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WO1993015636A1 - Installation de lecture automatique - Google Patents

Installation de lecture automatique Download PDF

Info

Publication number
WO1993015636A1
WO1993015636A1 PCT/EP1992/002978 EP9202978W WO9315636A1 WO 1993015636 A1 WO1993015636 A1 WO 1993015636A1 EP 9202978 W EP9202978 W EP 9202978W WO 9315636 A1 WO9315636 A1 WO 9315636A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
self
scanning system
light beam
light grid
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.)
Ceased
Application number
PCT/EP1992/002978
Other languages
German (de)
English (en)
Inventor
Dominik Widmaier
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.)
Wincor Nixdorf International GmbH
Original Assignee
Siemens Nixdorf Informationssysteme AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Nixdorf Informationssysteme AG filed Critical Siemens Nixdorf Informationssysteme AG
Publication of WO1993015636A1 publication Critical patent/WO1993015636A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10861—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices sensing of data fields affixed to objects or articles, e.g. coded labels
    • G06K7/10871—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices sensing of data fields affixed to objects or articles, e.g. coded labels randomly oriented data-fields, code-marks therefore, e.g. concentric circles-code
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F9/00—Shop, bar, bank or like counters
    • A47F9/02—Paying counters
    • A47F9/04—Check-out counters, e.g. for self-service stores
    • A47F9/046—Arrangement of recording means in or on check-out counters
    • A47F9/047—Arrangement of recording means in or on check-out counters for recording self-service articles without cashier or assistant
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
    • G07G1/00—Cash registers
    • G07G1/0036—Checkout procedures
    • G07G1/0045—Checkout procedures with a code reader for reading of an identifying code of the article to be registered, e.g. barcode reader or radio-frequency identity [RFID] reader
    • G07G1/0054—Checkout procedures with a code reader for reading of an identifying code of the article to be registered, e.g. barcode reader or radio-frequency identity [RFID] reader with control of supplementary check-parameters, e.g. weight or number of articles

Definitions

  • the invention relates to a self-scanning system with two conveyor belts and a light grid with a horizontally extending light beam as a control element.
  • the common control systems of self-scanning systems work in such a way that a light curtain may be broken once if the corresponding article has been correctly recognized beforehand.
  • the light grid only provides the information, light grid interrupted, regardless of how many and at which point the light beams are interrupted. This makes it possible, after one of the beams has been interrupted, to place further articles on the conveyor belt without this being registered. Only if the light beam is interrupted again after it has been released again without another article being scanned is an incorrect operation detected.
  • the object of the present invention is to provide a control system in which the above-mentioned disadvantage is avoided.
  • the self-scanning system is designed in accordance with the invention in such a way that each light beam is evaluated individually.
  • the area determined can be used to determine whether the area delimited by the light grids is interrupted at several non-contiguous points. One can thus determine whether there are two hands in the controlled area. The point in time at which the light grid is interrupted can also be determined. The interrupted area can even be compared with the dimensions of the scanned article.
  • a Z axis also arises (three-coordinate light grid arrangement). This makes it possible to recognize and distinguish between a movement in or out of the space delimited by the light grid. If you now allow only one movement into the area delimited by the light grid and then one movement out for each article recognized by the scanner, you have a good control. The customer can no longer place unscanned articles on the belt with his second hand. However, if the customer places two articles on the belt at the same time instead of one article, this structure cannot yet be seen.
  • the cashier can be given an acoustic or optical signal.
  • a further control possibility also arises if the cashier delays the articles which have been scanned on a screen by the time it takes for the articles from being placed on the belt to them;
  • the cashier compares the items displayed on the screen, as well as their order, with the items that arrive on the tape one after the other.
  • the time in which the items arrive at the cashier with a delay is determined by the belt speed and the length of time that the belt switches on.
  • FIG. 1 shows a scanning system according to the invention with a light grid in the X and Y directions
  • Figure 2 shows a known scanning system with only one light grid in the Y direction.
  • the system consists of a lead belt 1 for the articles scanned by the scanner and a further belt 2 for the articles.
  • the Y light grid 4 is arranged behind the scanner 3, above which a customer display 5 and four further displays 6 for "scanner-free”, “scanner-occupied”, well scanned and poorly scanned are provided. Behind the ' Y-
  • Figure 1 shows the same design as the arrangement of Figure 2, but now the light grid consists of a 0 light grid in the Y direction and a further light grid in the X direction, i.e. now light beams are emitted in mutually perpendicular directions, whereby a flat coverage of the control area is achieved.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Conveyors (AREA)

Abstract

L'invention concerne une installation de lecture automatique comportant deux bandes transporteuses et une grille lumineuse, avec un faisceau lumineux horizontal comme organe de contrôle. Les installations de ce type présentent l'inconvénient que lorsque l'un des faisceaux a été interrompu, d'autres articles peuvent être placés sur la bande sans que cela puisse être enregistré. Afin de pallier cette insuffisance, l'invention prévoit d'évaluer chacun des faisceaux lumineux individuellement et de placer en outre la grille lumineuse dans un sens de rayonnement vertical ou horizontal.
PCT/EP1992/002978 1992-02-13 1992-12-22 Installation de lecture automatique Ceased WO1993015636A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4204296 1992-02-13
DEP4204296.8 1992-02-13

Publications (1)

Publication Number Publication Date
WO1993015636A1 true WO1993015636A1 (fr) 1993-08-19

Family

ID=6451624

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1992/002978 Ceased WO1993015636A1 (fr) 1992-02-13 1992-12-22 Installation de lecture automatique

Country Status (1)

Country Link
WO (1) WO1993015636A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2341172C2 (ru) * 2002-11-16 2008-12-20 Ванцль Металльваренфабрик Гмбх Устройство для использования в зоне расчета магазина самообслуживания

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2161631A (en) * 1984-07-09 1986-01-15 Checkrobot Inc System for security processing of retailed articles
EP0265560A1 (fr) * 1986-10-29 1988-05-04 Sergio Stagnaro Appareil et méthode pour détecter des quantités géométriques d'objets et pour les identifier automatiquement
WO1989006842A1 (fr) * 1988-01-19 1989-07-27 Breuil, S.A. Appareil de comptage d'objets defilant
EP0443407A1 (fr) * 1990-02-17 1991-08-28 Werner Potrafke Spezialfabrik Für Kassentische Und Förderanlagen Comptoir d'enregistrement à balayage automatique
EP0446929A2 (fr) * 1990-03-15 1991-09-18 Kabushiki Kaisha TEC Dispositif de caisse de sortie

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2161631A (en) * 1984-07-09 1986-01-15 Checkrobot Inc System for security processing of retailed articles
EP0265560A1 (fr) * 1986-10-29 1988-05-04 Sergio Stagnaro Appareil et méthode pour détecter des quantités géométriques d'objets et pour les identifier automatiquement
WO1989006842A1 (fr) * 1988-01-19 1989-07-27 Breuil, S.A. Appareil de comptage d'objets defilant
EP0443407A1 (fr) * 1990-02-17 1991-08-28 Werner Potrafke Spezialfabrik Für Kassentische Und Förderanlagen Comptoir d'enregistrement à balayage automatique
EP0446929A2 (fr) * 1990-03-15 1991-09-18 Kabushiki Kaisha TEC Dispositif de caisse de sortie

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2341172C2 (ru) * 2002-11-16 2008-12-20 Ванцль Металльваренфабрик Гмбх Устройство для использования в зоне расчета магазина самообслуживания

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