US3092718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synchro shaft position encoder
Assignee: Individual
•
Filing: 1960-11-29
•
Granted: 1963-06-04
•
Expires: 1980-11-29
Abstract
No abstract record available.
Inventors
- 👤 John R Wullert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:26
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/48; H03M1/485
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
227 words
IN COMBINATION WITH A COMPUTER, A SYNCHRO SHAFT POSITION ENCODER FOR TRANSFORMING THE POSITION OF A SYNCHRO SHAFT INTO A BINARY NUMBER, A SYNCHRO SHAFT AND A REFERENCE SHAFT, FIRST MEANS RESPONSIVE TO ROTATION OF SAID SYNCHRO SHAFT FOR GENERATING A FIRST SINUSOID, SECOND MEANS CONNECTED TO SAID FIRST MEANS FOR PRODUCING A FIRST SYNCHRO PULSE WHEN SAID FIRST SINUSOID CROSSES THE ZERO AXIS A FIRST TIME AND A SECOND SYNCHRO PULSE WHEN SAID FIRST SINUSOID CROSSES THE ZERO AXIS A SECOND TIME, THIRD MEANS RESPONSIVE TO ROTATION OF SAID REFERENCE SHAFT FOR GENERATING A SECOND SINUSOID, FOURTH MEANS CONNECTED TO SAID THIRD MEANS FOR PRODUCING A FIRST REFERENCE PULSE WHEN SAID SECOND SINUSOID CROSSES THE ZERO AXIS A FIRST TIME AND A SECOND REFERENCE PULSE WHEN SAID REFERENCE SINUSOID CROSSES THE ZERO AXIS A SECOND TIME, ENCODER MEANS CONNECTED TO SAID SECOND AND FOURTH MEANS RECEIVING SAID FIRST AND SECOND SYNCHRO PULSES AND SAID FIRST AND SECOND REFERENCE PULSES FOR TRANSFORMING THE PHASE DIFFERENCE BETWEEN ANY ONE OF SAID FIRST OR SECOND REFERENCE PULSES AND ANY ONE OF SAID FIRST OR SECOND SYNCHRO PULSES INTO DIGITAL FORM, SAID ENCODER MEANS INCLUDING CORRECTOR MEANS PROVIDING A CORRECTION TO THE TRANSFORMING FUNCTION WHEN SAID PHASE DIFFERENCE IS DEFINED BY SAID FIRST REFERENCE PULSE AND SAID SECOND SYNCHRO PULSE OR SAID SECOND REFERENCE PULSE AND SAID FIRST SYNCHRO PULSE.
Claim 2
Dependent Claim
227 words
IN COMBINATION WITH A COMPUTER, A SYNCHRO SHAFT POSITION ENCODER FOR TRANSFORMING THE POSITION OF A SYNCHRO SHAFT INTO A BINARY NUMBER, A SYNCHRO SHAFT AND A REFERENCE SHAFT, FIRST MEANS RESPONSIVE TO ROTATION OF SAID SYNCHRO SHAFT FOR GENERATING A FIRST SINUSOID, SECOND MEANS CONNECTED TO SAID FIRST MEANS FOR PRODUCING A FIRST SYNCHRO PULSE WHEN SAID FIRST SINUSOID CROSSES THE ZERO AXIS A FIRST TIME AND A SECOND SYNCHRO PULSE WHEN SAID FIRST SINUSOID CROSSES THE ZERO AXIS A SECOND TIME, THIRD MEANS RESPONSIVE TO ROTATION OF SAID REFERENCE SHAFT FOR GENERATING A SECOND SINUSOID, FOURTH MEANS CONNECTED TO SAID THIRD MEANS FOR PRODUCING A FIRST REFERENCE PULSE WHEN SAID SECOND SINUSOID CROSSES THE ZERO AXIS A FIRST TIME AND A SECOND REFERENCE PULSE WHEN SAID REFERENCE SINUSOID CROSSES THE ZERO AXIS A SECOND TIME, ENCODER MEANS CONNECTED TO SAID SECOND AND FOURTH MEANS RECEIVING SAID FIRST AND SECOND SYNCHRO PULSES AND SAID FIRST AND SECOND REFERENCE PULSES FOR TRANSFORMING THE PHASE DIFFERENCE BETWEEN ANY ONE OF SAID FIRST OR SECOND REFERENCE PULSES AND ANY ONE OF SAID FIRST OR SECOND SYNCHRO PULSES INTO DIGITAL FORM, SAID ENCODER MEANS INCLUDING CORRECTOR MEANS PROVIDING A CORRECTION TO THE TRANSFORMING FUNCTION WHEN SAID PHASE DIFFERENCE IS DEFINED BY SAID FIRST REFERENCE PULSE AND SAID SECOND SYNCHRO PULSE OR SAID SECOND REFERENCE PULSE AND SAID FIRST SYNCHRO PULSE.
References Cited (Backward Citations)
US2980900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |