CA402229A - Haut-parleur - Google Patents

Haut-parleur

Info

Publication number: CA402229A
Authority: CA; Canada
Prior art keywords: loudspeaker
Prior art date: 1942-01-13
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

CA402229A

Other languages

Inventor

F. Olson Harry

Original Assignee

Radio Corporation of America

Publication date

1942-01-13

1942-01-13 Application granted granted Critical

1942-01-13 Publication of CA402229A publication Critical patent/CA402229A/fr

Status Expired legal-status Critical Current

CA402229A Haut-parleur Expired CA402229A (fr)

Application Number	Priority Date	Filing Date	Title
CA402229T

Publication Number	Publication Date
CA402229A true CA402229A (fr)	1942-01-13

Application Number	Title	Priority Date	Filing Date
CA402229A Expired CA402229A (fr)			Haut-parleur

Country	Link
CA (1)	CA402229A (fr)

Publication	Publication Date	Title
CA402229A (fr)	1942-01-13	Haut-parleur
CA405345A (fr)	1942-06-09	Microphone
CA403250A (fr)	1942-03-03	Circuit de haut-parleur
AU119647B2 (en)	1945-03-15	Improvements in loudspeakers
CA408019A (fr)	1942-10-13	Tete d'appareil a sons
CA406153A (fr)	1942-07-21	Appui-hanche
CA405803A (fr)	1942-06-30	Lustre
AU116909B2 (en)		Meatpacking
AU117757B2 (en)		Gyro-verticals
AU118391B2 (en)		Methyl-beta-chloro-acrylate
AU118434B2 (en)		Dicbloropropyl-alphachloroacrylate
CA402151A (fr)	1942-01-13	Helicoplan
CA403016A (fr)	1942-02-24	Scie a dossiere
CA404018A (fr)	1942-04-14	Pare-reflets
CA404044A (fr)	1942-04-14	Classeur de plans
CA404045A (fr)	1942-04-14	Classeur de plans
CA404708A (fr)	1942-05-12	Teinture o-hydroxyazoique
CA405481A (fr)	1942-06-16	Lustre
CA405539A (fr)	1942-06-16	Appareil a prise des sons
CA408931A (fr)	1942-12-01	Confessionnal
CA406734A (fr)	1942-08-11	Torsiographe
CA407626A (fr)	1942-09-29	Voiture a neige
CA407750A (fr)	1942-09-29	Patin a ski
CA407918A (fr)	1942-10-13	Otter de filet de peche
CA409580A (fr)	1942-12-29	Luminoscope