DE516554C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for keeping the frequency constant of tube transmitters controlled by piezo crystals
Assignee: Alcatel Lucent Deutschland AG
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Filing: 1929-12-18
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Granted: 1931-01-23
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Expires: 1949-12-18
Abstract
No abstract record available.
Inventors
- 👤 Hans Schumacher
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-22 22:51
CPC Classifications
H; H03; H03L; H03L1/00; H03L1/02; H03L1/04; H03B; H03B5/00; H03B5/30; H03B5/32; H03B5/34
Claims Analysis
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References Cited (Backward Citations)
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