US3102239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counter employing quantizing core to saturate counting core in discrete steps to effect countdown
Assignee: Unisys Corp
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Filing: 1962-08-28
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Granted: 1963-08-27
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Expires: 1982-08-28
Abstract
No abstract record available.
Inventors
- 👤 Chen Tung Chang
- 👤 Robert A Tracy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:31
CPC Classifications
H; H03; H03K; H03K25/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
BINARY MAGNETIC CORE AND A MULTI-STABLE MAGNETIC CORE HAVING N STABLE STATES OF REMANENCE WHEREIN ITS FIRST AND NTH STATES ARE ITS RETENTIVITY STATES, AN OUTPUT WINDING ON SAID BINARY CORE AND AN INPUT WINDING ON SAID MULTI-STABLE CORE, A UNDIRECTIONAL TRANSFER LOOP COUPLING SUCH WINDINGS OF SAID CORES TO EFFECTUATE THE STEPPING OF SAID MULTI-STABLE CORE INTO DISCRETE REPRODUCIBLE STATES OF MAGNETIC STORAGE UPON THE SWITCHING OF SAID BINARY CORE FROM ONE REMANENT STATE TO ITS OTHER REMANENT STATE, A CAPACITOR COUPLED IN SERIES CIRCUIT IN SAID TRANSFER LOOP, A RESISTOR IN PARALLEL WITH SAID CAPACITOR AND MEANS RESPONSIVE TO A HIGH POTENTIAL AT SAID RESISTOR FOR RESETTING SAID MULTI-STABLE CORE WHEREBY IT IS AUTOMATICALLY RESET UPON REACHING THAT RETENTIVITY POINT OPPOSITE TO ITS INITIAL RETENTIVITY POINT.
Claim 2
Dependent Claim
128 words
BINARY MAGNETIC CORE AND A MULTI-STABLE MAGNETIC CORE HAVING N STABLE STATES OF REMANENCE WHEREIN ITS FIRST AND NTH STATES ARE ITS RETENTIVITY STATES, AN OUTPUT WINDING ON SAID BINARY CORE AND AN INPUT WINDING ON SAID MULTI-STABLE CORE, A UNDIRECTIONAL TRANSFER LOOP COUPLING SUCH WINDINGS OF SAID CORES TO EFFECTUATE THE STEPPING OF SAID MULTI-STABLE CORE INTO DISCRETE REPRODUCIBLE STATES OF MAGNETIC STORAGE UPON THE SWITCHING OF SAID BINARY CORE FROM ONE REMANENT STATE TO ITS OTHER REMANENT STATE, A CAPACITOR COUPLED IN SERIES CIRCUIT IN SAID TRANSFER LOOP, A RESISTOR IN PARALLEL WITH SAID CAPACITOR AND MEANS RESPONSIVE TO A HIGH POTENTIAL AT SAID RESISTOR FOR RESETTING SAID MULTI-STABLE CORE WHEREBY IT IS AUTOMATICALLY RESET UPON REACHING THAT RETENTIVITY POINT OPPOSITE TO ITS INITIAL RETENTIVITY POINT.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |