FR770353A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method and device for adjusting the aperture of a camera lens according to the brightness of the subjects
Assignee: Pathe Cinema SA
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Filing: 1933-06-09
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Granted: 1934-09-13
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Expires: 1953-06-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 09:01
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/04; G03B7/06
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