GB2044036B - Colour separation overlay of television signals - Google Patents

Colour separation overlay of television signals

Info

Publication number
GB2044036B
GB2044036B GB7908380A GB7908380A GB2044036B GB 2044036 B GB2044036 B GB 2044036B GB 7908380 A GB7908380 A GB 7908380A GB 7908380 A GB7908380 A GB 7908380A GB 2044036 B GB2044036 B GB 2044036B
Authority
GB
United Kingdom
Prior art keywords
television signals
colour separation
separation overlay
overlay
colour
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
Application number
GB7908380A
Other versions
GB2044036A (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.)
British Broadcasting Corp
Original Assignee
British Broadcasting 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 British Broadcasting Corp filed Critical British Broadcasting Corp
Priority to GB7908380A priority Critical patent/GB2044036B/en
Publication of GB2044036A publication Critical patent/GB2044036A/en
Application granted granted Critical
Publication of GB2044036B publication Critical patent/GB2044036B/en
Expired 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
GB7908380A 1979-03-09 1979-03-09 Colour separation overlay of television signals Expired GB2044036B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7908380A GB2044036B (en) 1979-03-09 1979-03-09 Colour separation overlay of television signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7908380A GB2044036B (en) 1979-03-09 1979-03-09 Colour separation overlay of television signals

Publications (2)

Publication Number Publication Date
GB2044036A GB2044036A (en) 1980-10-08
GB2044036B true GB2044036B (en) 1983-03-23

Family

ID=10503753

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7908380A Expired GB2044036B (en) 1979-03-09 1979-03-09 Colour separation overlay of television signals

Country Status (1)

Country Link
GB (1) GB2044036B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4409611A (en) * 1981-09-24 1983-10-11 Vlahos-Gottschalk Research Corp., (Now) Ultimatte Corp. Encoded signal color image compositing
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
NL8902005A (en) * 1988-09-15 1990-04-02 Samsung Electronics Co Ltd COLOR TONE GENERATOR FOR A VIDEO LAYOUT.
DE4029903C1 (en) * 1990-09-21 1991-12-19 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig Hollaend. Stiftung & Co Kg, 8510 Fuerth, De
DE4303348B4 (en) * 1993-02-05 2006-03-30 Bts Holding International Bv A method for separating a foreground image signal from a mixed image signal and arrangement for carrying out the method
US8456577B2 (en) 2007-06-29 2013-06-04 Gvbb Holdings S.A.R.L. Method and apparatus for chroma key production

Also Published As

Publication number Publication date
GB2044036A (en) 1980-10-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee