US3114097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlled rectifier regulating system utilizing a linear relaxation trigger circuit
Assignee: AT&T Inc
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Filing: 1959-09-29
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Granted: 1963-12-10
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Expires: 1979-09-29
Abstract
No abstract record available.
Inventors
- 👤 Patrick W Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:33
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/40; G05F1/44; G05F1/45; G05F1/455; H; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/12; H02M7/145; H02M7/155; H02M7/1555; H02M7/1557; H02M7/162; H02M7/1623; H02M7/1626
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
137 words
IN COMBINATION, A SOURCE OF ALTERNATING-CURRENT ENERGY, SWITCHING MEANS CONNECTED TO SAID SOURCE FOR DELETING PREDETERMINED PORTIONS OF SUCCESSIVE HALF-CYCLES OF SAID ALTERNATING-CURRENT ENERGY TO PRODUCE A SECOND ALTERNATING-CURRENT ENERGY WAVEFORM, MEANS FOR RECTIFYING SAID SECOND ALTERNATING-CURRENT ENERGY WAVEFORM TO PRODUCE DIRECT-CURRENT ENERGY, MEANS FOR APPLYING SAID DIRECT-CURRENT ENERGY TO A LOAD, A CAPACITOR, MEANS FOR PERIODICALLY CHARGING SAID CAPACITOR AT A SUBSTANTIALLY CONSTANT RATE, MEANS FOR REGULATING THE MAGNITUDE OF SAID RATE IN ACCORDANCE WITH THE MAGNITUDE OF THE DIRECTCURRENT ENERGY BEING DELIVERED TO SAID LOAD, MEANS FOR GENERATING A PULSE WHENEVER THE CHARGE ON SAID CAPACITOR EQUALS A PREDETERMINED VALUE, AND MEANS FOR APPLYING SAID PULSE TO SAID SWITCHING MEANS WHEREBY THE MAGNITUDE OF SAID DELETED PORTIONS IS ALTERED IN ACCORDANCE WITH VARIATIONS IN THE MAGNITUDE OF THE DIRECT-CURRENT ENERGY BEING DELIVERED TO THE LOAD.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |