FR857705A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to devices for exploring cinematographic films on television, involving the use of optical compensation
Assignee: Telefunken AG
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Filing: 1939-07-12
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Granted: 1940-09-26
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Expires: 1959-07-12
Abstract
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Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 12:18
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/36
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