CA466033A - Appareil phonique - Google Patents

Appareil phonique

Info

Publication number: CA466033A
Authority: CA; Canada
Prior art keywords: acoustical apparatus; acoustical
Prior art date: 1950-06-20
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

CA466033A

Other languages

Inventor

Emil Volkmann John

Original Assignee

Radio Corporation of America

Publication date

1950-06-20

1950-06-20 Application granted granted Critical

1950-06-20 Publication of CA466033A publication Critical patent/CA466033A/fr

Status Expired legal-status Critical Current

CA466033A Appareil phonique Expired CA466033A (fr)

Application Number	Priority Date	Filing Date	Title
CA466033T

Publication Number	Publication Date
CA466033A true CA466033A (fr)	1950-06-20

Application Number	Title	Priority Date	Filing Date
CA466033A Expired CA466033A (fr)			Appareil phonique

Country	Link
CA (1)	CA466033A (fr)

Publication	Publication Date	Title
CA463794A (fr)	1950-03-21	Appareil de peche
CA462183A (fr)	1950-01-03	Dispositif actionne par tracteur pour la manutention d'objets
CA466033A (fr)	1950-06-20	Appareil phonique
CA469593A (fr)	1950-11-21	Appareil du tout a l'egout
CA468403A (fr)	1950-09-26	Appareils de criblage
AU147552B2 (en)	1950-07-13	Electro-copy apparatus
CA464885A (fr)	1950-05-02	Appareil d'essai de chambres d'air
CA466616A (fr)	1950-07-18	Appareil a mouler des chandelles
CA468113A (fr)	1950-09-12	Appareils electro-perforateurs
CA467254A (fr)	1950-08-08	Appareils vibratoires
CA462169A (fr)	1950-01-03	Dispositif d'acoustique
CA469674A (fr)	1950-11-28	Appareils piezo-electriques
CA470243A (fr)	1950-12-19	Appareils de phonographes
AU3427550A (en)	1950-07-13	Electro-copy apparatus
CA466163A (fr)	1950-06-27	Appareil de phonographe
CA468775A (fr)	1950-10-17	Vibrateurs
AU146159B2 (en)	1950-10-05	Vibrating rollers
CA463931A (fr)	1950-03-21	Appareil integrateur
AU154775B2 (en)	1953-09-03	Apparatus for coating-paper
CA463586A (fr)	1950-03-07	Microphone
CA463703A (fr)	1950-03-14	Transposeur
CA469740A (fr)	1950-11-28	Dispositifs electro-acoustiques
CA472839A (fr)	1951-04-10	Vibrateurs
CA475687A (fr)	1951-07-31	Vibrateurs
CA479322A (fr)	1951-12-11	Vibrateurs