GB1296034A - - Google Patents

Info

Publication number
GB1296034A
GB1296034A GB1296034DA GB1296034A GB 1296034 A GB1296034 A GB 1296034A GB 1296034D A GB1296034D A GB 1296034DA GB 1296034 A GB1296034 A GB 1296034A
Authority
GB
United Kingdom
Prior art keywords
khz
frequency
channels
band
bands
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
Other languages
English (en)
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 filed Critical
Publication of GB1296034A publication Critical patent/GB1296034A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
GB1296034D 1968-11-04 1968-11-04 Expired GB1296034A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5220668 1968-11-04

Publications (1)

Publication Number Publication Date
GB1296034A true GB1296034A (enExample) 1972-11-15

Family

ID=10463035

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1296034D Expired GB1296034A (enExample) 1968-11-04 1968-11-04

Country Status (1)

Country Link
GB (1) GB1296034A (enExample)

Similar Documents

Publication Publication Date Title
GB1073568A (en) Multiplex pulse communication system
GB1444258A (en) Telephone systems
GB1296034A (enExample)
GB1468444A (en) Multiplexer for telephone channels
GB1091278A (en) Improvements in or relating to multi-channel single-sideband carrier-frequency communication systems
GB1023699A (en) Improvements in or relating to pulse multiplexing systems
GB1226162A (enExample)
FR2266985A1 (en) Radio communication method for service conversations - has message and distance monitoring signal transmission in digital form
GB751179A (en) Multichannel radio signalling system
JPS5249717A (en) Secondary carrier wave superposition pcm-im transmission system
JPS5413714A (en) Multi-frequency signal reception system
SU633148A1 (ru) Способ формировани параллельного составного сигнала св зи
JPS51140411A (en) Sound input and output circuit for time division telephone exchange
JPS54126401A (en) Mobile radio selective calling system
GB981184A (en) Improvements in or relating to frequency converter arrangements for multi-channel modulated carrier communication systems
JPS52117012A (en) S/n improvement
GB1206906A (en) Receiver for receiving and demodulating frequency-modulated carrier waves
JPS5210015A (en) Transmitter and receiver with wide band range cable
JPS5772434A (en) Communication system
GB773687A (en) Improvements in audio-frequency signalling arrangements in multiplex carrier wave telephone systems
GB754185A (en) Multiplex frequency modulation transmitter
IT1071992B (it) Sistema di segnalazione particolarmente per comunicazioni radio
JPS5273609A (en) Communication system
JPS5660118A (en) Radio communication system
GB630399A (en) Improvements in and relating to multiplex radio stations operating as a network

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees