CA545815A - Disque de phonographe de polystyrene a microsillons - Google Patents

Disque de phonographe de polystyrene a microsillons

Info

Publication number: CA545815A
Authority: CA; Canada
Prior art keywords: microgroove; polystyrene; phonograph record; phonograph; record
Prior art date: 1957-09-03
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

CA545815A

Other languages

Inventor

Groff Frazier

D. Bassett Howard

Original Assignee

Union Carbide and Carbon Corp

Publication date

1957-09-03

1957-09-03 Application granted granted Critical

1957-09-03 Publication of CA545815A publication Critical patent/CA545815A/fr

Status Expired legal-status Critical Current

CA545815A Disque de phonographe de polystyrene a microsillons Expired CA545815A (fr)

Application Number	Priority Date	Filing Date	Title
CA545815T

Publication Number	Publication Date
CA545815A true CA545815A (fr)	1957-09-03

Application Number	Title	Priority Date	Filing Date
CA545815A Expired CA545815A (fr)			Disque de phonographe de polystyrene a microsillons

Country	Link
CA (1)	CA545815A (fr)

Publication	Publication Date	Title
FR1191074A (fr)	1959-10-16	Reproducteur phonographique
CA538149A (fr)	1957-03-12	Phonographe avec pick-up commande par l'insertion de disque
CA545815A (fr)	1957-09-03	Disque de phonographe de polystyrene a microsillons
AU224037B2 (en)	1958-01-16	Gramophone pickups
CA531983A (fr)	1956-10-23	Disque de phonographe
CA553266A (fr)	1958-02-18	Contenant de disque de phonographe
AU2940257A (en)	1958-01-16	Gramophone pickups
CA537641A (fr)	1957-02-26	Bande d'enregistrement
CA537587A (fr)	1957-02-26	Pieces d'inscription
CA542217A (fr)	1957-06-11	Pieces d'enregistrement
FR1197047A (fr)	1959-11-27	Disque phonographique perfectionné
CA540292A (fr)	1957-04-30	Phonographe jouet automatique
CA524523A (fr)	1956-05-01	Appareil a enregistrer et reproduire des sons
CA527739A (fr)	1956-07-17	Album de disques de gramophone
CA537065A (fr)	1957-02-12	Dispositif d'enregistrement electrodynamique
AU201410B2 (en)	1955-10-27	Phonograph record
CA567234A (fr)	1958-12-09	Tourne-disque de phonographe
CA558496A (fr)	1958-06-10	Tourne-disque de phonographe
CA581985A (fr)	1959-08-25	Disque de phonographe
CA535475A (fr)	1957-01-08	Emmagasinage de donnees
CA539613A (fr)	1957-04-16	Systemes d'enregistrement
CA532960A (fr)	1956-11-13	Changeur de disque de phonographe
AU210783B2 (en)	1957-06-20	Phonograph pickup
CA520704A (fr)	1956-01-17	Systemes de reproduction de sons
AU230462B2 (en)	1959-04-30	Improved gramophone records