GR3007350T3 - - Google Patents

Info

Publication number
GR3007350T3
GR3007350T3 GR930400547T GR930400547T GR3007350T3 GR 3007350 T3 GR3007350 T3 GR 3007350T3 GR 930400547 T GR930400547 T GR 930400547T GR 930400547 T GR930400547 T GR 930400547T GR 3007350 T3 GR3007350 T3 GR 3007350T3
Authority
GR
Greece
Prior art keywords
code
white
black
code reader
areas
Prior art date
Application number
GR930400547T
Other languages
English (en)
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 filed Critical
Publication of GR3007350T3 publication Critical patent/GR3007350T3/el

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
    • G06K19/06018—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking one-dimensional coding
    • G06K19/06028—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking one-dimensional coding using bar codes
GR930400547T 1987-04-22 1993-03-16 GR3007350T3 (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4118787A 1987-04-22 1987-04-22

Publications (1)

Publication Number Publication Date
GR3007350T3 true GR3007350T3 (el) 1993-07-30

Family

ID=21915210

Family Applications (1)

Application Number Title Priority Date Filing Date
GR930400547T GR3007350T3 (el) 1987-04-22 1993-03-16

Country Status (10)

Country Link
US (1) US4980544A (el)
EP (1) EP0287913B1 (el)
JP (1) JPS63282895A (el)
KR (1) KR960001100B1 (el)
AT (1) ATE86402T1 (el)
AU (2) AU603655B2 (el)
CA (1) CA1305257C (el)
DE (1) DE3878718T2 (el)
ES (1) ES2039493T3 (el)
GR (1) GR3007350T3 (el)

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US5621203A (en) * 1992-09-25 1997-04-15 Symbol Technologies Method and apparatus for reading two-dimensional bar code symbols with an elongated laser line
US5268564A (en) * 1990-08-03 1993-12-07 Symbol Technologies, Inc. Bar code scanner actuated by detection of scanner motion
US5742038A (en) * 1990-09-28 1998-04-21 Symbol Technologies, Inc. Beam shaping for optical scanners
US5369264A (en) * 1990-09-28 1994-11-29 Symbol Technologies, Inc. Reading bar codes with a wide laser beam
US5239167A (en) * 1991-04-30 1993-08-24 Ludwig Kipp Checkout system
US5859417A (en) * 1991-06-14 1999-01-12 Symbol Technologies, Inc. Optical scanners having dual surface optical elements for dual working ranges
US6948662B2 (en) 1991-07-25 2005-09-27 Symbol Technologies, Inc. Two-dimensional optical code scanner with scanning pattern having region of greater apparent brightness for assisting alignment of scanning pattern
US6382513B1 (en) 1991-07-25 2002-05-07 Symbol Technologies, Inc. Optical scanner with segmented collection mirror
JP2720641B2 (ja) * 1991-07-26 1998-03-04 松下電器産業株式会社 バーコードリーダ
JPH06215165A (ja) * 1993-01-20 1994-08-05 Matsushita Electric Ind Co Ltd デジタル出力イメージセンサおよびそれを用いたバーコードリーダ
US5389770A (en) * 1993-01-22 1995-02-14 Intermec Corporation Method and apparatus for decoding unresolved bar code profiles
US5486689A (en) * 1993-01-22 1996-01-23 Intermec Corporation Method and apparatus for decoding unresolved multi-width bar code symbology profiles
WO1994017491A1 (en) * 1993-01-27 1994-08-04 United Parcel Service Of America, Inc. Method and apparatus for thresholding images
US6321986B1 (en) * 1993-11-05 2001-11-27 Intermec Ip Corporation Robust machine-readable symbology and method and apparatus for printing and reading same
US6422476B1 (en) 1993-11-05 2002-07-23 Intermec Ip Corp. Method, apparatus and character set for encoding and decoding data characters in data carriers, such as RFID tags
US5514858A (en) * 1995-02-10 1996-05-07 Intermec Corporation Method and apparatus for decoding unresolved complex multi-width bar code symbology profiles
CA2580841C (en) 1995-03-17 2008-08-05 Symbol Technologies, Inc. System and method for reading optically encoded information
US5619027A (en) * 1995-05-04 1997-04-08 Intermec Corporation Single width bar code symbology with full character set utilizing robust start/stop characters and error detection scheme
US6029893A (en) * 1995-05-22 2000-02-29 Symbol Technologies, Inc. Optical scanner having a reflected light collector including holographic optical elements
US5539191A (en) * 1995-06-22 1996-07-23 Intermec Corporation Method and apparatus for decoding unresolved bar code profiles using edge finding circuitry
US6371375B1 (en) 1995-09-25 2002-04-16 Intermec Ip Corp. Method and apparatus for associating data with a wireless memory device
US5979763A (en) * 1995-10-13 1999-11-09 Metanetics Corporation Sub-pixel dataform reader with dynamic noise margins
US5777309A (en) * 1995-10-30 1998-07-07 Intermec Corporation Method and apparatus for locating and decoding machine-readable symbols
US5633488A (en) * 1995-12-19 1997-05-27 Webscan, Inc. Method and apparatus to enable the high speed evaluation of bar code indicia
US6036091A (en) * 1995-12-19 2000-03-14 Webscan, Inc. Method and apparatus supporting high speed evaluation of bar code indicia
JP3209108B2 (ja) * 1996-08-23 2001-09-17 松下電器産業株式会社 ２次元コード読み取り装置
US6631843B2 (en) * 2000-02-18 2003-10-14 Symbol Technologies, Inc. Composite code symbology
AU2001263225A1 (en) * 2000-05-30 2001-12-11 Digital:Convergence Corporation Unique bar code
AU2004319598C1 (en) * 2004-05-06 2010-07-15 United States Postal Service Scannable article having a signature section with alignment bars
US7686231B2 (en) * 2005-05-27 2010-03-30 Xerox Corporation Secure product authentication method and system
US8199689B2 (en) 2005-09-21 2012-06-12 Intermec Ip Corp. Stochastic communication protocol method and system for radio frequency identification (RFID) tags based on coalition formation, such as for tag-to-tag communication
US8120461B2 (en) 2006-04-03 2012-02-21 Intermec Ip Corp. Automatic data collection device, method and article
US8002173B2 (en) 2006-07-11 2011-08-23 Intermec Ip Corp. Automatic data collection device, method and article
US7546955B2 (en) * 2007-03-16 2009-06-16 Intermec Ip Corp. Systems, devices, and methods for reading machine-readable characters and human-readable characters
US8235292B2 (en) 2010-01-12 2012-08-07 Tmw Enterprises, Inc. System and method for verifying the connection status of couplable elements
JP2022072441A (ja) * 2020-10-29 2022-05-17 株式会社リコー カラーチャート、情報処理装置および情報処理システム

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3543007A (en) * 1962-10-10 1970-11-24 Westinghouse Air Brake Co Automatic car identification system
US3860794A (en) * 1971-12-13 1975-01-14 Bendix Corp System for converting modulated signals to squarewave outputs
US3862400A (en) * 1972-03-31 1975-01-21 Electronics Corp America Sensing system for bar patterns
US3849632A (en) * 1972-06-19 1974-11-19 Pitney Bowes Inc Reading apparatus for optical bar codes
US3909594A (en) * 1973-12-26 1975-09-30 Interface Mechanisms Inc Circuit for establishing a reference voltage in bar code readers
US3912943A (en) * 1974-08-09 1975-10-14 Ibm Video thresholder
US3949233A (en) * 1974-08-15 1976-04-06 Pitney-Bowes, Inc. Hand held bar code reader with constant linear amplifier output
JPS53128230A (en) * 1977-04-14 1978-11-09 Shinko Electric Co Ltd Method of reading bar code information in label reader
US4162408A (en) * 1977-10-17 1979-07-24 Bourns, Inc. Optical mark sense detector
US4335301A (en) * 1979-09-27 1982-06-15 Interface Mechanisms, Inc. Wave shaping circuit for electro-optical code readers
SE448921B (sv) * 1980-10-08 1987-03-23 Ibm Svenska Ab Videosignaldetektor for detektering av inkommande analoga videosignaler fran en optisk dokumentlesare och for avgivande av digitala utgangssignaler
US4517455A (en) * 1982-10-04 1985-05-14 Texas Instruments Incorporated Dual peak detector
JPS5979684A (ja) * 1982-10-28 1984-05-08 Casio Comput Co Ltd 信号変換回路
DE3302775A1 (de) * 1983-01-28 1984-08-02 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Schaltung zur auswertung des signals eines optoelektronischen lesestiftes, insbesondere fuer einen barcode
US4567361A (en) * 1983-05-23 1986-01-28 Gca Corporation Reticle bar code and method and apparatus for reading same
US4740675A (en) * 1986-04-10 1988-04-26 Hewlett-Packard Company Digital bar code slot reader with threshold comparison of the differentiated bar code signal

Also Published As

Publication number Publication date
US4980544A (en) 1990-12-25
JPS63282895A (ja) 1988-11-18
EP0287913A3 (en) 1989-08-02
AU603655B2 (en) 1990-11-22
ATE86402T1 (de) 1993-03-15
DE3878718T2 (de) 1993-09-02
DE3878718D1 (de) 1993-04-08
EP0287913B1 (en) 1993-03-03
AU1474588A (en) 1988-10-27
AU634346B2 (en) 1993-02-18
EP0287913A2 (en) 1988-10-26
CA1305257C (en) 1992-07-14
KR880013089A (ko) 1988-11-30
ES2039493T3 (es) 1993-10-01
KR960001100B1 (ko) 1996-01-18
AU7110691A (en) 1991-05-09

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