Patent US3371261A successfully refreshed from Google Patents.
US3371261A
Expired / Lapsed
US
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Power supply control using gate pulse amplifiers
Assignee: Westinghouse Electric Corp
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Filing: 1965-12-17
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Granted: 1968-02-27
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Expires: 1985-12-17
Abstract
No abstract record available.
Inventors
- 👤 Robert E Hull
- 👤 Emil T Schonholzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:32
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/45; H02; H02M; H02M1/00; H02M1/08; H02M1/081; H02M1/084; H02M7/00; H02M7/02; H02M7/04; H02M7/12; H02M7/145; H02M7/155; H02M7/1555; H02M7/162; H02M7/1623; H03K3/35; H03K3/352; H03K3/53; H03K3/57
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
IN POWER SUPPLY CONTROL CIRCUITRY INCLUDING CONTROLLED SWTICHING DEVICES, THE COMBINATION OF: A PULSE AMPLIFIER CIRCUIT RESPONSIVE TO ALTERNATING INPUT AND SWITCHING SIGNALS FOR GENERATING AMPLIFIER PULSES, SAID PULSE AMPLIFIER CIRCUIT INCLUDING A CAPACITIVE ELEMENT TO BE CHARGED DURING PREDETERMINED TIMES WITH RESPECT TO SAID INPUT ALTERNATING SIGNALS, A UNIDIRECTIONAL DEVICE OPERATIVELY CONNECTED TO SAID CAPACITIVE ELEMENT TO MAINTAIN THE CHARGE THEREON WHILE DESIRED, AND A SWITCHING FOR DISCHARGING SAID CAPACITIVE ELEMENT IN RESPONSE TO SAID DISCHARGING SIGNALS BEING APPLIED THERETO AND THEREBY GENERATE SAID AMPLIFIER PULSES; AND A PULSE TRANSFORMER FOR RECEIVING THE AMPILIFER PULSES GENERATED BY SAID PULSE AMPLIFIER CIRCUIT AND APPLYING IN RESPONSE THERETO GATING PULSES TO SAID CONTROLLED SWITCHING DEVICES, SAID PULSE TRANSFORMER BEING OF SUCH A DESIGN TO DEVELOP GATING PULSES HAVING A FAST RISE TIME AND TO SATURATE AFTER A PREDETERMINED TIME TO DETERMINE THE TIME DURATION OF SAID GATING PULSES.
Claim 2
Dependent Claim
147 words
IN POWER SUPPLY CONTROL CIRCUITRY INCLUDING CONTROLLED SWTICHING DEVICES, THE COMBINATION OF: A PULSE AMPLIFIER CIRCUIT RESPONSIVE TO ALTERNATING INPUT AND SWITCHING SIGNALS FOR GENERATING AMPLIFIER PULSES, SAID PULSE AMPLIFIER CIRCUIT INCLUDING A CAPACITIVE ELEMENT TO BE CHARGED DURING PREDETERMINED TIMES WITH RESPECT TO SAID INPUT ALTERNATING SIGNALS, A UNIDIRECTIONAL DEVICE OPERATIVELY CONNECTED TO SAID CAPACITIVE ELEMENT TO MAINTAIN THE CHARGE THEREON WHILE DESIRED, AND A SWITCHING FOR DISCHARGING SAID CAPACITIVE ELEMENT IN RESPONSE TO SAID DISCHARGING SIGNALS BEING APPLIED THERETO AND THEREBY GENERATE SAID AMPLIFIER PULSES; AND A PULSE TRANSFORMER FOR RECEIVING THE AMPILIFER PULSES GENERATED BY SAID PULSE AMPLIFIER CIRCUIT AND APPLYING IN RESPONSE THERETO GATING PULSES TO SAID CONTROLLED SWITCHING DEVICES, SAID PULSE TRANSFORMER BEING OF SUCH A DESIGN TO DEVELOP GATING PULSES HAVING A FAST RISE TIME AND TO SATURATE AFTER A PREDETERMINED TIME TO DETERMINE THE TIME DURATION OF SAID GATING PULSES.
References Cited (Backward Citations)
US2823319A
Cited
US3296551A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |