US3233112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preference circuit employing magnetic elements
Assignee: AT&T Inc
•
Filing: 1960-02-04
•
Granted: 1966-02-01
•
Expires: 1980-02-04
Abstract
No abstract record available.
Inventors
- 👤 Jr John A Baldwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:59
CPC Classifications
G; G11; G11C; G11C15/00; G11C15/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
AN ELECTRICAL CIRCUIT COMPRISING A FIRST, SECOND, AND THIRD MAGNETIC CORE, EACH OF SAID CORES HAVING A SUBSTANTIALLY RECTANGULAR HYSTERESIS CHARACTERISTICS, A RESET WINDING AN INPUT WINDING, AND AN INHIBIT WINDING INDUCTIVELY COUPLED TO EACH OF SAID CORES, SAID INHIBIT WINDINGS OF SAID SECOND AND THIRD CORES AND SAID INPUT WINDING OF SAID FIRST CORE BEING SERIALLY CONNECTED, AND SAID INPUT WINDING OF SAID SECOND CORE BEING SERIALLY CONNECTED TO SAID INHIBIT WINDING OF ONLY SAID THIRD CORE, MEANS FOR SELECTIVELY APPLYING INPUT CURRENT PULSES TO SAID INPUT WINDINGS, MEANS FOR APPLYING A RESET CURRENT PULSE TO EACH OF SAID RESET WINDINGS, AND AN OUTPUT WINDING ON EACH OF SAID CORES.
Claim 2
Dependent Claim
111 words
AN ELECTRICAL CIRCUIT COMPRISING A FIRST, SECOND, AND THIRD MAGNETIC CORE, EACH OF SAID CORES HAVING A SUBSTANTIALLY RECTANGULAR HYSTERESIS CHARACTERISTICS, A RESET WINDING AN INPUT WINDING, AND AN INHIBIT WINDING INDUCTIVELY COUPLED TO EACH OF SAID CORES, SAID INHIBIT WINDINGS OF SAID SECOND AND THIRD CORES AND SAID INPUT WINDING OF SAID FIRST CORE BEING SERIALLY CONNECTED, AND SAID INPUT WINDING OF SAID SECOND CORE BEING SERIALLY CONNECTED TO SAID INHIBIT WINDING OF ONLY SAID THIRD CORE, MEANS FOR SELECTIVELY APPLYING INPUT CURRENT PULSES TO SAID INPUT WINDINGS, MEANS FOR APPLYING A RESET CURRENT PULSE TO EACH OF SAID RESET WINDINGS, AND AN OUTPUT WINDING ON EACH OF SAID CORES.
References Cited (Backward Citations)
US2825890A
Cited
US2719733A
Cited
US2719961A
Cited
US2923833A
Cited
US2805020A
Cited
US2951240A
Cited
US3085232A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |