GB1465379A - Chroma keying video colour signals - Google Patents

Chroma keying video colour signals

Info

Publication number
GB1465379A
GB1465379A GB5239374A GB5239374A GB1465379A GB 1465379 A GB1465379 A GB 1465379A GB 5239374 A GB5239374 A GB 5239374A GB 5239374 A GB5239374 A GB 5239374A GB 1465379 A GB1465379 A GB 1465379A
Authority
GB
United Kingdom
Prior art keywords
colour
signals
comparators
thresholds
cameras
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
GB5239374A
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB1465379A publication Critical patent/GB1465379A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
GB5239374A 1973-12-08 1974-12-04 Chroma keying video colour signals Expired GB1465379A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732361333 DE2361333A1 (de) 1973-12-08 1973-12-08 System zur erzeugung eines schaltsignals zum farbstanzen von farbvideosignalen

Publications (1)

Publication Number Publication Date
GB1465379A true GB1465379A (en) 1977-02-23

Family

ID=5900315

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5239374A Expired GB1465379A (en) 1973-12-08 1974-12-04 Chroma keying video colour signals

Country Status (3)

Country Link
DE (1) DE2361333A1 (de)
GB (1) GB1465379A (de)
NL (1) NL7415943A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2464001A1 (fr) * 1979-08-17 1981-02-27 Thomson Csf Generateur de signaux de commutation pour effet d'incrustation en television et dispositif de commande d'effets speciaux comportant un tel generateur
GB2158320A (en) * 1984-04-26 1985-11-06 Philips Electronic Associated Generating a chroma keying signal

Also Published As

Publication number Publication date
NL7415943A (nl) 1975-06-10
DE2361333A1 (de) 1975-06-12

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee