DE69428655D1 - Streifencodelesevorrichtung - Google Patents
StreifencodelesevorrichtungInfo
- Publication number
- DE69428655D1 DE69428655D1 DE69428655T DE69428655T DE69428655D1 DE 69428655 D1 DE69428655 D1 DE 69428655D1 DE 69428655 T DE69428655 T DE 69428655T DE 69428655 T DE69428655 T DE 69428655T DE 69428655 D1 DE69428655 D1 DE 69428655D1
- Authority
- DE
- Germany
- Prior art keywords
- bar code
- code reader
- reader
- bar
- code
- 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.)
- Expired - Lifetime
Links
Classifications
-
- 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
Landscapes
- 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)
- Character Input (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15363893A | 1993-11-17 | 1993-11-17 | |
US08/335,001 US6082621A (en) | 1992-04-02 | 1994-11-09 | Interface between threshold processing digitizer for bar code reader |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69428655D1 true DE69428655D1 (de) | 2001-11-22 |
DE69428655T2 DE69428655T2 (de) | 2002-06-20 |
Family
ID=26850725
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69428655T Expired - Lifetime DE69428655T2 (de) | 1993-11-17 | 1994-11-11 | Streifencodelesevorrichtung |
Country Status (3)
Country | Link |
---|---|
US (1) | US6082621A (de) |
EP (1) | EP0653721B1 (de) |
DE (1) | DE69428655T2 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6170749B1 (en) * | 1995-05-31 | 2001-01-09 | Symbol Technologies, Inc. | Method of scanning indicia using selective sampling |
DE69637397T2 (de) * | 1995-05-31 | 2009-01-02 | Symbol Technologies, Inc. | Optischer Barcode Abtaster |
US6422467B2 (en) * | 1995-12-18 | 2002-07-23 | Metrologic Instruments, Inc. | Reading system a variable pass-band |
US6419155B1 (en) * | 1998-10-29 | 2002-07-16 | Casio Computer Co., Ltd. | Laser beam scan type barcode reader and program recording mediums |
US6666377B1 (en) | 2000-07-18 | 2003-12-23 | Scott C. Harris | Bar code data entry device |
US8682077B1 (en) | 2000-11-28 | 2014-03-25 | Hand Held Products, Inc. | Method for omnidirectional processing of 2D images including recognizable characters |
US7203361B1 (en) | 2001-03-16 | 2007-04-10 | Hand Held Products, Inc. | Adaptive digitizer for optical reader |
JP2005341021A (ja) * | 2004-05-25 | 2005-12-08 | Matsushita Electric Ind Co Ltd | 輪郭強調処理装置 |
US7299985B2 (en) * | 2004-08-31 | 2007-11-27 | Symbol Technologies, Inc. | Transmitting enhanced scanner signals on a single channel |
US7093763B1 (en) | 2005-02-25 | 2006-08-22 | Symbol Technologies, Inc. | Laser scanner having analog digitizer with increased noise immunity |
US7354000B2 (en) * | 2005-05-05 | 2008-04-08 | Optoelectronics Co., Ltd. | Method and system for sensing a barcode |
US8047440B2 (en) * | 2005-05-26 | 2011-11-01 | Symbol Technologies, Inc. | Method and system for decoding a barcode |
US7852519B2 (en) | 2007-02-05 | 2010-12-14 | Hand Held Products, Inc. | Dual-tasking decoder for improved symbol reading |
JP2009080761A (ja) * | 2007-09-27 | 2009-04-16 | Sony Corp | 情報読み取り装置、および情報読み取り方法 |
US7609193B2 (en) * | 2007-12-14 | 2009-10-27 | Symbol Technologies, Inc. | Method and system for a configurable communications interface |
US8628015B2 (en) | 2008-10-31 | 2014-01-14 | Hand Held Products, Inc. | Indicia reading terminal including frame quality evaluation processing |
US7963445B2 (en) * | 2008-12-09 | 2011-06-21 | Symbol Technologies, Inc. | Arrangement for and method of suppressing electromagnetic radiation interference in an imaging reader |
US8587595B2 (en) | 2009-10-01 | 2013-11-19 | Hand Held Products, Inc. | Low power multi-core decoder system and method |
US9016576B2 (en) | 2012-05-21 | 2015-04-28 | Metrologic Instruments, Inc. | Laser scanning code symbol reading system providing improved control over the length and intensity characteristics of a laser scan line projected therefrom using laser source blanking control |
US9092682B2 (en) | 2012-05-25 | 2015-07-28 | Metrologic Instruments, Inc. | Laser scanning code symbol reading system employing programmable decode time-window filtering |
US11321551B2 (en) * | 2016-12-07 | 2022-05-03 | Meta Platforms, Inc. | Detecting a scan using on-device sensors |
Family Cites Families (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3796862A (en) * | 1971-09-27 | 1974-03-12 | Ncr | Bar code reader |
US3798458A (en) * | 1972-10-30 | 1974-03-19 | Ibm | Optical scanner including an aperture design for non-synchronous detection of bar codes |
US3832529A (en) * | 1973-05-07 | 1974-08-27 | Seiwa Seikosha Kk | Reading system for tags encoded with bars of different widths |
US3932840A (en) * | 1973-10-15 | 1976-01-13 | Taplin Business Machines Incorporated | Error detection and sequence maintaining system for bar-code readers |
US3892949A (en) * | 1974-04-22 | 1975-07-01 | Rca Corp | Circuit for determining the time of transitions in an alternating signal |
US4354101A (en) * | 1977-04-15 | 1982-10-12 | Msi Data Corporation | Method and apparatus for reading and decoding a high density linear bar code |
US4184179A (en) * | 1978-02-24 | 1980-01-15 | Cubic Western Data | Reproduction of binary signals from a recording medium that may be read at varying speeds |
US4160156A (en) * | 1978-05-04 | 1979-07-03 | Msi Data Corporation | Method and apparatus for reading bar coded data wherein the light source is periodically energized |
US4251798A (en) * | 1978-05-31 | 1981-02-17 | Symbol Technologies | Portable laser scanning arrangement for and method of evaluating and validating bar code symbols |
US4360798A (en) * | 1978-05-31 | 1982-11-23 | Symbol Technologies, Inc. | Portable laser scanning arrangement for and method of evaluating and validating bar code symbols |
US4387297B1 (en) * | 1980-02-29 | 1995-09-12 | Symbol Technologies Inc | Portable laser scanning system and scanning methods |
US4496831A (en) * | 1980-02-29 | 1985-01-29 | Symbol Technologies, Inc. | Portable laser scanning system and scanning methods |
AU6569380A (en) * | 1980-03-06 | 1981-09-10 | R.J. Reynolds Tobacco Company | Dynamic threshold detector |
US4369361A (en) * | 1980-03-25 | 1983-01-18 | Symbol Technologies, Inc. | Portable, stand-alone, desk-top laser scanning workstation for intelligent data acquisition terminal and method of scanning |
US4460120A (en) * | 1982-01-25 | 1984-07-17 | Symbol Technologies, Inc. | Narrow bodied, single- and twin-windowed portable laser scanning head for reading bar code symbols |
US4409470A (en) * | 1982-01-25 | 1983-10-11 | Symbol Technologies, Inc. | Narrow-bodied, single-and twin-windowed portable laser scanning head for reading bar code symbols |
US4758717A (en) * | 1982-01-25 | 1988-07-19 | Symbol Technologies, Inc. | Narrow-bodied, single-and twin-windowed portable laser scanning head for reading bar code symbols |
US4500776A (en) * | 1982-11-08 | 1985-02-19 | Vadim Laser | Method and apparatus for remotely reading and decoding bar codes |
NL8403323A (nl) * | 1984-11-02 | 1986-06-02 | Philips Nv | Leesinrichting voor staafkodes. |
EP0367300B1 (de) * | 1985-02-28 | 1992-07-22 | Symbol Technologies, Inc. | Tragbarer Abtastkopf mit Laserdiode |
JPS62107382A (ja) * | 1985-11-05 | 1987-05-18 | Fujitsu Ltd | バ−コ−ド認識方式 |
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 |
US4717818A (en) * | 1986-06-26 | 1988-01-05 | International Business Machines Corporation | Bar code label identification circuit |
US4709195A (en) * | 1986-09-12 | 1987-11-24 | Spectra-Physics, Inc. | Bar code scanner with DC brushless motor |
US4782220A (en) * | 1986-09-29 | 1988-11-01 | Mars, Incorporated | Method and apparatus for bar code data autodiscrimination |
US4798943A (en) * | 1986-09-30 | 1989-01-17 | Spectra-Physics, Inc. | Method and system for control of a bar code scanner threshold |
WO1988004456A1 (en) * | 1986-12-12 | 1988-06-16 | Metrologic Instruments, Inc. | Bar code reader with digitizer and sequencer |
US4808804A (en) * | 1987-01-28 | 1989-02-28 | Symbol Technologies, Inc. | Bar code symbol readers with variable spot size and/or working distance |
US4749879A (en) * | 1987-06-18 | 1988-06-07 | Spectra-Physics, Inc. | Signal transition detection method and system |
US4859840A (en) * | 1987-10-30 | 1989-08-22 | Alps Electric Co., Ltd. | Code reading apparatus |
US4855581A (en) * | 1988-06-17 | 1989-08-08 | Microscan Systems Incorporated | Decoding of barcodes by preprocessing scan data |
US5036183A (en) * | 1988-08-25 | 1991-07-30 | Alps Electric Co., Ltd. | Code reading device |
US4933538A (en) * | 1988-10-21 | 1990-06-12 | Symbol Technologies, Inc. | Scanning system with adjustable light output and/or scanning angle |
US4896026A (en) * | 1988-10-31 | 1990-01-23 | Symbol Technologies, Inc. | Laser diode scanner with improved shock mounting |
US5059773A (en) * | 1988-11-16 | 1991-10-22 | The Japan Steel Works, Ltd. | Bar code reader signal processing method and device |
JPH02141889A (ja) * | 1988-11-22 | 1990-05-31 | Eastman Kodatsuku Japan Kk | バーコード読取方法 |
US5073954A (en) * | 1989-02-28 | 1991-12-17 | Electrocom Automation, Inc. | Bar code location and recognition processing system |
JPH07101427B2 (ja) * | 1989-03-29 | 1995-11-01 | 富士通株式会社 | バーコード読取り方法及びその装置 |
US5010242A (en) * | 1989-05-08 | 1991-04-23 | Mars Incorporated | Method and apparatus for variable speed scanning of bar codes |
US5029183A (en) * | 1989-06-29 | 1991-07-02 | Symbol Technologies, Inc. | Packet data communication network |
US4992717A (en) * | 1989-07-19 | 1991-02-12 | Symbol Technologies, Inc. | Stepper motor drive circuit |
US5004916A (en) * | 1989-07-28 | 1991-04-02 | Ncr Corporation | Scanning system having automatic laser shutdown upon detection of defective scanning element motion |
US5023818A (en) * | 1989-09-21 | 1991-06-11 | Ncr Corporation | Laser scanner safety apparatus and method |
JP2729088B2 (ja) * | 1989-09-22 | 1998-03-18 | 富士通株式会社 | バーコードリーダ処理装置 |
US5140146A (en) * | 1989-11-20 | 1992-08-18 | Symbol Technologies, Inc. | Bar code symbol reader with modulation enhancement |
US5260553A (en) * | 1990-09-17 | 1993-11-09 | Metrologic Instruments, Inc. | Automatic hand-supportable laser bar code symbol scanner and method of reading bar code symbols using the same |
US5336874A (en) * | 1991-02-22 | 1994-08-09 | Alps Electric Co., Ltd. | Bar code reader with error detection and decode control |
US5302813A (en) * | 1992-04-02 | 1994-04-12 | Symbol Technologies, Inc. | Multi-bit digitizer |
US5457309A (en) * | 1994-03-18 | 1995-10-10 | Hand Held Products | Predictive bar code decoding system and method |
-
1994
- 1994-11-09 US US08/335,001 patent/US6082621A/en not_active Expired - Lifetime
- 1994-11-11 EP EP94117865A patent/EP0653721B1/de not_active Expired - Lifetime
- 1994-11-11 DE DE69428655T patent/DE69428655T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0653721B1 (de) | 2001-10-17 |
EP0653721A3 (de) | 1996-02-28 |
DE69428655T2 (de) | 2002-06-20 |
US6082621A (en) | 2000-07-04 |
EP0653721A2 (de) | 1995-05-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |