FR749076A - Microphone - Google Patents

Microphone

Info

Publication number
FR749076A
FR749076A FR749076DA FR749076A FR 749076 A FR749076 A FR 749076A FR 749076D A FR749076D A FR 749076DA FR 749076 A FR749076 A FR 749076A
Authority
FR
France
Prior art keywords
microphone
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)
Inventor
Georg Neumann
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 filed Critical
Application granted granted Critical
Publication of FR749076A publication Critical patent/FR749076A/en
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
    • H04R19/00—Electrostatic transducers
    • H04R19/04—Microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
FR749076D 1932-07-16 1933-01-14 Microphone Expired FR749076A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE420390X 1932-07-16

Publications (1)

Publication Number Publication Date
FR749076A true FR749076A (en) 1933-07-18

Family

ID=6451375

Family Applications (1)

Application Number Title Priority Date Filing Date
FR749076D Expired FR749076A (en) 1932-07-16 1933-01-14 Microphone

Country Status (2)

Country Link
FR (1) FR749076A (en)
GB (1) GB420390A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE924325C (en) * 1952-10-06 1955-02-28 Nordwestdeutscher Rundfunk Ans Condenser microphone

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2445821A (en) * 1944-03-29 1948-07-27 Noble E Brewer Condenser microphone
DE1082298B (en) * 1957-04-13 1960-05-25 Rudolf Goerike Dr Small condenser microphone
US3007012A (en) * 1958-03-14 1961-10-31 Rca Corp Directional electrostatic microphone
US4081626A (en) * 1976-11-12 1978-03-28 Polaroid Corporation Electrostatic transducer having narrowed directional characteristic
GB8317555D0 (en) * 1983-06-28 1983-08-03 Gibson Dawson J Microphone
US7903835B2 (en) * 2006-10-18 2011-03-08 The Research Foundation Of State University Of New York Miniature non-directional microphone

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE924325C (en) * 1952-10-06 1955-02-28 Nordwestdeutscher Rundfunk Ans Condenser microphone

Also Published As

Publication number Publication date
GB420390A (en) 1934-11-30

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