FR932934A - System intended to reduce the time occupied by a telephony, phototelegraph or television transmission - Google Patents

System intended to reduce the time occupied by a telephony, phototelegraph or television transmission

Info

Publication number
FR932934A
FR932934A FR932934DA FR932934A FR 932934 A FR932934 A FR 932934A FR 932934D A FR932934D A FR 932934DA FR 932934 A FR932934 A FR 932934A
Authority
FR
France
Prior art keywords
phototelegraph
telephony
reduce
television transmission
system intended
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
French (fr)
Inventor
Henri-Maurice Veaux
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 filed Critical
Application granted granted Critical
Publication of FR932934A publication Critical patent/FR932934A/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/18—Time-division multiplex systems using frequency compression and subsequent expansion of the individual signals
    • 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
    • H04N7/127—Systems in which different parts of the picture signal frequency band are individually processed, e.g. suppressed, transposed
FR932934D 1946-07-19 1946-07-19 System intended to reduce the time occupied by a telephony, phototelegraph or television transmission Expired FR932934A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR932934T 1946-07-19

Publications (1)

Publication Number Publication Date
FR932934A true FR932934A (en) 1948-04-06

Family

ID=9455343

Family Applications (1)

Application Number Title Priority Date Filing Date
FR932934D Expired FR932934A (en) 1946-07-19 1946-07-19 System intended to reduce the time occupied by a telephony, phototelegraph or television transmission

Country Status (3)

Country Link
BE (1) BE483048A (en)
CH (1) CH278793A (en)
FR (1) FR932934A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2580685A (en) * 1949-12-30 1952-01-01 Bell Telephone Labor Inc Color television with reduced band width
US2629010A (en) * 1949-12-30 1953-02-17 Bell Telephone Labor Inc Television system having reduced transmission bandwidth

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2580685A (en) * 1949-12-30 1952-01-01 Bell Telephone Labor Inc Color television with reduced band width
US2629010A (en) * 1949-12-30 1953-02-17 Bell Telephone Labor Inc Television system having reduced transmission bandwidth

Also Published As

Publication number Publication date
CH278793A (en) 1951-10-31
BE483048A (en)

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