FR2212717A1 - - Google Patents

Info

Publication number
FR2212717A1
FR2212717A1 FR7318628A FR7318628A FR2212717A1 FR 2212717 A1 FR2212717 A1 FR 2212717A1 FR 7318628 A FR7318628 A FR 7318628A FR 7318628 A FR7318628 A FR 7318628A FR 2212717 A1 FR2212717 A1 FR 2212717A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7318628A
Other languages
French (fr)
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.)
ELEKTROMECHANIKAI VALLALAT
Original Assignee
ELEKTROMECHANIKAI VALLALAT
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 ELEKTROMECHANIKAI VALLALAT filed Critical ELEKTROMECHANIKAI VALLALAT
Publication of FR2212717A1 publication Critical patent/FR2212717A1/fr
Withdrawn legal-status Critical Current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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic System (AREA)
FR7318628A 1972-12-28 1973-05-22 Withdrawn FR2212717A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HUEE002080 HU165189B (en) 1972-12-28 1972-12-28

Publications (1)

Publication Number Publication Date
FR2212717A1 true FR2212717A1 (en) 1974-07-26

Family

ID=10995470

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7318628A Withdrawn FR2212717A1 (en) 1972-12-28 1973-05-22

Country Status (8)

Country Link
JP (1) JPS4998601A (en)
AT (1) AT335515B (en)
CS (1) CS177118B2 (en)
DE (1) DE2307418A1 (en)
FR (1) FR2212717A1 (en)
GB (1) GB1414260A (en)
HU (1) HU165189B (en)
IT (1) IT1009023B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2310672A1 (en) * 1975-05-07 1976-12-03 Emv Elektromechanikai Vallalat Quadrphonic sound equipment using dual composite signals - has four loudspeakers receiving dual compositie signals to produce phantom sound sources

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2136450A5 (en) * 1971-04-15 1972-12-22 Matsushita Electric Ind Co Ltd
FR2144897A1 (en) * 1971-07-08 1973-02-16 Matsushita Electric Ind Co Ltd

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2136450A5 (en) * 1971-04-15 1972-12-22 Matsushita Electric Ind Co Ltd
FR2144897A1 (en) * 1971-07-08 1973-02-16 Matsushita Electric Ind Co Ltd

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
Revue DE 'Funkschau', volume 44, No. 4, février 1972, pages 117 - 118, Article: 'Verfahren zur Ubertragung von drei oder vier Nf Signalen über UKW-Sender' de MALLON *
Revue US 'Audio' volume 55, No. 10, octobre 1971, pages 30-32, Article: 'One Approach to Four-Channel-sound', de STARK *
Revue US 'Journal of the Audio Engineering Society', volume 18, No. 2, avril 1970, page 198. Article: 'Time-Division Multiplex for Four-Channel FM', de COOPER *
Revue US 'Journal of the Audio Engineering Society', volume 19, No. 4, avril 1971, pages 267 - 279, Article: 'Four Channels and Compatibility', de SCHEIBER *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2310672A1 (en) * 1975-05-07 1976-12-03 Emv Elektromechanikai Vallalat Quadrphonic sound equipment using dual composite signals - has four loudspeakers receiving dual compositie signals to produce phantom sound sources

Also Published As

Publication number Publication date
ATA138273A (en) 1976-07-15
DE2307418A1 (en) 1974-07-11
HU165189B (en) 1974-07-27
CS177118B2 (en) 1977-07-29
IT1009023B (en) 1976-12-10
JPS4998601A (en) 1974-09-18
AT335515B (en) 1977-03-10
GB1414260A (en) 1975-11-19

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Legal Events

Date Code Title Description
ST Notification of lapse