FR2835327B1 - Dispositif de calibrage pour un etage d'entree video - Google Patents

Dispositif de calibrage pour un etage d'entree video

Info

Publication number
FR2835327B1
FR2835327B1 FR0201172A FR0201172A FR2835327B1 FR 2835327 B1 FR2835327 B1 FR 2835327B1 FR 0201172 A FR0201172 A FR 0201172A FR 0201172 A FR0201172 A FR 0201172A FR 2835327 B1 FR2835327 B1 FR 2835327B1
Authority
FR
France
Prior art keywords
video input
input stage
calibration device
calibration
video
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 - Fee Related
Application number
FR0201172A
Other languages
English (en)
Other versions
FR2835327A1 (fr
Inventor
Lionel Grillo
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.)
STMicroelectronics SA
Original Assignee
STMicroelectronics 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 STMicroelectronics SA filed Critical STMicroelectronics SA
Priority to FR0201172A priority Critical patent/FR2835327B1/fr
Priority to US10/356,350 priority patent/US7092039B2/en
Publication of FR2835327A1 publication Critical patent/FR2835327A1/fr
Application granted granted Critical
Publication of FR2835327B1 publication Critical patent/FR2835327B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03M1/12—Analogue/digital converters
    • H03M1/124—Sampling or signal conditioning arrangements specially adapted for A/D converters
    • H03M1/129—Means for adapting the input signal to the range the converter can handle, e.g. limiting, pre-scaling ; Out-of-range indication
    • H03M1/1295—Clamping, i.e. adjusting the DC level of the input signal to a predetermined value
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/18—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Picture Signal Circuits (AREA)
FR0201172A 2002-01-31 2002-01-31 Dispositif de calibrage pour un etage d'entree video Expired - Fee Related FR2835327B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0201172A FR2835327B1 (fr) 2002-01-31 2002-01-31 Dispositif de calibrage pour un etage d'entree video
US10/356,350 US7092039B2 (en) 2002-01-31 2003-01-30 Calibration device for a video input stage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0201172A FR2835327B1 (fr) 2002-01-31 2002-01-31 Dispositif de calibrage pour un etage d'entree video

Publications (2)

Publication Number Publication Date
FR2835327A1 FR2835327A1 (fr) 2003-08-01
FR2835327B1 true FR2835327B1 (fr) 2004-08-27

Family

ID=27619797

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0201172A Expired - Fee Related FR2835327B1 (fr) 2002-01-31 2002-01-31 Dispositif de calibrage pour un etage d'entree video

Country Status (2)

Country Link
US (1) US7092039B2 (fr)
FR (1) FR2835327B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7602859B2 (en) * 2005-04-28 2009-10-13 Intel Corporation Calibrating integrating receivers for source synchronous protocol
US8159609B2 (en) * 2006-03-13 2012-04-17 Realtek Semiconductor Corp. Image processing chip and related method for processing video

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2606956A1 (fr) * 1986-11-14 1988-05-20 Radiotechnique Compelec Dispositif de conversion analogique-numerique comportant un dispositif de controle automatique de gain
FR2727595A1 (fr) * 1994-11-25 1996-05-31 Sgs Thomson Microelectronics Circuit d'asservissement d'un signal sur une valeur de preference
JP3428287B2 (ja) * 1996-04-12 2003-07-22 ソニー株式会社 クランプ回路およびそれを用いた撮像装置
FR2762162A1 (fr) * 1997-04-15 1998-10-16 Philips Electronics Nv Dispositif d'alignement numerique
JP4002644B2 (ja) * 1997-11-06 2007-11-07 フリースケール セミコンダクター インコーポレイテッド クランプ装置
EP0926887A3 (fr) * 1997-12-22 2001-03-21 Texas Instruments Inc. Dispositif de commande automatique de gain et de courant continu du circuit d'entrée d'un décodeur vidéo
JP2000278132A (ja) * 1999-03-24 2000-10-06 Matsushita Electric Ind Co Ltd 多信号のクランプ装置

Also Published As

Publication number Publication date
US20030174249A1 (en) 2003-09-18
US7092039B2 (en) 2006-08-15
FR2835327A1 (fr) 2003-08-01

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20091030