DE68922741D1 - Übertragungssystem von b-mac-fernsehsignalen mit hoher auflösung. - Google Patents
Übertragungssystem von b-mac-fernsehsignalen mit hoher auflösung.Info
- Publication number
- DE68922741D1 DE68922741D1 DE68922741T DE68922741T DE68922741D1 DE 68922741 D1 DE68922741 D1 DE 68922741D1 DE 68922741 T DE68922741 T DE 68922741T DE 68922741 T DE68922741 T DE 68922741T DE 68922741 D1 DE68922741 D1 DE 68922741D1
- Authority
- DE
- Germany
- Prior art keywords
- resolution
- standard
- definition television
- high frequency
- television
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
- H04N7/083—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical and the horizontal blanking interval, e.g. MAC data signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
- H04N11/24—High-definition television systems
- H04N11/28—High-definition television systems involving bandwidth reduction, e.g. subsampling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Television Systems (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Color Television Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/255,317 US5053859A (en) | 1987-09-02 | 1988-10-11 | High definition B-MAC television signal transmission system |
PCT/US1989/004431 WO1990004309A1 (en) | 1988-10-11 | 1989-10-10 | High definition b-mac television signal transmission system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68922741D1 true DE68922741D1 (de) | 1995-06-22 |
DE68922741T2 DE68922741T2 (de) | 1995-09-14 |
Family
ID=22967775
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68922741T Expired - Fee Related DE68922741T2 (de) | 1988-10-11 | 1989-10-10 | Übertragungssystem von b-mac-fernsehsignalen mit hoher auflösung. |
Country Status (10)
Country | Link |
---|---|
US (1) | US5053859A (de) |
EP (1) | EP0438506B1 (de) |
JP (1) | JPH04502988A (de) |
CN (1) | CN1045011A (de) |
AT (1) | ATE122836T1 (de) |
AU (1) | AU626765B2 (de) |
CA (1) | CA2000292A1 (de) |
DE (1) | DE68922741T2 (de) |
MX (1) | MX169920B (de) |
WO (1) | WO1990004309A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02209094A (ja) * | 1989-02-09 | 1990-08-20 | Matsushita Electric Ind Co Ltd | サンプリング周波数低域変換装置およびサンプリング周波数高域変換装置 |
MY108674A (en) * | 1990-03-07 | 1996-10-31 | Thomson Brandt Gmbh | Television transmission system |
JPH05260451A (ja) * | 1992-02-28 | 1993-10-08 | Nec Corp | 画像符号化処理用lsi |
US5408270A (en) * | 1993-06-24 | 1995-04-18 | Massachusetts Institute Of Technology | Advanced television system |
US5771073A (en) * | 1995-06-07 | 1998-06-23 | Massachusetts Institute Of Technology | Advanced television system using a different encoding technique for non-image areas |
US6711214B1 (en) * | 2000-04-07 | 2004-03-23 | Adc Broadband Wireless Group, Inc. | Reduced bandwidth transmitter method and apparatus |
GB2455979A (en) * | 2007-12-24 | 2009-07-01 | British Broadcasting Corp | Video processing using quincunx sub-sampling |
Family Cites Families (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53139925A (en) * | 1977-05-13 | 1978-12-06 | Hitachi Ltd | Receiving method for video signal |
DE2837120A1 (de) * | 1977-09-01 | 1979-03-15 | British Broadcasting Corp | Verfahren und anordnung zur verarbeitung von pal-farbfernsehsignalen in digitaler form |
GB2040640B (en) * | 1979-01-26 | 1983-09-01 | British Broadcasting Corp | Digitising an ntsc television signal |
GB2047041B (en) * | 1979-03-22 | 1983-06-15 | Micro Consultants Ltd | Digital still picture storage system |
DE2938349C2 (de) * | 1979-09-21 | 1983-05-26 | Aeg-Telefunken Ag, 1000 Berlin Und 6000 Frankfurt | Schaltungsanordnung zur kompatiblen Auflösungserhöhung bei Fernsehsystemen |
JPS56102180A (en) * | 1980-01-18 | 1981-08-15 | Nippon Hoso Kyokai <Nhk> | Picture signal encoding system |
US4323916A (en) * | 1980-02-07 | 1982-04-06 | Rca Corporation | Data rate reduction for digital video signals by subsampling and adaptive reconstruction |
US4322739A (en) * | 1980-04-07 | 1982-03-30 | British Broadcasting Corporation | Processing of N.T.S.C. color television signals |
GB2101835B (en) * | 1981-07-09 | 1985-10-09 | British Broadcasting Corp | Colour television systems |
US4449143A (en) * | 1981-10-26 | 1984-05-15 | Rca Corporation | Transcodeable vertically scanned high-definition television system |
US4551753A (en) * | 1981-12-17 | 1985-11-05 | Nippon Hoso Kyokai | Picture signal processing system including spatio-temporal filter |
EP0102965B1 (de) * | 1982-01-29 | 1986-09-17 | Independent Broadcasting Authority | Filter zur erweiterung der auflösung eines fernsehsignals in komponentenform |
JPS58137377A (ja) * | 1982-02-09 | 1983-08-15 | Victor Co Of Japan Ltd | デイジタルビデオ信号伝送装置 |
DE3211323C2 (de) * | 1982-03-27 | 1984-02-09 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | System zur redundanzvermindernden digitalen Übertragung von Fernsehbildsignalen |
GB2126822B (en) * | 1982-07-30 | 1986-08-06 | British Broadcasting Corp | Video signal processing |
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 |
JPS59182686A (ja) * | 1983-04-01 | 1984-10-17 | Hitachi Ltd | 画像信号処理方式 |
JPS59201594A (ja) * | 1983-04-22 | 1984-11-15 | Victor Co Of Japan Ltd | デイジタルビデオ信号再生装置 |
JPS58212282A (ja) * | 1983-05-27 | 1983-12-09 | Hitachi Ltd | テレビジョン信号の標本化再生回路 |
JPS60134692A (ja) * | 1983-12-23 | 1985-07-17 | Hitachi Ltd | テレビジヨン装置 |
US4622577A (en) * | 1984-02-03 | 1986-11-11 | Rca Corporation | Decoder for extracting a 4:3 aspect ratio signal from a high definition television signal |
US4621287A (en) * | 1984-05-29 | 1986-11-04 | Rca Corporation | Time-multiplexing of an interleaved spectrum of a television signal |
US4621286A (en) * | 1984-05-29 | 1986-11-04 | Rca Corporation | Spatial-temporal frequency interleaved processing of a television signal with reduced amplitude interleaved sections |
DE3435265A1 (de) * | 1984-09-26 | 1986-04-03 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Verfahren zur aufloesungserhoehung fuer ein kompatibles fernsehsystem |
US4603350A (en) * | 1984-12-21 | 1986-07-29 | Rca Corporation | Interlaced digital video input filter/decimator and/or expander/interpolator filter |
US4672424A (en) * | 1985-02-14 | 1987-06-09 | Rca Corporation | Progressively scanned television system with reduced chrominance bandwidth |
US4651208A (en) * | 1985-03-18 | 1987-03-17 | Scientific Atlanta, Inc. | Compatibility of widescreen and non-widescreen television transmissions |
US4665436A (en) * | 1985-12-20 | 1987-05-12 | Osborne Joseph A | Narrow bandwidth signal transmission |
GB8620110D0 (en) * | 1986-08-19 | 1986-10-01 | British Broadcasting Corp | Video transmission system |
US4661850A (en) * | 1986-01-31 | 1987-04-28 | Rca Corporation | Progressive scan television system with interlaced inter-field sum and difference components |
JPS62274994A (ja) * | 1986-05-23 | 1987-11-28 | Nippon Hoso Kyokai <Nhk> | 画像信号の帯域圧縮方式 |
JP2653787B2 (ja) * | 1987-01-28 | 1997-09-17 | ソニー株式会社 | 記録再生装置 |
-
1988
- 1988-10-11 US US07/255,317 patent/US5053859A/en not_active Expired - Lifetime
-
1989
- 1989-10-06 CA CA002000292A patent/CA2000292A1/en not_active Abandoned
- 1989-10-09 MX MX017896A patent/MX169920B/es unknown
- 1989-10-10 JP JP1511248A patent/JPH04502988A/ja active Pending
- 1989-10-10 DE DE68922741T patent/DE68922741T2/de not_active Expired - Fee Related
- 1989-10-10 WO PCT/US1989/004431 patent/WO1990004309A1/en active IP Right Grant
- 1989-10-10 AT AT89912040T patent/ATE122836T1/de not_active IP Right Cessation
- 1989-10-10 EP EP89912040A patent/EP0438506B1/de not_active Expired - Lifetime
- 1989-10-10 AU AU44894/89A patent/AU626765B2/en not_active Ceased
- 1989-10-11 CN CN89108593A patent/CN1045011A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
ATE122836T1 (de) | 1995-06-15 |
CA2000292A1 (en) | 1990-04-11 |
DE68922741T2 (de) | 1995-09-14 |
AU626765B2 (en) | 1992-08-06 |
EP0438506A1 (de) | 1991-07-31 |
EP0438506B1 (de) | 1995-05-17 |
US5053859A (en) | 1991-10-01 |
EP0438506A4 (en) | 1992-06-03 |
MX169920B (es) | 1993-07-30 |
JPH04502988A (ja) | 1992-05-28 |
CN1045011A (zh) | 1990-08-29 |
WO1990004309A1 (en) | 1990-04-19 |
AU4489489A (en) | 1990-05-01 |
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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 |