US3277304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosensitive two-axis angle measuring device
Assignee: Applied Biosystems Inc
•
Filing: 1963-01-17
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Granted: 1966-10-04
•
Expires: 1983-01-17
Abstract
No abstract record available.
Inventors
- 👤 Vyce Joseph Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:00
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/28; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1261; Y10T74/1264
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
A DEVICE FOR MONITORING THE ANGULAR TILT OF THE AXIS OF A ROTATING BODY AS DETERMINED BY REFLECTION OF LIGHT FROM A REFLECTOR MEANS MOUNTED WITH ITS SURFACE APPROXIMATELY PERPENDICULAR TO SAID AXIS, COMPRISING: A LIGHT SOURCE; AN OPTICAL PRISMK HAVING A CLEAR NOSE PORTION AND AT LEAST A PAIR OF OPPOSED SIDES ADJACENT AND ANGLED RELATIVE TO SAID CLEAR NOSE PORTION; FIRST MEANS FOR CHANNELING A SUBSTANTIAL PART OF THE LIGHT EMITTED BY SAID SOURCE TO SAID CLEAR NOSE PORTION OF SAID PRISM, SO THAT SAID LIGHT PASSES THERETHROUGH; CONVERGENT OPTICAL MEANS SO POSITIONED THAT SAID CLEAR NOSE PORTION IS SUBSTANTIALLY IN THE FOCAL PLANE THEREOF, SO THAT SAID LIGHT AFTER PASSAGE THROUGH SAID NOSE PORTION IS COLLIMATED THEREBY; SAID REFLECTOR MEANS ON THE MONITORED ROTATING BODY THEREFORE RETURNING SAID COLLIMATED LIGHT BACK TO SAID COVERGENT OPTICAL MEANS; SAID OPTICAL MEANS REFOCUSSING SAID RETURNED COLLIMATED LIGHT AS RETURNED CONVERGING LIGHT, FORMING AN IMAGE OF SAID NOSE PORTION IN SUBSTANTIALLY THE SAME FOCAL PLANE; AT LEAST ONE DETECTOR MEANS; AND SECOND MEANS FOR CHANNELING AT LEAST A SUBSTANTIAL PART OF ANY OF SAID RETURNED CONVERGING LIGHT FALLING ON EACH OF SAID OPPOSED PRISM SIDES TO THE SAME SAID DETECTOR MEANS.
Claim 2
Independent Claim
200 words
A DEVICE FOR MONITORING THE ANGULAR TILT OF THE AXIS OF A ROTATING BODY AS DETERMINED BY REFLECTION OF LIGHT FROM A REFLECTOR MEANS MOUNTED WITH ITS SURFACE APPROXIMATELY PERPENDICULAR TO SAID AXIS, COMPRISING: A LIGHT SOURCE; AN OPTICAL PRISMK HAVING A CLEAR NOSE PORTION AND AT LEAST A PAIR OF OPPOSED SIDES ADJACENT AND ANGLED RELATIVE TO SAID CLEAR NOSE PORTION; FIRST MEANS FOR CHANNELING A SUBSTANTIAL PART OF THE LIGHT EMITTED BY SAID SOURCE TO SAID CLEAR NOSE PORTION OF SAID PRISM, SO THAT SAID LIGHT PASSES THERETHROUGH; CONVERGENT OPTICAL MEANS SO POSITIONED THAT SAID CLEAR NOSE PORTION IS SUBSTANTIALLY IN THE FOCAL PLANE THEREOF, SO THAT SAID LIGHT AFTER PASSAGE THROUGH SAID NOSE PORTION IS COLLIMATED THEREBY; SAID REFLECTOR MEANS ON THE MONITORED ROTATING BODY THEREFORE RETURNING SAID COLLIMATED LIGHT BACK TO SAID COVERGENT OPTICAL MEANS; SAID OPTICAL MEANS REFOCUSSING SAID RETURNED COLLIMATED LIGHT AS RETURNED CONVERGING LIGHT, FORMING AN IMAGE OF SAID NOSE PORTION IN SUBSTANTIALLY THE SAME FOCAL PLANE; AT LEAST ONE DETECTOR MEANS; AND SECOND MEANS FOR CHANNELING AT LEAST A SUBSTANTIAL PART OF ANY OF SAID RETURNED CONVERGING LIGHT FALLING ON EACH OF SAID OPPOSED PRISM SIDES TO THE SAME SAID DETECTOR MEANS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |