US3175103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Analog computer voltage fluctuation compensator
Assignee: —
•
Filing: —
•
Granted: 1965-03-23
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Expires: 1982-03-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:36
CPC Classifications
H; H02; H02M; H02M1/00; H02M1/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
129 words
IN AN ELECTRONIC DEVICE THAT COMPENSATES FOR A.C. REFERENCE VOLTAGE FLUCTUATIONS BY CANCELING THE EFFECT OF SAID FLUCTUATIONS ON CIRCUITRY CONNECTED TO SAID DEVICE, THE COMBINATION COMPRISING: RECTIFYING MEANS CONNECTED TO SAID A.C. REFERENCE VOLTAGE; A FIRST ANALOG VOLTAGE SOURCE CONNECTED TO SAID A.C. REFERENCE VOLTAGE AND HAVING A RECTIFIED OUTPUT; A SECOND ANALOG VOLTAGE SOURCE CONNECTED TO SAID A.C. REFERENCE VOLTAGE AND HAVING A RECTIFIED OUTPUT; FIRST AND SECOND TRANSISTORS, EACH HAVING A COLLECTOR, AN EMITTER, AND A BASE, THE COLLECTORS OF SAID FIRST AND SECOND TRANSISTORS BEING CONNECTED IN PARALLEL WITH THE RECTIFIED OUTPUT OF SAID FIRST AND SECOND ANALOG VOLTAGES, RESPECTIVELY; FIRST AND SECOND FIXED RESISTORS CONNECTED IN SERIES BETWEEN THE OUTPUT OF SAID RECTIFYING MEANS AND THE BASES OF SAID FIRST AND SECOND TRANSISTORS RESPECTIVELY.
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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |