US3105928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-optimizing servomechanisms
Assignee: Unisys Corp
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Filing: 1961-04-28
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Granted: 1963-10-01
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Expires: 1981-04-28
Abstract
No abstract record available.
Inventors
- 👤 Robert S Congleton
- 👤 Rex E Paulsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:15
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1445; G05D3/1454; Y; Y10; Y10S; Y10S236/00; Y10S236/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A SERVO SYSTEM HAVING RATE DAMPING COMPRISING CONTROL SIGNAL GENERATING MEANS FOR PROVIDING A VARYING AMPLITUDE CONTROL SIGNAL, A CONTROLLED OBJECT, A SERVO SYSTEM RESPONSIVE TO SAID CONTROL SIGNAL FOR CONTROLLING SAID CONTROLLED OBJECT IN ACCORDANCE THEREWITH, SAID SERVO SYSTEM INCLUDING A POSITION FEEDBACK LOOP AND A RATE FEEDBACK LOOP, SAID RATE FEEDBACK LOOP INCLUDING MEANS FOR VARYING THE GAIN THEREOF THEREBY VARYING THE DAMPING RATION OF SAID SERVO SYSTEM, MEANS FOR PROVIDING A SIGNAL REPRESENTATIVE OF A REFERENCE DAMPING RATION, MEANS RESPONSIVE TO THE OPERATION OF SAID SERVO SYSTEM FOR PROVIDING A SIGNAL REPRESENTATIVE OF THE ACTUAL DAMPING RATIO, AND MEANS RESPONSIVE TO THE DIFFERENCE BETWEEN SAID ACTUAL AND REFERENCE DAMPING RATIO SIGNALS FOR CONTROLLING SAID MEANS FOR VARYING THE GAIN OF SAID RATE FEEDBACK LOOP IN A DIRECTION TO MAINTAIN THE DAMPING RATION CONSTANT.
Claim 2
Dependent Claim
136 words
A SERVO SYSTEM HAVING RATE DAMPING COMPRISING CONTROL SIGNAL GENERATING MEANS FOR PROVIDING A VARYING AMPLITUDE CONTROL SIGNAL, A CONTROLLED OBJECT, A SERVO SYSTEM RESPONSIVE TO SAID CONTROL SIGNAL FOR CONTROLLING SAID CONTROLLED OBJECT IN ACCORDANCE THEREWITH, SAID SERVO SYSTEM INCLUDING A POSITION FEEDBACK LOOP AND A RATE FEEDBACK LOOP, SAID RATE FEEDBACK LOOP INCLUDING MEANS FOR VARYING THE GAIN THEREOF THEREBY VARYING THE DAMPING RATION OF SAID SERVO SYSTEM, MEANS FOR PROVIDING A SIGNAL REPRESENTATIVE OF A REFERENCE DAMPING RATION, MEANS RESPONSIVE TO THE OPERATION OF SAID SERVO SYSTEM FOR PROVIDING A SIGNAL REPRESENTATIVE OF THE ACTUAL DAMPING RATIO, AND MEANS RESPONSIVE TO THE DIFFERENCE BETWEEN SAID ACTUAL AND REFERENCE DAMPING RATIO SIGNALS FOR CONTROLLING SAID MEANS FOR VARYING THE GAIN OF SAID RATE FEEDBACK LOOP IN A DIRECTION TO MAINTAIN THE DAMPING RATION CONSTANT.
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) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |