Patent US3098194A successfully refreshed from Google Patents.
US3098194A
Expired / Lapsed
US
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Automatic a.-c. voltage ratio controller
Assignee: Individual
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Filing: 1961-10-16
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Granted: 1963-07-16
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Expires: 1981-10-16
Abstract
No abstract record available.
Inventors
- 👤 Pat L Clemens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:26
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
AN AUTOMATIC ALTERNATING CURRENT VOLTAGE RATIO CONTROL SYSTEM PARTICULARLY ADAPTED TO SERVO DEVICES FOR MAINTAINING A CONSTANT RATIO BETWEEN SERVO SYSTEM REFERENCE VOLTAGE AND TRANSDUCER INPUT VOLTAGE COMPRISING MEANS FOR PROVIDING AN INPUT REFERENCE VOLTAGE, SAID INPUT REFERENCE VOLTAGE BEING EQUAL TO THE DESIRED TRANSDUCER INPUT VOLTAGE, MEANS FOR COMPARING SAID INPUT REFERENCE VOLTAGE WITH THE TRANSDUCER INPUT VOLTAGE, MEANS FOR GENERATING AN ERROR SIGNAL RESPONSIVE TO THE DIFFERENCE BETWEEN SAID INPUT VOLTAGE AND SAID INPUT REFERENCE VOLTAGE, AND PHASE SELECTING MEANS FOR OBTAINING A SINGLE VALUED COMPONENT OF SAID ERROR SIGNAL, SAID PHASE SELECTING MEANS COMPRISING A SWITCH OPERATIVE TO OPEN AT THE POSITIVE AND NEGATIVE PEAKS OF THE DESIRED COMPONENT OF SAID ERROR SIGNAL.
Claim 2
Dependent Claim
116 words
AN AUTOMATIC ALTERNATING CURRENT VOLTAGE RATIO CONTROL SYSTEM PARTICULARLY ADAPTED TO SERVO DEVICES FOR MAINTAINING A CONSTANT RATIO BETWEEN SERVO SYSTEM REFERENCE VOLTAGE AND TRANSDUCER INPUT VOLTAGE COMPRISING MEANS FOR PROVIDING AN INPUT REFERENCE VOLTAGE, SAID INPUT REFERENCE VOLTAGE BEING EQUAL TO THE DESIRED TRANSDUCER INPUT VOLTAGE, MEANS FOR COMPARING SAID INPUT REFERENCE VOLTAGE WITH THE TRANSDUCER INPUT VOLTAGE, MEANS FOR GENERATING AN ERROR SIGNAL RESPONSIVE TO THE DIFFERENCE BETWEEN SAID INPUT VOLTAGE AND SAID INPUT REFERENCE VOLTAGE, AND PHASE SELECTING MEANS FOR OBTAINING A SINGLE VALUED COMPONENT OF SAID ERROR SIGNAL, SAID PHASE SELECTING MEANS COMPRISING A SWITCH OPERATIVE TO OPEN AT THE POSITIVE AND NEGATIVE PEAKS OF THE DESIRED COMPONENT OF SAID ERROR SIGNAL.
References Cited (Backward Citations)
US2680221A
Cited
US2974271A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |