US3276001A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic analog device
Assignee: Research Corp
•
Filing: 1963-02-08
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Granted: 1966-09-27
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Expires: 1983-02-08
Abstract
No abstract record available.
Inventors
- 👤 Harold S Crafts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:06
CPC Classifications
G; G11; G11C; G11C27/00; G11C27/02; G11C27/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A MAGNETIC DEVICE COMPRISING MAGNETIC MEANS HAVING A SUBSTANTIALLY ZERO FLUX STATE AND A PLURALITY OF OPPOSITE REMANENT FLUX STATES ON EITHER SIDE OF SAID ZERO FLUX STATE, FIRST WINDING MEANS COUPLED TO SAID MAGNETIC MEANS FOR PLACING IT IN A PREDETERMINED ONE OF SAID PLURALITY OF OPPOSITE REMANENT FLUX STATES, SECOND WINDING MEANS FOR APPLYING AN EXCITATION TO SAID MAGNETIC MEANS HAVING A PREDETERMINED FUNDAMENTAL OSCILLATION FREQUENCY AND HAVING AN AMPLITUDE LESS THAN THAT REQUIRED TO ALTER THE REMANENT FLUX STATE OF SAID MAGNETIC MEANS, AND DETECTOR MEANS COUPLED TO SAID SECOND WINDING MEANS AND SOLELY RESPONSIVE TO EXCITATION APPLIED BY SAID MEANS FOR APPLYING EXCITATION FOR DETECTING A SIGNAL HAVING
Claim 2
Dependent Claim
112 words
A MAGNETIC DEVICE COMPRISING MAGNETIC MEANS HAVING A SUBSTANTIALLY ZERO FLUX STATE AND A PLURALITY OF OPPOSITE REMANENT FLUX STATES ON EITHER SIDE OF SAID ZERO FLUX STATE, FIRST WINDING MEANS COUPLED TO SAID MAGNETIC MEANS FOR PLACING IT IN A PREDETERMINED ONE OF SAID PLURALITY OF OPPOSITE REMANENT FLUX STATES, SECOND WINDING MEANS FOR APPLYING AN EXCITATION TO SAID MAGNETIC MEANS HAVING A PREDETERMINED FUNDAMENTAL OSCILLATION FREQUENCY AND HAVING AN AMPLITUDE LESS THAN THAT REQUIRED TO ALTER THE REMANENT FLUX STATE OF SAID MAGNETIC MEANS, AND DETECTOR MEANS COUPLED TO SAID SECOND WINDING MEANS AND SOLELY RESPONSIVE TO EXCITATION APPLIED BY SAID MEANS FOR APPLYING EXCITATION FOR DETECTING A SIGNAL HAVING
References Cited (Backward Citations)
US3008054A
Cited
US3191053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |