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 PDF

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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
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analog signal
frequency portion
gain element
frequency
amplitude
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JP2007534062A5 (enExample
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コルスタッド，ジェッセ・ジェイ
デイヴィス，ブライアン・エル
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マイクロスキャン・システムズ・インコーポレーテッド
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Publication of JP2007534062A5 publication Critical patent/JP2007534062A5/ja
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    • 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)
  • Image Input (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
JP2007508380A 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 Pending JP2007534062A (ja)

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 (enExample) 2008-05-22

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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 (enExample)
EP (2) EP1741046B1 (enExample)
JP (2) JP2007534062A (enExample)
KR (2) KR101107033B1 (enExample)
CN (3) CN101645132B (enExample)
WO (1) WO2005106768A2 (enExample)

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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
WO2009061319A1 (en) * 2007-11-08 2009-05-14 Optoelectronics Co., Ltd. Signal processing for light beam sensing
US20100219246A1 (en) * 2007-11-08 2010-09-02 Optoelectronics Co. Ltd. Signal processing for light beam sensing
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
US20180018624A1 (en) * 2016-07-14 2018-01-18 Zebrasci, Inc. Method of Tracking and Tracing Syringes 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

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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

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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
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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
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* Cited by examiner, † Cited by third party
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
EP1741046A2 (en) 2007-01-10
US20070170260A1 (en) 2007-07-26
KR101098322B1 (ko) 2011-12-26
EP2112618A2 (en) 2009-10-28
JP2010267293A (ja) 2010-11-25
CN101976327B (zh) 2014-10-15
US20070215707A1 (en) 2007-09-20
US7832644B2 (en) 2010-11-16
US20050230480A1 (en) 2005-10-20
US20070158426A1 (en) 2007-07-12
CN101124587B (zh) 2012-03-21
US7743993B2 (en) 2010-06-29
CN101645132B (zh) 2013-04-24
KR101107033B1 (ko) 2012-01-25
EP2112618B1 (en) 2015-04-01
CN101645132A (zh) 2010-02-10
KR20110026526A (ko) 2011-03-15
EP1741046B1 (en) 2015-05-20
WO2005106768A2 (en) 2005-11-10
WO2005106768A3 (en) 2007-04-19
EP1741046A4 (en) 2009-05-27
CN101124587A (zh) 2008-02-13
EP2112618A3 (en) 2011-08-24
US7216811B2 (en) 2007-05-15
CN101976327A (zh) 2011-02-16
KR20070004098A (ko) 2007-01-05

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