GB1405870A - Decoder for multiple channel fm signal - Google Patents

Decoder for multiple channel fm signal

Info

Publication number
GB1405870A
GB1405870A GB754674A GB754674A GB1405870A GB 1405870 A GB1405870 A GB 1405870A GB 754674 A GB754674 A GB 754674A GB 754674 A GB754674 A GB 754674A GB 1405870 A GB1405870 A GB 1405870A
Authority
GB
United Kingdom
Prior art keywords
signal
frequency
signals
pilot signal
subcarrier
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
GB754674A
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.)
Quadracast Systems Inc
Original Assignee
Quadracast Systems Inc
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 Quadracast Systems Inc filed Critical Quadracast Systems Inc
Publication of GB1405870A publication Critical patent/GB1405870A/en
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
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • H04H20/89—Stereophonic broadcast systems using three or more audio channels, e.g. triphonic or quadraphonic

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Stereo-Broadcasting Methods (AREA)
GB754674A 1973-02-21 1974-02-19 Decoder for multiple channel fm signal Expired GB1405870A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33437073A 1973-02-21 1973-02-21

Publications (1)

Publication Number Publication Date
GB1405870A true GB1405870A (en) 1975-09-10

Family

ID=23306904

Family Applications (1)

Application Number Title Priority Date Filing Date
GB754674A Expired GB1405870A (en) 1973-02-21 1974-02-19 Decoder for multiple channel fm signal

Country Status (7)

Country Link
JP (1) JPS49115601A (enrdf_load_stackoverflow)
BE (1) BE811207A (enrdf_load_stackoverflow)
DE (1) DE2408630A1 (enrdf_load_stackoverflow)
FR (1) FR2218702A1 (enrdf_load_stackoverflow)
GB (1) GB1405870A (enrdf_load_stackoverflow)
IT (1) IT1007426B (enrdf_load_stackoverflow)
NL (1) NL7402371A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3798377A (en) * 1972-04-07 1974-03-19 Matsushita Electric Corp Four channel fm decoder utilizing a one-of-four decoder

Also Published As

Publication number Publication date
NL7402371A (enrdf_load_stackoverflow) 1974-08-23
FR2218702A1 (enrdf_load_stackoverflow) 1974-09-13
JPS49115601A (enrdf_load_stackoverflow) 1974-11-05
IT1007426B (it) 1976-10-30
DE2408630A1 (de) 1974-08-22
BE811207A (fr) 1974-06-17

Similar Documents

Publication Publication Date Title
GB1335738A (en) Compatible four channel fm system
GB970051A (en) Compatible stereophonic transmission and reception systems,and methods and components characterizing same
GB1490399A (en) Fm stereophonic signal demodulators
GB911611A (en) Radio diversity receiving system
GB1121353A (en) Communication system
GB1312991A (en) Phase detection system for at least one digital phase modulated wave
CA1152159A (en) Am stereophonic decoder
GB1405870A (en) Decoder for multiple channel fm signal
GB1385651A (en) Matrices and decoders for quadruphonic sound systems
GB1487496A (en) Decoders for 4-channel fm stereophonic composite signals
GB1417884A (en) Decoder system for a four channel signal
GB1295380A (enrdf_load_stackoverflow)
GB875909A (en) Improvements in and relating to electrical signal systems
GB1358782A (en) Frequency division multiplex communication systems
SE7703666L (sv) For bade stereo och mono anpassat rundradiosystem
GB1512138A (en) Balanced synchronous detector circuits
GB1195075A (en) PSK Synchronising System.
GB1468611A (en) Multi-channel record disc reproducing system
GB1279354A (en) Apparatus and method for detecting phase deviation of a pilot sub-carrier in stereophonic multiplex broadcasting
GB1128738A (en) A phase-lock demodulator
GB1091278A (en) Improvements in or relating to multi-channel single-sideband carrier-frequency communication systems
GB1437325A (en) Fm demodulator
GB1384969A (en) Apparatus for resolving phase ambiguities in regenerated carrier signals
GB1500923A (en) Decoding apparatus for use in matrix four channel systems of a plurality of types
GB1391289A (en) Four channel stereophonic system

Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed