Patent US3267346A successfully refreshed from Google Patents.
US3267346A
Expired / Lapsed
US
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Aligning system for step motor
Assignee: Ampex Corp
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Filing: 1964-01-02
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Granted: 1966-08-16
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Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 Max M Liang
- 👤 Charles E Mendenhall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:03
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/20; H; H02; H02P; H02P8/00; H02P8/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
AN ALIGNMENT SYSTEM FOR A STEP MOTOR WHICH HAS A PLURALITY OF WINDINGS, AN OUTPUT SHAFT, AND A ROTOR OPERATIVELY COUPLED TO SAID OUTPUT SHAFT, WHEREIN A GIVEN ONE OF SAID WINDINGS MUST BE ENERGIZED TO STEP THE ROTOR, THE COMBINATION COMPRISING: A MOTOR CONTROLLER FOR ENERGIZING SAID WINDINGS; SAID MOTOR CONTROLLER HAVING AN INPUT TERMINAL FOR RECEIVING INPUT SIGNALS AND HAVING A PLURALITY OF OUTPUTS EACH OF WHICH IS CONNECTED TO ONE OF SAID WINDINGS, SAID MOTOR CONTROLLER ALTERNATING BETWEEN STABLE STATES TO GENERATE AN OUTPUT AT ONE OF SAID OUTPUTS AT A TIME; AND MEANS COUPLED TO SAID MOTOR CONTROLLER TO ESTABLISH THE SELECTED STABLE STATE THEREIN FOR GENERATING A SINGLE ALIGNING OUTPUT AT THE OUTPUT AND RESPECTIVE WINDING WHEN ENERGIZED WILL MOVE SAID OUTPUT SHAFT PRIOR TO APPLICATION OF THE INPUT SIGNALS, WHEREBY THE FIRST SUBSEQUENT INPUT SIGNAL TO SAID CONTROLLER INPUT TERMINALS WILL RESULT IN MOVEMENT OF SAID OUTPUT SHAFT.
Claim 2
Dependent Claim
154 words
AN ALIGNMENT SYSTEM FOR A STEP MOTOR WHICH HAS A PLURALITY OF WINDINGS, AN OUTPUT SHAFT, AND A ROTOR OPERATIVELY COUPLED TO SAID OUTPUT SHAFT, WHEREIN A GIVEN ONE OF SAID WINDINGS MUST BE ENERGIZED TO STEP THE ROTOR, THE COMBINATION COMPRISING: A MOTOR CONTROLLER FOR ENERGIZING SAID WINDINGS; SAID MOTOR CONTROLLER HAVING AN INPUT TERMINAL FOR RECEIVING INPUT SIGNALS AND HAVING A PLURALITY OF OUTPUTS EACH OF WHICH IS CONNECTED TO ONE OF SAID WINDINGS, SAID MOTOR CONTROLLER ALTERNATING BETWEEN STABLE STATES TO GENERATE AN OUTPUT AT ONE OF SAID OUTPUTS AT A TIME; AND MEANS COUPLED TO SAID MOTOR CONTROLLER TO ESTABLISH THE SELECTED STABLE STATE THEREIN FOR GENERATING A SINGLE ALIGNING OUTPUT AT THE OUTPUT AND RESPECTIVE WINDING WHEN ENERGIZED WILL MOVE SAID OUTPUT SHAFT PRIOR TO APPLICATION OF THE INPUT SIGNALS, WHEREBY THE FIRST SUBSEQUENT INPUT SIGNAL TO SAID CONTROLLER INPUT TERMINALS WILL RESULT IN MOVEMENT OF SAID OUTPUT SHAFT.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |