Patent US1247502A successfully refreshed from Google Patents.
Patent CH208634A successfully refreshed from Google Patents.
CH208634A
Expired / Lapsed
CH
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Setup with a secondary electron amplifier.
Assignee: Fernseh Ag
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Filing: 1939-01-27
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Granted: —
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Expires: 1959-01-27
Abstract
No abstract record available.
Inventors
- 👤 Fernseh Aktiengesellschaft
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-10 02:07
CPC Classifications
H; H01; H01J; H01J43/00; H01J43/04; H01J43/06; H01J43/18; H01J43/22; H01J29/00; H01J29/02; H01J29/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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