DE69116009D1 - Dynamische Modifizierung eines Signals zur Erhaltung einer Reduzierung von Interferenzen in gleichzeitig übertragenen Signalen - Google Patents

Dynamische Modifizierung eines Signals zur Erhaltung einer Reduzierung von Interferenzen in gleichzeitig übertragenen Signalen

Info

Publication number
DE69116009D1
DE69116009D1 DE69116009T DE69116009T DE69116009D1 DE 69116009 D1 DE69116009 D1 DE 69116009D1 DE 69116009 T DE69116009 T DE 69116009T DE 69116009 T DE69116009 T DE 69116009T DE 69116009 D1 DE69116009 D1 DE 69116009D1
Authority
DE
Germany
Prior art keywords
interference
maintain
reduction
signal
transmitted signals
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 - Lifetime
Application number
DE69116009T
Other languages
English (en)
Inventor
M J Gans
Arun Narayan Netravali
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
AT&T Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AT&T Corp filed Critical AT&T Corp
Application granted granted Critical
Publication of DE69116009D1 publication Critical patent/DE69116009D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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)
  • Television Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
DE69116009T 1990-06-22 1991-06-19 Dynamische Modifizierung eines Signals zur Erhaltung einer Reduzierung von Interferenzen in gleichzeitig übertragenen Signalen Expired - Lifetime DE69116009D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/543,617 US5093725A (en) 1990-06-22 1990-06-22 Dynamic signal modification for achieving interference reduction in concurrently transmitted signals

Publications (1)

Publication Number Publication Date
DE69116009D1 true DE69116009D1 (de) 1996-02-15

Family

ID=24168799

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69116009T Expired - Lifetime DE69116009D1 (de) 1990-06-22 1991-06-19 Dynamische Modifizierung eines Signals zur Erhaltung einer Reduzierung von Interferenzen in gleichzeitig übertragenen Signalen

Country Status (5)

Country Link
US (1) US5093725A (de)
EP (1) EP0463799B1 (de)
JP (1) JPH04233381A (de)
CA (1) CA2045026C (de)
DE (1) DE69116009D1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8792013B2 (en) * 2012-04-23 2014-07-29 Qualcomm Technologies, Inc. Method for determining the extent of a foreground object in an image

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2219528C2 (de) * 1972-04-21 1974-04-04 Ted Bildplatten Ag, Aeg-Telefunken Teldec, Zug (Schweiz) System zum Aufzeichnen eines Videosignals und eines Tonsignals auf derselben Spur eines Aufzeichnungsträgers, insbesondere einer Bildplatte
GB1514556A (en) * 1975-09-24 1978-06-14 Decca Ltd Signal processor for reducing interference between frequency-modulated signals
GB2059722B (en) * 1979-09-19 1983-12-14 Marconi Co Ltd Satellite communication system
US4429327A (en) * 1981-07-31 1984-01-31 Rca Corporation Compatible television system with increased vertical resolution
FR2520572B1 (fr) * 1982-01-28 1986-01-17 Lgt Lab Gen Telecomm Systeme de correction de non-linearites par premodulation en frequences intermediaires dans un equipement de television
GB2132443A (en) * 1982-12-22 1984-07-04 Philips Electronic Associated Television transmission system
US4622578A (en) * 1983-01-28 1986-11-11 At&T Bell Laboratories Fully compatible high definition television
DE3343261A1 (de) * 1983-11-30 1985-06-05 Robert Bosch Gmbh, 7000 Stuttgart Schaltung zur verminderung des farbnebensprechens in einem farbfernsehcoder
JPS60153061U (ja) * 1984-03-21 1985-10-12 パイオニア株式会社 ノイズ除去回路
US4661850A (en) * 1986-01-31 1987-04-28 Rca Corporation Progressive scan television system with interlaced inter-field sum and difference components
US4694338A (en) * 1986-04-25 1987-09-15 North American Philips Corporation High-definition television transmission system
JPS63105586A (ja) * 1986-10-23 1988-05-10 Matsushita Electric Ind Co Ltd テレビジヨン信号処理方法
JPS6363295A (ja) * 1986-09-04 1988-03-19 Toshiba Corp テレビジヨン信号の構成方法
US4779133A (en) * 1986-10-23 1988-10-18 Nippon Television Network Corporation Low-noise television system
JPH07105929B2 (ja) * 1986-11-11 1995-11-13 松下電器産業株式会社 映像信号処理装置
US4731660A (en) * 1987-02-20 1988-03-15 Yves C. Faroudja Processing methods using adaptive threshold for removal of chroma/luminance cross-talk in quadrature-modulated subcarrier color television systems
US4907087A (en) * 1987-06-10 1990-03-06 Massachusetts Institute Of Technology Transmission of signals through analog channels using adaptive frequency modulation
JPH01117573A (ja) * 1987-10-30 1989-05-10 Pioneer Electron Corp ビデオ信号のノイズ抑制装置
US4905084A (en) * 1989-01-30 1990-02-27 Carole Broadcasting Technologies, Inc. Compatible and spectrum efficient high definition television
JPH0810927B2 (ja) * 1989-06-07 1996-01-31 株式会社東芝 多重信号伝送及び受信装置及びその方法
EP0406966A1 (de) * 1989-07-07 1991-01-09 Koninklijke Philips Electronics N.V. Erweitertes zusammengestelltes Fernsehsystem

Also Published As

Publication number Publication date
EP0463799B1 (de) 1996-01-03
EP0463799A2 (de) 1992-01-02
US5093725A (en) 1992-03-03
EP0463799A3 (en) 1992-04-29
CA2045026C (en) 1996-01-09
JPH04233381A (ja) 1992-08-21
CA2045026A1 (en) 1991-12-23

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Legal Events

Date Code Title Description
8332 No legal effect for de