Patent CH227293A successfully refreshed from Google Patents.
US3376569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binary signal responsive electromagnetic indicator
Assignee: Patwin Inc
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Filing: 1965-09-27
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Granted: 1968-04-02
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Expires: 1985-09-27
Abstract
No abstract record available.
Inventors
- 👤 John A Watkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:40
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/08; G06M1/10; G06M1/102; G06M1/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
IN AN ELECTROMAGNETIC INDICATOR OF THE TYPE UTILIZING A STATOR HAVING ELECTRICALLY ENERGIZABLE WINDINGS MOUNTED UPON AN ANNULAR FERROMAGNETIC CORE FOR SELECTIVELY ESTABLISHING A PLURALITY OF DISCRETELY ORIENTED MAGNETIC FIELDS, AND A ROTOR HAVING A SALIENT POLE MAGNET MOUNTED TO PIVOT WITHIN THE ANNULAR CORE WHEREBY THE MAGNET ROTATES INTO ALIGNMENT WITH THE MAGNETIC FIELD ESTABLISHED BY THE STATOR, THE IMPROVEMENT WHEREBY THE INDICATOR RESPONDS TO A SET OF SIMULTANEOUS ELECTRICAL SIGNALS CODED IN ACCORDANCE WITH A BINARY SYSTEM SO THAT EACH SIGNAL IN THE SET REPRESENTS ONE BIT IN THE BINARY CODE, THE IMPROVEMENT RESIDING IN THE STATOR HAVING MAIN AND AUXILIARY WINDINGS CONNECTED IN PAIRS TO CAUSE BOTH WINDINGS OF THE PAIR TO BE SIMULTANEOUSLY ENERGIZED BY AN ELECTRICAL SIGNAL, MEANS FOR COUPLING EACH SIGNAL IN THE SET TO A DIFFERENT ONE OF THE MAIN WINDING PAIRS, AND SWITCHING MEANS FOR CAUSING AN AUXILIARY PAIR OF WINDINGS TO BE ENERGIZED WHEN THE ELECTRICAL SIGNALS IN THE SET NORMALLY WOULD ENERGIZE MORE THAN TWO MAIN WINDING PAIRS, THE SWITCHING MEANS PREVENTING ENERGIZATION OF THE MAIN WINDINGS.
Claim 2
Dependent Claim
177 words
IN AN ELECTROMAGNETIC INDICATOR OF THE TYPE UTILIZING A STATOR HAVING ELECTRICALLY ENERGIZABLE WINDINGS MOUNTED UPON AN ANNULAR FERROMAGNETIC CORE FOR SELECTIVELY ESTABLISHING A PLURALITY OF DISCRETELY ORIENTED MAGNETIC FIELDS, AND A ROTOR HAVING A SALIENT POLE MAGNET MOUNTED TO PIVOT WITHIN THE ANNULAR CORE WHEREBY THE MAGNET ROTATES INTO ALIGNMENT WITH THE MAGNETIC FIELD ESTABLISHED BY THE STATOR, THE IMPROVEMENT WHEREBY THE INDICATOR RESPONDS TO A SET OF SIMULTANEOUS ELECTRICAL SIGNALS CODED IN ACCORDANCE WITH A BINARY SYSTEM SO THAT EACH SIGNAL IN THE SET REPRESENTS ONE BIT IN THE BINARY CODE, THE IMPROVEMENT RESIDING IN THE STATOR HAVING MAIN AND AUXILIARY WINDINGS CONNECTED IN PAIRS TO CAUSE BOTH WINDINGS OF THE PAIR TO BE SIMULTANEOUSLY ENERGIZED BY AN ELECTRICAL SIGNAL, MEANS FOR COUPLING EACH SIGNAL IN THE SET TO A DIFFERENT ONE OF THE MAIN WINDING PAIRS, AND SWITCHING MEANS FOR CAUSING AN AUXILIARY PAIR OF WINDINGS TO BE ENERGIZED WHEN THE ELECTRICAL SIGNALS IN THE SET NORMALLY WOULD ENERGIZE MORE THAN TWO MAIN WINDING PAIRS, THE SWITCHING MEANS PREVENTING ENERGIZATION OF THE MAIN WINDINGS.
References Cited (Backward Citations)
US3218625A
Cited
US3289199A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |