US3354320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light position locating system
Assignee: Individual
•
Filing: 1964-08-31
•
Granted: 1967-11-21
•
Expires: 1984-08-31
Abstract
No abstract record available.
Inventors
- 👤 Hugh L Dryden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:21
CPC Classifications
G; G01; G01S; G01S3/00; G01S3/78; G01S3/782; G01S3/787; B; B64; B64G; B64G1/00; B64G3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
206 words
A LIGHT DETECTION SYSTEM CONTAINED IN A HOUSING FOR DETERMINING THE POSITION OF A LIGHT SOURCE ABOUT A FIRST AND SECOND AXES OF A SPACE VEHICLE COMPRISING: A LIGHT DETECTOR MOUNTED IN SAID HOUSING, SAID LIGHT DETECTOR COMPRISING A PHOTOMULTIPLIER TUBE HAVING A PHOTOSENSITIVE SURFACE IN A PLANE PARALLEL TO THAT OF SAID FIRST AND SECOND AXES, SAID LIGHT DETECTOR HAVING FIRST AND SECOND OUTPUT STATES, SAID FIRST STATE BEING AN OUTPUT PULSE WHEN SAID LIGHT SOURCE IS DETECTED BY A PHOTOSENSITIVE SURFACE AND SAID SECOND OUTPUT STATE BEING A LACK OF AN OUTPUT SIGNAL WHEN NO LIGHT SOURCE IS DETECTED BY SAID PHOTOSENSITIVE SURFACE; A POSITION REFERENCE HAVING A RECTANGULAR APERTURE THEREIN MOUNTED ON SAID PHOTOSENSITIVE SURFACE IN A PLANE PARALLEL TO THAT OF SAID AXES; AN OPTICAL SYSTEM HAVING A LENS FORMING THE OUTER SURFACE OF A PORTION OF SAID HOUSING AND MOUNTED IN A PLANE PARALLEL TO THAT OF SAID AXES FOR FOCUSING AN IMAGE OF SAID LIGHT SOURCE ON SAID PHOTOMULTIPLIER TUBE; AND MEANS FOR ALTERNATELY ALLOWING SAID LIGHT SOURCE TO BE BLOCKED AND PASSED TO SAID PHOTOSENSITIVE SURFACE THROUGH SAID APERTURE COMPRISING A SHUTTER HAVING A TRAPEZOIDAL SHAPED PORTION AND FIRST AND SECOND RECTANGULAR SHAPED PORTIONS, EACH OF SAID PORTIONS BEING
Claim 2
Dependent Claim
206 words
A LIGHT DETECTION SYSTEM CONTAINED IN A HOUSING FOR DETERMINING THE POSITION OF A LIGHT SOURCE ABOUT A FIRST AND SECOND AXES OF A SPACE VEHICLE COMPRISING: A LIGHT DETECTOR MOUNTED IN SAID HOUSING, SAID LIGHT DETECTOR COMPRISING A PHOTOMULTIPLIER TUBE HAVING A PHOTOSENSITIVE SURFACE IN A PLANE PARALLEL TO THAT OF SAID FIRST AND SECOND AXES, SAID LIGHT DETECTOR HAVING FIRST AND SECOND OUTPUT STATES, SAID FIRST STATE BEING AN OUTPUT PULSE WHEN SAID LIGHT SOURCE IS DETECTED BY A PHOTOSENSITIVE SURFACE AND SAID SECOND OUTPUT STATE BEING A LACK OF AN OUTPUT SIGNAL WHEN NO LIGHT SOURCE IS DETECTED BY SAID PHOTOSENSITIVE SURFACE; A POSITION REFERENCE HAVING A RECTANGULAR APERTURE THEREIN MOUNTED ON SAID PHOTOSENSITIVE SURFACE IN A PLANE PARALLEL TO THAT OF SAID AXES; AN OPTICAL SYSTEM HAVING A LENS FORMING THE OUTER SURFACE OF A PORTION OF SAID HOUSING AND MOUNTED IN A PLANE PARALLEL TO THAT OF SAID AXES FOR FOCUSING AN IMAGE OF SAID LIGHT SOURCE ON SAID PHOTOMULTIPLIER TUBE; AND MEANS FOR ALTERNATELY ALLOWING SAID LIGHT SOURCE TO BE BLOCKED AND PASSED TO SAID PHOTOSENSITIVE SURFACE THROUGH SAID APERTURE COMPRISING A SHUTTER HAVING A TRAPEZOIDAL SHAPED PORTION AND FIRST AND SECOND RECTANGULAR SHAPED PORTIONS, EACH OF SAID PORTIONS BEING
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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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |