CA374755A - Haut-parleur - Google Patents

Haut-parleur

Info

Publication number: CA374755A
Authority: CA; Canada
Prior art keywords: loudspeaker
Prior art date: 1938-06-28
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

CA374755A

Other languages

Inventor

L. Creager Frederick

Original Assignee

Radio Corporation of America

Publication date

1938-06-28

1938-06-28 Application granted granted Critical

1938-06-28 Publication of CA374755A publication Critical patent/CA374755A/fr

Status Expired legal-status Critical Current

CA374755A Haut-parleur Expired CA374755A (fr)

Application Number	Priority Date	Filing Date	Title
CA374755T

Publication Number	Publication Date
CA374755A true CA374755A (fr)	1938-06-28

Application Number	Title	Priority Date	Filing Date
CA374755A Expired CA374755A (fr)			Haut-parleur

Country	Link
CA (1)	CA374755A (fr)

Publication	Publication Date	Title
CA373792A (fr)	1938-05-17	Bouche-pores
CA371975A (fr)	1938-02-15	Cabinet de haut-parleur
AU105456B2 (en)	1938-10-27	Improvement insound reproduction
AU107772B2 (en)		Improvements in loudspeakers
AU108382B2 (en)	1939-09-07	Loudspeaker membrane
CA375577A (fr)	1938-08-02	Piano-violon
CA377051A (fr)	1938-10-11	Arsenobenzene-mono-sulfoxylate
CA373588A (fr)	1938-05-03	Flan photographique
CA373186A (fr)	1938-04-19	Moissonneuse-batteuse
CA376835A (fr)	1938-10-04	Telegraphone
CA374498A (fr)	1938-06-21	Oxazole-trimethinecyanine
CA373724A (fr)	1938-05-10	Petrin
CA377050A (fr)	1938-10-11	Arsenobenzene-mono-sulfoxylate
CA374409A (fr)	1938-06-14	Photosculpture
CA377533A (fr)	1938-11-08	Pentamethine-omega-aldehyde
AU106979B2 (en)	1939-03-30	Suspensories
CA374410A (fr)	1938-06-14	Defecateur
CA374662A (fr)	1938-06-28	Dibenzoxacarbocyanine
CA374530A (fr)	1938-06-21	Plaque a poncer
CA378461A (fr)	1938-12-20	Etai de mine
CA372770A (fr)	1938-03-29	Telegraphone
CA374585A (fr)	1938-06-21	Defecateur
CA374408A (fr)	1938-06-14	Photosculpture
CA375883A (fr)	1938-08-16	Fusee-turbine
CA375326A (fr)	1938-07-26	Haut-parleur