IL45198A - Wired broadcasting system - Google Patents

Wired broadcasting system

Info

Publication number
IL45198A
IL45198A IL7445198A IL4519874A IL45198A IL 45198 A IL45198 A IL 45198A IL 7445198 A IL7445198 A IL 7445198A IL 4519874 A IL4519874 A IL 4519874A IL 45198 A IL45198 A IL 45198A
Authority
IL
Israel
Prior art keywords
coils
thyristors
subscriber
groups
control line
Prior art date
Application number
IL7445198A
Other languages
English (en)
Other versions
IL45198A0 (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 IL45198A0 publication Critical patent/IL45198A0/xx
Publication of IL45198A publication Critical patent/IL45198A/en

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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Relay Circuits (AREA)
  • Keying Circuit Devices (AREA)
  • Radio Relay Systems (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
IL7445198A 1974-07-01 1974-07-05 Wired broadcasting system IL45198A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3204773A GB1471145A (en) 1974-07-01 1974-07-01 Wired broadcasting systems

Publications (2)

Publication Number Publication Date
IL45198A0 IL45198A0 (en) 1974-10-22
IL45198A true IL45198A (en) 1977-04-29

Family

ID=10332334

Family Applications (1)

Application Number Title Priority Date Filing Date
IL7445198A IL45198A (en) 1974-07-01 1974-07-05 Wired broadcasting system

Country Status (13)

Country Link
US (1) US3920906A (fr)
JP (1) JPS5071204A (fr)
BE (1) BE817312A (fr)
CA (1) CA1030072A (fr)
CH (1) CH566682A5 (fr)
DE (1) DE2431897C3 (fr)
ES (1) ES427992A1 (fr)
FR (1) FR2236328B1 (fr)
GB (1) GB1471145A (fr)
IL (1) IL45198A (fr)
IT (1) IT1016319B (fr)
NL (1) NL7409082A (fr)
SE (1) SE399350B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2539939A1 (de) * 1974-09-21 1976-04-08 Communications Patents Ltd Drahtfunksystem
US4068296A (en) * 1976-06-30 1978-01-10 General Electric Company Control for remote control wiring system
US4176251A (en) * 1978-05-15 1979-11-27 Transcale A.B. Modular switching system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1337676A (en) * 1918-10-17 1920-04-20 Western Electric Co Telephone system
US1632012A (en) * 1923-12-10 1927-06-14 American Telephone & Telegraph Program-selecting circuits
NL268865A (fr) * 1960-09-01
BE634094A (fr) * 1962-06-28
US3381146A (en) * 1967-08-04 1968-04-30 Navy Usa Trigger pulse circuit
US3614322A (en) * 1969-09-22 1971-10-19 Chester Electronic Lab Inc System for selecting and reproducing perceptible programs

Also Published As

Publication number Publication date
BE817312A (fr) 1974-11-04
SE399350B (sv) 1978-02-06
FR2236328B1 (fr) 1978-03-24
IT1016319B (it) 1977-05-30
DE2431897B2 (de) 1979-01-25
CH566682A5 (fr) 1975-09-15
DE2431897A1 (de) 1975-01-30
AU7087674A (en) 1976-01-08
ES427992A1 (es) 1976-08-16
US3920906A (en) 1975-11-18
DE2431897C3 (de) 1979-09-27
JPS5071204A (fr) 1975-06-13
GB1471145A (en) 1977-04-21
IL45198A0 (en) 1974-10-22
CA1030072A (fr) 1978-04-25
FR2236328A1 (fr) 1975-01-31
NL7409082A (nl) 1975-01-07
SE7408814L (fr) 1975-01-07

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