FR2835327B1 - Dispositif de calibrage pour un etage d'entree video - Google Patents
Dispositif de calibrage pour un etage d'entree videoInfo
- 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
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)
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)
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)
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 |
-
2002
- 2002-01-31 FR FR0201172A patent/FR2835327B1/fr not_active Expired - Fee Related
-
2003
- 2003-01-30 US US10/356,350 patent/US7092039B2/en not_active Expired - Lifetime
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 |