CN1602631A - 抗彩条编码干扰的色度处理装置 - Google Patents
抗彩条编码干扰的色度处理装置 Download PDFInfo
- Publication number
- CN1602631A CN1602631A CNA028248635A CN02824863A CN1602631A CN 1602631 A CN1602631 A CN 1602631A CN A028248635 A CNA028248635 A CN A028248635A CN 02824863 A CN02824863 A CN 02824863A CN 1602631 A CN1602631 A CN 1602631A
- Authority
- CN
- China
- Prior art keywords
- signal
- burst
- chrominance
- produce
- output signal
- 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.)
- Granted
Links
Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
- H04N21/8352—Generation of protective data, e.g. certificates involving content or source identification data, e.g. Unique Material Identifier [UMID]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/66—Circuits for processing colour signals for synchronous demodulators
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/44—Colour synchronisation
- H04N9/45—Generation or recovery of colour sub-carriers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Processing Of Color Television Signals (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US34111501P | 2001-12-12 | 2001-12-12 | |
US60/341,115 | 2001-12-12 | ||
US10/164,683 US7545937B2 (en) | 2001-12-12 | 2002-06-07 | Chrominance processing arrangement having immunity to colorstripe encoding |
US10/164,683 | 2002-06-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1602631A true CN1602631A (zh) | 2005-03-30 |
CN100518300C CN100518300C (zh) | 2009-07-22 |
Family
ID=26860768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB028248635A Expired - Lifetime CN100518300C (zh) | 2001-12-12 | 2002-12-06 | 抗彩条编码干扰的色度处理装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7545937B2 (zh) |
EP (1) | EP1454490A4 (zh) |
JP (1) | JP4130929B2 (zh) |
KR (1) | KR100908748B1 (zh) |
CN (1) | CN100518300C (zh) |
AU (1) | AU2002357074A1 (zh) |
MX (1) | MXPA04005729A (zh) |
WO (1) | WO2003051057A1 (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2390247B (en) * | 2002-06-28 | 2006-04-12 | Dwight Cavendish Systems Ltd | An improved method and apparatus for providing an anti-copy video signal |
GB0312985D0 (en) * | 2003-06-05 | 2003-07-09 | Dwight Cavendish Systems Ltd | Digital processing disruption systems |
GB2419220B (en) | 2004-10-13 | 2009-06-03 | Dwight Cavendish Systems Ltd | Audio copy protection system |
GB0513051D0 (en) * | 2005-06-27 | 2005-08-03 | Dwight Cavendish Systems Ltd | Copy protection method and apparatus |
CN101521783B (zh) * | 2009-04-03 | 2014-01-08 | 北京中星微电子有限公司 | 一种简便的Macrovision检测系统及方法 |
US10574910B2 (en) * | 2015-02-26 | 2020-02-25 | Sony Semiconductor Solutions Corporation | Method and apparatus for controlling a luminance composition unit |
CN111258157B (zh) | 2018-11-30 | 2023-01-10 | 中强光电股份有限公司 | 投影机及亮度调整方法 |
CN111258158B (zh) * | 2018-11-30 | 2022-10-25 | 中强光电股份有限公司 | 投影机及亮度调整方法 |
US11012669B2 (en) | 2019-07-30 | 2021-05-18 | Coretronic Corporation | Projection device and control method thereof |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3578902A (en) * | 1968-08-28 | 1971-05-18 | Rca Corp | Apparatus for synchronized generation of a signal from a composite color video signal subjected to signal perturbations |
US3763439A (en) * | 1972-08-21 | 1973-10-02 | Gen Electric | Voltage controlled oscillator for integrated circuit fabrication |
US3806634A (en) * | 1972-08-21 | 1974-04-23 | Gen Electric | Multiplex color television demodulator |
US4054905A (en) * | 1976-10-28 | 1977-10-18 | Rca Corporation | Automatic chrominance gain control system |
US4122487A (en) * | 1977-01-28 | 1978-10-24 | Ampex Corporation | Precision phase controlled clock for sampling television signals |
US4183047A (en) * | 1977-12-08 | 1980-01-08 | General Electric Company | Chroma level stabilizer |
US4292648A (en) * | 1979-04-09 | 1981-09-29 | Ampex Corporation | Color corrector for a composite color video signal |
US4375099A (en) * | 1980-04-08 | 1983-02-22 | Harris Corporation | Link performance indicator with alternate data sampling and error indication generation |
JPS59147590A (ja) * | 1983-02-10 | 1984-08-23 | Nippon Telegr & Teleph Corp <Ntt> | 転極雑音抑圧方式 |
US4577216A (en) * | 1983-11-14 | 1986-03-18 | Macrovision | Method and apparatus for modifying the color burst to prohibit videotape recording |
US4626890A (en) * | 1984-07-03 | 1986-12-02 | Macrovision | Method and apparatus for removing phase modulation from the color burst |
US4742544A (en) * | 1984-07-09 | 1988-05-03 | Kupnicki Richard A | Television transmission network with scrambling and descrambling |
US4623915A (en) * | 1984-09-21 | 1986-11-18 | Rca Corporation | Apparatus for processing multiple time division multiplexed asynchronous composite video signals |
US4797730A (en) * | 1987-04-10 | 1989-01-10 | Ampex Corporation | Method and apparatus for controlling the sampling phase of an analog color television signal |
US4989073A (en) * | 1987-11-25 | 1991-01-29 | Ampex Corporation | System for compensating timing errors during sampling of signals |
JPH01303982A (ja) * | 1988-06-01 | 1989-12-07 | Mitsubishi Electric Corp | 画像再生装置 |
US5012327A (en) * | 1988-09-09 | 1991-04-30 | Ampex Corporation | Circuit for and method of detecting a color field sequence of a color video signal |
US5060262A (en) * | 1990-05-07 | 1991-10-22 | Bevins Jr George L | Video scrambling, audio masking and data transmission methods for wireless cable systems |
GB9122711D0 (en) * | 1991-10-25 | 1991-12-11 | Alpha Image Ltd | Digitally phase locking analogue signals |
US5459524A (en) * | 1991-11-18 | 1995-10-17 | Cooper; J. Carl | Phase modulation demodulator apparatus and method |
JPH08140059A (ja) * | 1994-11-08 | 1996-05-31 | Victor Co Of Japan Ltd | 走査線変換装置 |
JP2972542B2 (ja) * | 1995-03-15 | 1999-11-08 | 日本電気株式会社 | 色信号処理回路 |
BR9608246A (pt) * | 1995-05-09 | 1999-06-08 | Macrovision Corp | Processo e aparelho para anular efeitos de modificações de sinal de sicronismo de cor em um sinal de vídeo |
US5539357A (en) * | 1995-09-15 | 1996-07-23 | Thomson Consumer Electronics, Inc. | Phase locked loop |
US5822011A (en) * | 1995-09-15 | 1998-10-13 | Thomson Consumer Electronics, Inc. | Apparatus for detecting noise in a color video signal |
KR0149809B1 (ko) * | 1995-10-06 | 1998-10-15 | 김광호 | 클럭발생회로 |
JPH09266499A (ja) * | 1996-01-26 | 1997-10-07 | Oki Electric Ind Co Ltd | デジタル復調回路、最大値検出回路及び受信装置 |
JP3694984B2 (ja) | 1996-04-08 | 2005-09-14 | ソニー株式会社 | ビデオ信号処理装置およびビデオ信号処理方法 |
US5907369A (en) * | 1996-09-10 | 1999-05-25 | Thomson Consumer Electronics, Inc. | Television system for displaying main and auxiliary images with color error correction provisions |
JPH10276447A (ja) | 1997-03-28 | 1998-10-13 | Matsushita Electric Ind Co Ltd | 映像機器の色復調回路におけるクロック再生回路 |
JPH11266282A (ja) * | 1998-03-16 | 1999-09-28 | Nec Corp | 相補信号反転接続補正回路 |
JPH11355796A (ja) | 1998-06-10 | 1999-12-24 | Sony Corp | 色復調回路およびデジタル画像処理装置 |
JP2000324364A (ja) * | 1999-05-07 | 2000-11-24 | Sony Corp | 映像信号の輪郭補正回路 |
US6587638B1 (en) * | 1999-08-02 | 2003-07-01 | Hitachi, Ltd. | Recording/ reproducing apparatus and input/ output device |
-
2002
- 2002-06-07 US US10/164,683 patent/US7545937B2/en not_active Expired - Lifetime
- 2002-12-06 AU AU2002357074A patent/AU2002357074A1/en not_active Abandoned
- 2002-12-06 CN CNB028248635A patent/CN100518300C/zh not_active Expired - Lifetime
- 2002-12-06 WO PCT/US2002/038875 patent/WO2003051057A1/en active Application Filing
- 2002-12-06 MX MXPA04005729A patent/MXPA04005729A/es active IP Right Grant
- 2002-12-06 JP JP2003551998A patent/JP4130929B2/ja not_active Expired - Lifetime
- 2002-12-06 EP EP20020804732 patent/EP1454490A4/en not_active Withdrawn
- 2002-12-06 KR KR1020047009035A patent/KR100908748B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
AU2002357074A1 (en) | 2003-06-23 |
WO2003051057A1 (en) | 2003-06-19 |
US7545937B2 (en) | 2009-06-09 |
JP2005512469A (ja) | 2005-04-28 |
MXPA04005729A (es) | 2004-12-06 |
CN100518300C (zh) | 2009-07-22 |
EP1454490A1 (en) | 2004-09-08 |
KR100908748B1 (ko) | 2009-07-22 |
JP4130929B2 (ja) | 2008-08-13 |
US20030108201A1 (en) | 2003-06-12 |
EP1454490A4 (en) | 2010-06-09 |
KR20040068580A (ko) | 2004-07-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder |
Address after: I Si Eli Murli Nor, France Patentee after: THOMSON LICENSING S.A. Address before: French Boulogne Patentee before: THOMSON LICENSING S.A. |
|
CP02 | Change in the address of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190130 Address after: I Si Eli Murli Nor, France Patentee after: THOMSON LICENSING Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING S.A. Effective date of registration: 20190130 Address after: Paris France Patentee after: International Digital Madison Patent Holding Co. Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING |
|
TR01 | Transfer of patent right | ||
CX01 | Expiry of patent term |
Granted publication date: 20090722 |
|
CX01 | Expiry of patent term |