CA447459A - Dispositif a capter les sons - Google Patents

Dispositif a capter les sons

Info

Publication number: CA447459A
Authority: CA; Canada
Prior art keywords: sound pick; pick; sound
Prior art date: 1948-03-23
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

CA447459A

Other languages

Inventor

Rettinger Michael

Original Assignee

Radio Corporation of America

Publication date

1948-03-23

1948-03-23 Application granted granted Critical

1948-03-23 Publication of CA447459A publication Critical patent/CA447459A/fr

Status Expired legal-status Critical Current

CA447459A Dispositif a capter les sons Expired CA447459A (fr)

Application Number	Priority Date	Filing Date	Title
CA447459T

Publication Number	Publication Date
CA447459A true CA447459A (fr)	1948-03-23

Application Number	Title	Priority Date	Filing Date
CA447459A Expired CA447459A (fr)			Dispositif a capter les sons

Country	Link
CA (1)	CA447459A (fr)

Publication	Publication Date	Title
CA446956A (fr)	1948-03-02	Dispositif d'amusement
CA447459A (fr)	1948-03-23	Dispositif a capter les sons
CA452548A (fr)	1948-11-09	Pick-up de phonographe
CA453181A (fr)	1948-12-07	Pick-up de phonographe
CA447161A (fr)	1948-03-09	Appareil a capter les sons
CA447611A (fr)	1948-03-30	Dispositif d'acoustique
CA447188A (fr)	1948-03-09	Dispositif pour signaux sous-marins
CA451308A (fr)	1948-09-21	Signal
CA446476A (fr)	1948-01-27	Phonographe
CA445948A (fr)	1948-01-06	Dispositif pour faire du bruit
CA449492A (fr)	1948-06-29	Appareil enregistreur de sons
CA449410A (fr)	1948-06-22	Dispositif de tondeuse
CA446742A (fr)	1948-02-17	Dispositif electrique a vapeur
CA450269A (fr)	1948-08-03	Dispositif electrique a vapeur
CA452007A (fr)	1948-10-19	Dispositif electrique a vapeur
CA448986A (fr)	1948-06-08	Dispositif de ventilateur aspirant
CA447024A (fr)	1948-03-02	Dispositif indicateur de relevement
CA446738A (fr)	1948-02-17	Dispositif electrique a vapeur
CA446744A (fr)	1948-02-17	Dispositif electrique a vapeur
CA451521A (fr)	1948-09-28	Dispositif piezo-electrique
CA451920A (fr)	1948-10-12	Pick-up electrodynamique sans ronflement
CA448247A (fr)	1948-05-04	Dispositif de reperage
CA450486A (fr)	1948-08-10	Reproduction de sons
AU137566B2 (en)	1948-04-15	Vibrating device
CA446197A (fr)	1948-01-13	Dispositif de signalisation sous-marine