ES441115A1 - Sistema de radiodifusion por cable. - Google Patents

Sistema de radiodifusion por cable.

Info

Publication number
ES441115A1
ES441115A1 ES441115A ES441115A ES441115A1 ES 441115 A1 ES441115 A1 ES 441115A1 ES 441115 A ES441115 A ES 441115A ES 441115 A ES441115 A ES 441115A ES 441115 A1 ES441115 A1 ES 441115A1
Authority
ES
Spain
Prior art keywords
broadcasting system
switch
program signal
wired broadcasting
transistor switches
Prior art date
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
ES441115A
Other languages
English (en)
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
Priority claimed from GB4119574A external-priority patent/GB1475363A/en
Application filed by Communications Patents Ltd filed Critical Communications Patents Ltd
Publication of ES441115A1 publication Critical patent/ES441115A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/76—Wired systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Electronic Switches (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Paper (AREA)
ES441115A 1974-09-21 1975-09-19 Sistema de radiodifusion por cable. Expired ES441115A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4119574A GB1475363A (en) 1974-09-21 1974-09-21 Wired broadcasting systems
GB4706674 1974-10-30

Publications (1)

Publication Number Publication Date
ES441115A1 true ES441115A1 (es) 1977-06-16

Family

ID=26264618

Family Applications (1)

Application Number Title Priority Date Filing Date
ES441115A Expired ES441115A1 (es) 1974-09-21 1975-09-19 Sistema de radiodifusion por cable.

Country Status (10)

Country Link
US (1) US4007424A (es)
JP (1) JPS5158001A (es)
CA (1) CA1041912A (es)
CH (1) CH586978A5 (es)
DE (1) DE2539939A1 (es)
ES (1) ES441115A1 (es)
FR (1) FR2285772A1 (es)
IL (1) IL48109A (es)
NL (1) NL7510725A (es)
SE (2) SE405190B (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4979217A (en) * 1986-05-08 1990-12-18 Shipley Robert T Programmed audio controller

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2226692A (en) * 1938-03-11 1940-12-31 Bendix Radio Corp Control system
US2205272A (en) * 1938-06-11 1940-06-18 Stromberg Carlson Telephone Remotely controlled radio receiving system
GB954916A (en) * 1961-03-01 1964-04-08 Pye Ltd Signal distribution system
GB1162377A (en) * 1966-09-13 1969-08-27 Communications Patents Ltd Wired Broadcasting Systems and Apparatus therefor
GB1471145A (en) * 1974-07-01 1977-04-21 Communications Patents Ltd Wired broadcasting systems

Also Published As

Publication number Publication date
DE2539939B2 (es) 1979-01-18
SE405190B (sv) 1978-11-20
IL48109A0 (en) 1975-11-25
SE7510383L (sv) 1976-03-22
CH586978A5 (es) 1977-04-15
AU8483775A (en) 1977-03-24
SE408190B (sv) 1979-05-21
JPS5158001A (en) 1976-05-21
CA1041912A (en) 1978-11-07
IL48109A (en) 1978-04-30
FR2285772A1 (fr) 1976-04-16
NL7510725A (nl) 1976-03-23
US4007424A (en) 1977-02-08
DE2539939A1 (de) 1976-04-08

Similar Documents

Publication Publication Date Title
ES414064A1 (es) Un sistema para una red de television por cable.
GB1043621A (en) Electrical control circuits embodying semiconductor devices
ES441115A1 (es) Sistema de radiodifusion por cable.
ES455499A1 (es) Perfeccionamientos en dispositivos de control de superposi- cion para aparatos excitadores de cinescopios de television.
ES308682A1 (es) Procedimiento para la fabricacion de varios contactos agrupados especialmente para interruptores corredizos.
ES301976A1 (es) Un dispositivo electrico de conmutacion.
ES427992A1 (es) Un sistema de difusion por conductores.
ES463977A1 (es) Conmutador para sistemas de difusion por cable.
ES417903A1 (es) Disposicion de circuito de desciacion vertical para recep- tores de television.
ES344955A1 (es) Un sistema de telecomunicacion por conductores.
GB1035717A (en) Switching circuit
GB1177544A (en) An Electric Circuit Interrupter.
GB1048418A (en) Transistor switching circuit
ES182275U (es) Dispositivo de mando a distancia mediante cables para receptores de television.
SE309629B (es)
JPS5242358A (en) Curret switching circuit
ES460220A1 (es) Perfeccionamientos introducidos en un receptor de televi- sion.
CA661107A (en) Circuit arrangement for silent switching on of a television receiver
ES297064A1 (es) Mejoras introducidas en los intercomunicadores
JPS53148954A (en) Transistor switch circuit
IT1041988B (it) Dispositivo di connessioni per il comando programmato a frequenza in particolare di parecchi elementi di uscita
ATA505975A (de) Schaltungsanordnung zur wahlweisen erzeugung von ein- oder ausschaltsignalen fur die steuerung mehrerer bedienungsglieder mittels eines zweistelligen zweifrequenzcodes
CA959142A (en) Insulating base and neutral wire connector assembly for circuit breaker panelboard
CA663386A (en) Manufacture of electrical contacts
FR2336011A1 (fr) Appareil de commutation pour interphonie ou intercommunication