Patent US3238464A successfully refreshed from Google Patents.
US3238464A
Expired / Lapsed
US
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Temperature compensation of a saturating transformer by use of a saturating transformer-derived reference supply
Assignee: Airpax Electronics Inc
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Filing: 1962-07-09
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Granted: 1966-03-01
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Expires: 1982-07-09
Abstract
No abstract record available.
Inventors
- 👤 Robert J Rechter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:40
CPC Classifications
H; H03; H03D; H03D3/00; H03D3/02; H03D3/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
97 words
A TEMPERATURE COMPENSATION ARRANGEMENT FOR COMPARISON CIRCUITS COMPRISING A PLURALITY OF SATURATING TRANSFORMERS EACH HAVING PRIMARY AND SECONDARY WINDINGS, SAID SATURATING TRANSFORMERS HAVING A COMMON TYPE OF CORE MATERIAL, AND A HEAT TRANSFER MATERIAL FOR SURROUNDING THE TRANSFORMERS THEREIN, INCLUDING SAID CORE MATERIALS, MUTUALLY EXCLUSIVE MEANS RECTIFYING AND FILTERING THE SIGNALS OF SAID PRIMARY WINDINGS, AND MEANS FOR COUPLING PAIRS OF THE SECONDARY WINDINGS IN OPPOSITION TO EACH OTHER SO THAT TEMPERATURE CHANGES THAT EFFECT VOLTAGE VARIATIONS ARE IN OPPOSITE DIRECTIONS TO EACH OTHER IN SAID COUPLING PAIRS TO ELIMINATE ANY NET CHANGES IN THE SUMMED OUTPUT.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |