FR2404350B1 - - Google Patents

Info

Publication number
FR2404350B1
FR2404350B1 FR7729412A FR7729412A FR2404350B1 FR 2404350 B1 FR2404350 B1 FR 2404350B1 FR 7729412 A FR7729412 A FR 7729412A FR 7729412 A FR7729412 A FR 7729412A FR 2404350 B1 FR2404350 B1 FR 2404350B1
Authority
FR
France
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
FR7729412A
Other languages
French (fr)
Other versions
FR2404350A1 (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.)
Telediffusion de France ets Public de Diffusion
Original Assignee
Telediffusion de France ets Public de Diffusion
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
Priority claimed from FR7518319A external-priority patent/FR2313825A1/en
Application filed by Telediffusion de France ets Public de Diffusion filed Critical Telediffusion de France ets Public de Diffusion
Priority to FR7729412A priority Critical patent/FR2404350A1/en
Publication of FR2404350A1 publication Critical patent/FR2404350A1/en
Application granted granted Critical
Publication of FR2404350B1 publication Critical patent/FR2404350B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/025—Systems for the transmission of digital non-picture data, e.g. of text during the active part of a television frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/24—Time-division multiplex systems in which the allocation is indicated by an address the different channels being transmitted sequentially
    • H04J3/242—Time-division multiplex systems in which the allocation is indicated by an address the different channels being transmitted sequentially the frames being of variable length
FR7729412A 1975-06-06 1977-09-26 Data transmission equipment - comprises transmitting units television receivers and key code units Granted FR2404350A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7729412A FR2404350A1 (en) 1975-06-06 1977-09-26 Data transmission equipment - comprises transmitting units television receivers and key code units

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7518319A FR2313825A1 (en) 1975-06-06 1975-06-06 DATA DISSEMINATION SYSTEM
FR7729412A FR2404350A1 (en) 1975-06-06 1977-09-26 Data transmission equipment - comprises transmitting units television receivers and key code units

Publications (2)

Publication Number Publication Date
FR2404350A1 FR2404350A1 (en) 1979-04-20
FR2404350B1 true FR2404350B1 (en) 1982-08-27

Family

ID=26218912

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7729412A Granted FR2404350A1 (en) 1975-06-06 1977-09-26 Data transmission equipment - comprises transmitting units television receivers and key code units

Country Status (1)

Country Link
FR (1) FR2404350A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4394687A (en) * 1979-04-30 1983-07-19 Hutt Peter R Apparatus for decoding digital information processed for inclusion in wide band T.V. video signal
FR2466917A2 (en) * 1979-09-27 1981-04-10 Telediffusion Fse DATA DISSEMINATION SYSTEM

Also Published As

Publication number Publication date
FR2404350A1 (en) 1979-04-20

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Legal Events

Date Code Title Description
TP Transmission of property