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WO2001022348A1 - Lecteur de code - Google Patents

Lecteur de code Download PDF

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Publication number
WO2001022348A1
WO2001022348A1 PCT/JP2000/006160 JP0006160W WO0122348A1 WO 2001022348 A1 WO2001022348 A1 WO 2001022348A1 JP 0006160 W JP0006160 W JP 0006160W WO 0122348 A1 WO0122348 A1 WO 0122348A1
Authority
WO
WIPO (PCT)
Prior art keywords
reading
light source
code
code reader
lens
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/JP2000/006160
Other languages
English (en)
Japanese (ja)
Inventor
Atsutoshi Okamoto
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.)
ADS SYSTEM CONSULTANT
C ITOH FINE CHEMICAL Co Ltd
Original Assignee
ADS SYSTEM CONSULTANT
C ITOH FINE CHEMICAL Co Ltd
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 ADS SYSTEM CONSULTANT, C ITOH FINE CHEMICAL Co Ltd filed Critical ADS SYSTEM CONSULTANT
Publication of WO2001022348A1 publication Critical patent/WO2001022348A1/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
    • G06K7/10831—Arrangement of optical elements, e.g. lenses, mirrors, prisms

Definitions

  • the present invention also relates to a code reader that reads a code (for example, a two-dimensional code) marked (dotted) on a metal or the like. It is. Background art
  • dots that have been marked by this point mapping have a small amount of information and can be visually recognized. .
  • the point-by-point marking is more and more fine and minute with the progress of precision machining technology.
  • a light source body, a lens, and a sensor are arranged above a reading relo, and a code formed by a dot on a surface of metal or the like is provided.
  • a code reader for reading wherein the light source body is arranged corresponding to the inclination and opening angle of the dot.
  • the second feature is that a cord is characterized in that the light source is installed in multiple stages from the reading opening to the lens.
  • a code reader characterized by arranging a plurality of light sources on the inner periphery of the reading relo, and fourthly, a diffusion plate is provided on the inner surface of the light source.
  • the code reader is characterized in that the dot is formed in the shape of a quadrangular pyramid.
  • a wide dot interval is formed, and the image at the sensor is displayed.
  • the present invention is directed to a code for forming a light source, a lens, and a sensor in an upper portion of a reading opening, and forming the light source body, a lens, and a sensor on a surface of a metal or the like with a dot.
  • the present invention provides a code reader which is characterized in that a visible part is provided at the upper part of the reading port, and the eighth is a reading reader.
  • a code reader that arranges a light source body, a lens, and a sensor in the upper part of b, and reads the code formed by a dot on the surface of metal or the like.
  • a ninth aspect of the present invention provides a code reader characterized in that a light source is installed inside a reading opening cylinder, and this cylinder is slidably attached to the main body. Has a light source, a lens, and a sensor arranged in the upper part of the reading relo.
  • This is a code reader for reading the above code, in which a light source is installed in the cylinder of the reading port, and this light source is set to be inclined with respect to the edge of the reading port.
  • the present invention also provides, in a tenth aspect, a structure in which an upper portion of a reading port is provided It is a code reader that arranges light sources, lenses, and sensors, and reads the code formed with a dot on the surface of metal or the like, and is inside the cylinder of the reading relo.
  • a light source is installed on the surface of the tube, two light sources are placed in the cylinder, and the core is located at the position where the two light beams intersect on the surface to be read.
  • the present invention provides a code reader characterized in that it can be read with high precision by moving the reader, and firstly, the light source is provided with a light source.
  • a code reader that makes bright light green and the marker light red or yellow, and the 12th is that the light from the light source body is yellow or Provide a code reader that turns the light green.
  • the present invention is a code reader for reading a subject code by arranging a light source, a lens, and a sensor above the reading relo.
  • the present invention provides a code reader characterized in that a light source is read and installed in a plurality of stages from a local lens.
  • the present invention is a code reader for reading a subject code by arranging a light source body, a lens, and a sensor above the reading relo. And a code reader characterized by arranging a plurality of light sources on the inner periphery of the reading opening.
  • the present invention is a code reader for reading a subject code by arranging a light source, a lens, and a sensor above the reading relo. And a code reader characterized in that a diffusion plate is installed on the inner surface of the light source body.
  • the 16th aspect of the present invention is to provide a light source, a lens, and a sensor arranged above a reading relo to read a subject code.
  • a code reader characterized in that a visible part is provided above a reading opening as a reader.
  • the present invention is a code reader for reading a subject code by arranging a light source lens and a sensor above the reading opening.
  • a code reader characterized in that a light source is installed in a cylinder of a reading opening, and the cylinder is slidably attached to a main body.
  • the present invention is a code reader for reading a subject code by arranging a light source body, a lens, and a sensor above a reading relo.
  • a code reader characterized in that a light source body is installed in a cylindrical body of a reading opening, and the light source body is inclined with respect to the edge of the reading opening.
  • the present invention is a code reader for reading a subject code by arranging a light source body, a lens, and a sensor above the reading relo. Then, a light source is set in the cylinder of the reading port, two marker light sources are set in the cylinder, and the reading code is set on the target surface with two markers.
  • a code reader characterized in that the code reader is moved to a position where the car light intersects to enable reading with high accuracy.
  • the 20th is a code reader that sets the illumination light from the light source body to green and the marker light to red or yellow, and the 21st is the light source.
  • the present invention relates to a reading / reading device which is any one of the aforementioned code readers and has a light source, a lens and a sensor.
  • the present invention provides a code reader characterized in that the light reading unit is rotatably connected to the taking unit and the other parts.
  • one of the coder readers one of the coder readers described above, which is characterized by having a display section for data or the like, is described in the twenty-fourth. Any of the above-mentioned code readers, wherein a portion which is separated from a light source, a lens and an illumination reading section having a sensor can be held.
  • the code reader is characterized in that it constitutes a hand-type code reader, and in the 25th, it can be held by hand.
  • the code section is characterized by a display section for data and the like and an operation section. Provide da.
  • various types of light sources can be easily provided by installing the light source in multiple stages from the reading opening to the slit. It is possible to cope with the inclination and the opening angle of the dot.
  • the light source can be uniformly illuminated by arranging a plurality of light sources on the inner periphery of the reading opening. Reliable reading becomes possible.
  • a diffuser is installed on the inner surface of the light source body, and hairline processing is performed. Even if it is a dot on metal, you can erase the hairline and read it.
  • the code reader when the dot is formed into a pyramid, the discrimination between white and black due to the reflected light at the dot is more reliable. I can do it.
  • the code reader uses a two-dimensional code formed by a dot to form a wide dot interval. Therefore, even if a dot is formed on soft metal, it is possible to create a dot (code) without affecting other parts. . Then, if the image of the dot on the sensor is corrected to the widened interval ratio, the code under the same conditions as before is obtained.
  • a visible portion is provided at the upper part of the reading port, so that when reading the code, the position of the code can be determined. The position can be easily corrected.
  • a light source is installed in a tube of the reading port, and the tube is slidably movable with respect to the main body. The position of the light source can be easily changed because it is attached.
  • the light source is installed in the cylinder of the reading port, and the light source is inclined with respect to the edge of the reading port.
  • the one-dimensional code (or two-dimensional code) can be read at a distance (h) from the edge 5b of the reading port 5 because it is installed at And can be done.
  • the light source By irradiating the marker with a single light, reading with higher accuracy is possible, and the first and second inventions can be read. According to the selective use of light colors, even in long-term readings, the reading is more stable and does not cause any disruption or fatigue of the visual sensing nervous system. Work is possible.
  • an accurate code reading can be performed by a portable, handy type convenient code reader. It can be implemented as a leader.
  • FIG. 1 is a schematic cross-sectional view illustrating the configuration of a code reader.
  • Fig. 2 (A) is a conceptual diagram of a dot and a code reader formed on a metal surface
  • Fig. 2 (B) is an enlarged view of the dot part.
  • Fig. 4 (A) shows a two-dimensional code based on the conventional standard
  • Fig. 4 (B) shows a two-dimensional code that has a wider dot interval than the conventional one
  • Figure 4 (C) shows the enlarged and modified 2D code It is a diagram.
  • Fig. 5 (A) is a schematic view of a metal hairline
  • Fig. 5 (B) is a video image of the sensor.
  • FIGS. 7 (A), (B) and (C) are cross-sectional views of various code readers.
  • FIG. 8 (A) is a diagram showing a dot created by a cone cone punch
  • FIG. 8 (B) is a diagram showing a dot created by a pyramid punch.
  • FIG. 9 is a diagram exemplifying a configuration of a handheld type coder.
  • FIGS. 11 (A) and (B) are side and front views illustrating the illumination reading method using the light source body (2 B) in FIG. 9. .
  • FIG. 12 is a side view showing an example in which the illumination reading unit is rotatable. Best mode for carrying out the invention
  • Fig. 1 (A) is a cross-sectional view of the main part of the code reader showing a well-known concept.
  • the cross-section of the cylinder of the reading port 5 is circular or angular.
  • lighting equipment is provided along the inner circumference.
  • a plurality of light sources 2 are arranged at positions that provide an illumination angle ( ⁇ ) described in detail below.
  • a lens which may be constituted by a plurality of lens groups
  • G (light-in / focus-out mechanism) 6 and sensor (CCD) 4 are arranged.
  • the reading relo 5 is applied to a code formed by a dot on a plane of metal or the like through a point-force, which will be described in detail below, the light source is read. An image is obtained on a sensor (CCD) 4 based on the reflected light of the body 2.
  • CCD sensor
  • the code on the surface of the metal etc. is a point marker (the punch is set via an NC control device and the dot is marked on the metal etc.). As a set of a plurality of dots through the device.
  • the punch has the power of a cone and a pyramid with a spire at the tip.
  • FIG. 2 which shows the concept of the relationship between the light source 2 and the sensor (CCD) 4, the dot formed using a conical punch. .
  • FIG. 2 (A) is a conceptual diagram of the whole, and FIG. 2 (B) is an enlarged view of a dot portion.
  • the dot formed by a punch on the metal surface is formed in an inclined concave portion, is almost semi-mirrored, and has a reflection angle of incident light from the light source body 2.
  • the angle of incidence ⁇ of the light source body Under the condition that the light enters the lens 3 vertically, the angle of incidence ⁇ of the light source body, the angle of the open / closed angle of the bunch r , the angle of the inclined dot / 3 / 2. +90);
  • the vertical line (A), the angle of incidence (S) and the angle of reflection (5) with respect to the dot inclination of 3 Define .
  • the reflected light from the dot enters the lens 4 perpendicularly, so the dot is clear to the sensor. It becomes an image (white).
  • other parts that have not been processed are incident on the sensor 4 at a different angle of incidence from the normal, and are not detected by the sensor 4 and are not detected by the sensor 4. ).
  • the presence or absence of the dot on the metal surface can be identified as a black and white code.
  • the presence or absence of a dot is identified by white (a place where a dot is not created) and black (a place where a dot is created).
  • the area ratio of 1: 1 is desirable.
  • the tip of the cone or pyramid punch is a spire, as shown in FIG. 2 above, the reflected light is projected by the sensor 4, so that The discriminating property of black and white is good, and a quadrangular pyramid is more desirable than a circular cone.
  • the cord is dropped on a soft metal such as an aluminum alloy by a point machine with a dot diameter d.
  • a soft metal such as an aluminum alloy
  • the interval s between the dots is 0.3 mm. It needs to be created below. When created under these conditions, the adjacent part of the dot was distorted, and although it was a place (white) where a punch did not occur, it was punched ( (Black).
  • This code satisfies the condition that it is the reference code (dots on the X-axis and Y-axis are continuous) shown in Fig. 4 (A). Since it is not, it cannot be deciphered with a conventional two-dimensional code reader.
  • This modified sensor image shows the conventional two-dimensional image because the (X-axis, Y-axis) is continuous and satisfies the conventional standard. Can be decrypted with a code reader.
  • a code is created with a point manager on a metal that has been subjected to a hairline treatment, and the code is created.
  • the image is displayed together with the hairline code corresponding to the position of the light source 2 shown in FIG. 5 (A). It is done. As a result, the code processing becomes difficult and misreading occurs.
  • FIG. 6 is a cross-sectional view showing the concept
  • FIG. 6B is a view taken in the direction of arrows A to A.
  • This code reader differs from the lighting equipment in the configuration shown in FIG. 1 in the configuration shown in FIG. 1 in that the reader has a different shape from the reader 3 to the lens 3.
  • a plurality of light sources 2a, 2b, and 2c are provided along the inner circumference of a circular or square hard shape). The number of light sources 2 per stage is appropriately selected in consideration of the amount of irradiation and the like.
  • a diffusion plate 20 is provided on the inner surface of the light source body 2 in order to erase the hair line.
  • the diffusion plate 20 is made of a light-diffusing resin plate or the like, and the hair lines are imaged on the sensor 4. It spreads to an extent that is not done.
  • the hairline image is not displayed on the sensor 4 so that the image can be easily stored. You can read the code.
  • the code reader shown in FIG. 6 is provided with a plurality of light sources 2a to 2c. By selecting one of these light sources, reading is performed. It is possible to easily change the illuminating angle ( ⁇ shown in FIG. 2) toward the opening 5 so that various types of punches forming the dot can be easily changed. Force corresponding to the inclination angle r of
  • the code reader shown in FIGS. 1 and 6 described above is composed of a light source (illumination equipment) and a lens, etc., and the reading device is formed as a single unit. Each of them may be formed separately, and further, although the above description has been made on the two-dimensional code, it is not limited to the one-dimensional code. It's no good.
  • FIG. 7 is a cross-sectional view of various code readers, and FIG. 7 (A) has the same configuration as the code reader shown in FIG. However, with the focal length of the lens 3 being different, a long main body 29 is provided above the reading opening 5, and the whole or a part of the main body 29 is placed. A visible part (formed with a transparent body or formed with an inkstone window) 3 ⁇ Installed.
  • the edge 5 b of the reading port 5 hits the one-dimensional code (or the two-dimensional code)
  • the position of the code is obtained. It is easy to correct the position. Therefore, as long as this effect is exerted, it can be applied to any of the code readers.
  • the visual part 30 may be formed.
  • the main body 29 is extended to the edge 5b of the reading relo 5 and the cylinder 5a of the reading relo 5 is slidably mounted. Together with this structure, the diffusion plate 20 of the light source 2 is provided below the cylindrical body 5a.
  • the code reader can easily change the vertical position of the light source 2 with respect to the edge 5b of the reading relo 5.
  • the force applied to the edge 5 b of the reading relo 5 is less than the one-dimensional core. (Or two-dimensional code), but it does not affect the diffuser plate 20.
  • the diffusion plate 20 in the code reader shown in FIG. 5B has no effect of preventing the diffusion plate 20 from being stained. ) May have the same structure.
  • FIG. 7F differs from FIG. 7A in that the light source 2 installed in the reading relo 5 is inclined with respect to the edge 5 b of the reading opening 5. It is a structure.
  • the light source body 2 when the light source body 2 is installed in an inclined manner, as shown in FIG. 2 (B), the light source body 2 is positioned in the inclined recessed part with respect to the dot formed in the inclined recessed part.
  • the angle of incidence ⁇ from body 2 is different.
  • the one-dimensional code (or two-dimensional code) is read at a position separated (h) from the upper part 5b of the reading opening 5. It can be applied to such a use and can be easily applied.
  • FIG. 8 shows a two-dimensional code in the case where a dot is formed by a cone-shaped punch and a pyramid-shaped punch.
  • the black-and-white identification is performed.
  • the quadrangular pyramid is more preferable than the circular pyramid, but in this case, the pyramid is pinched even with respect to the reference code (X-axis, Y-axis). It is preferred to use and explain this.
  • Fig. 8 (A) is a cone-shaped punch, with a dot diameter d (0.3 mm) and a dot interval s of ⁇ .5 mm
  • Fig. 8 (B) a pyramid. It is a punch with a square dot t (0.3 mm) and a dot interval s of 0.5 mm.
  • the search line in the reference code (X-axis) created by the punch of the cone is “!”, And the space between the dots is ⁇ for L2. 1. Different from ⁇ 2.
  • the dot is The space between them is theoretically the same, with ⁇ 5.
  • the pyramid punch whose dot and dot blanks 5 are the same within the tolerance is Reference codes (X axis, ⁇ axis) can be easily found.
  • the high accuracy is achieved by incorporating two marker light sources into a code reader. Code reading can be realized. The optimal distance between the code reader and the object to be read is set at one point on the surface to be read by the two marker lights illuminated by the marker light sources. Set the distance so that they intersect. In other words, when using the code reader, hold the code reader at the position where the two markers cross each other on the surface to be read. As a result, reading with high accuracy is possible.
  • a marker light source When a marker light source is installed, it is illuminated by the illumination light illuminated by the light source that constitutes the code reader and by the marker light source.
  • the color of the marker light is arbitrary, but for example, the illumination light is red and the marker light is green, or conversely, the illumination light is green and the marker light is green. Making the light red is preferred because it makes it easier to separate the light from the light.
  • the illumination light and marker light are pulsed, use the red light for the illumination light and marker light for a long time. Are reported to be less favorable for the mental effect of the user's vision, for example, if the light is yellow, mascara, etc. It is preferred that the light be green, or conversely that the illuminating light be green and the marker light be yellow.
  • the code reader provided by the invention of the present application, that is, the light source section, the laser section above the reading port.
  • This is a code reader with a sensor and a sensor, as described above.
  • the light source should be installed in multiple stages from the reading opening to the lens.
  • a light source must be installed inside the reading opening cylinder, and this cylinder should be slidably attached to the main body.
  • a light source shall be installed in the cylinder of the reading port, and this light source shall be installed at an angle to the edge of the reading port.
  • a code reader that combines at least one of the requirements, or a combination of two or more of these requirements, depends on a dot formed by a punch or the like. Rather than the code, the code printed on paper as in the past, and the surface of various materials remarked by laser processing. It will also be used effectively for reading the code.
  • the surface etching by laser or the reforming reaction of the surface by laser irradiation is used. Consideration is given to, for example, a material that has been subjected to a reforming reaction on a reactive thin film, for example.
