GB1391290A - Four channel stereophonic system - Google Patents

Four channel stereophonic system

Info

Publication number
GB1391290A
GB1391290A GB5457873A GB5457873A GB1391290A GB 1391290 A GB1391290 A GB 1391290A GB 5457873 A GB5457873 A GB 5457873A GB 5457873 A GB5457873 A GB 5457873A GB 1391290 A GB1391290 A GB 1391290A
Authority
GB
United Kingdom
Prior art keywords
subcarrier
filter
sideband
frequency
channel stereophonic
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
GB5457873A
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
Priority claimed from US05/311,195 external-priority patent/US3934092A/en
Application filed by General Electric Co filed Critical General Electric Co
Publication of GB1391290A publication Critical patent/GB1391290A/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)
  • Transmitters (AREA)
  • Stereo-Broadcasting Methods (AREA)
GB5457873A 1972-12-01 1973-11-23 Four channel stereophonic system Expired GB1391290A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/311,195 US3934092A (en) 1971-09-21 1972-12-01 Four channel stereophonic broadcasting system

Publications (1)

Publication Number Publication Date
GB1391290A true GB1391290A (en) 1975-04-23

Family

ID=23205826

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5457873A Expired GB1391290A (en) 1972-12-01 1973-11-23 Four channel stereophonic system

Country Status (4)

Country Link
JP (1) JPS4989502A (enrdf_load_stackoverflow)
DE (1) DE2359254A1 (enrdf_load_stackoverflow)
FR (1) FR2211821B2 (enrdf_load_stackoverflow)
GB (1) GB1391290A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5263379B2 (ja) 2011-12-15 2013-08-14 三浦工業株式会社 ドレン回収システム

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR727097A (fr) * 1931-02-05 1932-06-13 Radio Electr Soc Fr Perfectionnements aux transmetteurs émettant des ondes modulées et aux récepteurs
CA984007A (en) * 1971-09-21 1976-02-17 Antal Csicsatka Four channel stereophonic system

Also Published As

Publication number Publication date
DE2359254A1 (de) 1974-06-06
JPS4989502A (enrdf_load_stackoverflow) 1974-08-27
FR2211821B2 (enrdf_load_stackoverflow) 1981-08-21
FR2211821A2 (enrdf_load_stackoverflow) 1974-07-19

Similar Documents

Publication Publication Date Title
GB1332513A (en) Signal separation apparatus for stereophonic multiplex receivers
GB1091688A (en) Demodulation of modulated signals
PT72652B (en) Modulated amplitude signals stereophonic receiver
GB1391290A (en) Four channel stereophonic system
JPS5228208A (en) Fm multiplex stereo demodulator circuit
GB1091278A (en) Improvements in or relating to multi-channel single-sideband carrier-frequency communication systems
ES457535A1 (es) Perfeccionamientos en sistemas de emision y recepcion en am para la transmision con dos senales en una sola onda porta- dora.
CA1030225A (en) 4-channel stereophonic demodulating system
GB622255A (en) Improvements in or relating to devices for stereophonic transmission by electric means
ES284699A1 (es) Un circuito descodificador multiplex
GB1468444A (en) Multiplexer for telephone channels
GB1391289A (en) Four channel stereophonic system
ATE6185T1 (de) Fernsehempfaenger mit einem nach dem differenztraegerverfahren arbeitenden tonkanal.
GB554914A (en) Application of frequency dividers to the reception of signal modulated electric carrier waves
GB1043232A (en) Improved wired broadcasting systems and apparatus therefor
GB1136136A (en) Multi-channel single-sideband carrier frequency system
AU468388B2 (en) Channel filter arrangement fora carrier frequency transmission system
JPS57171869A (en) Modulating system
GB924499A (en) Amplifier for two-channel transmission
GB1214597A (en) Improvements in or relating to communications system
JPS57140084A (en) Recording system for plurality of channel of audio signal
JPS5580969A (en) Television multiple sound broadcast receiver
GB1160613A (en) Improvements in or relating to Carrier Transmission Systems for Stereo Audio Signals
GB894922A (en) Improvements relating to stereophonic sound transmission systems
GB933857A (en) Improvements relating to stereophonic sound transmission systems

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee