US3273096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary differential transformer
Assignee: SCHAEVITZ ENGINEERING
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Filing: 1964-03-25
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Granted: 1966-09-13
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Expires: 1984-03-25
Abstract
No abstract record available.
Inventors
- 👤 Lipshutz Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:52
CPC Classifications
H; H01; H01F; H01F29/00; H01F29/08; H01F29/10; H02; H02K; H02K19/00; H02K19/16; H02K19/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A ROTARY DIFFERENTIAL TRANSFORMER COMPRISING A PRIMARY WINDING DISPOSED ABOUT A COMMON AXIS, A PAIR OF SECONDARY WINDINGS CONNECTED IN BUCKING RELATIONSHIP WITH RESPECT TO EACH OTHER, EACH OF SAID SECONDARY WINDINGS INCLUDING A PLURALITY OF COILS EACH HAVING AN AXIS SUBSTANTIALLY PARALLEL TO SAID COMMON AXIS, AND A MOVABLE ELEMENT PROVIDING MAGNETIC COUPLING BETWEEN SAID PRIMARY AND SECONDARY WINDING TO PRODUCE AN OUTPUT SIGNAL CORRESPONDING TO THE MOVEMENT OF SAID MOVABLE ELEMENT.
Claim 2
Dependent Claim
73 words
A ROTARY DIFFERENTIAL TRANSFORMER COMPRISING A PRIMARY WINDING DISPOSED ABOUT A COMMON AXIS, A PAIR OF SECONDARY WINDINGS CONNECTED IN BUCKING RELATIONSHIP WITH RESPECT TO EACH OTHER, EACH OF SAID SECONDARY WINDINGS INCLUDING A PLURALITY OF COILS EACH HAVING AN AXIS SUBSTANTIALLY PARALLEL TO SAID COMMON AXIS, AND A MOVABLE ELEMENT PROVIDING MAGNETIC COUPLING BETWEEN SAID PRIMARY AND SECONDARY WINDING TO PRODUCE AN OUTPUT SIGNAL CORRESPONDING TO THE MOVEMENT OF SAID MOVABLE ELEMENT.
References Cited (Backward Citations)
US2490655A
Cited
US3112474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |