FR1458696A - Closed circuit television network - Google Patents

Closed circuit television network

Info

Publication number
FR1458696A
FR1458696A FR33742A FR33742A FR1458696A FR 1458696 A FR1458696 A FR 1458696A FR 33742 A FR33742 A FR 33742A FR 33742 A FR33742 A FR 33742A FR 1458696 A FR1458696 A FR 1458696A
Authority
FR
France
Prior art keywords
closed circuit
television network
circuit television
network
closed
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
FR33742A
Other languages
French (fr)
Inventor
John O Campbell
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
Priority to FR33742A priority Critical patent/FR1458696A/en
Application granted granted Critical
Publication of FR1458696A publication Critical patent/FR1458696A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
FR33742A 1965-10-05 1965-10-05 Closed circuit television network Expired FR1458696A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR33742A FR1458696A (en) 1965-10-05 1965-10-05 Closed circuit television network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR33742A FR1458696A (en) 1965-10-05 1965-10-05 Closed circuit television network

Publications (1)

Publication Number Publication Date
FR1458696A true FR1458696A (en) 1966-03-04

Family

ID=8589702

Family Applications (1)

Application Number Title Priority Date Filing Date
FR33742A Expired FR1458696A (en) 1965-10-05 1965-10-05 Closed circuit television network

Country Status (1)

Country Link
FR (1) FR1458696A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2539571A1 (en) * 1983-01-17 1984-07-20 Austin Jean Luc Teledistribution automatic billing and management system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2539571A1 (en) * 1983-01-17 1984-07-20 Austin Jean Luc Teledistribution automatic billing and management system

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