GB1379054A - Special effects generator - Google Patents

Special effects generator

Info

Publication number
GB1379054A
GB1379054A GB2004472A GB2004472A GB1379054A GB 1379054 A GB1379054 A GB 1379054A GB 2004472 A GB2004472 A GB 2004472A GB 2004472 A GB2004472 A GB 2004472A GB 1379054 A GB1379054 A GB 1379054A
Authority
GB
United Kingdom
Prior art keywords
pulses
switching
video
gate
pulse
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
GB2004472A
Other languages
English (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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Publication of GB1379054A publication Critical patent/GB1379054A/en
Expired 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
    • H04N5/272—Means for inserting a foreground image in a background image, i.e. inlay, outlay
    • H04N5/275—Generation of keying signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Circuits (AREA)
  • Details Of Television Scanning (AREA)
GB2004472A 1971-05-06 1972-05-01 Special effects generator Expired GB1379054A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14084471A 1971-05-06 1971-05-06

Publications (1)

Publication Number Publication Date
GB1379054A true GB1379054A (en) 1975-01-02

Family

ID=22493039

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2004472A Expired GB1379054A (en) 1971-05-06 1972-05-01 Special effects generator

Country Status (10)

Country Link
US (1) US3689694A (cg-RX-API-DMAC7.html)
JP (1) JPS569825B1 (cg-RX-API-DMAC7.html)
AT (1) AT339976B (cg-RX-API-DMAC7.html)
AU (1) AU463060B2 (cg-RX-API-DMAC7.html)
CA (1) CA963145A (cg-RX-API-DMAC7.html)
DE (1) DE2222150C3 (cg-RX-API-DMAC7.html)
FR (1) FR2135356B1 (cg-RX-API-DMAC7.html)
GB (1) GB1379054A (cg-RX-API-DMAC7.html)
IT (1) IT955233B (cg-RX-API-DMAC7.html)
NL (1) NL7206113A (cg-RX-API-DMAC7.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2176677A (en) * 1985-05-27 1986-12-31 Mitsubishi Electric Corp Combining image signals
GB2253114A (en) * 1991-01-08 1992-08-26 Samsung Electronics Co Ltd Displaying at least two images on a divided screen

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3833760A (en) * 1973-02-27 1974-09-03 Ferranti Ltd Television systems
US4109278A (en) * 1975-03-21 1978-08-22 Sonex International Corp. Video traveling matte system
US4085424A (en) * 1976-06-18 1978-04-18 Saba Schwarzwaelder Apparate-Bau-Anstalt August Schwer Soehne Gmbh Phase-comparison logic circuit for dual signal television reception
DE2853675C2 (de) * 1978-12-13 1985-10-31 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur Erzeugung von Steuersignalen
DE2927591C2 (de) * 1979-07-07 1981-11-05 Saba Gmbh, 7730 Villingen-Schwenningen Schaltungsanordnung zum Einblenden von analogen und digitalen Signalen auf dem Bildschirm eines Fernsehempfängers
US4887159A (en) * 1987-03-26 1989-12-12 The Grass Valley Group Inc. Shadow visual effects wipe generator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3420953A (en) * 1966-03-14 1969-01-07 Us Navy Apparent target motion control
US3525804A (en) * 1968-04-10 1970-08-25 Us Navy Gated video display

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2176677A (en) * 1985-05-27 1986-12-31 Mitsubishi Electric Corp Combining image signals
GB2253114A (en) * 1991-01-08 1992-08-26 Samsung Electronics Co Ltd Displaying at least two images on a divided screen
GB2253114B (en) * 1991-01-08 1995-05-24 Samsung Electronics Co Ltd Displaying at least two images on a divided screen

Also Published As

Publication number Publication date
AU4195472A (en) 1973-11-08
FR2135356B1 (cg-RX-API-DMAC7.html) 1977-01-14
US3689694A (en) 1972-09-05
CA963145A (en) 1975-02-18
DE2222150C3 (de) 1975-07-17
DE2222150A1 (de) 1972-11-16
JPS569825B1 (cg-RX-API-DMAC7.html) 1981-03-04
FR2135356A1 (cg-RX-API-DMAC7.html) 1972-12-15
ATA401872A (de) 1977-03-15
NL7206113A (cg-RX-API-DMAC7.html) 1972-11-08
AU463060B2 (en) 1975-07-17
AT339976B (de) 1977-11-25
IT955233B (it) 1973-09-29
DE2222150B2 (de) 1974-12-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee