CA380175A - Sound recording or reproducing apparatus - Google Patents

Sound recording or reproducing apparatus

Info

Publication number: CA380175A
Authority: CA; Canada
Prior art keywords: reproducing apparatus; sound recording; sound; recording; reproducing
Prior art date: 1939-03-21
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

CA380175A

Other languages

Inventor

L. Younts Glen

Original Assignee

Canadian General Electric Co Ltd

Publication date

1939-03-21

1939-03-21 Application granted granted Critical

1939-03-21 Publication of CA380175A publication Critical patent/CA380175A/en

Status Expired legal-status Critical Current

CA380175A Sound recording or reproducing apparatus Expired CA380175A (en)

Application Number	Priority Date	Filing Date	Title
CA380175T

Publication Number	Publication Date
CA380175A true CA380175A (en)	1939-03-21

Application Number	Title	Priority Date	Filing Date
CA380175A Expired CA380175A (en)			Sound recording or reproducing apparatus

Country	Link
CA (1)	CA380175A (en)

Publication	Publication Date	Title
CA383880A (en)	1939-09-05	Sound recording and reproducing apparatus
CA383755A (en)	1939-08-29	Sound recording apparatus
CA383862A (en)	1939-09-05	Sound recording apparatus
CA382532A (en)	1939-07-04	Sound recording apparatus
CA385362A (en)	1939-11-28	Sound recording apparatus
CA381607A (en)	1939-05-23	Sound reproducing apparatus
CA385011A (en)	1939-11-07	Sound reproducing apparatus
CA381031A (en)	1939-04-25	Sound reproducing apparatus
CA381920A (en)	1939-06-06	Sound film reproducing apparatus
CA379945A (en)	1939-03-07	Sound recording disc
CA384724A (en)	1939-10-17	Sound recording and reproducing system
CA375519A (en)	1938-08-02	Sound recording and reproducing apparatus
CA377585A (en)	1938-11-08	Sound recording and reproducing apparatus
CA375425A (en)	1938-07-26	Sound recording and reproducing apparatus
CA381439A (en)	1939-05-16	Sound recording system
CA384060A (en)	1939-09-19	Sound recording system
CA382546A (en)	1939-07-04	Sound recording system
CA383884A (en)	1939-09-05	Film sound record reproducing system
CA380091A (en)	1939-03-14	Sound reproducing system
CA383734A (en)	1939-08-29	Sound recording mechanism
CA358441A (en)	1936-06-09	Sound recording or reproducing apparatus
CA371856A (en)	1938-02-08	Sound recording apparatus
CA391714A (en)	1940-10-01	Sound recording apparatus
CA382216A (en)	1939-06-20	Phonograph reproducer
CA389771A (en)	1940-07-02	Sound recording and reproducing apparatus