US3085192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable output transformer
Assignee: Tamar Electronics Industries Inc
•
Filing: 1960-03-10
•
Granted: 1963-04-09
•
Expires: 1980-03-10
Abstract
No abstract record available.
Inventors
- 👤 Theodore C Maier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:46
CPC Classifications
H; H01; H01F; H01F29/00; H01F29/08; H01F29/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A VARIABLE OUTPUT TRANSFORMER COMPRISING A STATOR HAVING FOUR N SYMMETRICALLY DISPOSED POLES, N BEING ANY WHOLE NUMBER GREATER THAN ZERO, A MEMBER OF MAGNETIC MATERIAL MOVABLE WITH RESPECT TO SAID STATOR AND HAVING A NULL POSITION WITH RESPECT TO SAID POLES, A FIRST WINDING ASSOCIATED WITH EACH OF SAID POLES FOR PRODUCING A MAGNETOMOTIVE FORCE PATTERN IN SAID STATOR IN WHICH THE FORCES ARE DIRECTED ALTERNATELY INWARDLY AND OUTWARDLY IN ADJACENT PAIRS OF POLES, A SECOND WINDING ASSOCIATED WITH SAID POLES FOR PRODUCING AN OUTPUT VOLTAGE IN ACCORDANCE WITH THE POSITION OF SAID MOVABLE MEMBER, A THIRD WINDING ASSOCIATED WITH AT LEAST ONE OF SAID POLES FOR VARYING THE FLUX PATTERN IN SAID STATOR, SAID THIRD WINDING HAVING A CENTER TAP, AND A POTENTIOMETER HAVING ITS ENDS CONNECTED TO THE ENDS OF SAID THIRD WINDING FOR SIMULTANEOUSLY APPLYING VARIABLE CURRENT VALUES TO EACH HALF OF SAID THIRD WINDING.
Claim 2
Dependent Claim
149 words
A VARIABLE OUTPUT TRANSFORMER COMPRISING A STATOR HAVING FOUR N SYMMETRICALLY DISPOSED POLES, N BEING ANY WHOLE NUMBER GREATER THAN ZERO, A MEMBER OF MAGNETIC MATERIAL MOVABLE WITH RESPECT TO SAID STATOR AND HAVING A NULL POSITION WITH RESPECT TO SAID POLES, A FIRST WINDING ASSOCIATED WITH EACH OF SAID POLES FOR PRODUCING A MAGNETOMOTIVE FORCE PATTERN IN SAID STATOR IN WHICH THE FORCES ARE DIRECTED ALTERNATELY INWARDLY AND OUTWARDLY IN ADJACENT PAIRS OF POLES, A SECOND WINDING ASSOCIATED WITH SAID POLES FOR PRODUCING AN OUTPUT VOLTAGE IN ACCORDANCE WITH THE POSITION OF SAID MOVABLE MEMBER, A THIRD WINDING ASSOCIATED WITH AT LEAST ONE OF SAID POLES FOR VARYING THE FLUX PATTERN IN SAID STATOR, SAID THIRD WINDING HAVING A CENTER TAP, AND A POTENTIOMETER HAVING ITS ENDS CONNECTED TO THE ENDS OF SAID THIRD WINDING FOR SIMULTANEOUSLY APPLYING VARIABLE CURRENT VALUES TO EACH HALF OF SAID THIRD WINDING.
References Cited (Backward Citations)
US2882484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |