US3334282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural channel control apparatus
Assignee: Honeywell Inc
•
Filing: 1963-09-30
•
Granted: 1967-08-01
•
Expires: 1983-09-30
Abstract
No abstract record available.
Inventors
- 👤 John A Wolfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:02
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/08; G05D1/0808
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN CONDITION CONTROL APPARATUS INCLUDING A VARIABLE GAIN DEVICE AND A SERVOMOTOR CONTROLLED THEREBY AND IN TURN POSITIONING AN OUTPUT MEMBER, IN COMBINATION: MEANS PROVIDING THREE SIGNALS IN ACCORDANCE WITH THE DISPLACEMENT OF THE OUTPUT MEMBER; FILTER MEANS PASSING DESIRED LIMIT CYCLE FREQUENCIES OF SAID THREE SIGNALS; MEANS CONVERTING SAID THREE FILTERED SIGNALS OF THE DESIRED FREQUENCY TO ABSOLUTE MAGNITUDE; MEANS PROVIDING A SELECTED SIGNAL INDICATIVE OF A DESIRED AMPLITUDE OF THE DESIRED FREQUENCY SIGNAL; MEANS COMBINING SAID CO NVERTED THREE FILTERED SIGNALS OF THE DESIRED FREQUENCY AND THE DESIRED OR SELECTED MAGNITUDE SIGNAL; AN INTEGRATOR CONTROLLED BY THE COMBINING MEANS; AND MEANS CONTROLLED BY THE INTEGRATOR CONTROLLING THE GAIN OF THE VARIABLE GAIN DEVICE AND THEREBY CONTROLLING THE SERVOMOTOR AND OUTPUT MEMBER, SO THAT THE OUTPUT MEMBER LIMIT CYCLE MAGNITUDE APPROACHES THAT OF THE SELECTED MAGNITUDE.
Claim 2
Dependent Claim
137 words
IN CONDITION CONTROL APPARATUS INCLUDING A VARIABLE GAIN DEVICE AND A SERVOMOTOR CONTROLLED THEREBY AND IN TURN POSITIONING AN OUTPUT MEMBER, IN COMBINATION: MEANS PROVIDING THREE SIGNALS IN ACCORDANCE WITH THE DISPLACEMENT OF THE OUTPUT MEMBER; FILTER MEANS PASSING DESIRED LIMIT CYCLE FREQUENCIES OF SAID THREE SIGNALS; MEANS CONVERTING SAID THREE FILTERED SIGNALS OF THE DESIRED FREQUENCY TO ABSOLUTE MAGNITUDE; MEANS PROVIDING A SELECTED SIGNAL INDICATIVE OF A DESIRED AMPLITUDE OF THE DESIRED FREQUENCY SIGNAL; MEANS COMBINING SAID CO NVERTED THREE FILTERED SIGNALS OF THE DESIRED FREQUENCY AND THE DESIRED OR SELECTED MAGNITUDE SIGNAL; AN INTEGRATOR CONTROLLED BY THE COMBINING MEANS; AND MEANS CONTROLLED BY THE INTEGRATOR CONTROLLING THE GAIN OF THE VARIABLE GAIN DEVICE AND THEREBY CONTROLLING THE SERVOMOTOR AND OUTPUT MEMBER, SO THAT THE OUTPUT MEMBER LIMIT CYCLE MAGNITUDE APPROACHES THAT OF THE SELECTED MAGNITUDE.
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |