FR1019549A - Procédé et moyens pour effectuer des transmissions d'images - Google Patents

Procédé et moyens pour effectuer des transmissions d'images

Info

Publication number
FR1019549A
FR1019549A FR1019549DA FR1019549A FR 1019549 A FR1019549 A FR 1019549A FR 1019549D A FR1019549D A FR 1019549DA FR 1019549 A FR1019549 A FR 1019549A
Authority
FR
France
Prior art keywords
performing image
image transmissions
transmissions
image
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
English (en)
French (fr)
Inventor
Henri De France
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.)
Radio Industrie SA
Original Assignee
Radio Industrie SA
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 Radio Industrie SA filed Critical Radio Industrie SA
Application granted granted Critical
Publication of FR1019549A publication Critical patent/FR1019549A/fr
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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0105—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level using a storage device with different write and read speed
    • H04N7/0107—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level using a storage device with different write and read speed using beam gun storage
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Television Systems (AREA)
FR1019549D 1950-06-06 1950-06-06 Procédé et moyens pour effectuer des transmissions d'images Expired FR1019549A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2786887X 1950-06-06
FR785833X 1953-02-04

Publications (1)

Publication Number Publication Date
FR1019549A true FR1019549A (fr) 1953-01-22

Family

ID=32327967

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1019549D Expired FR1019549A (fr) 1950-06-06 1950-06-06 Procédé et moyens pour effectuer des transmissions d'images
FR64960D Expired FR64960E (fr) 1950-06-06 1953-02-04 Procédé et moyens pour effectuer des transmissions d'images

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR64960D Expired FR64960E (fr) 1950-06-06 1953-02-04 Procédé et moyens pour effectuer des transmissions d'images

Country Status (4)

Country Link
US (1) US2786887A (en, 2012)
BE (1) BE526230A (en, 2012)
FR (2) FR1019549A (en, 2012)
GB (2) GB694005A (en, 2012)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2900445A (en) * 1952-01-26 1959-08-18 Westinghouse Electric Corp Increase of image contrast with television pickup tube
BE541664A (en, 2012) * 1954-09-30
BE546828A (en, 2012) * 1955-05-05
US2928895A (en) * 1955-12-22 1960-03-15 Gen Electric Method for recording television pictures on motion picture film
US2906816A (en) * 1956-07-24 1959-09-29 Bell Telephone Labor Inc Method and apparatus for reducing television bandwidth
US2921124A (en) * 1956-12-10 1960-01-12 Bell Telephone Labor Inc Method and apparatus for reducing television bandwidth
US2969425A (en) * 1959-01-12 1961-01-24 Iowa State College Res Found Color television recordal
US3294903A (en) * 1961-04-19 1966-12-27 Columbia Broadcasting Syst Inc Electronic reconnaissance systems
US3726995A (en) * 1971-01-07 1973-04-10 H Lehmann Method and apparatus for more slowly telecasting live sports events instantly as they take place
US3908080A (en) * 1972-10-24 1975-09-23 Mca Disco Vision Method of making an extended play video disc record
US3908076A (en) * 1972-10-24 1975-09-23 Mca Disco Vision Extended play videodisc recording system
NL8104476A (nl) * 1981-10-01 1983-05-02 Philips Nv Televisiesysteem voor hoge-definitie televisie en er voor geschikte televisie zender en ontvanger.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1775241A (en) * 1929-05-25 1930-09-09 Bell Telephone Labor Inc Electrooptical system
US1990544A (en) * 1930-03-25 1935-02-12 Bell Telephone Labor Inc Electrooptical system
DE606203C (de) * 1932-11-16 1934-11-28 Fernseh Akt Ges Fernsehuebertragungsverfahren mit kinematographischer Aufzeichnung als UEbertragungszwischenglied
US2219021A (en) * 1939-06-30 1940-10-22 Bell Telephone Labor Inc Frequency changing
US2273172A (en) * 1940-02-23 1942-02-17 Rca Corp Television system
US2517265A (en) * 1947-07-18 1950-08-01 Wald George Multichannel television system

Also Published As

Publication number Publication date
US2786887A (en) 1957-03-26
GB785833A (en) 1957-11-06
FR64960E (fr) 1955-12-15
GB694005A (en) 1953-07-08
BE526230A (en, 2012)

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