US3099777A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital position control servosystem
Assignee: Westinghouse Electric Corp
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Filing: 1960-07-08
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Granted: 1963-07-30
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Expires: 1980-07-08
Abstract
No abstract record available.
Inventors
- 👤 Marvin A Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:17
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/21; G05B19/23; G05B19/231; H; H03; H03M; H03M1/00; G05B2219/00; G05B2219/30; G05B2219/50; G05B2219/50043; H03M1/12; H03M1/124; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/300896
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
IN POSITION CONTROL APPARATUS FOR A MACHINE MEMBER OPERATIVE WITH A DESIRED POSITION SIGNAL SOURCE, THE COMBINATION OF FIRST SIGNAL STORAGE DEVICE HAVING A PLURALITY OF STAGES AND BEING OPERATIVE WITH SAID SIGNAL SOURCE FOR RECEIVING SAID DESIRED POSITION SIGNAL, A SECOND SIGNAL STORAGE DEVICE HAVING A LIKE PLURALITY OF STAGES AND BEING COOPERATIVE WITH SAID FIRST SIGNAL STORAGE DEVICE AND WITH SAID SIGNAL SOURCE FOR RECEIVING SAID DESIRED POSITION SIGNAL, POSITION FEEDBACK SIGNAL SUPPLY MEANS OPERATIVE WITH SAID MACHINE MEMBER FOR PROVIDING A POSITION FEEDBACK SIGNAL IN ACCORDANCE WITH THE POSITION OF SAID MACHINE MEMBER, A THIRD SIGNAL STORAGE DEVICE OPERATIVE WITH ONE OF SAID FIRST SIGNAL STORAGE DEVICE AND SAID SECOND SIGNAL STORAGE DEVICE AND OPERATIVE WITH SAID POSITION FEEDBACK SIGNAL SUPPLY MEANS FOR PROVIDING A POSITION DIFFERENCE SIGNAL IN ACCORDANCE WITH A PREDETERMINED DIFFERENCE BETWEEN SAID DESIRED POSITION SIGNAL AND THE POSITION FEEDBACK SIGNAL, AND A COUNTING SIGNAL SOURCE OPERATIVE WITH SAID FIRST SIGNAL STORAGE DEVICE AND SAID THIRD SIGNAL STORAGE DEVICE FOR SUPPLYING COUNTING SIGNALS TO SAID FIRST AND THIRD SIGNAL STORAGE DEVICES FOR EFFECTING SAID POSITION DIFFERENCE SIGNAL.
Claim 2
Dependent Claim
183 words
IN POSITION CONTROL APPARATUS FOR A MACHINE MEMBER OPERATIVE WITH A DESIRED POSITION SIGNAL SOURCE, THE COMBINATION OF FIRST SIGNAL STORAGE DEVICE HAVING A PLURALITY OF STAGES AND BEING OPERATIVE WITH SAID SIGNAL SOURCE FOR RECEIVING SAID DESIRED POSITION SIGNAL, A SECOND SIGNAL STORAGE DEVICE HAVING A LIKE PLURALITY OF STAGES AND BEING COOPERATIVE WITH SAID FIRST SIGNAL STORAGE DEVICE AND WITH SAID SIGNAL SOURCE FOR RECEIVING SAID DESIRED POSITION SIGNAL, POSITION FEEDBACK SIGNAL SUPPLY MEANS OPERATIVE WITH SAID MACHINE MEMBER FOR PROVIDING A POSITION FEEDBACK SIGNAL IN ACCORDANCE WITH THE POSITION OF SAID MACHINE MEMBER, A THIRD SIGNAL STORAGE DEVICE OPERATIVE WITH ONE OF SAID FIRST SIGNAL STORAGE DEVICE AND SAID SECOND SIGNAL STORAGE DEVICE AND OPERATIVE WITH SAID POSITION FEEDBACK SIGNAL SUPPLY MEANS FOR PROVIDING A POSITION DIFFERENCE SIGNAL IN ACCORDANCE WITH A PREDETERMINED DIFFERENCE BETWEEN SAID DESIRED POSITION SIGNAL AND THE POSITION FEEDBACK SIGNAL, AND A COUNTING SIGNAL SOURCE OPERATIVE WITH SAID FIRST SIGNAL STORAGE DEVICE AND SAID THIRD SIGNAL STORAGE DEVICE FOR SUPPLYING COUNTING SIGNALS TO SAID FIRST AND THIRD SIGNAL STORAGE DEVICES FOR EFFECTING SAID POSITION DIFFERENCE SIGNAL.
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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |