CH552316A - Drahtfunksystem. - Google Patents

Drahtfunksystem.

Info

Publication number
CH552316A
CH552316A CH1687272A CH1687272A CH552316A CH 552316 A CH552316 A CH 552316A CH 1687272 A CH1687272 A CH 1687272A CH 1687272 A CH1687272 A CH 1687272A CH 552316 A CH552316 A CH 552316A
Authority
CH
Switzerland
Prior art keywords
wireless system
wireless
Prior art date
Application number
CH1687272A
Other languages
English (en)
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 CH552316A publication Critical patent/CH552316A/de

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
    • 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
    • H04N2007/17372—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal the upstream transmission being initiated or timed by a signal from upstream of the user terminal
    • 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
    • H04N2007/1739—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal the upstream communication being transmitted via a separate link, e.g. telephone line
CH1687272A 1971-11-25 1972-11-20 Drahtfunksystem. CH552316A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5482271A GB1412586A (en) 1971-11-25 1971-11-25 Wired broadcasting systems

Publications (1)

Publication Number Publication Date
CH552316A true CH552316A (de) 1974-07-31

Family

ID=10472182

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1687272A CH552316A (de) 1971-11-25 1972-11-20 Drahtfunksystem.

Country Status (14)

Country Link
JP (1) JPS4864802A (de)
AU (1) AU467268B2 (de)
BE (1) BE791941A (de)
CH (1) CH552316A (de)
DE (1) DE2257644C3 (de)
ES (1) ES408940A1 (de)
FR (1) FR2161122B1 (de)
GB (1) GB1412586A (de)
IL (1) IL40808A (de)
IT (1) IT973721B (de)
MT (1) MTP730B (de)
NL (1) NL7215797A (de)
SE (1) SE387027B (de)
ZA (1) ZA728024B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2917978C2 (de) * 1979-05-04 1983-12-22 Volker Joachim 4400 Münster Remme Kabelkommunikationssystem
DE3267366D1 (en) * 1982-04-29 1985-12-19 Deltavisie Bv System for transmitting programme or data signals
EP0094794B1 (de) * 1982-05-14 1992-04-22 Communications Patents Limited Kommunikationssystem
GB2164229B (en) * 1982-05-14 1986-08-20 Communications Patents Ltd Communications system
US4605958A (en) * 1983-04-14 1986-08-12 Control Data Corporation Method and apparatus for detecting the channel to which an electronic receiver system is tuned
US4789860A (en) * 1985-03-12 1988-12-06 U.S. Philips Corp. Interface between a receiver and a sub-system
US4896209A (en) * 1987-02-10 1990-01-23 Sony Corporation Passenger vehicle polling system having a central unit for polling passenger seat terminal units

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1409479A (fr) * 1963-07-24 1965-08-27 Skiatron Elect & Tele émetteurs-récepteurs asservis dits transponders retransmettant des signaux produits par la station centrale

Also Published As

Publication number Publication date
AU4920072A (en) 1974-05-23
JPS4864802A (de) 1973-09-07
MTP730B (en) 1973-08-10
DE2257644C3 (de) 1980-01-17
AU467268B2 (en) 1975-11-27
ES408940A1 (es) 1975-10-16
ZA728024B (en) 1973-07-25
FR2161122A1 (de) 1973-07-06
GB1412586A (en) 1975-11-05
IL40808A (en) 1976-08-31
IT973721B (it) 1974-06-10
FR2161122B1 (de) 1978-03-03
IL40808A0 (en) 1973-01-30
SE387027B (sv) 1976-08-23
NL7215797A (de) 1973-05-29
DE2257644A1 (de) 1973-05-30
DE2257644B2 (de) 1979-05-17
BE791941A (fr) 1973-03-16

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Legal Events

Date Code Title Description
PL Patent ceased