KR101107033B1 - 선형 자동 이득 제어를 갖춘 바코드 스캐너, 변조 전달 함수 검출기 및 선택 가능한 노이즈 필터 - Google Patents

선형 자동 이득 제어를 갖춘 바코드 스캐너, 변조 전달 함수 검출기 및 선택 가능한 노이즈 필터 Download PDF

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KR101107033B1
KR101107033B1 KR1020117003681A KR20117003681A KR101107033B1 KR 101107033 B1 KR101107033 B1 KR 101107033B1 KR 1020117003681 A KR1020117003681 A KR 1020117003681A KR 20117003681 A KR20117003681 A KR 20117003681A KR 101107033 B1 KR101107033 B1 KR 101107033B1
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analog signal
amplitude
frequency portion
frequency
gain
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KR20110026526A (ko
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제시 제이. 콜스태드
브라이언 엘. 데이비스
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마이크로스캔 시스템즈 인코포레이티드
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    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544Methods 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
    • G06K7/10821Methods 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
    • G06K7/10851Circuits 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)
KR1020117003681A 2004-04-16 2005-04-04 선형 자동 이득 제어를 갖춘 바코드 스캐너, 변조 전달 함수 검출기 및 선택 가능한 노이즈 필터 Expired - Fee Related KR101107033B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/825,944 2004-04-16
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 Parent Applications (1)

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KR1020067023936A Division KR101098322B1 (ko) 2004-04-16 2006-11-15 신호 조정 장치 및 방법

Publications (2)

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KR20110026526A KR20110026526A (ko) 2011-03-15
KR101107033B1 true KR101107033B1 (ko) 2012-01-25

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KR1020117003681A Expired - Fee Related KR101107033B1 (ko) 2004-04-16 2005-04-04 선형 자동 이득 제어를 갖춘 바코드 스캐너, 변조 전달 함수 검출기 및 선택 가능한 노이즈 필터
KR1020067023936A Expired - Fee Related KR101098322B1 (ko) 2004-04-16 2006-11-15 신호 조정 장치 및 방법

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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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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
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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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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
EP2112618B1 (en) 2015-04-01
JP2007534062A (ja) 2007-11-22
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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