  • the main body (29) serving as a reading unit includes a light source (2 A) such as an LED illuminator for irradiating light for reading.
  • a light source (2 A) such as an LED illuminator for irradiating light for reading.
  • Either one or both of the light sources (2B) are provided with a lens (3) and a sensor (4), and the reading ⁇ (5 ), The light of the light source (2A) (2B) is illuminated on the code as the object, and the reflected light is transmitted through the lens (3) to the sensor (4). Is detected.
  • the hand-held part has a built-in code reading circuit (7), a sensor driver (8), and the like, and also has a built-in surface.
  • (10) is set.
  • the operation unit (9) the operation method of the code reader and the data processing by the push button, the ten key method, the pen input method, etc.
  • This hand-held handheld code reader is a portable, albeit with a reading function that works well for the invention of this application. It has excellent operability and features.
  • the light source body (2A) When the light source body (2A) is used, reading is performed by the illumination method shown in FIG. 10, similar to FIGS. 1, 6, and 7.
  • the light source (2B) when the light source (2B) is used, as shown in Fig. 1 "!, The light from the light source (2B) is reflected by the reflector (11). After being reflected, the cord is radiated to the cord as indirectly illuminating light.In this case, the illuminating light is Irradiation.
  • the lighting method using the light source (2 A) and the light source (depending on the type and characteristics of the cord).
  • the vertical lighting method according to 2B) will be switched and adopted as appropriate.
  • FIG. 12 In a hand-held handheld type code reader, as shown in FIG. 12, for example, as shown in FIG. (A 1) provided with a data processing unit (including a circuit and an operation unit) (12) and an illumination unit having a light source unit
  • the light reading section (A2) is a coupling structure that is rotatable, for example, rotatable to an angle of about 90 degrees.
  • an illumination reading unit is attached to the marking code.
  • (A 2) is vertically applied, and good reading is possible. In this way, the handling card of the codec is good.
  • the distance between the illumination unit (13) and the sensor unit (14) is set in a code reader that enables the illumination reading unit (A2) to rotate. It is considered that it is possible to have a certain kind of zoom function. This is because, depending on the method of marking, it may be better for the image to be blurred. Even if the image is blurred, the black and white image will not be blurred by the binarization. Possibility of industrial use
  • the code reader according to the first aspect of the present invention has a light source that is almost half mirror-reflected by arranging the light source body with respect to the inclined opening angle of the dot. Can also be read.
  • the code reader according to the second invention is easily provided with various types of light sources by installing the light source in multiple stages from the reading opening to the slit. It can deal with the tilted light angle of the dot.
  • the code reader according to the third aspect of the present invention can accurately illuminate the code uniformly by arranging a plurality of light sources on the inner periphery of the reading port. Reading becomes possible.
  • the code reader of the fourth invention has a diffuser installed on the inner surface of the light source body, and is made of a metal which has been subjected to a hairline treatment. Even if it is a dot, the hairline can be erased and read.
  • the code reader of the fifth invention forms the dot into a pyramid, the discrimination between white and black by the reflected light can be made more reliably.
  • the code reader of the sixth invention enables the formation of a dot (code) on a soft metal, and adds to the conventional code reader. This can be done with code processing.
  • the code reader of the seventh invention has a visible part at the top of the reading opening, so when reading the code, the position of the code can be determined. The position can be easily corrected.
  • a light source is installed in a cylinder of a reading port, and the cylinder slides with respect to the main body. Since it is mounted as possible, the position of the light source body can be easily changed.
  • a light source is installed in a cylinder of a reading port, and the light source is set to be inclined with respect to an edge of the reading port.
  • the one-dimensional code (or two-dimensional code) can be read at a position spaced (h) away from the edge 5b of the reading relo 5 because it is closed. .
  • the code reader of the tenth invention it is possible to read with higher accuracy by irradiating the marker light from the marker light source.
  • the first and second inventions according to the first and second inventions, it is possible that even in long-term reading, it is possible to use the selective use of light colors. It is possible to perform a stable ⁇ reading operation that does not cause confusion or fatigue in the visual sensing nervous system.
  • the code reader of the thirteenth to twenty-first inventions it is not limited to the case of a code formed by a dot on the surface of a metal or the like as described above.
  • a code printed on paper or a code formed by laser processing accurate and accurate code reading can be performed in the same manner as described above. .

