la zone de réception (7) du contenant (3) et est monté sur ou intégré dans une paroi supérieure (3"') de ce dernier.Device according to one of Claims 1 to 4, characterized in that the sensor (4) is situated above the zone of receiving (7) the container (3) and is mounted on or integrated in a top wall (3 "') thereof. Dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le capteur (4) est constitué d'un nombre important de capteurs élémentaires (4') dont les signaux multiples sont recueillis par l'unité (5) d'exploitation et/ou de traitement pour fournir, éventuellement en plus de l'information de détection, une information ou des données relative(s) à la forme et/ou au contour d'un objet (2) détecté dans le contenant (3).Device according to any one of claims 1 to 5, characterized in that the sensor (4) consists of a large number of elementary sensors (4 ') whose multiple signals are collected by the unit (5) of operation and / or processing for providing, possibly in addition to the detection information, information or data relating to the shape and / or contour of an object (2) detected in the container (3) . Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'il comprend également des moyens (8) de transmission des données et/ou de l'information de détection, voire d'une information relative à la forme et/ou au contour de l'objet (2) détecté, par voie filaire et/ou par voie radiofréquence vers une ou plusieurs unité(s) (9) de signalisation, d'affichage, de retransmission et/ou de traitement additionnel, sous la forme d'un signal numérique ou analogique.Device according to any one of claims 1 to 6, characterized in that it also comprises means (8) for transmitting the data and / or the detection information, or even information relating to the form and / or or the contour of the object (2) detected, by wire and / or radio frequency to one or more unit (s) (9) signaling, display, retransmission and / or additional processing, under the form of a digital or analog signal. Procédé de détection de courrier dans un contenant de boîte aux lettres ou analogue, mettant en oeuvre un dispositif comprenant notamment, d'une part, un capteur optique ou optoélectronique intégrant ou associé à une unité d'exploitation et/ou de traitement des signaux fournis par le capteur et, le cas échéant, de transmission de données ou d'une information de détection, et, d'autre part, un moyen d'éclairage de la zone de réception au moins dudit contenant,
procédé caractérisé en ce qu'il consiste, à intervalles réguliers, au moins durant une période de la phase diurne, à réaliser, au moyen du capteur (4) de type capteur colorimétrique, une double mesure des intensités d'au moins deux composantes lumineuses colorées distinctes, avec et sans éclairage de la zone de réception (7), puis à comparer successivement les résultats différentiels de ces doubles mesures respectivement aux résultats différentiels d'une double mesure effectuée préalablement en l'absence d'objet (2) dans le contenant (3), et enfin à fournir au moins une information de détection positive ou négative, éventuellement transmise à distance.A method for detecting mail in a mailbox or the like, using a device comprising in particular an optical or optoelectronic sensor integrating or associated with an operating unit and / or processing the signals supplied by the sensor and, where appropriate, data transmission or detection information, and, secondly, a means of illumination of the receiving zone at least of said container,
characterized in that at intervals of at least one period of the diurnal phase it comprises, by means of the colorimetric sensor (4), a double measurement of the intensities of at least two luminous components. different colors, with and without illumination of the reception zone (7), and then successively comparing the differential results of these double measurements respectively with the differential results of a double measurement carried out previously in the absence of object (2) in the containing (3), and finally to provide at least one positive or negative detection information, possibly transmitted remotely. Procédé selon la revendication 8, caractérisé en ce qu'il consiste à fournir et à exploiter de multiples signaux par l'intermédiaire d'un nombre important de capteurs élémentaires (4') constituant le capteur colorimétrique (4) et à en extraire une information de forme ou de contour concernant un objet (2) détecté sur la zone de réception (7), voire une image dudit objet (2).Method according to Claim 8, characterized in that it consists in providing and exploiting multiple signals via a large number of elementary sensors (4 ') constituting the colorimetric sensor (4) and in extracting a piece of information from them. shape or outline concerning an object (2) detected on the reception zone (7), or even an image of said object (2). Procédé selon l'une quelconque des revendications 8 et 9, caractérisé en ce qu'il consiste à déterminer l'occurrence d'une phase nocturne, en exploitant une mesure sans éclairage, et à désactiver le dispositif (1) pendant une durée déterminée.Method according to any one of claims 8 and 9, characterized in that it consists in determining the occurrence of a night phase, using a measurement without illumination, and in deactivating the device (1) for a determined duration.
EP10305962A 2009-09-10 2010-09-08 Letterbox device with a device for detecting mail and detection method implemented Not-in-force EP2294951B1 (en)

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FR0956190A FR2949869B1 (en) 2009-09-10 2009-09-10 DEVICE AND METHOD FOR DETECTING OBJECTS IN A CONTAINER, IN PARTICULAR A MAIL IN A LETTER BOX

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128760A (en) * 1977-04-07 1978-12-05 Ncr Corporation Ambient light compensating circuit
US4794377A (en) 1986-05-14 1988-12-27 Alexander Benages Mail signal system
JPH09122004A (en) * 1995-10-30 1997-05-13 Union:Kk Mail box
US20020024438A1 (en) * 2000-08-28 2002-02-28 Roberson Orin A. Mail check method and system
US6362466B1 (en) * 1999-10-15 2002-03-26 Orest Fedan Optical object detection having circuitry applying logarithmic function to the average of filtered output
US6462659B1 (en) * 2000-07-03 2002-10-08 Kim M. Schuette Portable remote mail detection system
FR2852805A1 (en) 2003-03-28 2004-10-01 Richard Alain Jerome Hamon Mail reception informing device for e.g. handicapped or old people, has receiver placed at residence to receive signal from transmitter with contactors, to indicate reception of mail in mail box through diode or audio signal
US6879255B1 (en) * 2002-09-23 2005-04-12 Scott Daniel Jezierski Mailboxcam instantaneous remote mail viewing system
FR2900488A1 (en) 2006-04-26 2007-11-02 Jean Bernard Fromage DEVICE FOR SIGNALING TO A RECIPIENT THE RECEPTION OF AN ELEMENT

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128760A (en) * 1977-04-07 1978-12-05 Ncr Corporation Ambient light compensating circuit
US4794377A (en) 1986-05-14 1988-12-27 Alexander Benages Mail signal system
JPH09122004A (en) * 1995-10-30 1997-05-13 Union:Kk Mail box
US6362466B1 (en) * 1999-10-15 2002-03-26 Orest Fedan Optical object detection having circuitry applying logarithmic function to the average of filtered output
US6462659B1 (en) * 2000-07-03 2002-10-08 Kim M. Schuette Portable remote mail detection system
US20020024438A1 (en) * 2000-08-28 2002-02-28 Roberson Orin A. Mail check method and system
US6879255B1 (en) * 2002-09-23 2005-04-12 Scott Daniel Jezierski Mailboxcam instantaneous remote mail viewing system
FR2852805A1 (en) 2003-03-28 2004-10-01 Richard Alain Jerome Hamon Mail reception informing device for e.g. handicapped or old people, has receiver placed at residence to receive signal from transmitter with contactors, to indicate reception of mail in mail box through diode or audio signal
FR2900488A1 (en) 2006-04-26 2007-11-02 Jean Bernard Fromage DEVICE FOR SIGNALING TO A RECIPIENT THE RECEPTION OF AN ELEMENT

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FR2949869A1 (en) 2011-03-11
FR2949869B1 (en) 2011-12-09

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