BE751633A - Perfectionnements relatifs aux dispositifs de telediffusion parfil - Google Patents

Perfectionnements relatifs aux dispositifs de telediffusion parfil

Info

Publication number
BE751633A
BE751633A BE751633DA BE751633A BE 751633 A BE751633 A BE 751633A BE 751633D A BE751633D A BE 751633DA BE 751633 A BE751633 A BE 751633A
Authority
BE
Belgium
Prior art keywords
parfil
improvements relating
broadcasting systems
broadcasting
systems
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
E J Gargini
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 BE751633A publication Critical patent/BE751633A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/173Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/10Adaptations for transmission by electrical cable
    • H04N7/106Adaptations for transmission by electrical cable for domestic distribution
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/14Systems for two-way working
    • H04N7/141Systems for two-way working between two video terminals, e.g. videophone

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Alarm Systems (AREA)
BE751633D 1969-06-06 1970-06-08 Perfectionnements relatifs aux dispositifs de telediffusion parfil BE751633A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2887069 1969-06-06

Publications (1)

Publication Number Publication Date
BE751633A true BE751633A (fr) 1970-11-16

Family

ID=10282489

Family Applications (1)

Application Number Title Priority Date Filing Date
BE751633D BE751633A (fr) 1969-06-06 1970-06-08 Perfectionnements relatifs aux dispositifs de telediffusion parfil

Country Status (13)

Country Link
US (1) US3665311A (xx)
JP (1) JPS5118127B1 (xx)
BE (1) BE751633A (xx)
CA (1) CA937319A (xx)
CH (1) CH519830A (xx)
DE (1) DE2027888C3 (xx)
ES (1) ES380453A1 (xx)
FR (1) FR2045883B1 (xx)
GB (1) GB1306367A (xx)
IL (1) IL34658A (xx)
MT (1) MTP665B (xx)
NL (1) NL7008202A (xx)
ZA (1) ZA703840B (xx)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1314457A (en) * 1970-11-12 1973-04-26 Communications Patents Ltd Wired broadcasting systems
ZA718027B (en) * 1970-12-02 1972-08-30 Communications Patents Ltd Wired broadcasting system
DE2104337B1 (de) * 1971-01-29 1972-03-16 Siemens AG, 1000 Berlin u 8000 München Schaltungsanordnung fur eine Fern sprechvermittlungsanlage mit Konferenz einrichtungen
US3860873A (en) * 1971-10-01 1975-01-14 Tape Athon Corp Fm transmission system
US3943447A (en) * 1973-10-10 1976-03-09 Comsonics, Inc. Method and apparatus for bi-directional communication via existing CATV system
US4031543A (en) * 1974-03-11 1977-06-21 Berkeley Varitronics Systems Communication system
US4064460A (en) * 1974-03-16 1977-12-20 Communications Patents Limited Coaxial wired broadcasting system with tone responsive program selectors
US4077006A (en) * 1975-03-14 1978-02-28 Victor Nicholson Bidirectional unicable switching system
USRE31639E (en) * 1975-03-14 1984-07-31 Bidirectional unicable switching system
US4386365A (en) * 1979-06-19 1983-05-31 Communications Patents Limited Combined wired broadcasting and viewphone system
US4367485A (en) * 1981-03-10 1983-01-04 Telecom Engineering, Inc. Two-way microwave television system
DE3315784A1 (de) * 1983-04-30 1984-10-31 Michael 3302 Cremlingen Zadow Ueberwachungsanlage fuer ein gebaeude
DE3484068D1 (de) * 1984-05-19 1991-03-07 Am Cable Tv Ind Inc Faelschungssicheres, ausweitbares uebertragungssystem.
US4789860A (en) * 1985-03-12 1988-12-06 U.S. Philips Corp. Interface between a receiver and a sub-system
US5901340A (en) * 1995-06-28 1999-05-04 The Whitaker Corporation Wideband signal distribution system
US6567981B1 (en) 1998-08-03 2003-05-20 Elysium Broadband Inc. Audio/video signal redistribution system
US9544864B1 (en) * 2016-03-07 2017-01-10 Panasonic Liquid Crystal Display Co., Ltd. Data transmission system and receiving device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2974188A (en) * 1956-12-19 1961-03-07 Citizens Bank Of Maryland Bilateral video transmission system
BE632218A (xx) * 1963-05-31
US3426145A (en) * 1965-05-04 1969-02-04 Cohu Electronics Inc System for coupling one or more of a plurality of output devices such as television monitors to one of a plurality of input devices such as television cameras
FR1444166A (fr) * 1965-05-19 1966-07-01 Compteurs Comp D Dispositif de télécommande

Also Published As

Publication number Publication date
IL34658A0 (en) 1970-08-19
NL7008202A (xx) 1970-12-08
ES380453A1 (es) 1972-10-01
DE2027888C3 (de) 1984-03-22
CH519830A (de) 1972-02-29
IL34658A (en) 1973-08-29
ZA703840B (en) 1971-01-27
FR2045883B1 (xx) 1976-02-06
JPS5118127B1 (xx) 1976-06-08
CA937319A (en) 1973-11-20
US3665311A (en) 1972-05-23
DE2027888A1 (xx) 1970-12-17
DE2027888B2 (de) 1978-08-31
FR2045883A1 (xx) 1971-03-05
GB1306367A (xx) 1973-02-07
MTP665B (en) 1971-05-31

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: COMMUNICATIONS PATENTS LTD

Effective date: 19840608