GB2236031B - Video mixer unit - Google Patents

Video mixer unit

Info

Publication number
GB2236031B
GB2236031B GB8915087A GB8915087A GB2236031B GB 2236031 B GB2236031 B GB 2236031B GB 8915087 A GB8915087 A GB 8915087A GB 8915087 A GB8915087 A GB 8915087A GB 2236031 B GB2236031 B GB 2236031B
Authority
GB
United Kingdom
Prior art keywords
mixer unit
video mixer
video
unit
mixer
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 - Fee Related
Application number
GB8915087A
Other versions
GB8915087D0 (en
GB2236031A (en
Inventor
Ronald Chalmers
Steve Campbell
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.)
Samuelson Group PLC
Original Assignee
Samuelson Group PLC
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 Samuelson Group PLC filed Critical Samuelson Group PLC
Priority to GB8915087A priority Critical patent/GB2236031B/en
Publication of GB8915087D0 publication Critical patent/GB8915087D0/en
Priority to IE237190A priority patent/IE64133B1/en
Publication of GB2236031A publication Critical patent/GB2236031A/en
Application granted granted Critical
Publication of GB2236031B publication Critical patent/GB2236031B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • 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
GB8915087A 1989-06-30 1989-06-30 Video mixer unit Expired - Fee Related GB2236031B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8915087A GB2236031B (en) 1989-06-30 1989-06-30 Video mixer unit
IE237190A IE64133B1 (en) 1989-06-30 1990-06-29 Video mixer unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8915087A GB2236031B (en) 1989-06-30 1989-06-30 Video mixer unit

Publications (3)

Publication Number Publication Date
GB8915087D0 GB8915087D0 (en) 1989-08-23
GB2236031A GB2236031A (en) 1991-03-20
GB2236031B true GB2236031B (en) 1993-11-17

Family

ID=10659353

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8915087A Expired - Fee Related GB2236031B (en) 1989-06-30 1989-06-30 Video mixer unit

Country Status (2)

Country Link
GB (1) GB2236031B (en)
IE (1) IE64133B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5594467A (en) * 1989-12-06 1997-01-14 Video Logic Ltd. Computer based display system allowing mixing and windowing of graphics and video
GB2243515A (en) * 1990-04-11 1991-10-30 Rank Cintel Ltd Digital video signal processing using lookup tables

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0229431A2 (en) * 1986-01-03 1987-07-22 Koninklijke Philips Electronics N.V. Picture-in-picture color television receiver
EP0245745A2 (en) * 1986-05-12 1987-11-19 Hitachi, Ltd. Image processing system
GB2222742A (en) * 1988-08-24 1990-03-14 Hashimoto Corp TV receiving device and method having repeating function

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0229431A2 (en) * 1986-01-03 1987-07-22 Koninklijke Philips Electronics N.V. Picture-in-picture color television receiver
EP0245745A2 (en) * 1986-05-12 1987-11-19 Hitachi, Ltd. Image processing system
GB2222742A (en) * 1988-08-24 1990-03-14 Hashimoto Corp TV receiving device and method having repeating function

Also Published As

Publication number Publication date
IE902371A1 (en) 1991-06-19
GB8915087D0 (en) 1989-08-23
GB2236031A (en) 1991-03-20
IE902371L (en) 1990-12-30
IE64133B1 (en) 1995-07-12

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Legal Events

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

Effective date: 20010630