FR928176A - Diaphragm for dynamic loudspeakers - Google Patents

Diaphragm for dynamic loudspeakers

Info

Publication number
FR928176A
FR928176A FR928176DA FR928176A FR 928176 A FR928176 A FR 928176A FR 928176D A FR928176D A FR 928176DA FR 928176 A FR928176 A FR 928176A
Authority
FR
France
Prior art keywords
diaphragm
dynamic loudspeakers
loudspeakers
dynamic
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
Rene-Claudius Carteron
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 FR928176A publication Critical patent/FR928176A/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
FR928176D 1946-05-15 1946-05-15 Diaphragm for dynamic loudspeakers Expired FR928176A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR928176T 1946-05-15

Publications (1)

Publication Number Publication Date
FR928176A true FR928176A (en) 1947-11-20

Family

ID=9441569

Family Applications (1)

Application Number Title Priority Date Filing Date
FR928176D Expired FR928176A (en) 1946-05-15 1946-05-15 Diaphragm for dynamic loudspeakers

Country Status (1)

Country Link
FR (1) FR928176A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE940996C (en) * 1951-12-05 1956-03-29 Gen Electric Co Ltd Loudspeaker with cone membrane
DE1018466B (en) * 1956-08-06 1957-10-31 Isophon Werke Ges Mit Beschrae Oval speaker cone
US3180945A (en) * 1961-09-22 1965-04-27 Wm H Welsh Co Inc Loudspeaker
US3221834A (en) * 1963-05-09 1965-12-07 Hawley Products Co Acoustic diaphragm
US4146756A (en) * 1977-01-28 1979-03-27 Hitachi, Ltd. Moving voice coil transducer with diaphragm having concentric sections of opposite curvature
WO1988002977A1 (en) * 1985-04-17 1988-04-21 Claes Malmqvist Arrangement in loud speakers

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE940996C (en) * 1951-12-05 1956-03-29 Gen Electric Co Ltd Loudspeaker with cone membrane
DE1018466B (en) * 1956-08-06 1957-10-31 Isophon Werke Ges Mit Beschrae Oval speaker cone
US3180945A (en) * 1961-09-22 1965-04-27 Wm H Welsh Co Inc Loudspeaker
US3221834A (en) * 1963-05-09 1965-12-07 Hawley Products Co Acoustic diaphragm
US4146756A (en) * 1977-01-28 1979-03-27 Hitachi, Ltd. Moving voice coil transducer with diaphragm having concentric sections of opposite curvature
WO1988002977A1 (en) * 1985-04-17 1988-04-21 Claes Malmqvist Arrangement in loud speakers

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