CA381438A - Diaphragme acoustique - Google Patents

Diaphragme acoustique

Info

Publication number: CA381438A
Authority: CA; Canada
Prior art keywords: acoustic diaphragm; diaphragm; acoustic
Prior art date: 1939-05-16
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

CA381438A

Other languages

Inventor

W. Scheldorf Marvel

Original Assignee

Radio Corporation of America

Publication date

1939-05-16

1939-05-16 Application granted granted Critical

1939-05-16 Publication of CA381438A publication Critical patent/CA381438A/fr

Status Expired legal-status Critical Current

CA381438A Diaphragme acoustique Expired CA381438A (fr)

Application Number	Priority Date	Filing Date	Title
CA381438T

Publication Number	Publication Date
CA381438A true CA381438A (fr)	1939-05-16

Application Number	Title	Priority Date	Filing Date
CA381438A Expired CA381438A (fr)			Diaphragme acoustique

Country	Link
CA (1)	CA381438A (fr)

Publication	Publication Date	Title
FR865593A (fr)	1941-05-27	Transducteurs électro acoustiques
CA381438A (fr)	1939-05-16	Diaphragme acoustique
CA381743A (fr)	1939-05-30	Microphone
CA384491A (fr)	1939-10-03	Diaphragme metallique
CA379159A (fr)	1939-01-24	Tuile acoustique
CA385880A (fr)	1939-12-26	Stabilisateur des sons
AU108382B2 (en)	1939-09-07	Loudspeaker membrane
CA381450A (fr)	1939-05-16	Aide a surdite
CA385654A (fr)	1939-12-12	Produit amortisseur des sons
CA380412A (fr)	1939-03-28	Dispositif de translation des sons
CA379317A (fr)	1939-01-31	Systeme de translation des sons
CA378229A (fr)	1938-12-13	Corne a membrane
CA362790A (fr)	1936-12-22	Membrane acoustique
AU110220B2 (en)	1940-04-11	Horn type loudspeakers
CA382157A (fr)	1939-06-20	Phonographe a dicter
CA379455A (fr)	1939-02-07	Amplificateur
AU111452B2 (en)	1940-09-19	Amplifier
CA380166A (fr)	1939-03-21	Amplificateur
AU369238A (en)	1939-09-07	Loudspeaker membrane
CA379097A (fr)	1939-01-24	Systeme de reproduction des sons
CA385169A (fr)	1939-11-21	Vibrateur
CA381439A (fr)	1939-05-16	Systeme enregistreur des sons
CA382546A (fr)	1939-07-04	Systeme a enregistrer les sons
CA384060A (fr)	1939-09-19	Systeme d'enregistrement des sons
AU111418B2 (en)	1940-09-12	An improved tent-frame construction