FR2138100B1 - - Google Patents

Info

Publication number
FR2138100B1
FR2138100B1 FR7217842A FR7217842A FR2138100B1 FR 2138100 B1 FR2138100 B1 FR 2138100B1 FR 7217842 A FR7217842 A FR 7217842A FR 7217842 A FR7217842 A FR 7217842A FR 2138100 B1 FR2138100 B1 FR 2138100B1
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
FR7217842A
Other versions
FR2138100A1 (fr
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of FR2138100A1 publication Critical patent/FR2138100A1/fr
Application granted granted Critical
Publication of FR2138100B1 publication Critical patent/FR2138100B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Facsimiles In General (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
FR7217842A 1971-05-19 1972-05-18 Expired FR2138100B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712124971 DE2124971A1 (de) 1971-05-19 1971-05-19 Anordnung für eine über Fernsprechleitungen belegbare zentrale Fernseh-Auskunftsstelle

Publications (2)

Publication Number Publication Date
FR2138100A1 FR2138100A1 (fr) 1972-12-29
FR2138100B1 true FR2138100B1 (fr) 1973-07-13

Family

ID=5808410

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7217842A Expired FR2138100B1 (fr) 1971-05-19 1972-05-18

Country Status (10)

Country Link
AT (1) AT313997B (fr)
BE (1) BE783744A (fr)
CH (1) CH542558A (fr)
DE (1) DE2124971A1 (fr)
FR (1) FR2138100B1 (fr)
GB (1) GB1395614A (fr)
IT (1) IT955597B (fr)
LU (1) LU65379A1 (fr)
NL (1) NL7206532A (fr)
SE (1) SE372122B (fr)

Also Published As

Publication number Publication date
SE372122B (fr) 1974-12-09
LU65379A1 (fr) 1972-08-24
NL7206532A (fr) 1972-11-21
FR2138100A1 (fr) 1972-12-29
CH542558A (de) 1973-09-30
GB1395614A (en) 1975-05-29
IT955597B (it) 1973-09-29
AT313997B (de) 1974-03-11
DE2124971A1 (de) 1972-11-30
BE783744A (fr) 1972-11-20

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Legal Events

Date Code Title Description
ST Notification of lapse