GB632647A - Improvements in or relating to multiplex carrier signalling systems - Google Patents

Improvements in or relating to multiplex carrier signalling systems

Info

Publication number
GB632647A
GB632647A GB1390346A GB1390346A GB632647A GB 632647 A GB632647 A GB 632647A GB 1390346 A GB1390346 A GB 1390346A GB 1390346 A GB1390346 A GB 1390346A GB 632647 A GB632647 A GB 632647A
Authority
GB
United Kingdom
Prior art keywords
frequency
bands
group
shifted
modulation
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
GB1390346A
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.)
LESLIE TURNER HINTON
STC PLC
Original Assignee
LESLIE TURNER HINTON
Standard Telephone and Cables PLC
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 to BE476931D priority Critical patent/BE476931A/xx
Application filed by LESLIE TURNER HINTON, Standard Telephone and Cables PLC filed Critical LESLIE TURNER HINTON
Priority to GB1390346A priority patent/GB632647A/en
Priority to FR942769D priority patent/FR942769A/fr
Publication of GB632647A publication Critical patent/GB632647A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J1/00Frequency-division multiplex systems
    • H04J1/02Details
    • H04J1/04Frequency-transposition arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
GB1390346A 1946-05-08 1946-05-08 Improvements in or relating to multiplex carrier signalling systems Expired GB632647A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE476931D BE476931A (it) 1946-05-08
GB1390346A GB632647A (en) 1946-05-08 1946-05-08 Improvements in or relating to multiplex carrier signalling systems
FR942769D FR942769A (fr) 1946-05-08 1947-03-08 Systèmes de signalisation multiplex à onde porteuse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1390346A GB632647A (en) 1946-05-08 1946-05-08 Improvements in or relating to multiplex carrier signalling systems

Publications (1)

Publication Number Publication Date
GB632647A true GB632647A (en) 1949-11-28

Family

ID=10031467

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1390346A Expired GB632647A (en) 1946-05-08 1946-05-08 Improvements in or relating to multiplex carrier signalling systems

Country Status (3)

Country Link
BE (1) BE476931A (it)
FR (1) FR942769A (it)
GB (1) GB632647A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT8149373A0 (it) * 1981-09-25 1981-09-25 Stufa Vincenzo E Salaris Anton Dispositivo per la versione simultanea cinematografica in piu' lingue

Also Published As

Publication number Publication date
BE476931A (it)
FR942769A (fr) 1949-02-17

Similar Documents

Publication Publication Date Title
GB550193A (en) Improvements in and relating to multiplex frequency-modulation systems
GB993585A (en) Repeater for multiplex communication system
GB638345A (en) Multi-channel communicating systems
GB742977A (en) Improvements in or relating to electric carrier current communication systems
GB602849A (en) Multi-channel electric pulse communicating systems
GB627324A (en) Multiplex communication system using a phase-modulated carrier
GB678079A (en) Improvements in receiving stations for transmission systems with suppressed carrier wave
GB604130A (en) Improvements in or relating to electric pulse communication systems
GB632647A (en) Improvements in or relating to multiplex carrier signalling systems
GB1499232A (en) Telephone set and system
GB654253A (en) Improvements in or relating to radio telegraph communication systems
GB929025A (en) Improvements in or relating to signal transmission systems
GB1091278A (en) Improvements in or relating to multi-channel single-sideband carrier-frequency communication systems
GB913089A (en) Improvements in or relating to multi-channel electric wave signalling systems
GB595712A (en) Multi-channel telephone systems
JPS5459004A (en) Fm stereo modulating system
GB897980A (en) Improvements in or relating to carrier frequency telegraph systems
GB754185A (en) Multiplex frequency modulation transmitter
JPS534413A (en) Hybrid multiplez transmission systen for broacdast lines and telephone lines
GB556923A (en) Improvements relating to radio signalling systems
GB596495A (en) Multi-channel telephone systems
GB632778A (en) Improvements in telephonic transmission systems using multiple channel carrier currents
GB605396A (en) Improvements in and relating to short-wave multiple channel telephony and signalling
GB603586A (en) Multiplex radio signalling system
GB955483A (en) Television transmitting system