US3233168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for voltage regulator
Assignee: General Electric Co
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Filing: 1962-04-06
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Granted: 1966-02-01
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Expires: 1982-04-06
Abstract
No abstract record available.
Inventors
- 👤 Clarence J Kettler
- 👤 Robert L Elliott
- 👤 Charles W Schoendube
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:15
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/32
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
99 words
A STATIC VOLTAGE ERROR SENSING SYSTEM COMPRISING A SOURCE OF ALTERNATING POTENTIAL, A SENSING CIRCUIT COMPRISING A SERIALLY CONNECTED LINEAR INDUCTOR, A SATURABLE INDUCTOR, AND A CAPACITOR, SAID SENSING CIRCUIT BEING SERIES RESONANT WHEN SAID SATURABLE INDUCTOR IS SATURATED, A VOLTAGE REFERENCE CIRCUIT PROVIDING A CONSTANT DIRECT CURRENT, SAID SENSING CIRCUIT BEING CONNECTED TO SAID SOURCE OF POTENTIAL, MEANS PROVIDING A DIRECT CURRENT PROPORTIONAL TO THE VOLTAGE ACROSS SAID CAPACITOR, AND MEANS COMBINING SAID PROPORTIONAL DIRECT CURRENT AND CONSTANT DIRECT CURRENT TO PROVIDE AN ERROR SIGNAL PROPORTIONAL TO VARIATION IN THE VOLTAGE OF SAID SOURCE FROM A PREDETERMINED VALUE.
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |