Patent US3543349A successfully refreshed from Google Patents.
Patent FR1481969A successfully refreshed from Google Patents.
FR1481969A
Expired / Lapsed
FR
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Device for increasing the contrast of a television picture
Assignee: Jean Raymond Narbaits-Jaureguy
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Filing: 1966-01-14
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Granted: 1967-05-26
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Expires: 1986-01-14
Abstract
No abstract record available.
Inventors
- 👤 Jean Raymond Narbaits-Jaureguy
- 👤 Jean-Michel Charles Henri Cat
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 09:37
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/14; H04N5/20; H04N9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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