US3200382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regenerative switching circuit
Assignee: International Business Machines Corp
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Filing: 1961-08-28
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Granted: 1965-08-10
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Expires: 1981-08-28
Abstract
No abstract record available.
Inventors
- 👤 Donald F Busch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:13
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A MAGNETIC SWITCHING CIRCUIT COMPRISING A TRANSISTOR; A MAGNETIC CORE CAPABLE OF ASSUMING EITHER OF TWO STABLE STATES OF MAGNETIC REMANENCE, ONE OF WHICH IS A REFERENCE STATE, AND HAVING AN INPUT, AN OUTPUT, AND RESET WINDINGS INDUCTIVELY COUPLED THERETO; AN ENERGY STORING MEANS CONNECTED ACROSS SAID OUTPUT WINDING; A BIAS POTENTIAL; MEANS ELECTRICALLY CONNECTING SAID TRANSISTOR AND SAID BIAS POTENTIAL WITH SAID ENERGY STORING MEANS; A LOAD POTENTIAL; A LOAD CIRCUIT INCLUDING SAID TRANSISTOR, SAID RESET WINDING, A LOAD AND CONNECTED WITH SAID LOAD POTENTIAL; AND MEANS FOR APPLYING PULSES TO SAID INPUT WINDING FOR SWITCHING SAID CORE FROM ITS REFERENCE STATE AND THEREBY SUPPLY CURRENT TO SAID ENERGY STORING MEANS AND AT THE TERMINATION OF EACH APPLIED PULSE THE ENERGY STORED IN SAID ENERGY STORING MEANS BEING SUFFICIENT TO RENDER SAID TRANSISTOR CONDUCTIVE WITH THE RESULTING CURRENT FLOW IN THE LOAD CIRCUIT SERVING TO SIMULTANEOUSLY PULSE SAID LOAD AND RESTORE SAID CORE TO ITS REFERENCE STATE.
Claim 2
Dependent Claim
158 words
A MAGNETIC SWITCHING CIRCUIT COMPRISING A TRANSISTOR; A MAGNETIC CORE CAPABLE OF ASSUMING EITHER OF TWO STABLE STATES OF MAGNETIC REMANENCE, ONE OF WHICH IS A REFERENCE STATE, AND HAVING AN INPUT, AN OUTPUT, AND RESET WINDINGS INDUCTIVELY COUPLED THERETO; AN ENERGY STORING MEANS CONNECTED ACROSS SAID OUTPUT WINDING; A BIAS POTENTIAL; MEANS ELECTRICALLY CONNECTING SAID TRANSISTOR AND SAID BIAS POTENTIAL WITH SAID ENERGY STORING MEANS; A LOAD POTENTIAL; A LOAD CIRCUIT INCLUDING SAID TRANSISTOR, SAID RESET WINDING, A LOAD AND CONNECTED WITH SAID LOAD POTENTIAL; AND MEANS FOR APPLYING PULSES TO SAID INPUT WINDING FOR SWITCHING SAID CORE FROM ITS REFERENCE STATE AND THEREBY SUPPLY CURRENT TO SAID ENERGY STORING MEANS AND AT THE TERMINATION OF EACH APPLIED PULSE THE ENERGY STORED IN SAID ENERGY STORING MEANS BEING SUFFICIENT TO RENDER SAID TRANSISTOR CONDUCTIVE WITH THE RESULTING CURRENT FLOW IN THE LOAD CIRCUIT SERVING TO SIMULTANEOUSLY PULSE SAID LOAD AND RESTORE SAID CORE TO ITS REFERENCE STATE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |