DE69113522D1 - Technik zur Geisterbildauslöschung für analoges Fernsehen. - Google Patents
Technik zur Geisterbildauslöschung für analoges Fernsehen.Info
- Publication number
- DE69113522D1 DE69113522D1 DE69113522T DE69113522T DE69113522D1 DE 69113522 D1 DE69113522 D1 DE 69113522D1 DE 69113522 T DE69113522 T DE 69113522T DE 69113522 T DE69113522 T DE 69113522T DE 69113522 D1 DE69113522 D1 DE 69113522D1
- Authority
- DE
- Germany
- Prior art keywords
- ghosting
- technology
- analog television
- television
- analog
- 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
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
- H04N5/211—Ghost signal cancellation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Filters That Use Time-Delay Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/542,612 US5119196A (en) | 1990-06-25 | 1990-06-25 | Ghost cancellation of analog tv signals |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69113522D1 true DE69113522D1 (de) | 1995-11-09 |
DE69113522T2 DE69113522T2 (de) | 1996-04-04 |
Family
ID=24164572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69113522T Expired - Fee Related DE69113522T2 (de) | 1990-06-25 | 1991-06-17 | Technik zur Geisterbildauslöschung für analoges Fernsehen. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5119196A (de) |
EP (1) | EP0463781B1 (de) |
JP (1) | JP2695541B2 (de) |
DE (1) | DE69113522T2 (de) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5278872A (en) * | 1991-05-28 | 1994-01-11 | North American Philips Corporation | System and circuit architecture for echo cancellation and a television receiver comprising same |
GB9112570D0 (en) * | 1991-06-11 | 1991-07-31 | Inmos Ltd | Video signal processing |
US5361102A (en) * | 1991-09-04 | 1994-11-01 | Samsung Electronics Co., Ltd. | System to cancel ghosts in NTSC television transmission |
US5285280A (en) * | 1993-03-19 | 1994-02-08 | Industrial Technology Research Institute | Division method and system for ghost cancellation |
US5818517A (en) * | 1993-11-12 | 1998-10-06 | Northern Telecom Limited | Broadband interference reduction |
US5533063A (en) * | 1994-01-31 | 1996-07-02 | The Regents Of The University Of California | Method and apparatus for multipath channel shaping |
US5648987A (en) * | 1994-03-24 | 1997-07-15 | Samsung Electronics Co., Ltd. | Rapid-update adaptive channel-equalization filtering for digital radio receivers, such as HDTV receivers |
US5852612A (en) * | 1995-03-16 | 1998-12-22 | Bell Atlantic Network Services, Inc. | Terminal for receiving simulcast digital video programs |
US5822324A (en) * | 1995-03-16 | 1998-10-13 | Bell Atlantic Network Services, Inc. | Simulcasting digital video programs for broadcast and interactive services |
US5651010A (en) * | 1995-03-16 | 1997-07-22 | Bell Atlantic Network Services, Inc. | Simultaneous overlapping broadcasting of digital programs |
US5666365A (en) * | 1995-03-16 | 1997-09-09 | Bell Atlantic Network Services, Inc. | Simulcast transmission of digital programs to shared antenna receiving systems |
US5745396A (en) * | 1995-04-28 | 1998-04-28 | Lucent Technologies Inc. | Pipelined adaptive IIR filter |
US5654766A (en) * | 1995-06-29 | 1997-08-05 | Philips Electronics North America Corporation | Television tuning systems and methods employing use of ghost cancellation and antenna directionality control to produce a ghost-free television signal |
US5751347A (en) * | 1996-03-26 | 1998-05-12 | Harris Corporation | Vestigial sideband test signal generator and method |
US6177951B1 (en) * | 1996-12-18 | 2001-01-23 | Philips Electronics North America Corporation | Digital receiver which utilizes a rejection filter for cancellation of known co-channel interference and an equalizer for equalizing multipath channels without attempting to equalize the co-channel interference |
US5946351A (en) * | 1996-12-27 | 1999-08-31 | At&T Corporation | Tap selectable decision feedback equalizer |
US5835895A (en) * | 1997-08-13 | 1998-11-10 | Microsoft Corporation | Infinite impulse response filter for 3D sound with tap delay line initialization |
KR100269130B1 (ko) * | 1997-11-21 | 2000-10-16 | 윤종용 | 단일고스트제거기를갖는디지털/아날로그tv방송공용수신기와고스트제거방법 |
JPH11223568A (ja) * | 1998-02-06 | 1999-08-17 | Mitsubishi Electric Corp | 半導体圧力検出装置 |
US6115418A (en) * | 1998-02-09 | 2000-09-05 | National Semiconductor Corporation | Simplified equalizer for twisted pair channel |
JPH11230845A (ja) * | 1998-02-17 | 1999-08-27 | Mitsubishi Electric Corp | 半導体圧力検出装置 |
US6415003B1 (en) | 1998-09-11 | 2002-07-02 | National Semiconductor Corporation | Digital baseline wander correction circuit |
GB2341763B (en) * | 1998-09-15 | 2000-09-13 | 3Com Technologies Ltd | Data receiver including hybrid decision feedback equalizer |
US6438163B1 (en) | 1998-09-25 | 2002-08-20 | National Semiconductor Corporation | Cable length and quality indicator |
US6122015A (en) * | 1998-12-07 | 2000-09-19 | General Electric Company | Method and apparatus for filtering digital television signals |
DE19857039A1 (de) | 1998-12-10 | 2000-06-21 | Siemens Ag | Mikroelektronische Struktur |
DE19857030A1 (de) * | 1998-12-10 | 2000-06-15 | Thomson Brandt Gmbh | Verfahren zur Wiederherstellung eines Videosignals |
US6700930B1 (en) * | 1999-04-01 | 2004-03-02 | Zenith Electronics Corporation | Ghost eliminating equalizer |
US6418172B1 (en) | 1999-04-21 | 2002-07-09 | National Semiconductor Corporation | Look-ahead maximum likelihood sequence estimation decoder |
KR100606042B1 (ko) | 1999-07-07 | 2006-07-28 | 삼성전자주식회사 | 수신신호상태 표시장치 및 방법 |
US6608862B1 (en) * | 1999-08-20 | 2003-08-19 | Ericsson, Inc. | Method and apparatus for computing prefilter coefficients |
US6493329B1 (en) * | 1999-08-23 | 2002-12-10 | Qualcomm Incorporated | Adaptive channel estimation in a wireless communication system |
US6417805B1 (en) * | 1999-10-21 | 2002-07-09 | General Electric Company | Three-dimensional channel sounder for DTV receivers |
US7254198B1 (en) | 2000-04-28 | 2007-08-07 | National Semiconductor Corporation | Receiver system having analog pre-filter and digital equalizer |
US7050517B1 (en) | 2000-04-28 | 2006-05-23 | National Semiconductor Corporation | System and method suitable for receiving gigabit ethernet signals |
US7038733B2 (en) | 2002-01-30 | 2006-05-02 | Ericsson Inc. | Television receivers and methods for processing signal sample streams synchronously with line/frame patterns |
DE10351793B4 (de) * | 2003-11-06 | 2006-01-12 | Herbert Buchner | Adaptive Filtervorrichtung und Verfahren zum Verarbeiten eines akustischen Eingangssignals |
CN101436876B (zh) * | 2008-11-26 | 2013-03-20 | 华为技术有限公司 | 一种对消测试信号的方法和系统 |
US11610597B2 (en) | 2020-05-29 | 2023-03-21 | Shure Acquisition Holdings, Inc. | Anti-causal filter for audio signal processing |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5455321A (en) * | 1977-10-13 | 1979-05-02 | Sony Corp | Television receiver |
US4371266A (en) * | 1980-08-14 | 1983-02-01 | Rca Corporation | Television ghost detector system |
US4367489A (en) * | 1980-08-14 | 1983-01-04 | Rca Corporation | Television ghost detection and cancellation system controlled over several lines of a vertical retrace interval |
JPS5776910A (en) * | 1980-10-29 | 1982-05-14 | Matsushita Electric Ind Co Ltd | Ghost rejecting device |
JPS57104382A (en) * | 1980-12-22 | 1982-06-29 | Hitachi Ltd | Ghost rejecting device for television receiver |
US4359778A (en) * | 1981-02-05 | 1982-11-16 | Zenith Radio Corporation | Channel equalizer and method for cancelling ghosts |
US4413282A (en) * | 1981-04-06 | 1983-11-01 | Rca Corporation | Television ghost signal detection during the video information interval |
JPS58115987A (ja) * | 1981-12-28 | 1983-07-09 | Sony Corp | ゴ−スト除去装置 |
US4559450A (en) * | 1982-08-06 | 1985-12-17 | Unisearch Limited | Quantitative compositional analyser for use with scanning electron microscopes |
US4564862A (en) * | 1982-08-09 | 1986-01-14 | Edwin Cohen | Ghost signal elimination circuit |
JPS59103477A (ja) * | 1982-12-06 | 1984-06-14 | Toshiba Corp | メモリデ−タ処理装置 |
JPS59211388A (ja) * | 1983-05-17 | 1984-11-30 | Toshiba Corp | ゴ−スト除去装置 |
US4698680A (en) * | 1985-12-24 | 1987-10-06 | Rca Corporation | Digital correlation apparatus as for a television deghosting system |
US4727424A (en) * | 1986-10-16 | 1988-02-23 | Rca Corporation | Sampled data filtering system, including a crossbar switch matrix, as for a ghost cancellation system |
JPS6432577A (en) * | 1987-04-07 | 1989-02-02 | Japan Radio Co Ltd | Ghost canceller |
JP2534737B2 (ja) * | 1987-11-24 | 1996-09-18 | 日本電気ホームエレクトロニクス株式会社 | ゴ―スト除去用フィルタ回路 |
US4864403A (en) * | 1988-02-08 | 1989-09-05 | Rca Licensing Corporation | Adaptive television ghost cancellation system including filter circuitry with non-integer sample delay |
US4941049A (en) * | 1989-01-17 | 1990-07-10 | Zenith Electronics Corporation | Television system using reversing scan which minimizes ghost visibility |
US5047859A (en) * | 1990-10-09 | 1991-09-10 | North American Philips Corporation | Method and apparatus for communication channel identification and signal restoration |
-
1990
- 1990-06-25 US US07/542,612 patent/US5119196A/en not_active Expired - Lifetime
-
1991
- 1991-06-12 JP JP3166119A patent/JP2695541B2/ja not_active Expired - Fee Related
- 1991-06-17 DE DE69113522T patent/DE69113522T2/de not_active Expired - Fee Related
- 1991-06-17 EP EP91305471A patent/EP0463781B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0723255A (ja) | 1995-01-24 |
DE69113522T2 (de) | 1996-04-04 |
EP0463781B1 (de) | 1995-10-04 |
US5119196A (en) | 1992-06-02 |
EP0463781A3 (en) | 1992-05-27 |
JP2695541B2 (ja) | 1997-12-24 |
EP0463781A2 (de) | 1992-01-02 |
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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 |