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FR973869A - Improvements to television and analog systems - Google Patents

Improvements to television and analog systems

Info

Publication number
FR973869A
FR973869A FR973869DA FR973869A FR 973869 A FR973869 A FR 973869A FR 973869D A FR973869D A FR 973869DA FR 973869 A FR973869 A FR 973869A
Authority
FR
France
Prior art keywords
television
analog systems
analog
systems
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
Other languages
French (fr)
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.)
Cinema Television Ltd
Original Assignee
Cinema Television Ltd
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 Cinema Television Ltd filed Critical Cinema Television Ltd
Application granted granted Critical
Publication of FR973869A publication Critical patent/FR973869A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04N9/75—Chroma key
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Television Image Signal Generators (AREA)
  • Processing Of Color Television Signals (AREA)
  • Studio Circuits (AREA)
FR973869D 1947-11-06 1948-10-20 Improvements to television and analog systems Expired FR973869A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2959347A GB638937A (en) 1947-11-06 1947-11-06 Improvements in or relating to television or like systems

Publications (1)

Publication Number Publication Date
FR973869A true FR973869A (en) 1951-02-15

Family

ID=10293991

Family Applications (1)

Application Number Title Priority Date Filing Date
FR973869D Expired FR973869A (en) 1947-11-06 1948-10-20 Improvements to television and analog systems

Country Status (3)

Country Link
DE (1) DE872066C (en)
FR (1) FR973869A (en)
GB (1) GB638937A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE926371C (en) * 1951-10-26 1955-04-14 Pye Ltd Method and apparatus for producing a composite television picture

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1049906B (en) * 1954-06-30 1959-02-05 Columbia Broadcasting System, Inc., New York, N. Y, (V. St. A.) Device for the production of a television picture montage
WO1994026057A1 (en) * 1993-04-29 1994-11-10 Scientific Generics Limited Background separation for still and moving images
US5574511A (en) * 1995-10-18 1996-11-12 Polaroid Corporation Background replacement for an image
US7889987B2 (en) 2009-01-15 2011-02-15 Sony Ericsson Mobile Communications Ab Camera auto UV filter mode

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE926371C (en) * 1951-10-26 1955-04-14 Pye Ltd Method and apparatus for producing a composite television picture

Also Published As

Publication number Publication date
DE872066C (en) 1953-03-30
GB638937A (en) 1950-06-21

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