US3089081A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential transformer
Assignee: SCHAEVITZ ENGINEERING
•
Filing: 1958-01-14
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Granted: 1963-05-07
•
Expires: 1978-01-14
Abstract
No abstract record available.
Inventors
- 👤 Brosh Amnon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:17
CPC Classifications
H; H01; H01F; H01F29/00; H01F29/08; H01F29/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
AN ELECTRO-MECHANICAL TRANSDUCER COMPRISING A DIFFERENTIAL TRANSFORMER, A MOVABLE CORE MEMBER ASSOCIATED WITH SAID DIFFERENTIAL TRANSFORMER, AND MEANS ASSOCIATED WITH DIFFERENTIAL TRANSFORMER TO PROVIDE A SINGLE NULL OPERATING POSITION FOR SAID CORE MEMBER AND TO PROVIDE A LINEAR OUTPUT VOLTAGE VARIABLE FROM SUBSTANTIALLY ZERO THROUGH SUBSTANTIALLY THE FULL LINEAR OPERATING RANGE OF SAID TRANSFORMER WHEN SAID CORE MEMBER IS MOVED IN A SINGLE DIRECTION.
Claim 2
Dependent Claim
64 words
AN ELECTRO-MECHANICAL TRANSDUCER COMPRISING A DIFFERENTIAL TRANSFORMER, A MOVABLE CORE MEMBER ASSOCIATED WITH SAID DIFFERENTIAL TRANSFORMER, AND MEANS ASSOCIATED WITH DIFFERENTIAL TRANSFORMER TO PROVIDE A SINGLE NULL OPERATING POSITION FOR SAID CORE MEMBER AND TO PROVIDE A LINEAR OUTPUT VOLTAGE VARIABLE FROM SUBSTANTIALLY ZERO THROUGH SUBSTANTIALLY THE FULL LINEAR OPERATING RANGE OF SAID TRANSFORMER WHEN SAID CORE MEMBER IS MOVED IN A SINGLE DIRECTION.
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) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |