US3077553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Servo system having accelerometer responsive filtering of spurious mechanical signal component
Assignee: Unisys Corp
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Filing: 1960-10-25
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Granted: 1963-02-12
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Expires: 1980-10-25
Abstract
No abstract record available.
Inventors
- 👤 Allan A Borghard
- 👤 Siskind Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:45
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/08; G05D1/0808; G01; G01C; G01C21/00; G01C21/10; G01C21/12; G01C21/16; G01C21/18; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A SERVO SYSTEM HAVING FILTERING CHARACTERISTICS COMPRISING MEANS FOR PROVIDING AN INPUT SIGNAL HAVING HIGH AND LOW FREQUENCY COMPONENTS, MEANS INCLUDING A SERVOMOTOR RESPONSIVE TO SAID INPUT SIGNAL FOR PROVIDING ROTATION IN ACCORDANCE THEREWITH, FIRST MEANS RESPONSIVE TO THE ROTATION OF SAID SERVOMOTOR FOR PROVIDING A FIRST SIGNAL IN OPPOSITION TO SAID INPUT SIGNAL HAVING HIGH FREQUENCY CHARACTERISTICS SUBSTANTIALLY EQUAL TO THOSE OF SAID INPUT SIGNAL, SECOND MEANS RESPONSIVE TO THE ROTATION OF SAID SERVOMOTOR FOR PROVIDING A SECOND SIGNAL IN OPPOSITION TO SAID INPUT SIGNAL HAVING LOW FREQUENCY CHARACTERISTICS SUBSTANTIALLY EQUAL TO THOSE OF SAID INPUT SIGNAL, MEANS FOR EFFECTIVELY CANCELLING ONE OF SAID FIRST AND SECOND SIGNALS THEREBY PROVIDING AN INPUT SIGNAL HAVING ONLY A DESIRABLE FREQUENCY COMPONENT, AND SIGNAL UTILIZATION MEANS RESPONSIVE TO THE DESIRABLE FREQUENCY COMPONENT OF SAID INPUT SIGNAL.
Claim 2
Dependent Claim
134 words
A SERVO SYSTEM HAVING FILTERING CHARACTERISTICS COMPRISING MEANS FOR PROVIDING AN INPUT SIGNAL HAVING HIGH AND LOW FREQUENCY COMPONENTS, MEANS INCLUDING A SERVOMOTOR RESPONSIVE TO SAID INPUT SIGNAL FOR PROVIDING ROTATION IN ACCORDANCE THEREWITH, FIRST MEANS RESPONSIVE TO THE ROTATION OF SAID SERVOMOTOR FOR PROVIDING A FIRST SIGNAL IN OPPOSITION TO SAID INPUT SIGNAL HAVING HIGH FREQUENCY CHARACTERISTICS SUBSTANTIALLY EQUAL TO THOSE OF SAID INPUT SIGNAL, SECOND MEANS RESPONSIVE TO THE ROTATION OF SAID SERVOMOTOR FOR PROVIDING A SECOND SIGNAL IN OPPOSITION TO SAID INPUT SIGNAL HAVING LOW FREQUENCY CHARACTERISTICS SUBSTANTIALLY EQUAL TO THOSE OF SAID INPUT SIGNAL, MEANS FOR EFFECTIVELY CANCELLING ONE OF SAID FIRST AND SECOND SIGNALS THEREBY PROVIDING AN INPUT SIGNAL HAVING ONLY A DESIRABLE FREQUENCY COMPONENT, AND SIGNAL UTILIZATION MEANS RESPONSIVE TO THE DESIRABLE FREQUENCY COMPONENT OF SAID INPUT SIGNAL.
References Cited (Backward Citations)
US2951974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |