DE3788968T2 - Digitale Effektschaltung für Videoschalter. - Google Patents

Digitale Effektschaltung für Videoschalter.

Info

Publication number
DE3788968T2
DE3788968T2 DE3788968T DE3788968T DE3788968T2 DE 3788968 T2 DE3788968 T2 DE 3788968T2 DE 3788968 T DE3788968 T DE 3788968T DE 3788968 T DE3788968 T DE 3788968T DE 3788968 T2 DE3788968 T2 DE 3788968T2
Authority
DE
Germany
Prior art keywords
video switches
digital effects
effects circuit
circuit
digital
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 - Lifetime
Application number
DE3788968T
Other languages
English (en)
Other versions
DE3788968D1 (de
Inventor
Jay L Flora
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.)
Ampex Systems Corp
Original Assignee
Ampex Systems 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 Ampex Systems Corp filed Critical Ampex Systems Corp
Publication of DE3788968D1 publication Critical patent/DE3788968D1/de
Application granted granted Critical
Publication of DE3788968T2 publication Critical patent/DE3788968T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04N5/268—Signal distribution or switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Circuits (AREA)
DE3788968T 1986-03-28 1987-02-24 Digitale Effektschaltung für Videoschalter. Expired - Lifetime DE3788968T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/845,902 US4694344A (en) 1986-03-28 1986-03-28 Digital effects loop for video switchers

Publications (2)

Publication Number Publication Date
DE3788968D1 DE3788968D1 (de) 1994-03-17
DE3788968T2 true DE3788968T2 (de) 1994-05-19

Family

ID=25296375

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3788968T Expired - Lifetime DE3788968T2 (de) 1986-03-28 1987-02-24 Digitale Effektschaltung für Videoschalter.

Country Status (5)

Country Link
US (1) US4694344A (de)
EP (1) EP0239243B1 (de)
JP (1) JPS62253274A (de)
CA (1) CA1278622C (de)
DE (1) DE3788968T2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62502788A (ja) * 1985-03-15 1987-10-22 アムペツクス　コ−ポレ−シヨン 種々のワイプボ−タを生じさせるための装置及び方法
JPH0638652B2 (ja) * 1985-12-28 1994-05-18 ソニー株式会社 テレビジヨン受像機
JPS62159582A (ja) * 1986-01-06 1987-07-15 Sony Corp テレビジヨン受像機
JP2794661B2 (ja) * 1986-09-20 1998-09-10 ソニー株式会社 テレビジヨン受像機
DE3704289A1 (de) * 1987-02-12 1988-08-25 Broadcast Television Syst Verfahren zur ueberpruefung eines farbstanzsignal-decoders
US4791489A (en) * 1987-03-06 1988-12-13 Michael Polatnick General purpose video special effects system and method therefor
US4887159A (en) * 1987-03-26 1989-12-12 The Grass Valley Group Inc. Shadow visual effects wipe generator
JP2603982B2 (ja) * 1988-02-12 1997-04-23 日本放送協会 映像信号処理システムのマルチプロセッサ結合装置
JPH01206778A (ja) * 1988-02-12 1989-08-18 Nippon Hoso Kyokai <Nhk> デジタル映像信号処理システム
JP2818168B2 (ja) * 1988-02-12 1998-10-30 日本放送協会 映像信号処理システム及び映像信号処理システムの信号分配装置
US4853784A (en) * 1988-02-19 1989-08-01 The Grass Valley Group, Inc. Video switcher with independent processing of selected video signals
US4873568A (en) * 1988-09-19 1989-10-10 The Grass Valley Group, Inc. Digital video effects apparatus
GB8822163D0 (en) * 1988-09-21 1988-10-26 Abekas Video Systems Video signal processing
US4947256A (en) * 1989-04-26 1990-08-07 The Grass Valley Group, Inc. Adaptive architecture for video effects
US5227863A (en) * 1989-11-14 1993-07-13 Intelligent Resources Integrated Systems, Inc. Programmable digital video processing system
JP2773372B2 (ja) * 1990-03-26 1998-07-09 ソニー株式会社 編集装置
JPH05324821A (ja) * 1990-04-24 1993-12-10 Sony Corp 高解像度映像及び図形表示装置
GB9020539D0 (en) * 1990-09-20 1990-10-31 Avesco Plc Video signal processing
US5369443A (en) * 1991-04-12 1994-11-29 Abekas Video Systems, Inc. Digital video effects generator
JPH06350937A (ja) * 1993-06-14 1994-12-22 Pioneer Electron Corp 画像合成再生装置
JP3501301B2 (ja) * 1994-03-18 2004-03-02 ソニー株式会社 入出力信号切換装置
US20050030432A1 (en) * 1999-01-28 2005-02-10 David Ross Video production switcher with integrated digital video processing
US7020213B2 (en) * 2000-12-28 2006-03-28 Teac Corporation Method and apparatus for selectively providing different electric signal paths between circuits
US6642876B2 (en) * 2001-08-31 2003-11-04 Cirrus Logic, Inc. Method and system of operating a codec in an operational mode
US7602446B2 (en) * 2004-03-26 2009-10-13 Ross Video Limited Method, system and device for auxiliary bus mixer and keyer
US8605220B2 (en) * 2007-08-30 2013-12-10 Gvbb Holdings S.A.R.L. Generation of video transitions on an auxiliary bus using a video switcher

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3604849A (en) * 1969-05-28 1971-09-14 Central Dynamics Mix-effects system for television video signals
US4218709A (en) * 1977-10-05 1980-08-19 Echolabs, Inc. Video switching system
ATE45258T1 (de) * 1981-04-10 1989-08-15 Ampex Geraet zur raeumlichen transformation von bildern.
US4392156A (en) * 1981-05-04 1983-07-05 Ampex Corporation Video key edge generator for increasing the size of an associated border, drop shadow and/or outline
US4463372A (en) * 1982-03-24 1984-07-31 Ampex Corporation Spatial transformation system including key signal generator

Also Published As

Publication number Publication date
EP0239243A3 (en) 1990-04-25
EP0239243B1 (de) 1994-02-02
EP0239243A2 (de) 1987-09-30
US4694344A (en) 1987-09-15
CA1278622C (en) 1991-01-02
DE3788968D1 (de) 1994-03-17
JPS62253274A (ja) 1987-11-05

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Legal Events

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8364 No opposition during term of opposition