FR2464606B1 - - Google Patents

Info

Publication number
FR2464606B1
FR2464606B1 FR8019314A FR8019314A FR2464606B1 FR 2464606 B1 FR2464606 B1 FR 2464606B1 FR 8019314 A FR8019314 A FR 8019314A FR 8019314 A FR8019314 A FR 8019314A FR 2464606 B1 FR2464606 B1 FR 2464606B1
Authority
FR
France
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
Application number
FR8019314A
Other languages
French (fr)
Other versions
FR2464606A1 (en
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.)
Grass Valley Group Inc
Original Assignee
Grass Valley Group 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
Application filed by Grass Valley Group Inc filed Critical Grass Valley Group Inc
Publication of FR2464606A1 publication Critical patent/FR2464606A1/en
Application granted granted Critical
Publication of FR2464606B1 publication Critical patent/FR2464606B1/fr
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/64Circuits for processing colour signals
    • H04N9/74Circuits for processing colour signals for obtaining special effects
    • H04N9/75Chroma key

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
FR8019314A 1979-09-04 1980-09-03 IMAGE CUTTING SYSTEM FOR COLOR TELEVISION Granted FR2464606A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7195679A 1979-09-04 1979-09-04

Publications (2)

Publication Number Publication Date
FR2464606A1 FR2464606A1 (en) 1981-03-06
FR2464606B1 true FR2464606B1 (en) 1983-12-23

Family

ID=22104655

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8019314A Granted FR2464606A1 (en) 1979-09-04 1980-09-03 IMAGE CUTTING SYSTEM FOR COLOR TELEVISION

Country Status (6)

Country Link
JP (1) JPS604638B2 (en)
CA (1) CA1165433A (en)
DE (1) DE3032629C2 (en)
FR (1) FR2464606A1 (en)
GB (1) GB2059219B (en)
NL (1) NL8004868A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4408221A (en) * 1981-09-22 1983-10-04 Mccoy Reginald F H Television chroma-key systems
JPS60501680A (en) * 1983-06-13 1985-10-03 アルテイマツト コ−ポレ−シヨン Automatically encoded signal color image synthesis
JPS6266791A (en) * 1985-09-16 1987-03-26 ザ・グラス・バレ−・グル−プ・インコ−ポレイテツド Chroma-key unit
US4947255A (en) * 1988-09-19 1990-08-07 The Grass Valley Group, Inc. Video luminance self keyer
GB9109999D0 (en) * 1991-05-09 1991-07-03 Quantel Ltd Improvements in or relating to keying systems and methods for television image processing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778542A (en) * 1970-11-30 1973-12-11 Technicolor Blue screen travelling matte system
NL7509871A (en) * 1975-08-20 1977-02-22 Philips Nv COLOR TV CHROMA KEY SIGNAL GENERATOR.
US4041527A (en) * 1976-03-15 1977-08-09 The Grass Valley Group, Inc. Video effects generator

Also Published As

Publication number Publication date
DE3032629A1 (en) 1981-03-26
NL8004868A (en) 1981-03-06
DE3032629C2 (en) 1982-09-23
GB2059219B (en) 1984-05-16
FR2464606A1 (en) 1981-03-06
JPS604638B2 (en) 1985-02-05
JPS5637786A (en) 1981-04-11
GB2059219A (en) 1981-04-15
CA1165433A (en) 1984-04-10

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Legal Events

Date Code Title Description
ST Notification of lapse