JPS5652981A - 2 channel video signal transmission system - Google Patents

2 channel video signal transmission system

Info

Publication number
JPS5652981A
JPS5652981A JP12909279A JP12909279A JPS5652981A JP S5652981 A JPS5652981 A JP S5652981A JP 12909279 A JP12909279 A JP 12909279A JP 12909279 A JP12909279 A JP 12909279A JP S5652981 A JPS5652981 A JP S5652981A
Authority
JP
Japan
Prior art keywords
signal
circuit
video signal
compounding
luminance
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.)
Granted
Application number
JP12909279A
Other languages
Japanese (ja)
Other versions
JPS5811148B2 (en
Inventor
Yutaka Ito
Jiro Hagiwara
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.)
Tokyo Broadcasting System Inc TBS
Original Assignee
Tokyo Broadcasting System Inc TBS
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 Tokyo Broadcasting System Inc TBS filed Critical Tokyo Broadcasting System Inc TBS
Priority to JP54129092A priority Critical patent/JPS5811148B2/en
Publication of JPS5652981A publication Critical patent/JPS5652981A/en
Publication of JPS5811148B2 publication Critical patent/JPS5811148B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Synchronizing For Television (AREA)
  • Television Systems (AREA)
  • Processing Of Color Television Signals (AREA)
  • Time-Division Multiplex Systems (AREA)

Abstract

PURPOSE:To make it possible to transmit two video signals by one circuit, and also to monitor a multiplexed video signal, by compressing the time base of the first and second video signals to 1/2 in the horizontal direction, and transmitting them by arraying reciprocally. CONSTITUTION:Video signals 11a, 11b are input to the compounding processing circuits 17a, 17b of the same structure, respectively, through the input terminals 16a, 16b. As for the luminance signal and the color signal, which have been processed in the said circuits, the time base of the video signal is compressed to 1/2 in each horizontal period by the luminance compressing circuit 41a and the color compressing circuit 42a. The compressed signal is input to the compounding circuit 85 through the luminance adder 83a and the buffer memory 84a. The compounding circuit 85 arrays reciprocally by timing the outputs of the compounding processing circuits 17a, 17b and transmits them through the D/A converter 86 and the process amplifier 87. The receiving side reproduces a video signal by separating each signal and expanding the time base.
JP54129092A 1979-10-05 1979-10-05 2 channel video signal transmission method Expired JPS5811148B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54129092A JPS5811148B2 (en) 1979-10-05 1979-10-05 2 channel video signal transmission method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54129092A JPS5811148B2 (en) 1979-10-05 1979-10-05 2 channel video signal transmission method

Publications (2)

Publication Number Publication Date
JPS5652981A true JPS5652981A (en) 1981-05-12
JPS5811148B2 JPS5811148B2 (en) 1983-03-01

Family

ID=15000869

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54129092A Expired JPS5811148B2 (en) 1979-10-05 1979-10-05 2 channel video signal transmission method

Country Status (1)

Country Link
JP (1) JPS5811148B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6019375A (en) * 1983-06-03 1985-01-31 アメリカン・テレフオン・アンド・テレグラフ・カムパニ− Method of transmitting three continuous television signals
JPS60149279A (en) * 1983-03-14 1985-08-06 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン Television signal processing method and television transmission system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50133717A (en) * 1974-04-06 1975-10-23
JPS5143021A (en) * 1974-10-09 1976-04-13 Nippon Telegraph & Telephone
JPS5266310A (en) * 1975-11-29 1977-06-01 Fujitsu Ltd Video unit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50133717A (en) * 1974-04-06 1975-10-23
JPS5143021A (en) * 1974-10-09 1976-04-13 Nippon Telegraph & Telephone
JPS5266310A (en) * 1975-11-29 1977-06-01 Fujitsu Ltd Video unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60149279A (en) * 1983-03-14 1985-08-06 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン Television signal processing method and television transmission system
JPS6019375A (en) * 1983-06-03 1985-01-31 アメリカン・テレフオン・アンド・テレグラフ・カムパニ− Method of transmitting three continuous television signals

Also Published As

Publication number Publication date
JPS5811148B2 (en) 1983-03-01

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