FR877250A - Stereophonic sound transmission device - Google Patents

Stereophonic sound transmission device

Info

Publication number
FR877250A
FR877250A FR877250DA FR877250A FR 877250 A FR877250 A FR 877250A FR 877250D A FR877250D A FR 877250DA FR 877250 A FR877250 A FR 877250A
Authority
FR
France
Prior art keywords
transmission device
sound transmission
stereophonic sound
stereophonic
transmission
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
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR877250A publication Critical patent/FR877250A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR877250D 1940-11-27 1941-11-25 Stereophonic sound transmission device Expired FR877250A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL877250X 1940-11-27

Publications (1)

Publication Number Publication Date
FR877250A true FR877250A (en) 1942-12-01

Family

ID=19851437

Family Applications (1)

Application Number Title Priority Date Filing Date
FR877250D Expired FR877250A (en) 1940-11-27 1941-11-25 Stereophonic sound transmission device

Country Status (1)

Country Link
FR (1) FR877250A (en)

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