US3208052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bidirectional shift register utilizing flux pumping
Assignee: TE Connectivity Corp
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Filing: 1961-02-20
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Granted: 1965-09-21
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Expires: 1981-02-20
Abstract
No abstract record available.
Inventors
- 👤 David R Bennion
- 👤 Douglas C Engelbart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:08
CPC Classifications
G; G11; G11C; G11C19/00; G11C19/02; G11C19/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
IN A SHIFT REGISTER OF THE TYPE EMPLOYING A PLURALITY OF TOROIDAL MAGNETIC CORES EACH HAVING A CLEAR AND SET STATE OF MAGNETIC REMANCES, SAID CORES BEING INDUCTIVELY COUPLED TO EACH OTHER FOR TRANSFERRING FLUX THEREBETWEEN, EACH CORE HAVING AN INPUT AND AN OUTPUT APERTURE, A PRIMING WINDING INDUCTIVELY COUPLED TO ALL OF SAID OUTPUT APERTURES AND A SOURCE OF PRIMING CURRENT WHICH WHEN APPLIED TO SAID PRIMING WINDING CAUSES REVERSAL OF THE FLUX IN THE MAGNETIC MATERIAL ABOUT THE OUTPUT APERTURE OF A CORE WHICH IS IN ITS SET STATE, THE IMPROVEMENT IN SAID SHIFT REGISTER COMPRISING A SOURCE OF PUMPING CURRENT, AND MEANS FOR APPLYING CURRENT FROM SAID SOURCE OF PUMPING CURRENT TO SAID PRIMARY WINDING WITH A POLARITY TO PROVIDE A MAGNETOMOTIVE DRIVE TO THE MAGNETIC MATERIAL ABOUT SAID OUTPUT APERTURES FOR DRIVING SAID MAGNETIC MATERIAL BACK TO THE MAGNETIC STATES FROM WHICH THEY ARE DRIVEN BY PRIMING CURRENT TO EFFECTUATE A TRANSFER OF FLUX TO A SUCCEEDING CORE.
Claim 2
Dependent Claim
162 words
IN A SHIFT REGISTER OF THE TYPE EMPLOYING A PLURALITY OF TOROIDAL MAGNETIC CORES EACH HAVING A CLEAR AND SET STATE OF MAGNETIC REMANCES, SAID CORES BEING INDUCTIVELY COUPLED TO EACH OTHER FOR TRANSFERRING FLUX THEREBETWEEN, EACH CORE HAVING AN INPUT AND AN OUTPUT APERTURE, A PRIMING WINDING INDUCTIVELY COUPLED TO ALL OF SAID OUTPUT APERTURES AND A SOURCE OF PRIMING CURRENT WHICH WHEN APPLIED TO SAID PRIMING WINDING CAUSES REVERSAL OF THE FLUX IN THE MAGNETIC MATERIAL ABOUT THE OUTPUT APERTURE OF A CORE WHICH IS IN ITS SET STATE, THE IMPROVEMENT IN SAID SHIFT REGISTER COMPRISING A SOURCE OF PUMPING CURRENT, AND MEANS FOR APPLYING CURRENT FROM SAID SOURCE OF PUMPING CURRENT TO SAID PRIMARY WINDING WITH A POLARITY TO PROVIDE A MAGNETOMOTIVE DRIVE TO THE MAGNETIC MATERIAL ABOUT SAID OUTPUT APERTURES FOR DRIVING SAID MAGNETIC MATERIAL BACK TO THE MAGNETIC STATES FROM WHICH THEY ARE DRIVEN BY PRIMING CURRENT TO EFFECTUATE A TRANSFER OF FLUX TO A SUCCEEDING CORE.
References Cited (Backward Citations)
US2968795A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |