FR2538658B1 - METHOD AND DEVICE FOR CODING A VIDEO SIGNAL FOR REDUCED BANDWIDTH TRANSMISSION - Google Patents

METHOD AND DEVICE FOR CODING A VIDEO SIGNAL FOR REDUCED BANDWIDTH TRANSMISSION

Info

Publication number
FR2538658B1
FR2538658B1 FR8221522A FR8221522A FR2538658B1 FR 2538658 B1 FR2538658 B1 FR 2538658B1 FR 8221522 A FR8221522 A FR 8221522A FR 8221522 A FR8221522 A FR 8221522A FR 2538658 B1 FR2538658 B1 FR 2538658B1
Authority
FR
France
Prior art keywords
coding
video signal
reduced bandwidth
bandwidth transmission
transmission
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
FR8221522A
Other languages
French (fr)
Other versions
FR2538658A1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8221522A priority Critical patent/FR2538658B1/en
Publication of FR2538658A1 publication Critical patent/FR2538658A1/en
Application granted granted Critical
Publication of FR2538658B1 publication Critical patent/FR2538658B1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • H04N7/122—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal involving expansion and subsequent compression of a signal segment, e.g. a frame, a line
FR8221522A 1982-12-22 1982-12-22 METHOD AND DEVICE FOR CODING A VIDEO SIGNAL FOR REDUCED BANDWIDTH TRANSMISSION Expired FR2538658B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8221522A FR2538658B1 (en) 1982-12-22 1982-12-22 METHOD AND DEVICE FOR CODING A VIDEO SIGNAL FOR REDUCED BANDWIDTH TRANSMISSION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8221522A FR2538658B1 (en) 1982-12-22 1982-12-22 METHOD AND DEVICE FOR CODING A VIDEO SIGNAL FOR REDUCED BANDWIDTH TRANSMISSION

Publications (2)

Publication Number Publication Date
FR2538658A1 FR2538658A1 (en) 1984-06-29
FR2538658B1 true FR2538658B1 (en) 1987-04-17

Family

ID=9280381

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8221522A Expired FR2538658B1 (en) 1982-12-22 1982-12-22 METHOD AND DEVICE FOR CODING A VIDEO SIGNAL FOR REDUCED BANDWIDTH TRANSMISSION

Country Status (1)

Country Link
FR (1) FR2538658B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4754340A (en) * 1983-11-01 1988-06-28 Matsushita Electric Industrial Co., Ltd. Method of reproducing a chrominance signal from a previously low-range-converted chrominance signal using comb filtering and sampling

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3073896A (en) * 1960-05-31 1963-01-15 Bell Telephone Labor Inc Video interchange by digital band and scan conversions
US3941921A (en) * 1972-09-18 1976-03-02 Hitachi, Ltd. System for converting frequency band of picture signal
US3806644A (en) * 1973-02-23 1974-04-23 Bell Telephone Labor Inc Video format converter
DE2444069A1 (en) * 1974-09-14 1976-03-25 Deutsche Bundespost Small bandwidth TV signal - is subjected to method for improvement of its reproduction at receiving end
US3982063A (en) * 1975-02-03 1976-09-21 Bell Telephone Laboratories, Incorporated Methods and apparatus for reducing the bandwidth of a video signal
DE2701649C2 (en) * 1977-01-17 1985-09-19 Robert Bosch Gmbh, 7000 Stuttgart Method for the digital transmission of the luminance signal of a separately coded color video signal
DE2713823A1 (en) * 1977-03-29 1978-10-05 Volker Wraase Video signal converter system - changes video signal parameters digitally and accepts direct digital input from optical fibre system

Also Published As

Publication number Publication date
FR2538658A1 (en) 1984-06-29

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse