FR690527A - Haut-parleur électrostatique - Google Patents

Haut-parleur électrostatique

Info

Publication number
FR690527A
FR690527A FR690527DA FR690527A FR 690527 A FR690527 A FR 690527A FR 690527D A FR690527D A FR 690527DA FR 690527 A FR690527 A FR 690527A
Authority
FR
France
Prior art keywords
electrostatic speaker
speaker
electrostatic
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)
Inventor
Albert Rauser
Wilhelm Steuer
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 FR690527A publication Critical patent/FR690527A/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
    • H04R19/02—Loudspeakers
FR690527D 1930-02-12 1930-02-25 Haut-parleur électrostatique Expired FR690527A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB469430A GB348573A (en) 1930-02-12 1930-02-12 Improvements relating to electrostatic loud-speakers

Publications (1)

Publication Number Publication Date
FR690527A true FR690527A (fr) 1930-09-23

Family

ID=9782030

Family Applications (1)

Application Number Title Priority Date Filing Date
FR690527D Expired FR690527A (fr) 1930-02-12 1930-02-25 Haut-parleur électrostatique

Country Status (3)

Country Link
BE (1) BE368089A (fr)
FR (1) FR690527A (fr)
GB (1) GB348573A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2659022A (en) * 1951-05-22 1953-11-10 Tele King Corp Electrostatic deflection system
US3008013A (en) * 1954-07-20 1961-11-07 Ferranti Ltd Electrostatic loudspeakers
DE1103391B (de) * 1955-10-19 1961-03-30 Max Braun Fa Elektrostatischer Lautsprecher
US3118022A (en) * 1961-08-07 1964-01-14 Bell Telephone Labor Inc Electroacoustic transducer
US3778561A (en) * 1972-06-21 1973-12-11 Bell Canada Northern Electric Electret microphone
JPS5419172B2 (fr) * 1973-07-23 1979-07-13
US4160881A (en) * 1977-12-28 1979-07-10 Microtel B.V. Electret transducers: acoustically transparent backplate of sintered conductive spheres and a thin electret coating; meshlike diaphragm spacing screen overlays apertured electret backplate with screen junctions overlaying the apertures

Also Published As

Publication number Publication date
GB348573A (en) 1931-05-12
BE368089A (fr) 1930-03-31

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