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  • 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)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Input (AREA)

Abstract

Un lecteur de code comprend une source de lumière, une lentille et un détecteur disposés au-dessus d'un port de lecture destinés à lire des points formés sur un métal ou analogue, la source de lumière étant disposée de manière correspondante à l'angle d'ouverture d'inclinaison des points afin de permettre au lecteur de lire un code (par exemple un code bidimensionnel) marqué (ou pointillé) sur du métal ou analogue.
PCT/JP2000/006160 1999-09-22 2000-09-08 Lecteur de code Ceased WO2001022348A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP26836699 1999-09-22
JP11/268366 1999-09-22
JP11/337582 1999-11-29
JP33758299A JP2001160115A (ja) 1999-09-22 1999-11-29 コードリーダ

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WO2001022348A1 true WO2001022348A1 (fr) 2001-03-29

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PCT/JP2000/006160 Ceased WO2001022348A1 (fr) 1999-09-22 2000-09-08 Lecteur de code

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WO (1) WO2001022348A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
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US7614545B2 (en) 2003-03-24 2009-11-10 Novo Nordisk A/S Electronic marking of a medication cartridge
US7621456B2 (en) 2000-08-10 2009-11-24 Novo Nordisk A/S Support for a cartridge for transferring an electronically readable item of information from the cartridge to an electronic circuit
US8197449B2 (en) 2005-05-10 2012-06-12 Novo Nordisk A/S Injection device comprising an optical sensor
US8994382B2 (en) 2006-04-12 2015-03-31 Novo Nordisk A/S Absolute position determination of movably mounted member in medication delivery device
US9950117B2 (en) 2009-02-13 2018-04-24 Novo Nordisk A/S Medical device and cartridge

Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
JP4989568B2 (ja) * 2008-06-26 2012-08-01 住友金属工業株式会社 二次元コード読取装置、二次元コード読取方法、中心軸に直交する断面が略円形の部材の製造履歴情報管理方法、及び、該管理方法を用いた前記部材の製造方法

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JPH05120462A (ja) * 1991-10-25 1993-05-18 Olympus Optical Co Ltd ハンドスキヤナ
JPH0575855U (ja) * 1992-03-11 1993-10-15 勝弘 白畑 バーコードリーダ内蔵型携帯用ターミナル装置
JPH062464U (ja) * 1992-05-28 1994-01-14 日本電気精器株式会社 バーコードリーダの投光装置
JPH10261059A (ja) * 1992-09-28 1998-09-29 Olympus Optical Co Ltd ドットコード
JPH06139393A (ja) * 1992-10-30 1994-05-20 Opt Kk 凹凸コード判読装置
JPH0793463A (ja) * 1993-09-28 1995-04-07 Tec Corp シンボル読取装置
JPH08315062A (ja) * 1995-05-15 1996-11-29 Tec Corp ２次元シンボル読取装置

Cited By (7)

* Cited by examiner, † Cited by third party
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US7621456B2 (en) 2000-08-10 2009-11-24 Novo Nordisk A/S Support for a cartridge for transferring an electronically readable item of information from the cartridge to an electronic circuit
US7614545B2 (en) 2003-03-24 2009-11-10 Novo Nordisk A/S Electronic marking of a medication cartridge
US8197449B2 (en) 2005-05-10 2012-06-12 Novo Nordisk A/S Injection device comprising an optical sensor
US8771238B2 (en) 2005-05-10 2014-07-08 Novo Nordisk A/S Injection device comprising an optical sensor
US9522238B2 (en) 2005-05-10 2016-12-20 Novo Nordisk A/S Injection device comprising an optical sensor
US8994382B2 (en) 2006-04-12 2015-03-31 Novo Nordisk A/S Absolute position determination of movably mounted member in medication delivery device
US9950117B2 (en) 2009-02-13 2018-04-24 Novo Nordisk A/S Medical device and cartridge

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