Patent US3140400A successfully refreshed from Google Patents.
US3140400A
Expired / Lapsed
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Inhibit pulse driver
Assignee: Honeywell Inc
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Filing: 1959-07-22
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Granted: 1964-07-07
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Expires: 1979-07-22
Abstract
No abstract record available.
Inventors
- 👤 Shansky David
- 👤 Strohmeier Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:20
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/601
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
111 words
APPARATUS FOR PRODUCING AN INHIBIT PULSE FOR A MEMORY PLANE COMPRISING A BISTABLE MAGNETIC CORE HAVING A SET WINDING, A RESET WINDING CONDUCTIVELY ISOLATED FROM SAID SET WINDING, AND AN OUTPUT WINDING, AN ELECTRONIC SWITCH HAVING INTERNAL SIGNAL DELAY PROPERTIES CONNECTED IN SERIES WITH SAID INPUT WINDING AND BEING ADAPTED, WHEN ACTUATED, TO SWITCH SAID CORE TO A SET STATE, A DIRECT CURRENT SOURCE CONNECTED TO SAID RESET WINDING TO SWITCH SAID CORE TO A RESET STATE WHEN SAID ELECTRONIC SWITCH IS NOT ACTUATED, SAID MEMORY PLANE INCLUDING AN INHIBIT WINDING, AND DIODE MEANS COUPLING SAID OUTPUT WINDING TO SAID INHIBIT WINDING WHEN SAID CORE IS SWITCHED TO SAID RESET STATE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |