JP2007534062A - 線形自動利得制御(agc)、変調伝達関数検出器、および選択可能な雑音フィルタを有するバーコード・スキャナ - Google Patents
線形自動利得制御(agc)、変調伝達関数検出器、および選択可能な雑音フィルタを有するバーコード・スキャナ Download PDFInfo
- Publication number
- JP2007534062A JP2007534062A JP2007508380A JP2007508380A JP2007534062A JP 2007534062 A JP2007534062 A JP 2007534062A JP 2007508380 A JP2007508380 A JP 2007508380A JP 2007508380 A JP2007508380 A JP 2007508380A JP 2007534062 A JP2007534062 A JP 2007534062A
- Authority
- JP
- Japan
- Prior art keywords
- analog signal
- frequency portion
- gain element
- frequency
- amplitude
- 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.)
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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
-
- 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
- G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Artificial Intelligence (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Image Input (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/825,944 US7216811B2 (en) | 2004-04-16 | 2004-04-16 | Barcode scanner with linear automatic gain control (AGC), modulation transfer function detector, and selectable noise filter |
| PCT/US2005/011226 WO2005106768A2 (en) | 2004-04-16 | 2005-04-04 | Barcode scanner with linear automatic gain control (agc), modulation transfer function detector, and selectable noise filter |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010159473A Division JP2010267293A (ja) | 2004-04-16 | 2010-07-14 | バーコード・スキャナにおける信号調整方法および装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007534062A true JP2007534062A (ja) | 2007-11-22 |
| JP2007534062A5 JP2007534062A5 (https=) | 2008-05-22 |
Family
ID=35095275
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007508380A Pending JP2007534062A (ja) | 2004-04-16 | 2005-04-04 | 線形自動利得制御(agc)、変調伝達関数検出器、および選択可能な雑音フィルタを有するバーコード・スキャナ |
| JP2010159473A Pending JP2010267293A (ja) | 2004-04-16 | 2010-07-14 | バーコード・スキャナにおける信号調整方法および装置 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010159473A Pending JP2010267293A (ja) | 2004-04-16 | 2010-07-14 | バーコード・スキャナにおける信号調整方法および装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (4) | US7216811B2 (https=) |
| EP (2) | EP2112618B1 (https=) |
| JP (2) | JP2007534062A (https=) |
| KR (2) | KR101107033B1 (https=) |
| CN (3) | CN101645132B (https=) |
| WO (1) | WO2005106768A2 (https=) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7216811B2 (en) * | 2004-04-16 | 2007-05-15 | Microscan Systems Incorporated | Barcode scanner with linear automatic gain control (AGC), modulation transfer function detector, and selectable noise filter |
| US8136721B2 (en) * | 2006-05-12 | 2012-03-20 | International Business Machines Corporation | Enhanced check code line image capture for improved OCR |
| US8820645B2 (en) * | 2007-09-28 | 2014-09-02 | Symbol Technologies, Inc. | Method and system for optimizing system settings of a laser scanner control system |
| US20100219246A1 (en) * | 2007-11-08 | 2010-09-02 | Optoelectronics Co. Ltd. | Signal processing for light beam sensing |
| EP2218034A4 (en) * | 2007-11-08 | 2011-01-26 | Optoelectronics Co Ltd | SIGNAL PROCESSING FOR DETECTION OF LIGHT BEAMS |
| US8622302B2 (en) | 2009-03-17 | 2014-01-07 | Datalogic ADC, Inc. | Systems and methods for compensating for fixed pattern noise |
| US8950678B2 (en) | 2010-11-17 | 2015-02-10 | Hand Held Products, Inc. | Barcode reader with edge detection enhancement |
| US8983833B2 (en) * | 2011-01-24 | 2015-03-17 | Continental Automotive Systems, Inc. | Method and apparatus for masking wind noise |
| DE102011085833B4 (de) * | 2011-11-07 | 2016-03-31 | Photonic Sense GmbH | Zusammensetzung zur Stabilisierung von Siliziumpartikeln in wässrigen Medien und deren Verwendung |
| US9465967B2 (en) | 2012-11-14 | 2016-10-11 | Hand Held Products, Inc. | Apparatus comprising light sensing assemblies with range assisted gain control |
| TW201531951A (zh) * | 2014-02-07 | 2015-08-16 | Cipherlad Co Ltd | 可動態切換的條碼讀取方法 |
| CN104182714B (zh) * | 2014-08-22 | 2017-05-10 | 深圳市兴通物联科技有限公司 | 校正信号畸变的方法及激光条码扫描平台 |
| EP3485429A4 (en) * | 2016-07-14 | 2019-12-18 | Zebrasci, Inc. | METHOD FOR TRACKING AND LOCATING SPRAYING IN THE PHARMACEUTICAL INDUSTRY |
| TWI609331B (zh) * | 2016-11-22 | 2017-12-21 | 陳叁豪 | 具多重光譜的數位浮水印圖像與其設計方法 |
| CN107066909B (zh) * | 2016-12-29 | 2019-11-12 | 西安中颖电子有限公司 | 一种周期性一维条码信号加强的方法和模块 |
| EP4092913B1 (en) * | 2021-05-18 | 2024-05-15 | Renesas Design Austria GmbH | Transmitter with a frequency measurement stage |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06208644A (ja) * | 1990-12-28 | 1994-07-26 | Symbol Technol Inc | 自動利得制御回路 |
| JPH1063768A (ja) * | 1996-08-20 | 1998-03-06 | Pentel Kk | バ−コ−ドイメ−ジ検出装置 |
| JPH11134429A (ja) * | 1997-10-27 | 1999-05-21 | Denso Corp | 2次元コード読取装置 |
| JP2000163504A (ja) * | 1998-11-27 | 2000-06-16 | Olympus Optical Co Ltd | シンボル情報読み取り装置 |
| JP2001060244A (ja) * | 1999-08-23 | 2001-03-06 | Denso Corp | バーコード読取装置 |
| JP2004015671A (ja) * | 2002-06-10 | 2004-01-15 | Optoelectronics Co Ltd | 信号検出処理回路 |
Family Cites Families (36)
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|---|---|---|---|---|
| GB1575098A (en) * | 1977-06-15 | 1980-09-17 | Communications Patents Ltd | Method for measuring crossview between channels in a wired television broadcasting system |
| 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 |
| JP2581047B2 (ja) * | 1986-10-24 | 1997-02-12 | ヤマハ株式会社 | 楽音信号発生方法 |
| US5705800A (en) * | 1996-03-05 | 1998-01-06 | Symbol Technologies, Inc. | Laser scanner system for controlling the optical scanning of bar codes |
| US4963756A (en) | 1989-10-13 | 1990-10-16 | Hewlett-Packard Company | Focused line identifier for a bar code reader |
| US5140146A (en) | 1989-11-20 | 1992-08-18 | Symbol Technologies, Inc. | Bar code symbol reader with modulation enhancement |
| US5126545A (en) * | 1990-01-16 | 1992-06-30 | Symbol Technologies, Inc. | Portable laser scanning system having a motor drive with no DC windings |
| US5608200A (en) | 1990-09-28 | 1997-03-04 | Symbol Technologies, Inc. | Method of collecting and adjusting bar code data from a laser bar code reader |
| US5270875A (en) * | 1990-11-13 | 1993-12-14 | Colorado Memory Systems, Inc. | Programmable filter/equalizer for duel speed and density magnetic recording devices |
| US5200597A (en) * | 1991-02-07 | 1993-04-06 | Psc, Inc. | Digitally controlled system for scanning and reading bar codes |
| CA2056272C (en) * | 1991-06-14 | 2001-10-16 | Patrick Salatto, Jr. | Combined range laser scanner |
| US5504318A (en) | 1991-09-13 | 1996-04-02 | Symbol Technologies, Inc. | Analog waveform decoder using peak locations |
| US5734152A (en) | 1995-05-31 | 1998-03-31 | Symbol Technologies, Inc. | Optical scanners and signal processors therefor |
| US5461223A (en) | 1992-10-09 | 1995-10-24 | Eastman Kodak Company | Bar code detecting circuitry |
| US5371361A (en) * | 1993-02-01 | 1994-12-06 | Spectra-Physics Scanning Systems, Inc. | Optical processing system |
| US5602376A (en) * | 1993-05-07 | 1997-02-11 | Psc Inc. | Hand-mounted optical scanner system |
| DE4414449C2 (de) * | 1994-04-26 | 1996-03-14 | Leuze Electronic Gmbh & Co | Optoelektronische Vorrichtung zum Erkennen von Kontrastmarken |
| US5777309A (en) | 1995-10-30 | 1998-07-07 | Intermec Corporation | Method and apparatus for locating and decoding machine-readable symbols |
| US6422467B2 (en) * | 1995-12-18 | 2002-07-23 | Metrologic Instruments, Inc. | Reading system a variable pass-band |
| 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 |
| US5852286A (en) * | 1996-03-20 | 1998-12-22 | Psc, Inc. | Method and apparatus for reducing bandwidth limited noise in bar code scanner |
| US5760403A (en) | 1996-04-18 | 1998-06-02 | Loral Fairchild Corp. | High modulation transfer function CCD X-ray image sensor apparatus and method |
| US6388768B2 (en) * | 1996-04-22 | 2002-05-14 | Minolta Co., Ltd. | Image forming apparatus which excels in reproducibility of colors, fine lines and gradations even in a copy made from a copied image |
| US5969325A (en) | 1996-06-03 | 1999-10-19 | Accu-Sort Systems, Inc. | High speed image acquisition system and method of processing and decoding barcode symbol |
| JP4132144B2 (ja) | 1997-07-11 | 2008-08-13 | 株式会社キーエンス | バーコード読取装置 |
| US6497366B1 (en) * | 1997-12-31 | 2002-12-24 | Ncr Corporation | Methods and apparatus for dual channel video recovery in bar code scanners |
| US6502751B1 (en) * | 2000-04-26 | 2003-01-07 | Ncr Corporation | Methods and apparatus for dual thresholding in processing of barcode signals |
| ATE431950T1 (de) * | 2000-12-21 | 2009-06-15 | Datalogic Spa | Verfahren und vorrichtung zur fokussierung eines elektrischen signals, welches einen optischen kode repräsentiert |
| CN2461080Y (zh) * | 2001-01-15 | 2001-11-21 | 吴美燕 | 激光条码扫描机的讯号处理装置 |
| US7379613B2 (en) * | 2002-02-27 | 2008-05-27 | Omnivision Cdm Optics, Inc. | Optimized image processing for wavefront coded imaging systems |
| JP2003308476A (ja) * | 2002-04-12 | 2003-10-31 | Toshiba Corp | バーコード読み取り装置 |
| US20030215791A1 (en) | 2002-05-20 | 2003-11-20 | Applied Spectral Imaging Ltd. | Method of and system for multiplexed analysis by spectral imaging |
| US7260251B2 (en) | 2003-03-31 | 2007-08-21 | Cdm Optics, Inc. | Systems and methods for minimizing aberrating effects in imaging systems |
| US7216811B2 (en) | 2004-04-16 | 2007-05-15 | Microscan Systems Incorporated | Barcode scanner with linear automatic gain control (AGC), modulation transfer function detector, and selectable noise filter |
| US7291856B2 (en) * | 2005-04-28 | 2007-11-06 | Honeywell International Inc. | Sensor and methods for measuring select components in moving sheet products |
-
2004
- 2004-04-16 US US10/825,944 patent/US7216811B2/en not_active Expired - Lifetime
-
2005
- 2005-04-04 CN CN200910149238XA patent/CN101645132B/zh not_active Expired - Fee Related
- 2005-04-04 JP JP2007508380A patent/JP2007534062A/ja active Pending
- 2005-04-04 KR KR1020117003681A patent/KR101107033B1/ko not_active Expired - Fee Related
- 2005-04-04 EP EP09166874.9A patent/EP2112618B1/en not_active Expired - Lifetime
- 2005-04-04 CN CN200910149239.4A patent/CN101976327B/zh not_active Expired - Fee Related
- 2005-04-04 WO PCT/US2005/011226 patent/WO2005106768A2/en not_active Ceased
- 2005-04-04 CN CN2005800191883A patent/CN101124587B/zh not_active Expired - Fee Related
- 2005-04-04 EP EP20050731262 patent/EP1741046B1/en not_active Expired - Lifetime
-
2006
- 2006-11-15 KR KR1020067023936A patent/KR101098322B1/ko not_active Expired - Fee Related
-
2007
- 2007-02-22 US US11/709,969 patent/US7743993B2/en active Active
- 2007-02-22 US US11/710,195 patent/US20070170260A1/en not_active Abandoned
- 2007-04-24 US US11/789,758 patent/US7832644B2/en not_active Expired - Lifetime
-
2010
- 2010-07-14 JP JP2010159473A patent/JP2010267293A/ja active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06208644A (ja) * | 1990-12-28 | 1994-07-26 | Symbol Technol Inc | 自動利得制御回路 |
| JPH1063768A (ja) * | 1996-08-20 | 1998-03-06 | Pentel Kk | バ−コ−ドイメ−ジ検出装置 |
| JPH11134429A (ja) * | 1997-10-27 | 1999-05-21 | Denso Corp | 2次元コード読取装置 |
| JP2000163504A (ja) * | 1998-11-27 | 2000-06-16 | Olympus Optical Co Ltd | シンボル情報読み取り装置 |
| JP2001060244A (ja) * | 1999-08-23 | 2001-03-06 | Denso Corp | バーコード読取装置 |
| JP2004015671A (ja) * | 2002-06-10 | 2004-01-15 | Optoelectronics Co Ltd | 信号検出処理回路 |
Also Published As
| Publication number | Publication date |
|---|---|
| US7216811B2 (en) | 2007-05-15 |
| EP2112618B1 (en) | 2015-04-01 |
| EP2112618A3 (en) | 2011-08-24 |
| JP2010267293A (ja) | 2010-11-25 |
| KR101098322B1 (ko) | 2011-12-26 |
| CN101124587A (zh) | 2008-02-13 |
| CN101645132B (zh) | 2013-04-24 |
| US20070215707A1 (en) | 2007-09-20 |
| EP1741046A4 (en) | 2009-05-27 |
| WO2005106768A3 (en) | 2007-04-19 |
| EP2112618A2 (en) | 2009-10-28 |
| US7832644B2 (en) | 2010-11-16 |
| KR20110026526A (ko) | 2011-03-15 |
| KR20070004098A (ko) | 2007-01-05 |
| EP1741046B1 (en) | 2015-05-20 |
| US20050230480A1 (en) | 2005-10-20 |
| KR101107033B1 (ko) | 2012-01-25 |
| CN101645132A (zh) | 2010-02-10 |
| CN101976327B (zh) | 2014-10-15 |
| CN101976327A (zh) | 2011-02-16 |
| WO2005106768A2 (en) | 2005-11-10 |
| CN101124587B (zh) | 2012-03-21 |
| US20070170260A1 (en) | 2007-07-26 |
| EP1741046A2 (en) | 2007-01-10 |
| US20070158426A1 (en) | 2007-07-12 |
| US7743993B2 (en) | 2010-06-29 |
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