US3355633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controllable supply circuit for electromagnetic vibrators
Assignee: ENTWICKLUNGSANSTALT fur IND EL
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Filing: 1964-12-28
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Granted: 1967-11-28
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Expires: 1984-12-28
Abstract
No abstract record available.
Inventors
- 👤 Klix Uwe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:33
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/40; G05F1/44; G05F1/45; G05F1/455; H; H02; H02K; H02K33/00; H02M; H02M3/00; H02M3/02; H02M3/04; H02M3/10; H02M3/125; H02M3/135; H02M3/137
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
CONTROLLABLE SUPPLY CIRCUIT FOR ELECTROMAGNETIC VIBRATORS COMPRISING A VIBRATOR COIL, A CONTROLLED SEMICONDUCTOR RECTIFIER CONNECTED IN SERIES WITH SAID VIBRATOR COIL, A CURRENT BRANCH CIRCUIT INCLUDING A CAPACITOR CONNECTED IN PARALLEL WITH SAID CONTROLED SEMICONDUCTOR RECTIFIER, A SEMICONDUCTOR DIODE HAVING THE SAME CONDUCTING DIRECTION AS SAID CONTROLLED SEMICONDUCTOR RECTIFIER CONNECTED BETWEEN THE LATTER AND SAID VIBRATOR COIL.
Claim 2
Dependent Claim
57 words
CONTROLLABLE SUPPLY CIRCUIT FOR ELECTROMAGNETIC VIBRATORS COMPRISING A VIBRATOR COIL, A CONTROLLED SEMICONDUCTOR RECTIFIER CONNECTED IN SERIES WITH SAID VIBRATOR COIL, A CURRENT BRANCH CIRCUIT INCLUDING A CAPACITOR CONNECTED IN PARALLEL WITH SAID CONTROLED SEMICONDUCTOR RECTIFIER, A SEMICONDUCTOR DIODE HAVING THE SAME CONDUCTING DIRECTION AS SAID CONTROLLED SEMICONDUCTOR RECTIFIER CONNECTED BETWEEN THE LATTER AND SAID VIBRATOR COIL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |