US3270274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature compensating circuit
Assignee: Automation Products Inc
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Filing: 1965-02-15
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Granted: 1966-08-30
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Expires: 1985-02-15
Abstract
No abstract record available.
Inventors
- 👤 William B Banks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:47
CPC Classifications
G; G01; G01N; G01N9/00; G01N9/002; G01F; G01F23/00; G01F23/22; G01F23/28; G01F23/296; G01F23/2966; G01F23/2967; G01N11/00; G01N11/10; G01N11/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
IN AN APPARATUS HAVING FIRST AND SECOND COIL CIRCUITS, THE VOLTAGE IN THE SECOND COIL CIRCUIT BEING A FUNCTION OF THE CURRENT IN THE FIRST COIL CIRCUIT, THE IMPROVEMENT IN A TEMPERATURE COMPRISING MEANS COMPRISING, ELECTRICAL MEANS CONNECTED TO THE FIRST COIL CIRCUIT FOR MEASURING A CHANGE IN THE CURRENT IN SAID FIRST CIRCUIT DUE TO TEMPERATURE CHANGES IN SAID FIRST CIRCUIT, MEANS IN SAID FIRST CIRCUIT CONVERTING THE CHANGE IN CURRENT TO A VOLTAGE SIGNAL, AND MEANS FOR VECTORIALLY ADDING THE VOLTAGE SIGNAL TO THE VOLTAGE IN THE SECOND COIL CIRCUIT THEREBY COMPENSATING FOR SAID TEMPERATURE CHANGES.
Claim 2
Dependent Claim
98 words
IN AN APPARATUS HAVING FIRST AND SECOND COIL CIRCUITS, THE VOLTAGE IN THE SECOND COIL CIRCUIT BEING A FUNCTION OF THE CURRENT IN THE FIRST COIL CIRCUIT, THE IMPROVEMENT IN A TEMPERATURE COMPRISING MEANS COMPRISING, ELECTRICAL MEANS CONNECTED TO THE FIRST COIL CIRCUIT FOR MEASURING A CHANGE IN THE CURRENT IN SAID FIRST CIRCUIT DUE TO TEMPERATURE CHANGES IN SAID FIRST CIRCUIT, MEANS IN SAID FIRST CIRCUIT CONVERTING THE CHANGE IN CURRENT TO A VOLTAGE SIGNAL, AND MEANS FOR VECTORIALLY ADDING THE VOLTAGE SIGNAL TO THE VOLTAGE IN THE SECOND COIL CIRCUIT THEREBY COMPENSATING FOR SAID TEMPERATURE CHANGES.
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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |