DE69015116D1 - Verbesserte Tastschaltung mit Hervorhebung des Ausfüllen-Videosignals. - Google Patents

Verbesserte Tastschaltung mit Hervorhebung des Ausfüllen-Videosignals.

Info

Publication number
DE69015116D1
DE69015116D1 DE69015116T DE69015116T DE69015116D1 DE 69015116 D1 DE69015116 D1 DE 69015116D1 DE 69015116 T DE69015116 T DE 69015116T DE 69015116 T DE69015116 T DE 69015116T DE 69015116 D1 DE69015116 D1 DE 69015116D1
Authority
DE
Germany
Prior art keywords
highlighting
video signal
key switch
improved key
fill 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
DE69015116T
Other languages
English (en)
Other versions
DE69015116T2 (de
Inventor
Daniel J Chaplin
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 DE69015116D1 publication Critical patent/DE69015116D1/de
Application granted granted Critical
Publication of DE69015116T2 publication Critical patent/DE69015116T2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
DE69015116T 1989-10-06 1990-10-04 Verbesserte Tastschaltung mit Hervorhebung des Ausfüllen-Videosignals. Expired - Fee Related DE69015116T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/418,353 US5146333A (en) 1989-10-06 1989-10-06 Self keyer with pre-emphasized fill video

Publications (2)

Publication Number Publication Date
DE69015116D1 true DE69015116D1 (de) 1995-01-26
DE69015116T2 DE69015116T2 (de) 1995-06-14

Family

ID=23657769

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69015116T Expired - Fee Related DE69015116T2 (de) 1989-10-06 1990-10-04 Verbesserte Tastschaltung mit Hervorhebung des Ausfüllen-Videosignals.

Country Status (4)

Country Link
US (1) US5146333A (de)
EP (1) EP0425111B1 (de)
JP (1) JPH0787549B2 (de)
DE (1) DE69015116T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7382929B2 (en) 1989-05-22 2008-06-03 Pixel Instruments Corporation Spatial scan replication circuit
US6870964B1 (en) * 1989-05-22 2005-03-22 Pixel Instruments Corporation Spatial scan replication circuit
US5386242A (en) * 1994-03-14 1995-01-31 The Grass Valley Group, Inc. Self keyer with background gap fill
GB2292282B (en) * 1994-08-04 1998-08-26 Sony Corp Video special effect generators
GB2299724A (en) * 1995-04-06 1996-10-09 Dynatech Corp Limited Suppressing video signals

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4028727A (en) * 1976-05-07 1977-06-07 Central Dynamics Ltd. Mix/effects switch arrangement and mix/effects switching system
US4121253A (en) * 1976-08-20 1978-10-17 Vital Industries, Inc. Video special effects generator
US4141041A (en) * 1976-09-22 1979-02-20 The Singer Company Precision gain balance of two video sources for a single display
GB1556811A (en) * 1977-05-25 1979-11-28 British Broadcasting Corp Colous television
US4851912A (en) * 1986-03-06 1989-07-25 The Grass Valley Group, Inc. Apparatus for combining video signals
US4823183A (en) * 1988-02-01 1989-04-18 The Grass Valley Group, Inc. Video mixer with multicolor boarder
US4920415A (en) * 1989-03-20 1990-04-24 The Grass Valley Group, Inc. Self keyer

Also Published As

Publication number Publication date
JPH0787549B2 (ja) 1995-09-20
EP0425111B1 (de) 1994-12-14
DE69015116T2 (de) 1995-06-14
JPH04270574A (ja) 1992-09-25
US5146333A (en) 1992-09-08
EP0425111A3 (en) 1991-10-30
EP0425111A2 (de) 1991-05-02

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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