ES441682A1 - Un centro de conmutacion electronica para un sistema de co- municaciones. - Google Patents

Un centro de conmutacion electronica para un sistema de co- municaciones.

Info

Publication number
ES441682A1
ES441682A1 ES441682A ES441682A ES441682A1 ES 441682 A1 ES441682 A1 ES 441682A1 ES 441682 A ES441682 A ES 441682A ES 441682 A ES441682 A ES 441682A ES 441682 A1 ES441682 A1 ES 441682A1
Authority
ES
Spain
Prior art keywords
transmitter
signal
receiver
generator
signals
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
ES441682A
Other languages
English (en)
Spanish (es)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES441682A1 publication Critical patent/ES441682A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/02—Selecting arrangements for multiplex systems for frequency-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Radio Relay Systems (AREA)
ES441682A 1974-10-11 1975-10-10 Un centro de conmutacion electronica para un sistema de co- municaciones. Expired ES441682A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7434275A FR2287820A1 (fr) 1974-10-11 1974-10-11 Centre de commutation electronique pour systeme de telecommunication

Publications (1)

Publication Number Publication Date
ES441682A1 true ES441682A1 (es) 1977-04-01

Family

ID=9144004

Family Applications (1)

Application Number Title Priority Date Filing Date
ES441682A Expired ES441682A1 (es) 1974-10-11 1975-10-10 Un centro de conmutacion electronica para un sistema de co- municaciones.

Country Status (6)

Country Link
JP (1) JPS5214305A (ja)
BE (1) BE834419R (ja)
BR (1) BR7506506A (ja)
ES (1) ES441682A1 (ja)
FR (1) FR2287820A1 (ja)
IT (1) IT1043197B (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53146787U (ja) * 1977-04-23 1978-11-18
KR870004587A (ko) * 1985-10-16 1987-05-11 엘리 와이스 무선 근거리 통신 장치
GB8700458D0 (en) * 1987-01-09 1987-02-11 Unvala Ltd Communications systems
GB9523002D0 (en) * 1995-11-09 1996-01-10 Raychem Ltd Flame-retarded adhesive composition

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3475558A (en) * 1964-09-01 1969-10-28 Magnavox Co Time gated pseudonoise multiplexing system
US3715508A (en) * 1967-09-15 1973-02-06 Ibm Switching circuits employing orthogonal and quasi-orthogonal pseudo-random code sequences

Also Published As

Publication number Publication date
FR2287820A1 (fr) 1976-05-07
JPS5214305A (en) 1977-02-03
BR7506506A (pt) 1976-08-17
FR2287820B1 (ja) 1979-07-06
IT1043197B (it) 1980-02-20
JPS564076B2 (ja) 1981-01-28
BE834419R (fr) 1976-04-13

Similar Documents

Publication Publication Date Title
GB1318952A (en) Remote control system for a pcm transmission system
US2861257A (en) Power line relaying
US1742902A (en) Multichannel radio communication system
ES441682A1 (es) Un centro de conmutacion electronica para un sistema de co- municaciones.
US1592940A (en) Secret signaling
GB1129882A (en) Communication system
US2438902A (en) Pulse multiplex system employing fixed pulse-time displacement for signaling
GB1499232A (en) Telephone set and system
US1464565A (en) Call system for radiotelephony
GB1509244A (en) High voltage current converters
GB970315A (en) Circuit arrangement for sending and receiving code signals
GB1493869A (en) Circuit arrangements including amplifiers
DE3069003D1 (en) Communication equipment
JPS56157150A (en) Composite digital communication system
GB851810A (en) Improvements in or relating to amplitude compression and expansion arrangements in communication systems
JPS6486722A (en) Power line communication equipment
JPS5449002A (en) Secret communication system
GB351991A (en) Improvements in or relating to carrier wave signalling systems
ES371179A1 (es) Metodo de transmision de datos.
JPS51112210A (en) Mobile communication equipment
GB753645A (en) Improvements in or relating to electric pulse modulating and demodulating circuits
FR2232155A1 (en) Four gate hybrid duplexer - for transmitters and receivers using the same antennae
SU1840150A1 (ru) Система спутниковой связи
Smith A medium-haul carrier telephone system
JPS51112211A (en) Mobile communication equipment