US3323120A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical vernier for analog-to-digital converters
Assignee: Northrop Grumman Guidance and Electronics Co Inc
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Filing: 1963-10-11
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Granted: 1967-05-30
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Expires: 1983-10-11
Abstract
No abstract record available.
Inventors
- 👤 Robert E Uehlin
- 👤 Charles S Bridge
- 👤 Joseph B Hughes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:43
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
AN OPTICAL VERNIER DEVICE FOR INTERPOLATING BETWEEN A PAIR OF PREDETERMINED POINTS ON A MOVABLE OBJECT, SAID VERNIER DEVICE COMPRISING: MEANS FOR PRODUCING A BEAM OF LIGHT IN ACCORDANCE WITH THE POSITION OF ONE OF THE PREDETERMINED POINTS MOVING WITH THE MOVABLE OBJECT; A SENSING CONTROL MEANS RESPONSIVE TO ILLUMINATION BY SAID BEAM OF LIGHT FOR PRODUCING A SIGNAL IN PROPORTION TO THE DISTANCE SEPARATING THE POINT OF ILLUMINATION OF SAID BEAM OF LIGHT ON SAID SENSING CONTROL MEANS AND A BALANCE POINT ON SAID SENSING CONTROL MEANS; A MOVABLY MOUNTED LIGHT DEFLECTION MEANS FOR FOCUSING SAID BEAM ON A POSITION OF SAID SENSING CONTROL MEANS IN ACCORDANCE WITH THE POSITION OF SAID ONE OF THE PREDETERMINED POINTS; MEANS OPERATIVE IN RESPONSE TO SAID SIGNAL FOR MOVING SAID LIGHT DEFLECTION MEANS TO DEFLECT SAID BEAM TO FOCUS ON SAID BALANCE POINT ON SAID SENSING CONTROL MEANS; AND MEANS FOR DETECTING THE MOVEMENT OF SAID LIGHT DEFLECTION MEANS.
Claim 2
Dependent Claim
157 words
AN OPTICAL VERNIER DEVICE FOR INTERPOLATING BETWEEN A PAIR OF PREDETERMINED POINTS ON A MOVABLE OBJECT, SAID VERNIER DEVICE COMPRISING: MEANS FOR PRODUCING A BEAM OF LIGHT IN ACCORDANCE WITH THE POSITION OF ONE OF THE PREDETERMINED POINTS MOVING WITH THE MOVABLE OBJECT; A SENSING CONTROL MEANS RESPONSIVE TO ILLUMINATION BY SAID BEAM OF LIGHT FOR PRODUCING A SIGNAL IN PROPORTION TO THE DISTANCE SEPARATING THE POINT OF ILLUMINATION OF SAID BEAM OF LIGHT ON SAID SENSING CONTROL MEANS AND A BALANCE POINT ON SAID SENSING CONTROL MEANS; A MOVABLY MOUNTED LIGHT DEFLECTION MEANS FOR FOCUSING SAID BEAM ON A POSITION OF SAID SENSING CONTROL MEANS IN ACCORDANCE WITH THE POSITION OF SAID ONE OF THE PREDETERMINED POINTS; MEANS OPERATIVE IN RESPONSE TO SAID SIGNAL FOR MOVING SAID LIGHT DEFLECTION MEANS TO DEFLECT SAID BEAM TO FOCUS ON SAID BALANCE POINT ON SAID SENSING CONTROL MEANS; AND MEANS FOR DETECTING THE MOVEMENT OF SAID LIGHT DEFLECTION MEANS.
References Cited (Backward Citations)
US3132325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |