GB1391289A - Four channel stereophonic system - Google Patents

Four channel stereophonic system

Info

Publication number
GB1391289A
GB1391289A GB4284372A GB4284372A GB1391289A GB 1391289 A GB1391289 A GB 1391289A GB 4284372 A GB4284372 A GB 4284372A GB 4284372 A GB4284372 A GB 4284372A GB 1391289 A GB1391289 A GB 1391289A
Authority
GB
United Kingdom
Prior art keywords
signals
subcarrier
khz
receiver
suppressed
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
GB4284372A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB1391289A publication Critical patent/GB1391289A/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)
  • Stereophonic System (AREA)
GB4284372A 1971-09-21 1972-09-15 Four channel stereophonic system Expired GB1391289A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18231871A 1971-09-21 1971-09-21

Publications (1)

Publication Number Publication Date
GB1391289A true GB1391289A (en) 1975-04-23

Family

ID=22667935

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4284372A Expired GB1391289A (en) 1971-09-21 1972-09-15 Four channel stereophonic system

Country Status (7)

Country Link
JP (1) JPS5416681B2 (enrdf_load_stackoverflow)
KR (1) KR780000452B1 (enrdf_load_stackoverflow)
CA (1) CA984007A (enrdf_load_stackoverflow)
DE (1) DE2246041A1 (enrdf_load_stackoverflow)
FR (1) FR2153359B1 (enrdf_load_stackoverflow)
GB (1) GB1391289A (enrdf_load_stackoverflow)
NL (1) NL7212767A (enrdf_load_stackoverflow)

Families Citing this family (4)

* 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
JPS4989502A (enrdf_load_stackoverflow) * 1972-12-01 1974-08-27
DE2415218A1 (de) * 1974-03-29 1975-10-02 Licentia Gmbh Halbleiterdiode
EP0120901A4 (en) * 1982-10-04 1985-04-11 Stuart David Saunders SIGNAL REPRODUCING APPARATUS.

Also Published As

Publication number Publication date
CA984007A (en) 1976-02-17
JPS4841702A (enrdf_load_stackoverflow) 1973-06-18
FR2153359B1 (enrdf_load_stackoverflow) 1981-05-08
FR2153359A1 (enrdf_load_stackoverflow) 1973-05-04
KR780000452B1 (en) 1978-10-23
NL7212767A (enrdf_load_stackoverflow) 1973-03-23
JPS5416681B2 (enrdf_load_stackoverflow) 1979-06-25
DE2246041A1 (de) 1973-03-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee