FR994075A - Microphone - Google Patents

Microphone

Info

Publication number
FR994075A
FR994075A FR994075DA FR994075A FR 994075 A FR994075 A FR 994075A FR 994075D A FR994075D A FR 994075DA FR 994075 A FR994075 A FR 994075A
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
Robert Baulu
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 FR994075A publication Critical patent/FR994075A/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
FR994075D 1944-12-15 1944-12-15 Microphone Expired FR994075A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR994075T 1944-12-15

Publications (1)

Publication Number Publication Date
FR994075A true FR994075A (en) 1951-11-12

Family

ID=9556126

Family Applications (1)

Application Number Title Priority Date Filing Date
FR994075D Expired FR994075A (en) 1944-12-15 1944-12-15 Microphone

Country Status (1)

Country Link
FR (1) FR994075A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2934612A (en) * 1957-10-24 1960-04-26 Walter O Stanton Electrostatic speaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2934612A (en) * 1957-10-24 1960-04-26 Walter O Stanton Electrostatic speaker

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