Patent US2515623A successfully refreshed from Google Patents.
Patent US3259819A successfully refreshed from Google Patents.
US3259819A
Expired / Lapsed
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Control apparatus utilizing electromagnetic resolver
Assignee: Honeywell Inc
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Filing: 1963-10-28
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Granted: 1966-07-05
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Expires: 1983-10-28
Abstract
No abstract record available.
Inventors
- 👤 Richard K Heiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:47
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/12; B23Q35/121; B23Q35/123; B23Q35/124
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
RESOLVER APPARATUS, COMPRISING; A PAIR OF DRIVE MEANS CONNECTED TO PRODUCE RECTILINEAR MOVEMENT ALONG QUADRATURE AXIS, COMMAND MEANS TO PROVIDE AN A.C. OUTPUT COMMAND SIGNAL WHOSE QUADRATURE COMPONENTS ARE INDICATIVE OF A COMMAND DRIVE SPEED FOR EACH OF SAID DRIVE MEANS ALONG EACH OF SAID QUADRATURE AXIS, MEANS CONTROLLED BY SAID A.C. COMMAND SIGNAL CONNECTED IN CONTROLLING RELATION TO SAID DRIVE MEANS TO PRODUCE SAID COMMAND DRIVE SPEED THEREOF FURTHER MEANS ASSOCIATED WITH EACH OF SAID DRIVE MEANS TO PROVIDE A PAIR OF D.C. OUTPUT SIGNALS INDICATIVE OF THE ACTUAL DRIVE SPEED OF EACH OF SAID DRIVE MEANS, A RESOLVER HAVING A PAIR OF QUADRATURE RELATED INPUT WINDINGS AND AN OUTPUT WINDING, MEANS PRODUCING RELATIVE ROTATION BETWEEN SAID INPUT WINDINGS AND SAID OUTPUT WINDING, MEANS CONNECTING SAID INPUT WINDINGS TO SAID FURTHER MEANS TO APPLY ONE OF SAID D.C. OUTPUT SIGNALS TO EACH OF SAID INPUT WINDINGS, TO THEREBY CAUSE AN A.C. REFERENCE SIGNAL TO BE GENERATED IN SAID OUTPUT WINDIN WHOSE QUADRATURE COMPONENTS ARE INDICATIVE OF THE ACTUAL DRIVE SPEED OF EACH OF SAID DRIVE MEANS.
Claim 2
Dependent Claim
177 words
RESOLVER APPARATUS, COMPRISING; A PAIR OF DRIVE MEANS CONNECTED TO PRODUCE RECTILINEAR MOVEMENT ALONG QUADRATURE AXIS, COMMAND MEANS TO PROVIDE AN A.C. OUTPUT COMMAND SIGNAL WHOSE QUADRATURE COMPONENTS ARE INDICATIVE OF A COMMAND DRIVE SPEED FOR EACH OF SAID DRIVE MEANS ALONG EACH OF SAID QUADRATURE AXIS, MEANS CONTROLLED BY SAID A.C. COMMAND SIGNAL CONNECTED IN CONTROLLING RELATION TO SAID DRIVE MEANS TO PRODUCE SAID COMMAND DRIVE SPEED THEREOF FURTHER MEANS ASSOCIATED WITH EACH OF SAID DRIVE MEANS TO PROVIDE A PAIR OF D.C. OUTPUT SIGNALS INDICATIVE OF THE ACTUAL DRIVE SPEED OF EACH OF SAID DRIVE MEANS, A RESOLVER HAVING A PAIR OF QUADRATURE RELATED INPUT WINDINGS AND AN OUTPUT WINDING, MEANS PRODUCING RELATIVE ROTATION BETWEEN SAID INPUT WINDINGS AND SAID OUTPUT WINDING, MEANS CONNECTING SAID INPUT WINDINGS TO SAID FURTHER MEANS TO APPLY ONE OF SAID D.C. OUTPUT SIGNALS TO EACH OF SAID INPUT WINDINGS, TO THEREBY CAUSE AN A.C. REFERENCE SIGNAL TO BE GENERATED IN SAID OUTPUT WINDIN WHOSE QUADRATURE COMPONENTS ARE INDICATIVE OF THE ACTUAL DRIVE SPEED OF EACH OF SAID DRIVE MEANS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |