FR1072884A - Microphone magnétique - Google Patents

Microphone magnétique

Info

Publication number
FR1072884A
FR1072884A FR1072884DA FR1072884A FR 1072884 A FR1072884 A FR 1072884A FR 1072884D A FR1072884D A FR 1072884DA FR 1072884 A FR1072884 A FR 1072884A
Authority
FR
France
Prior art keywords
magnetic microphone
microphone
magnetic
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
English (en)
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 FR1072884A publication Critical patent/FR1072884A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/08—Microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
FR1072884D 1952-03-13 1953-03-11 Microphone magnétique Expired FR1072884A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE748136X 1952-03-13

Publications (1)

Publication Number Publication Date
FR1072884A true FR1072884A (fr) 1954-09-16

Family

ID=6648814

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1072884D Expired FR1072884A (fr) 1952-03-13 1953-03-11 Microphone magnétique

Country Status (4)

Country Link
BE (1) BE518374A (xx)
FR (1) FR1072884A (xx)
GB (1) GB748136A (xx)
NL (1) NL88106C (xx)

Also Published As

Publication number Publication date
GB748136A (en) 1956-04-25
BE518374A (xx)
NL88106C (xx)

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