Patent DE901569C successfully refreshed from Google Patents.
DE901569C
Expired / Lapsed
DE
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Photocell with secondary electron amplifier
Assignee: Robert Bosch Fernsehanlagen GmbH
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Filing: 1938-02-19
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Granted: 1954-01-11
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Expires: 1958-02-19
Abstract
No abstract record available.
Inventors
- 👤 Dr-Ing Werner Hartmann
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 19:03
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/02; H04R1/025; H01; H01J; H01J43/00; H01J43/04; H01J43/06; H01J43/08; H01J43/28; H04R9/00; H04R9/02; H04R9/04
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References Cited (Backward Citations)
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