CN1112040C - 视频传输的行同步跳频或帧同步跳频的方法和装置 - Google Patents
视频传输的行同步跳频或帧同步跳频的方法和装置 Download PDFInfo
- Publication number
- CN1112040C CN1112040C CN98802179A CN98802179A CN1112040C CN 1112040 C CN1112040 C CN 1112040C CN 98802179 A CN98802179 A CN 98802179A CN 98802179 A CN98802179 A CN 98802179A CN 1112040 C CN1112040 C CN 1112040C
- Authority
- CN
- China
- Prior art keywords
- frequency
- signal
- frequency hopping
- vision signal
- frame
- 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
Images
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
- H04B1/715—Interference-related aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
- H04B1/7156—Arrangements for sequence synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Television Systems (AREA)
Abstract
Description
Claims (22)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/791,862 US5859664A (en) | 1997-01-31 | 1997-01-31 | Method and apparatus for line or frame-synchronous frequency hopping of video transmissions |
US08/791,862 | 1997-01-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1246223A CN1246223A (zh) | 2000-03-01 |
CN1112040C true CN1112040C (zh) | 2003-06-18 |
Family
ID=25155009
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98802179A Expired - Fee Related CN1112040C (zh) | 1997-01-31 | 1998-01-28 | 视频传输的行同步跳频或帧同步跳频的方法和装置 |
Country Status (9)
Country | Link |
---|---|
US (1) | US5859664A (zh) |
EP (1) | EP0956700B1 (zh) |
JP (1) | JP4165662B2 (zh) |
CN (1) | CN1112040C (zh) |
AU (1) | AU6137198A (zh) |
CA (1) | CA2278091C (zh) |
DE (1) | DE69837985T2 (zh) |
TW (1) | TW393865B (zh) |
WO (1) | WO1998034402A2 (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6810377B1 (en) * | 1998-06-19 | 2004-10-26 | Comsat Corporation | Lost frame recovery techniques for parametric, LPC-based speech coding systems |
JP2000307972A (ja) * | 1999-04-26 | 2000-11-02 | Mitsubishi Electric Corp | 半導体集積回路 |
US6748005B1 (en) * | 1999-08-02 | 2004-06-08 | Lucent Technologies Inc. | Methods and apparatus for providing a direct frequency hopping wireless interface with a personal computer |
FR2828367B1 (fr) * | 2001-08-01 | 2003-12-05 | Thomson Licensing Sa | Methode et dispositif d'installation de programmes de diffusion |
US6985174B1 (en) * | 2001-10-30 | 2006-01-10 | Logitech Europe S.A. | Dynamic radio frequency interference detection and correction |
US20040125239A1 (en) * | 2002-12-26 | 2004-07-01 | David Rahn | Television tuner supporting channel hopping |
JP4955660B2 (ja) * | 2005-05-13 | 2012-06-20 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | 高速周波数ホッピング無線通信のシステム |
FR2891968B1 (fr) * | 2005-10-12 | 2008-01-18 | Valeo Electronique Sys Liaison | Systeme de communication entre une unite d'acquisition d'images video et un ordinateur de bord pour un vehicule automobile |
US8406715B2 (en) * | 2008-03-27 | 2013-03-26 | Panasonic Automotive Systems of America, division of Panasonic Corporation of North America | Method and apparatus for dynamically adapting FM tuner sensitivity to a local environment for a single-tuner system |
EP2923456A1 (en) * | 2012-11-23 | 2015-09-30 | Omarco Network Solutions Limited | Method of compensating for signal degradation in transmission systems |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IE53125B1 (en) * | 1981-06-19 | 1988-07-06 | Marconi Co Ltd | Radio communications apparatus |
ATE15425T1 (de) * | 1981-06-22 | 1985-09-15 | Marconi Co Ltd | Funkverbindungsempfaenger. |
EP0208425A3 (en) * | 1985-06-13 | 1988-01-13 | Devon County Council | Television sub-carrier transmission |
US4890283A (en) * | 1987-11-19 | 1989-12-26 | North American Philips Corporation | High definition television augmentation channel |
SE463540B (sv) * | 1988-09-19 | 1990-12-03 | Ericsson Telefon Ab L M | Saett foer att i ett radiokommunikationssystem digitalisera godtyckliga radiosignaler samt anordning foer utoevande av saettet |
US5127021A (en) * | 1991-07-12 | 1992-06-30 | Schreiber William F | Spread spectrum television transmission |
US5140610A (en) * | 1991-10-08 | 1992-08-18 | The United States Of America As Represented By The Secretary Of The Army | FM video data link spectrum spreading |
US5425050A (en) * | 1992-10-23 | 1995-06-13 | Massachusetts Institute Of Technology | Television transmission system using spread spectrum and orthogonal frequency-division multiplex |
US5311543A (en) * | 1992-10-23 | 1994-05-10 | Schreiber William F | Television transmission system using two stages of spead-spectrum processing |
US5412687A (en) * | 1993-10-15 | 1995-05-02 | Proxim Incorporated | Digital communications equipment using differential quaternary frequency shift keying |
GB2288300A (en) * | 1994-04-05 | 1995-10-11 | Christopher Robert Turner | Video surveillance system using spread spectrum radio communication |
US5737026A (en) * | 1995-02-28 | 1998-04-07 | Nielsen Media Research, Inc. | Video and data co-channel communication system |
US5659353A (en) * | 1995-03-17 | 1997-08-19 | Bell Atlantic Network Services, Inc. | Television distribution system and method |
WO1996029824A1 (en) * | 1995-03-17 | 1996-09-26 | Bell Atlantic Network Services, Inc. | Television distribution system and method |
US5712866A (en) * | 1995-07-18 | 1998-01-27 | Westinghouse Electric Corporation | Small low powered digital transmitter for covert remote surveillance |
-
1997
- 1997-01-31 US US08/791,862 patent/US5859664A/en not_active Expired - Lifetime
-
1998
- 1998-01-26 TW TW087101121A patent/TW393865B/zh active
- 1998-01-28 WO PCT/US1998/001720 patent/WO1998034402A2/en active IP Right Grant
- 1998-01-28 EP EP98906036A patent/EP0956700B1/en not_active Expired - Lifetime
- 1998-01-28 CN CN98802179A patent/CN1112040C/zh not_active Expired - Fee Related
- 1998-01-28 AU AU61371/98A patent/AU6137198A/en not_active Abandoned
- 1998-01-28 CA CA002278091A patent/CA2278091C/en not_active Expired - Fee Related
- 1998-01-28 JP JP53305898A patent/JP4165662B2/ja not_active Expired - Fee Related
- 1998-01-28 DE DE69837985T patent/DE69837985T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5859664A (en) | 1999-01-12 |
DE69837985D1 (de) | 2007-08-09 |
EP0956700A2 (en) | 1999-11-17 |
TW393865B (en) | 2000-06-11 |
WO1998034402A3 (en) | 1998-09-17 |
DE69837985T2 (de) | 2009-01-08 |
EP0956700B1 (en) | 2007-06-27 |
JP4165662B2 (ja) | 2008-10-15 |
AU6137198A (en) | 1998-08-25 |
CN1246223A (zh) | 2000-03-01 |
CA2278091C (en) | 2008-11-18 |
WO1998034402A2 (en) | 1998-08-06 |
JP2001510656A (ja) | 2001-07-31 |
CA2278091A1 (en) | 1998-08-06 |
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Legal Events
Date | Code | Title | Description |
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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 | ||
ASS | Succession or assignment of patent right |
Owner name: UNWIRED PLANET INC. Free format text: FORMER OWNER: CLUSTER CO., LTD. Effective date: 20130617 Owner name: CLUSTER CO., LTD. Free format text: FORMER OWNER: ERICSSON CO. Effective date: 20130617 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130617 Address after: Nevada Patentee after: Wireless Planet LLC Address before: Delaware Patentee before: Clastres LLC Effective date of registration: 20130617 Address after: Delaware Patentee after: Clastres LLC Address before: North Carolina Patentee before: ERICSSON Inc. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030618 Termination date: 20150128 |
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EXPY | Termination of patent right or utility model |