CA419807A - Systeme d'optique pour l'enregistrement des sons - Google Patents

Systeme d'optique pour l'enregistrement des sons

Info

Publication number
CA419807A
CA419807A CA419807A CA419807DA CA419807A CA 419807 A CA419807 A CA 419807A CA 419807 A CA419807 A CA 419807A CA 419807D A CA419807D A CA 419807DA CA 419807 A CA419807 A CA 419807A
Authority
CA
Canada
Prior art keywords
optical system
sound recording
sound
recording
optical
Prior art date
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
CA419807A
Other languages
English (en)
Inventor
E. Goldberg Herbert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canadian Kodak Co Ltd
Original Assignee
Canadian Kodak Co Ltd
Publication date
Application granted granted Critical
Publication of CA419807A publication Critical patent/CA419807A/fr
Expired legal-status Critical Current

Links

CA419807A Systeme d'optique pour l'enregistrement des sons Expired CA419807A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA419807T

Publications (1)

Publication Number Publication Date
CA419807A true CA419807A (fr) 1944-04-25

Family

ID=35529100

Family Applications (1)

Application Number Title Priority Date Filing Date
CA419807A Expired CA419807A (fr) Systeme d'optique pour l'enregistrement des sons

Country Status (1)

Country Link
CA (1) CA419807A (fr)

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