FR679150A - Perfectionnements apportés aux microphones électrostatiques - Google Patents

Perfectionnements apportés aux microphones électrostatiques

Info

Publication number
FR679150A
FR679150A FR679150DA FR679150A FR 679150 A FR679150 A FR 679150A FR 679150D A FR679150D A FR 679150DA FR 679150 A FR679150 A FR 679150A
Authority
FR
France
Prior art keywords
condenser microphones
microphones
condenser
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)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR679150A publication Critical patent/FR679150A/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
    • H04R19/00—Electrostatic transducers
    • 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
FR679150D 1928-06-18 1929-06-18 Perfectionnements apportés aux microphones électrostatiques Expired FR679150A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US286107A US1758777A (en) 1928-06-18 1928-06-18 Condenser microphone

Publications (1)

Publication Number Publication Date
FR679150A true FR679150A (fr) 1930-04-09

Family

ID=23097106

Family Applications (1)

Application Number Title Priority Date Filing Date
FR679150D Expired FR679150A (fr) 1928-06-18 1929-06-18 Perfectionnements apportés aux microphones électrostatiques

Country Status (4)

Country Link
US (1) US1758777A (fr)
BE (1) BE361603A (fr)
FR (1) FR679150A (fr)
GB (1) GB313870A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK152639C (da) * 1982-10-08 1989-03-13 Niels Martin Jensen Fremgangsmaade og apparat til udspaending og fastgoerelse af en tynd folie
US7514626B1 (en) 2007-12-14 2009-04-07 John Jerome Snyder Method and apparatus for electrostatic pickup for stringed musical instruments

Also Published As

Publication number Publication date
BE361603A (fr)
US1758777A (en) 1930-05-13
GB313870A (en) 1929-09-26

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