US3171104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable reluctance binary data transducer
Assignee: Unisys Corp
•
Filing: 1959-10-13
•
Granted: 1965-02-23
•
Expires: 1979-10-13
Abstract
No abstract record available.
Inventors
- 👤 Bernard J Norton
- 👤 William D Sauter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:24
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A BINARY DATA TRANSDUCER COMPRISING FIRST AND SECOND C-SHAPED DATA SENSING MEMBERS EACH HAVING AN INPUT AND AN OUTPUT WINDING, THE OUTPUT WINDINGS BEING INTERCONNECTED IN SERIES CIRCUIT WHEREBY THE CURRENTS INDUCED IN SAID INTERCONNECTED OUTPUT WINDINGS TEND TO FLOW IN OPPOSITE DIRECTIONS, MEANS FOR PULSING SAID INPUT WINDINGS SO AS TO INDUCE SAID CURRENTS IN SAID OUTPUT WINDINGS, FIRST AND SECOND SUBSTANTIALLY MIRROR-SYMMETRIC LONGITUDINALLY ABUTTING DATA STORAGE MEMBER COMPRISING TRANSVERSE SECTIONS OF MAGNETIC AND NONMAGNETIC MATERIAL, AND MEANS FOR POSITIONING SAID DATA SENSING AND SAID DATA STORAGE MEMBERS IN CLOSE CLEARING RELATIONSHIP AND ALLOWING FOR CLOSE CLEARING RELATIVE MOVEMENT OF SAID SENSING MEMBERS LONGITUDINALLY ALONG SAID STORAGE MEMBERS, SAID SENSING MEMBERS BEING POSITIONED ACROSS THE DIRECTION OF SAID MOVEMENT, AND ONE OF SAID SENSING MEMBERS AND SAID STORAGE MEMBERS BEING MUTUALLY DISPLACED BY A PREDETERMINED AMOUNT ALONG THE DIRECTION OF SAID MOVEMENT.
Claim 2
Dependent Claim
143 words
A BINARY DATA TRANSDUCER COMPRISING FIRST AND SECOND C-SHAPED DATA SENSING MEMBERS EACH HAVING AN INPUT AND AN OUTPUT WINDING, THE OUTPUT WINDINGS BEING INTERCONNECTED IN SERIES CIRCUIT WHEREBY THE CURRENTS INDUCED IN SAID INTERCONNECTED OUTPUT WINDINGS TEND TO FLOW IN OPPOSITE DIRECTIONS, MEANS FOR PULSING SAID INPUT WINDINGS SO AS TO INDUCE SAID CURRENTS IN SAID OUTPUT WINDINGS, FIRST AND SECOND SUBSTANTIALLY MIRROR-SYMMETRIC LONGITUDINALLY ABUTTING DATA STORAGE MEMBER COMPRISING TRANSVERSE SECTIONS OF MAGNETIC AND NONMAGNETIC MATERIAL, AND MEANS FOR POSITIONING SAID DATA SENSING AND SAID DATA STORAGE MEMBERS IN CLOSE CLEARING RELATIONSHIP AND ALLOWING FOR CLOSE CLEARING RELATIVE MOVEMENT OF SAID SENSING MEMBERS LONGITUDINALLY ALONG SAID STORAGE MEMBERS, SAID SENSING MEMBERS BEING POSITIONED ACROSS THE DIRECTION OF SAID MOVEMENT, AND ONE OF SAID SENSING MEMBERS AND SAID STORAGE MEMBERS BEING MUTUALLY DISPLACED BY A PREDETERMINED AMOUNT ALONG THE DIRECTION OF SAID MOVEMENT.
References Cited (Backward Citations)
US2590091A
Cited
US2685082A
Cited
US2794851A
Cited
US2779539A
Cited
US2938199A
Cited
US2905874A
Cited
GB886261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |