CA345859A - Systeme optique de photophonographes - Google Patents

Systeme optique de photophonographes

Info

Publication number: CA345859A
Authority: CA; Canada
Prior art keywords: photophonographs; optical system; optical
Prior art date: 1934-11-06
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

CA345859A

Other languages

English (en)

Inventor

John A. Maurer, Jr.

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.)

RCA Corp

Original Assignee

Radio Corporation of America

Publication date

1934-11-06

1934-11-06 Application granted granted Critical

1934-11-06 Publication of CA345859A publication Critical patent/CA345859A/fr

Status Expired legal-status Critical Current

Links

230000003287 optical effect Effects 0.000 title 1

CA345859A Systeme optique de photophonographes Expired CA345859A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA345859T

Publications (1)

Publication Number	Publication Date
CA345859A true CA345859A (fr)	1934-11-06

Family

ID=35317133

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA345859A Expired CA345859A (fr)			Systeme optique de photophonographes

Country Status (1)

Country	Link
CA (1)	CA345859A (fr)

0
- CA CA345859A patent/CA345859A/fr not_active Expired

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