DE69709645D1 - Videosignalverarbeitungsvorrichtung - Google Patents

Videosignalverarbeitungsvorrichtung

Info

Publication number
DE69709645D1
DE69709645D1 DE69709645T DE69709645T DE69709645D1 DE 69709645 D1 DE69709645 D1 DE 69709645D1 DE 69709645 T DE69709645 T DE 69709645T DE 69709645 T DE69709645 T DE 69709645T DE 69709645 D1 DE69709645 D1 DE 69709645D1
Authority
DE
Germany
Prior art keywords
processing device
signal processing
video signal
video
signal
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
DE69709645T
Other languages
English (en)
Other versions
DE69709645T2 (de
Inventor
Francis Rumreich
Thomas Keen
Alan Hague
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.)
Technicolor USA Inc
Original Assignee
Thomson Consumer Electronics Inc
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
Priority claimed from US08/687,284 external-priority patent/US6002447A/en
Application filed by Thomson Consumer Electronics Inc filed Critical Thomson Consumer Electronics Inc
Publication of DE69709645D1 publication Critical patent/DE69709645D1/de
Application granted granted Critical
Publication of DE69709645T2 publication Critical patent/DE69709645T2/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
    • H04N7/08—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
    • H04N7/087—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 blanking interval only
    • H04N7/088—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 blanking interval only the inserted signal being digital
    • 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
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
    • H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
DE69709645T 1996-07-25 1997-07-25 Videosignalverarbeitungsvorrichtung Expired - Lifetime DE69709645T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/687,284 US6002447A (en) 1996-03-07 1996-07-25 Video signal processing apparatus
PCT/US1997/013108 WO1998005170A1 (en) 1996-07-25 1997-07-25 Video signal processing apparatus

Publications (2)

Publication Number Publication Date
DE69709645D1 true DE69709645D1 (de) 2002-02-21
DE69709645T2 DE69709645T2 (de) 2002-11-14

Family

ID=24759829

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69709645T Expired - Lifetime DE69709645T2 (de) 1996-07-25 1997-07-25 Videosignalverarbeitungsvorrichtung

Country Status (6)

Country Link
EP (1) EP0913060B1 (de)
JP (1) JP4031834B2 (de)
CN (1) CN1145367C (de)
DE (1) DE69709645T2 (de)
HK (1) HK1020822A1 (de)
WO (1) WO1998005170A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6337899B1 (en) * 1998-03-31 2002-01-08 International Business Machines Corporation Speaker verification for authorizing updates to user subscription service received by internet service provider (ISP) using an intelligent peripheral (IP) in an advanced intelligent network (AIN)
EP0969657A1 (de) * 1998-06-29 2000-01-05 NuWave Technologies, Inc. Verfahren und Vorrichtung zum verbessern der sichtbaren Bildklarheit
EP1264489B1 (de) * 2000-03-17 2003-09-03 Thomson Licensing S.A. Verfahren und vorrichtung zur verhinderung der datenverfälschung durch videobezogene verbesserungen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4386369A (en) * 1981-09-22 1983-05-31 Rca Corporation Compensated clamping circuit in a video signal peaking system
US5202765A (en) * 1991-05-06 1993-04-13 Thomson Consumer Electronics, Inc. Television receiver with picture in picture and non-linear processing
KR950000326B1 (ko) * 1991-12-27 1995-01-13 삼성전자 주식회사 윤곽보정장치

Also Published As

Publication number Publication date
WO1998005170A1 (en) 1998-02-05
DE69709645T2 (de) 2002-11-14
EP0913060A1 (de) 1999-05-06
CN1226362A (zh) 1999-08-18
JP2001508604A (ja) 2001-06-26
CN1145367C (zh) 2004-04-07
EP0913060B1 (de) 2002-01-16
JP4031834B2 (ja) 2008-01-09
HK1020822A1 (en) 2000-05-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition