DE69726689D1 - Wandlung eines Analogsignals, insbesondere eines Fernsehsignals, in einem Digitalsignal - Google Patents

Wandlung eines Analogsignals, insbesondere eines Fernsehsignals, in einem Digitalsignal

Info

Publication number
DE69726689D1
DE69726689D1 DE69726689T DE69726689T DE69726689D1 DE 69726689 D1 DE69726689 D1 DE 69726689D1 DE 69726689 T DE69726689 T DE 69726689T DE 69726689 T DE69726689 T DE 69726689T DE 69726689 D1 DE69726689 D1 DE 69726689D1
Authority
DE
Germany
Prior art keywords
signal
conversion
television
analog
digital
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
Application number
DE69726689T
Other languages
English (en)
Other versions
DE69726689T2 (de
Inventor
Jean-Claude Guerin
Philippe Morel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thomson Licensing SAS
Original Assignee
Thomson Multimedia SA
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 by Thomson Multimedia SA filed Critical Thomson Multimedia SA
Publication of DE69726689D1 publication Critical patent/DE69726689D1/de
Application granted granted Critical
Publication of DE69726689T2 publication Critical patent/DE69726689T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/10—Calibration or testing
    • H03M1/1009—Calibration
    • H03M1/1028—Calibration at two points of the transfer characteristic, i.e. by adjusting two reference values, e.g. offset and gain error
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Processing Of Color Television Signals (AREA)
  • Picture Signal Circuits (AREA)
DE69726689T 1996-10-25 1997-10-17 Wandlung eines Analogsignals, insbesondere eines Fernsehsignals, in einem Digitalsignal Expired - Lifetime DE69726689T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9613026 1996-10-25
FR9613026A FR2755324B1 (fr) 1996-10-25 1996-10-25 Conversion d'un signal analogique en signal numerique en particulier un signal video de tv

Publications (2)

Publication Number Publication Date
DE69726689D1 true DE69726689D1 (de) 2004-01-22
DE69726689T2 DE69726689T2 (de) 2004-10-14

Family

ID=9497021

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69726689T Expired - Lifetime DE69726689T2 (de) 1996-10-25 1997-10-17 Wandlung eines Analogsignals, insbesondere eines Fernsehsignals, in einem Digitalsignal

Country Status (5)

Country Link
US (1) US6057891A (de)
EP (1) EP0838903B1 (de)
JP (1) JP3863977B2 (de)
DE (1) DE69726689T2 (de)
FR (1) FR2755324B1 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3595657B2 (ja) * 1997-08-22 2004-12-02 キヤノン株式会社 ビデオ信号処理装置および方法
US6177893B1 (en) * 1998-09-15 2001-01-23 Scott R. Velazquez Parallel processing analog and digital converter
JP3722628B2 (ja) * 1998-10-20 2005-11-30 株式会社日立製作所 自動クロック位相調整装置及び自動クロック位相調整方法及びそれを用いた表示装置
US6195031B1 (en) * 1998-12-28 2001-02-27 Siemens Aktiengesellschaft Analog-to-digital converter with level converter and level recognition unit and correction memory
DE19900558C2 (de) * 1999-01-09 2002-10-24 Micronas Gmbh Verstärker für einen Analog-Digital-Wandler
FR2798526B1 (fr) * 1999-09-15 2001-11-09 Schneider Electric Ind Sa Declencheur electronique avec des moyens de correction d'offset
FI107482B (fi) * 1999-09-20 2001-08-15 Nokia Networks Oy Menetelmä analogia-digitaalimuuntimen kalibroimiseksi sekä kalibrointilaite
US6268820B1 (en) * 2000-05-05 2001-07-31 Analog Devices, Inc. Analog-to-digital conversion system
KR20020067051A (ko) * 2000-11-01 2002-08-21 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 아날로그 컬러 신호 처리 방법 및 아날로그 컬러 신호처리 장치 및 컬러 카메라
EP1244217A1 (de) * 2001-03-06 2002-09-25 Sony International (Europe) GmbH Kalibrierung eines A/D-Wandlers
US6388449B1 (en) 2001-03-27 2002-05-14 Motorola, Inc. Circuit and method for auto-calibration of an active load
JP4132714B2 (ja) * 2001-04-12 2008-08-13 三菱電機株式会社 映像信号サンプリング装置、表示装置、及び映像信号サンプリング方法
US6384760B1 (en) 2001-05-30 2002-05-07 Agilent Technologies, Inc. Analog-to-digital converter
US6433713B1 (en) 2001-05-31 2002-08-13 Agilent Technologies, Inc. Calibration of analog-to-digital converters
KR100436765B1 (ko) * 2002-07-12 2004-06-23 삼성전자주식회사 디지털 비디오 시스템의 신호처리장치 및 방법
JP3851870B2 (ja) 2002-12-27 2006-11-29 株式会社東芝 可変分解能ａ／ｄ変換器
KR100514749B1 (ko) * 2003-05-21 2005-09-14 삼성전자주식회사 디스플레이 기기의 자동 캘리브레이션 장치 및 방법
US7106231B2 (en) * 2003-11-04 2006-09-12 Mstar Semiconductor, Inc. Video signal processing system including analog to digital converter and related method for calibrating analog to digital converter
US7218258B2 (en) * 2004-02-05 2007-05-15 Broadcom Corporation Method and system for mixed analog-digital automatic gain control
US7948501B2 (en) * 2004-03-09 2011-05-24 Olympus Corporation Display control apparatus and method under plural different color spaces
JP4555608B2 (ja) * 2004-05-21 2010-10-06 富士通セミコンダクター株式会社 Ａ／ｄ変換器
US7283231B2 (en) * 2004-07-20 2007-10-16 Duke University Compressive sampling and signal inference
KR100688977B1 (ko) * 2004-09-13 2007-03-08 삼성전자주식회사 디스플레이 장치
US7302354B2 (en) * 2006-03-28 2007-11-27 Crystal Instruments Corporation Cross-path calibration for data acquisition using multiple digitizing paths
TWI332757B (en) * 2006-06-14 2010-11-01 Realtek Semiconductor Corp Circuit and method for reducing mismatch between signal converters
JP4594911B2 (ja) * 2006-09-19 2010-12-08 株式会社リコー 読み取り信号処理装置、画像読み取り装置、及び画像形成装置
US7382298B1 (en) * 2007-01-17 2008-06-03 Analog Devices, Inc. Code-correction structures and methods for digital displays
JP2009278236A (ja) * 2008-05-13 2009-11-26 Panasonic Corp 固体撮像装置
US8493250B2 (en) 2011-09-07 2013-07-23 International Business Machines Corporation Comparator offset cancellation in a successive approximation analog-to-digital converter
CN113162622B (zh) * 2020-01-22 2023-07-18 创意电子股份有限公司 模拟数字转换器装置以及时脉偏斜校正方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4947168A (en) * 1988-05-23 1990-08-07 Hughes Aircraft Company Subranging analog-to-digital converter with calibration
US4958139A (en) * 1988-06-23 1990-09-18 Nicolet Instrument Corporation Method and apparatus for automatically calibrating the gain and offset of a time-shifted digitizing channel
JPH03205921A (ja) * 1990-01-08 1991-09-09 Hitachi Denshi Ltd デジタイザ回路
US5047772A (en) * 1990-06-04 1991-09-10 General Electric Company Digital error correction system for subranging analog-to-digital converters
US5184127A (en) * 1991-04-19 1993-02-02 Hughes Aircraft Company Sample-and-hold droop compensator for high speed high resolution analog-to-digital converter
FR2697955B1 (fr) * 1992-11-06 1994-12-09 Thomson Csf Procédé et dispositif de conversion analogique numérique à auto-calibration.
JP3319099B2 (ja) * 1993-11-30 2002-08-26 ソニー株式会社 ビデオカメラシステム
US5389929A (en) * 1994-02-03 1995-02-14 Raytheon Company Two-step subranging analog-to-digital converter
US5598157A (en) * 1994-10-28 1997-01-28 Harris Corporation Sigma Delta analog to digital converter with three point calibration apparatus and method

Also Published As

Publication number Publication date
JPH10135831A (ja) 1998-05-22
JP3863977B2 (ja) 2006-12-27
EP0838903B1 (de) 2003-12-10
EP0838903A1 (de) 1998-04-29
FR2755324A1 (fr) 1998-04-30
FR2755324B1 (fr) 1999-01-08
US6057891A (en) 2000-05-02
DE69726689T2 (de) 2004-10-14

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