GB8613312D0 - Separation overlay - Google Patents

Separation overlay

Info

Publication number
GB8613312D0
GB8613312D0 GB868613312A GB8613312A GB8613312D0 GB 8613312 D0 GB8613312 D0 GB 8613312D0 GB 868613312 A GB868613312 A GB 868613312A GB 8613312 A GB8613312 A GB 8613312A GB 8613312 D0 GB8613312 D0 GB 8613312D0
Authority
GB
United Kingdom
Prior art keywords
separation overlay
overlay
separation
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.)
Withdrawn
Application number
GB868613312A
Other versions
GB2176671A (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.)
ELECTROCRAFT CONSULTANTS Ltd
Original Assignee
ELECTROCRAFT CONSULTANTS Ltd
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 ELECTROCRAFT CONSULTANTS Ltd filed Critical ELECTROCRAFT CONSULTANTS Ltd
Publication of GB8613312D0 publication Critical patent/GB8613312D0/en
Publication of GB2176671A publication Critical patent/GB2176671A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H04N9/74—Circuits for processing colour signals for obtaining special effects
    • H04N9/75—Chroma key

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Studio Circuits (AREA)
GB08613312A 1985-05-31 1986-06-02 Separation overlay Withdrawn GB2176671A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858513776A GB8513776D0 (en) 1985-05-31 1985-05-31 Separation overlay

Publications (2)

Publication Number Publication Date
GB8613312D0 true GB8613312D0 (en) 1986-07-09
GB2176671A GB2176671A (en) 1986-12-31

Family

ID=10579981

Family Applications (2)

Application Number Title Priority Date Filing Date
GB858513776A Pending GB8513776D0 (en) 1985-05-31 1985-05-31 Separation overlay
GB08613312A Withdrawn GB2176671A (en) 1985-05-31 1986-06-02 Separation overlay

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB858513776A Pending GB8513776D0 (en) 1985-05-31 1985-05-31 Separation overlay

Country Status (1)

Country Link
GB (2) GB8513776D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4873568A (en) * 1988-09-19 1989-10-10 The Grass Valley Group, Inc. Digital video effects apparatus
JP3420504B2 (en) 1998-06-30 2003-06-23 キヤノン株式会社 Information processing method
GB0321083D0 (en) 2003-09-09 2003-10-08 British Telecomm Video communications method and system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4160994A (en) * 1975-06-07 1979-07-10 Sonex International Corp. Luminance key amplifier
FR2448821A1 (en) * 1979-02-12 1980-09-05 Telediffusion Fse METHOD AND SYSTEM FOR INTEGRATING COLOR TELEVISION IMAGES

Also Published As

Publication number Publication date
GB2176671A (en) 1986-12-31
GB8513776D0 (en) 1985-07-03

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)