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FR986834A
Expired / Lapsed
FR
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Process for acting on the cathode beam of a television tube in order to ensure its secrecy
Assignee: S E D A C SOC
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Filing: 1949-03-22
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Granted: 1951-08-06
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Expires: 1969-03-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 19:27
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/16; H04N7/167; H04N7/169
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