DE3366495D1 - A technique for providing compatibility between high-definition and conventional color television - Google Patents
A technique for providing compatibility between high-definition and conventional color televisionInfo
- Publication number
- DE3366495D1 DE3366495D1 DE8383900522T DE3366495T DE3366495D1 DE 3366495 D1 DE3366495 D1 DE 3366495D1 DE 8383900522 T DE8383900522 T DE 8383900522T DE 3366495 T DE3366495 T DE 3366495T DE 3366495 D1 DE3366495 D1 DE 3366495D1
- Authority
- DE
- Germany
- Prior art keywords
- definition
- technique
- color television
- conventional color
- providing compatibility
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
- H04N11/24—High-definition television systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/06—Systems for the simultaneous transmission of one television signal, i.e. both picture and sound, by more than one carrier
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Color Television Systems (AREA)
- Television Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/391,973 US4476484A (en) | 1982-06-24 | 1982-06-24 | Technique for providing compatibility between high-definition and conventional color television |
PCT/US1983/000064 WO1984000272A1 (en) | 1982-06-24 | 1983-01-17 | A technique for providing compatibility between high-definition and conventional color television |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3366495D1 true DE3366495D1 (en) | 1986-11-06 |
Family
ID=23548742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8383900522T Expired DE3366495D1 (en) | 1982-06-24 | 1983-01-17 | A technique for providing compatibility between high-definition and conventional color television |
Country Status (7)
Country | Link |
---|---|
US (1) | US4476484A (de) |
EP (1) | EP0112339B1 (de) |
JP (4) | JPS59501187A (de) |
KR (1) | KR860001201B1 (de) |
CA (1) | CA1215773A (de) |
DE (1) | DE3366495D1 (de) |
WO (1) | WO1984000272A1 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2132443A (en) * | 1982-12-22 | 1984-07-04 | Philips Electronic Associated | Television transmission system |
US4665427A (en) * | 1983-03-14 | 1987-05-12 | U.S. Philips Corporation | Method and apparatus for converting C-MAC television signals for transmission over a limited bandwidth medium |
NL192488C (nl) * | 1983-12-05 | 1997-08-04 | Philips Electronics Nv | Informatiegever en informatie-ontvanger met overdracht van extra informatie behorend bij de televisie-rasteraftastinrichting. |
US4630099A (en) * | 1984-01-16 | 1986-12-16 | At&T Bell Laboratories | Time multiplexing chrominance information for compatible high-definition television |
US4589011A (en) * | 1984-01-16 | 1986-05-13 | At&T Bell Laboratories | Single sideband modulated chrominance information for compatible high-definition television |
US4535352A (en) * | 1984-04-16 | 1985-08-13 | At&T Bell Laboratories | Technique for generating semi-compatible high definition television signals for transmission over two cable TV channels |
JPS6162286A (ja) * | 1984-09-04 | 1986-03-31 | Univ Nagoya | 画像信号帯域圧縮方式 |
US4893176A (en) * | 1985-10-09 | 1990-01-09 | Faroudja Y C | Adaptive comb filter for quadrature modulated color television systems |
US4709256A (en) * | 1986-03-12 | 1987-11-24 | Rca Corporation | Wide screen composite video signal encoder and standard aspect ratio decoder having barst and subcarrier components of different frequencies |
US4740831A (en) * | 1986-06-03 | 1988-04-26 | Scientific Atlanta, Inc. | Method of reformatting color television signals by eliminating the unnecessary overscanned portions |
US4959455A (en) * | 1986-07-14 | 1990-09-25 | Genetics Institute, Inc. | Primate hematopoietic growth factors IL-3 and pharmaceutical compositions |
US4882614A (en) * | 1986-07-14 | 1989-11-21 | Matsushita Electric Industrial Co., Ltd. | Multiplex signal processing apparatus |
US4794447A (en) * | 1986-11-17 | 1988-12-27 | North American Philips Corporation | Method and apparatus for transmitting and receiving a high definition NTSC compatible television signal over a single DBS channel in time division multiplex form |
US4816914A (en) * | 1987-01-07 | 1989-03-28 | Pictel Corporation | Method and apparatus for efficiently encoding and decoding image sequences |
US4849810A (en) * | 1987-06-02 | 1989-07-18 | Picturetel Corporation | Hierarchial encoding method and apparatus for efficiently communicating image sequences |
FI77763C (fi) * | 1987-06-10 | 1989-04-10 | Nokia Oy Ab | Foerfarande, saendare och mottagare foer oeverfoerande av digitalisk tillaeggsinformation. |
US4908697A (en) * | 1987-07-24 | 1990-03-13 | North American Philips Corporation | Two-line mac high definition television system |
US4873567A (en) * | 1987-08-13 | 1989-10-10 | U.S. Philips Corporation | Extended horizontal resolution of luminance and chrominance in a high definition television system |
GB8721565D0 (en) * | 1987-09-14 | 1987-10-21 | Rca Corp | Video signal processing system |
US5061999A (en) * | 1987-11-13 | 1991-10-29 | Matsushita Electric Industrial Co., Ltd. | Multiplex signal processing apparatus |
KR890009173A (ko) * | 1987-11-17 | 1989-07-15 | 이반 밀러 레르너 | 고해상도 텔레비젼 첨가 라인 신호 형성 시스템 |
JPH01292984A (ja) * | 1988-05-20 | 1989-11-27 | Sony Corp | 映像信号の方式変換装置 |
US4879606A (en) * | 1988-06-06 | 1989-11-07 | General Electric Company | EDTV recording apparatus |
US5053860A (en) * | 1988-10-03 | 1991-10-01 | North American Philips Corp. | Method and apparatus for the transmission and reception multicarrier high definition television signal |
JP2884590B2 (ja) * | 1989-04-12 | 1999-04-19 | ソニー株式会社 | 映像信号送受信システム、映像信号受信装置及び映像信号送受信方法 |
KR100254408B1 (ko) * | 1992-07-27 | 2000-05-01 | 구자홍 | 고해상도 텔레비젼의 화상처리회로 |
US5553140A (en) * | 1994-05-26 | 1996-09-03 | Sony Corporation Of Japan | Digital and analog interface for set back box |
KR100320171B1 (ko) * | 1994-08-17 | 2002-04-06 | 구자홍 | 동시디지탈방송용방송장치 |
US6433835B1 (en) | 1998-04-17 | 2002-08-13 | Encamera Sciences Corporation | Expanded information capacity for existing communication transmission systems |
US6751256B1 (en) * | 2000-11-15 | 2004-06-15 | The Regents Of The University Of California | Transmission of digital images within the NTSC analog format |
US7180942B2 (en) * | 2001-12-18 | 2007-02-20 | Dotcast, Inc. | Joint adaptive optimization of soft decision device and feedback equalizer |
US20100149418A1 (en) * | 2002-09-21 | 2010-06-17 | Shomi Technologies Corporation | Video improvement processor |
WO2004075469A2 (en) | 2003-02-19 | 2004-09-02 | Dotcast Inc. | Joint, adaptive control of equalization, synchronization, and gain in a digital communications receiver |
JP2006128860A (ja) * | 2004-10-27 | 2006-05-18 | Oki Electric Ind Co Ltd | 映像信号生成回路 |
JP4727221B2 (ja) * | 2004-12-21 | 2011-07-20 | ルネサスエレクトロニクス株式会社 | 映像信号処理装置及び映像信号処理方法 |
US8218092B1 (en) * | 2008-03-03 | 2012-07-10 | Csr Technology Inc. | Apparatus for receiving both analog and digital TV signals |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE506696A (de) * | 1950-10-31 | 1900-01-01 | ||
US3617626A (en) * | 1969-05-16 | 1971-11-02 | Technicolor | High-definition color picture editing and recording system |
JPS5345926A (en) * | 1976-10-07 | 1978-04-25 | Matsushita Electric Ind Co Ltd | Television picture transmission system |
US4300161A (en) * | 1980-03-03 | 1981-11-10 | Bell Telephone Laboratories, Incorporated | Time compression multiplexing of video signals |
US4296431A (en) * | 1980-04-11 | 1981-10-20 | Ygnacio Inc. | High-resolution television system |
-
1982
- 1982-06-24 US US06/391,973 patent/US4476484A/en not_active Expired - Lifetime
-
1983
- 1983-01-17 DE DE8383900522T patent/DE3366495D1/de not_active Expired
- 1983-01-17 JP JP58500550A patent/JPS59501187A/ja active Pending
- 1983-01-17 WO PCT/US1983/000064 patent/WO1984000272A1/en active IP Right Grant
- 1983-01-17 EP EP83900522A patent/EP0112339B1/de not_active Expired
- 1983-06-15 CA CA000430411A patent/CA1215773A/en not_active Expired
- 1983-06-24 KR KR1019830002847A patent/KR860001201B1/ko not_active IP Right Cessation
-
1991
- 1991-11-28 JP JP3312861A patent/JPH05244604A/ja active Pending
- 1991-11-28 JP JP3312860A patent/JPH05244603A/ja active Pending
- 1991-11-28 JP JP3312862A patent/JPH05284507A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CA1215773A (en) | 1986-12-23 |
JPH05244604A (ja) | 1993-09-21 |
KR860001201B1 (ko) | 1986-08-25 |
KR840005295A (ko) | 1984-11-05 |
EP0112339B1 (de) | 1986-10-01 |
JPH05284507A (ja) | 1993-10-29 |
WO1984000272A1 (en) | 1984-01-19 |
US4476484A (en) | 1984-10-09 |
JPH05244603A (ja) | 1993-09-21 |
JPS59501187A (ja) | 1984-07-05 |
EP0112339A1 (de) | 1984-07-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN |
|
8339 | Ceased/non-payment of the annual fee |