FR2264447A1 - - Google Patents

Info

Publication number
FR2264447A1
FR2264447A1 FR7508819A FR7508819A FR2264447A1 FR 2264447 A1 FR2264447 A1 FR 2264447A1 FR 7508819 A FR7508819 A FR 7508819A FR 7508819 A FR7508819 A FR 7508819A FR 2264447 A1 FR2264447 A1 FR 2264447A1
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.)
Granted
Application number
FR7508819A
Other versions
FR2264447B1 (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.)
Communications Patents Ltd
Original Assignee
Communications Patents Ltd
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 Communications Patents Ltd filed Critical Communications Patents Ltd
Publication of FR2264447A1 publication Critical patent/FR2264447A1/fr
Application granted granted Critical
Publication of FR2264447B1 publication Critical patent/FR2264447B1/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
    • H04N7/17345—Control of the passage of the selected programme
    • H04N7/17354—Control of the passage of the selected programme in an intermediate station common to a plurality of user terminals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Details Of Television Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Mobile Radio Communication Systems (AREA)
FR7508819A 1974-03-16 1975-03-14 Expired FR2264447B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB11791/74A GB1480749A (en) 1974-03-16 1974-03-16 Wired broadcasting systems

Publications (2)

Publication Number Publication Date
FR2264447A1 true FR2264447A1 (fr) 1975-10-10
FR2264447B1 FR2264447B1 (fr) 1981-07-24

Family

ID=9992776

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7508819A Expired FR2264447B1 (fr) 1974-03-16 1975-03-14

Country Status (13)

Country Link
JP (1) JPS50133701A (fr)
BE (1) BE826763A (fr)
CA (1) CA1052446A (fr)
CH (1) CH589981A5 (fr)
DE (1) DE2510865C3 (fr)
ES (1) ES435664A1 (fr)
FR (1) FR2264447B1 (fr)
GB (1) GB1480749A (fr)
IL (1) IL46827A (fr)
IT (1) IT1032322B (fr)
NL (1) NL183694B (fr)
SE (1) SE407002B (fr)
ZA (1) ZA751615B (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2386217A1 (fr) * 1977-03-28 1978-10-27 Oak Industries Inc Changeur de frequence de teledistribution
EP0003823A2 (fr) * 1978-02-22 1979-09-05 Heinrich-Hertz-Institut für Nachrichtentechnik Berlin GmbH Installation pour télévision par câble interactive
FR2463995A1 (fr) * 1979-08-22 1981-02-27 Communications Patents Ltd Systeme de telediffusion dans lequel une selection de programmes est effectuee au moyen de commutateurs actionnes par des abonnes
EP0031457A2 (fr) * 1979-12-20 1981-07-08 Siemens Aktiengesellschaft Système de commutation à large bande
FR2515400A1 (fr) * 1981-10-26 1983-04-29 Visiodis Sa Installation de telesurveillance

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2127257A (en) * 1982-08-17 1984-04-04 Visionhire Cable Limited Distribution apparatus
DE3301208A1 (de) * 1983-01-15 1984-07-26 ANT Nachrichtentechnik GmbH, 7150 Backnang Breitbandverteilnetz
FI19992812A (fi) * 1999-12-29 2001-06-30 Helsingin Puhelin Oyj Menetelmä tietoliikenneverkon, kuten kaapelitelevisioverkon, tiedonsiirtokapasiteetin nostamiseksi

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3073906A (en) * 1959-06-16 1963-01-15 Bell Telephone Labor Inc Line concentrating telephone system
BE632218A (fr) * 1963-05-31
GB1272594A (en) * 1968-08-09 1972-05-03 Communications Patents Ltd Improvements in and relating to wired broadcasting systems

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2386217A1 (fr) * 1977-03-28 1978-10-27 Oak Industries Inc Changeur de frequence de teledistribution
EP0003823A2 (fr) * 1978-02-22 1979-09-05 Heinrich-Hertz-Institut für Nachrichtentechnik Berlin GmbH Installation pour télévision par câble interactive
EP0003823A3 (en) * 1978-02-22 1979-10-17 Heinrich-Hertz-Institut Fur Nachrichtentechnik Berlin Gmbh Interactive cable television installation
FR2463995A1 (fr) * 1979-08-22 1981-02-27 Communications Patents Ltd Systeme de telediffusion dans lequel une selection de programmes est effectuee au moyen de commutateurs actionnes par des abonnes
EP0031457A2 (fr) * 1979-12-20 1981-07-08 Siemens Aktiengesellschaft Système de commutation à large bande
EP0031457A3 (fr) * 1979-12-20 1981-07-15 Siemens Aktiengesellschaft Système de commutation à large bande
FR2515400A1 (fr) * 1981-10-26 1983-04-29 Visiodis Sa Installation de telesurveillance

Also Published As

Publication number Publication date
IL46827A (en) 1977-07-31
DE2510865B2 (de) 1978-12-14
NL7503107A (nl) 1975-09-18
ZA751615B (en) 1976-02-25
DE2510865C3 (de) 1983-11-10
SE407002B (sv) 1979-03-05
IT1032322B (it) 1979-05-30
IL46827A0 (en) 1975-05-22
GB1480749A (en) 1977-07-20
NL183694B (nl) 1988-07-18
DE2510865A1 (de) 1975-09-18
ES435664A1 (es) 1976-12-01
SE7502806L (fr) 1975-09-17
BE826763A (fr) 1975-07-16
FR2264447B1 (fr) 1981-07-24
CH589981A5 (fr) 1977-07-29
JPS50133701A (fr) 1975-10-23
CA1052446A (fr) 1979-04-10

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Legal Events

Date Code Title Description
ST Notification of lapse