GB1357048A - Television systems - Google Patents

Television systems

Info

Publication number
GB1357048A
GB1357048A GB942072A GB942072A GB1357048A GB 1357048 A GB1357048 A GB 1357048A GB 942072 A GB942072 A GB 942072A GB 942072 A GB942072 A GB 942072A GB 1357048 A GB1357048 A GB 1357048A
Authority
GB
United Kingdom
Prior art keywords
gate
line
signal
horizon
output
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
GB942072A
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.)
Ferranti International PLC
Original Assignee
Ferranti PLC
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 Ferranti PLC filed Critical Ferranti PLC
Priority to GB942072A priority Critical patent/GB1357048A/en
Priority to DE19732308615 priority patent/DE2308615C3/de
Priority to NO72473A priority patent/NO139800C/no
Priority to DK98973A priority patent/DK141429B/da
Priority to AU52649/73A priority patent/AU472733B2/en
Priority to BR152773A priority patent/BR7301527D0/pt
Publication of GB1357048A publication Critical patent/GB1357048A/en
Expired 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)
  • Closed-Circuit Television Systems (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Details Of Television Systems (AREA)
  • Image Processing (AREA)
  • Color Television Image Signal Generators (AREA)
GB942072A 1972-02-29 1972-02-29 Television systems Expired GB1357048A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB942072A GB1357048A (en) 1972-02-29 1972-02-29 Television systems
DE19732308615 DE2308615C3 (de) 1972-02-29 1973-02-21 Schaltungsanordnung zur Erzeugung einer Überlagerung bei Fernsehbildern
NO72473A NO139800C (no) 1972-02-29 1973-02-22 Fjernsynssystem.
DK98973A DK141429B (da) 1972-02-29 1973-02-23 Fjernsynsanlæg med midler til styring af billeders overlejring.
AU52649/73A AU472733B2 (en) 1972-02-29 1973-02-27 Television systems
BR152773A BR7301527D0 (pt) 1972-02-29 1973-03-01 fundo por uma imagem de superposicao rposicao mediante a substituicao de parte de uma imagem deum sistema de televisao para a producao de efeitos de sup

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB942072A GB1357048A (en) 1972-02-29 1972-02-29 Television systems

Publications (1)

Publication Number Publication Date
GB1357048A true GB1357048A (en) 1974-06-19

Family

ID=9871639

Family Applications (1)

Application Number Title Priority Date Filing Date
GB942072A Expired GB1357048A (en) 1972-02-29 1972-02-29 Television systems

Country Status (6)

Country Link
AU (1) AU472733B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR7301527D0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2308615C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (1) DK141429B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1357048A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NO (1) NO139800C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
DK141429C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-09-01
DE2308615A1 (de) 1973-09-06
NO139800B (no) 1979-01-29
AU472733B2 (en) 1976-06-03
BR7301527D0 (pt) 1974-05-16
DK141429B (da) 1980-03-10
DE2308615C3 (de) 1975-04-30
AU5264973A (en) 1974-08-29
NO139800C (no) 1979-05-09
DE2308615B2 (de) 1974-09-26

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Legal Events

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