Patent US3293540A successfully refreshed from Google Patents.
US3293540A
Expired / Lapsed
US
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Temperature compensated circuit arrangements
Assignee: Photovolt Corp
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Filing: 1964-04-08
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Granted: 1966-12-20
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Expires: 1984-04-08
Abstract
No abstract record available.
Inventors
- 👤 Bela A Silard
- 👤 Schulkind Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:54
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/30; H03F1/302
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
IN AN ELECTRICAL CIRCUIT ARRANGEMENTS HAVING AT LEAST ONE COMPONENT HAVING A CHARACTERISTIC WHICH VARIES WITH TEMPERATURE, IN COMBINATION, A HEAT SINK; TEMPERATURE SENSITIVE MEANS CONNECTED TO SAID COMPONENT FOR OVERCOMPENSATING THE EFFECT ON SAID COMPONENT OF A CHANGE IN TEMPERATURE, SAID TEMPERATURE SENSITIVE MEANS COMPRISING A RESISTOR HAVING A RESISTANCE WHICH VARIES IN A DETERMINED RELATIONSHIP WITH TEMPERATURE, SAID TEMPERATURE SENSITIVE MEANS BEING ADJUSTABLY POSITIONED IN RELATION TO SAID HEAT SINK IN A MANNER WHEREBY THE HEAT TRANSFER BETWEEN SAID TEMPERATURE SENSITIVE MEANS AND SAID HEAT SINK MAY BE ADJUSTED; AND ADJUSTABLE ATTENUATING MEANS FOR REDUCING THE COMPENSATING EFFECT PROVIDED BY SAID TEMPERATURE SENSITIVE MEANS, SAID ADJUSTABLE ATTENUATING MEANS COMPRISING VARIABLE RESISTANCE MEANS CONNECTED IN CIRCUIT WITH SAID TEMPERATURE SENSITIVE MEANS.
Claim 2
Dependent Claim
122 words
IN AN ELECTRICAL CIRCUIT ARRANGEMENTS HAVING AT LEAST ONE COMPONENT HAVING A CHARACTERISTIC WHICH VARIES WITH TEMPERATURE, IN COMBINATION, A HEAT SINK; TEMPERATURE SENSITIVE MEANS CONNECTED TO SAID COMPONENT FOR OVERCOMPENSATING THE EFFECT ON SAID COMPONENT OF A CHANGE IN TEMPERATURE, SAID TEMPERATURE SENSITIVE MEANS COMPRISING A RESISTOR HAVING A RESISTANCE WHICH VARIES IN A DETERMINED RELATIONSHIP WITH TEMPERATURE, SAID TEMPERATURE SENSITIVE MEANS BEING ADJUSTABLY POSITIONED IN RELATION TO SAID HEAT SINK IN A MANNER WHEREBY THE HEAT TRANSFER BETWEEN SAID TEMPERATURE SENSITIVE MEANS AND SAID HEAT SINK MAY BE ADJUSTED; AND ADJUSTABLE ATTENUATING MEANS FOR REDUCING THE COMPENSATING EFFECT PROVIDED BY SAID TEMPERATURE SENSITIVE MEANS, SAID ADJUSTABLE ATTENUATING MEANS COMPRISING VARIABLE RESISTANCE MEANS CONNECTED IN CIRCUIT WITH SAID TEMPERATURE SENSITIVE MEANS.
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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |