Patent US3810422A successfully refreshed from Google Patents.
Patent DE756091C successfully refreshed from Google Patents.
DE756091C
Expired / Lapsed
DE
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Device for obtaining an alternating voltage that is to be kept constant in terms of voltage and frequency with great accuracy
Assignee: Siemens and Halske AG
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Filing: 1942-08-04
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Granted: 1954-02-15
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Expires: 1962-08-04
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Dr-Ing Artus
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 17:19
CPC Classifications
H; H02; H02P; H02P9/00; H02P9/42; B; B64; B64D; B64D47/00; H01; H01F; H01F29/00; H01F29/02; H02J; H02J3/00; H02J3/34; H02M; H02M5/00; H02M5/40; H02M5/42; H02M5/44; H02M5/443; H02M5/45; H02M5/451; H02J2105/00; H02J2105/30; H02J2105/32
Claims Analysis
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References Cited (Backward Citations)
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