DE69522782T2 - Adaptive Synchronsignal-Trennschaltung - Google Patents
Adaptive Synchronsignal-TrennschaltungInfo
- Publication number
- DE69522782T2 DE69522782T2 DE69522782T DE69522782T DE69522782T2 DE 69522782 T2 DE69522782 T2 DE 69522782T2 DE 69522782 T DE69522782 T DE 69522782T DE 69522782 T DE69522782 T DE 69522782T DE 69522782 T2 DE69522782 T2 DE 69522782T2
- Authority
- DE
- Germany
- Prior art keywords
- synchronous signal
- signal separation
- separation circuit
- adaptive synchronous
- adaptive
- 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
- 230000003044 adaptive effect Effects 0.000 title 1
- 238000000926 separation method Methods 0.000 title 1
- 230000001360 synchronised effect Effects 0.000 title 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/08—Separation of synchronising signals from picture signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Synchronizing For Television (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/349,780 US5576770A (en) | 1994-12-06 | 1994-12-06 | Adaptive synchronizing signal separator |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69522782D1 DE69522782D1 (de) | 2001-10-25 |
DE69522782T2 true DE69522782T2 (de) | 2002-05-23 |
Family
ID=23373929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69522782T Expired - Fee Related DE69522782T2 (de) | 1994-12-06 | 1995-11-25 | Adaptive Synchronsignal-Trennschaltung |
Country Status (7)
Country | Link |
---|---|
US (1) | US5576770A (de) |
EP (1) | EP0716539B1 (de) |
JP (1) | JP3877180B2 (de) |
KR (2) | KR960028179A (de) |
CN (1) | CN1066886C (de) |
DE (1) | DE69522782T2 (de) |
MY (1) | MY112604A (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100391580B1 (ko) * | 1997-07-12 | 2003-10-22 | 삼성전자주식회사 | 복합신호의수직동기신호생성장치 |
DE19737326A1 (de) * | 1997-08-27 | 1999-03-04 | Thomson Brandt Gmbh | Verfahren zur Gewinnung von Zeilensynchronisationsinformationen aus einem Videosignal und Vorrichtung zur Durchführung des Verfahrens |
US6573943B1 (en) * | 1999-09-17 | 2003-06-03 | Elantec Semiconductor, Inc. | Alternative video sync detector |
JP3702783B2 (ja) * | 2000-12-14 | 2005-10-05 | 株式会社日立製作所 | ビデオ信号処理装置 |
KR100391989B1 (ko) * | 2001-04-06 | 2003-07-22 | 삼성전자주식회사 | 해상도 변경 감지 속도가 향상된 디스플레이 장치 및 그감지 방법 |
EP1294182B1 (de) * | 2001-08-31 | 2009-05-06 | Thomson Licensing | Signalerfassung nach einer Übergangssignalunterbrechung |
WO2003055207A1 (en) * | 2001-12-11 | 2003-07-03 | Thomson Licensing S.A. | Multiplexed analog-to-digital converter arrangement |
US7352406B2 (en) | 2002-08-07 | 2008-04-01 | Thomson Licensing | Signal acquisition following transient signal interruption |
JP3515775B1 (ja) * | 2002-08-20 | 2004-04-05 | 沖電気工業株式会社 | 垂直同期検出回路 |
US7423694B2 (en) * | 2005-06-15 | 2008-09-09 | Intersil Americas Inc. | Self-calibrating timing circuits for use in a sync separator |
JP2007165955A (ja) * | 2005-12-09 | 2007-06-28 | Oki Electric Ind Co Ltd | 垂直同期信号生成装置 |
JP4955485B2 (ja) | 2007-08-28 | 2012-06-20 | ルネサスエレクトロニクス株式会社 | 水平同期検出装置 |
US20090080538A1 (en) * | 2007-09-20 | 2009-03-26 | Aten International Co., Ltd. | Method and Apparatus for Decoding a Video Signal |
CN103167219B (zh) * | 2011-12-08 | 2016-03-23 | 无锡华润矽科微电子有限公司 | Cvbs电视信号钳位控制电路结构 |
TWI542211B (zh) * | 2014-04-29 | 2016-07-11 | 瑞昱半導體股份有限公司 | 用來產生顯示裝置中水平同步訊號的電路及相關的方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7000743A (de) * | 1970-01-19 | 1971-07-21 | ||
US4185299A (en) * | 1978-08-18 | 1980-01-22 | Rca Corporation | Synchronization signal separator circuit |
JPS5672581A (en) * | 1979-11-16 | 1981-06-16 | Matsushita Electric Ind Co Ltd | Synchronizing signal separator |
US4621289A (en) * | 1984-03-21 | 1986-11-04 | Zenith Electronics Corporation | Digital sync separator and differentiator |
US4628361A (en) * | 1985-01-08 | 1986-12-09 | Recoton Corporation | Video synchronizing signal separator |
US4680633A (en) * | 1985-04-24 | 1987-07-14 | Third Domain, Inc. | Circuit and method for producing accurate dc restored video waveform, horizontal sync pulses, and vertical sync pulses |
US4707740A (en) * | 1986-04-11 | 1987-11-17 | Harris Corporation | Sync detector having noise adjusted slice level |
US4723165A (en) * | 1986-11-26 | 1988-02-02 | Zenith Electronics Corporation | AC coupled sync separator system with filter DC feedback |
US5003564A (en) * | 1989-04-04 | 1991-03-26 | Rca Licensing Corporation | Digital signal clamp circuitry |
US5027017A (en) * | 1990-01-19 | 1991-06-25 | Rca Licensing Corporation | Sync tip clamp circuitry |
MY105454A (en) * | 1990-04-30 | 1994-10-31 | Thomson Comsumer Electronics Inc | Television signal processing circuits. |
US5260790A (en) * | 1990-08-27 | 1993-11-09 | Canon Kabushiki Kaisha | Synchronizing signal separation device |
JP2814039B2 (ja) * | 1991-09-12 | 1998-10-22 | シャープ株式会社 | クランプ回路 |
DE59107587D1 (de) * | 1991-09-27 | 1996-04-25 | Siemens Ag | Gerät zum Verarbeiten von in Zeilen aufgeteilten Videosignalen mit einer digitalen Synchronabtrennstufe |
-
1994
- 1994-12-05 KR KR1019940046697A patent/KR960028179A/ko unknown
- 1994-12-06 US US08/349,780 patent/US5576770A/en not_active Expired - Lifetime
-
1995
- 1995-11-25 DE DE69522782T patent/DE69522782T2/de not_active Expired - Fee Related
- 1995-11-25 EP EP95118580A patent/EP0716539B1/de not_active Expired - Lifetime
- 1995-12-01 MY MYPI95003700A patent/MY112604A/en unknown
- 1995-12-05 CN CN95119056A patent/CN1066886C/zh not_active Expired - Fee Related
- 1995-12-05 JP JP34703095A patent/JP3877180B2/ja not_active Expired - Fee Related
- 1995-12-05 KR KR1019950046697A patent/KR100394447B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0716539A3 (de) | 1996-12-04 |
JP3877180B2 (ja) | 2007-02-07 |
CN1066886C (zh) | 2001-06-06 |
JPH08237518A (ja) | 1996-09-13 |
EP0716539B1 (de) | 2001-09-19 |
US5576770A (en) | 1996-11-19 |
MY112604A (en) | 2001-07-31 |
KR100394447B1 (ko) | 2003-10-11 |
MX9505066A (es) | 1998-03-31 |
EP0716539A2 (de) | 1996-06-12 |
KR960028179A (ko) | 1996-07-22 |
CN1130328A (zh) | 1996-09-04 |
DE69522782D1 (de) | 2001-10-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |