US3095533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage control circuits
Assignee: RCA Corp
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Filing: 1960-01-28
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Granted: 1963-06-25
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Expires: 1980-01-28
Abstract
No abstract record available.
Inventors
- 👤 Eugene O Keizer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:15
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/46; H; H02; H02M; H02M3/00; H02M3/02; H02M3/04; H02M3/10; H02M3/145; H02M3/155; H02M3/156
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
121 words
AN ELECTRICAL CONTROL CIRCUIT COMPRISING IN COMBINATION A VOLTAGE-RESPONSIVE VARIABLE-CAPACITANCE DIODE AND A VARIABLE CAPACITOR COUPLED IN SERIES TO FORM A REACTIVE CIRCUIT, A TRANSISTOR FEEDBACK OSCILLATOR FOR PRODUCING OSCILLATORY ELECTRICAL WAVES, SAID TRANSISTOR HAVING AN INPUT ELECTRODE, AN OUTPUT ELECTRODE AND A COMMON ELECTRODE, A TRANSFORMER HAVING A PRIMARY WINDING AND A TAPPED SECONDARY WINDING, MEANS CONNECTING THE TAP OF SAID SECONDARY WINDING TO A POINT OF REFERENCE POTENTIAL, MEANS CONNECTING THE PRIMARY WINDING OF SAID TRANSFORMER BETWEEN SAID OUTPUT AND COMMON ELECTRODES, MEANS CONNECTING SAID REACTIVE CIRCUIT ACROSS SAID SECONDARY WINDING SO THAT A 180* PHASE SHIFT WILL OCCUR BETWEEN THE OSCILLATORY ELECTRICAL WAVES APPEARING AT SAID OUTPUT ELECTRODE AND AT THE SECONDARY WINDING CONNECTED TO SAID DIODE, MEANS
References Cited (Backward Citations)
US2881380A
Cited
US2924769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |