DE69229426D1 - Videomischer - Google Patents

Videomischer

Info

Publication number
DE69229426D1
DE69229426D1 DE69229426T DE69229426T DE69229426D1 DE 69229426 D1 DE69229426 D1 DE 69229426D1 DE 69229426 T DE69229426 T DE 69229426T DE 69229426 T DE69229426 T DE 69229426T DE 69229426 D1 DE69229426 D1 DE 69229426D1
Authority
DE
Germany
Prior art keywords
video mixer
mixer
video
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
DE69229426T
Other languages
English (en)
Other versions
DE69229426T2 (de
Inventor
John Abt
James A Delwiche
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.)
Grass Valley Group Inc
Original Assignee
Grass Valley Group Inc
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 Grass Valley Group Inc filed Critical Grass Valley Group Inc
Publication of DE69229426D1 publication Critical patent/DE69229426D1/de
Application granted granted Critical
Publication of DE69229426T2 publication Critical patent/DE69229426T2/de
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
    • H04N5/272—Means for inserting a foreground image in a background image, i.e. inlay, outlay
    • H04N5/275—Generation of keying signals
    • 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
    • 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
    • H04N9/76—Circuits for processing colour signals for obtaining special effects for mixing of colour signals
DE69229426T 1991-06-14 1992-04-14 Videomischer Expired - Fee Related DE69229426T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71528791A 1991-06-14 1991-06-14

Publications (2)

Publication Number Publication Date
DE69229426D1 true DE69229426D1 (de) 1999-07-22
DE69229426T2 DE69229426T2 (de) 1999-12-23

Family

ID=24873423

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69229426T Expired - Fee Related DE69229426T2 (de) 1991-06-14 1992-04-14 Videomischer

Country Status (4)

Country Link
US (1) US5850267A (de)
EP (1) EP0518465B1 (de)
JP (1) JP2727041B2 (de)
DE (1) DE69229426T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3636398A1 (de) * 1986-10-25 1988-05-05 Hoechst Ag Wasserloesliche disazoverbindungen, verfahren zu ihrer herstellung und ihre verwendung als farbstoffe
JPH07264621A (ja) * 1994-03-18 1995-10-13 Sony Corp 映像信号混合回路
KR100238253B1 (ko) * 1997-08-29 2000-01-15 윤종용 비디오 신호 합성 장치 및 방법
US20040189676A1 (en) * 2003-03-24 2004-09-30 Dischert Lee R. Method, apparatus , and system for selectively combining video signals

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1266344A (de) * 1968-03-20 1972-03-08
DD97805A1 (de) * 1971-10-08 1973-05-14
US3959813A (en) * 1973-12-08 1976-05-25 Robert Bosch G.M.B.H. Generation of a switching signal for the chroma keying of color video signals
DE2707930A1 (de) * 1976-02-26 1977-09-01 Benjamin Birenbaum Brennstoffeinspritzvorrichtung
JPS54151322A (en) * 1978-05-19 1979-11-28 Tokyo Hoso:Kk Storoboscopic effect generator for television
US4206474A (en) * 1978-08-30 1980-06-03 Rca Corporation Low-pass filter with remotely controllable rise time
JPS56158585A (en) * 1980-05-12 1981-12-07 Matsushita Electric Ind Co Ltd Mixing circuit of video signal without addition
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
JPS60264189A (ja) * 1984-06-12 1985-12-27 Nec Corp 非加算混合回路
US4713693A (en) * 1984-08-06 1987-12-15 Colorado Video, Incorporated Composite single video image system and method utilizing video peak storing memory
FR2576733B1 (fr) 1985-01-28 1987-04-24 Telediffusion Fse Systeme de surimpression d'images
US4800432A (en) * 1986-10-24 1989-01-24 The Grass Valley Group, Inc. Video Difference key generator
US4771192A (en) * 1986-11-14 1988-09-13 The Grass Valley Group, Inc. Digital clip and gain circuit
US4873568A (en) * 1988-09-19 1989-10-10 The Grass Valley Group, Inc. Digital video effects apparatus

Also Published As

Publication number Publication date
EP0518465A2 (de) 1992-12-16
DE69229426T2 (de) 1999-12-23
JP2727041B2 (ja) 1998-03-11
EP0518465B1 (de) 1999-06-16
EP0518465A3 (en) 1993-08-18
JPH0686169A (ja) 1994-03-25
US5850267A (en) 1998-12-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee