US3222526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosensitive light beam location information device
Assignee: Individual
•
Filing: 1961-06-27
•
Granted: 1965-12-07
•
Expires: 1981-06-27
Abstract
No abstract record available.
Inventors
- 👤 Jack V Franck
- 👤 Paul S Broadhead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:31
CPC Classifications
G; G01; G01T; G01T5/00; G01T5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A LIGHT BEAM LOCATION INFORMATION DEVICE COMPRISING, A REVOLVABLY MOUNTED SCANNING DISC AND MOTOR DRIVE THEREFOR, OPTICAL MEANS MOUNTED FOR RECEIVING SAID LIGHT BEAM AND BEING FORMED FOR SUBDIVIDING SAID BEAM INTO X AND Y BEAMS AND DIRECTING SAID X AND Y BEAMS PERPENDICULARLY TO THE PLANE OF SAID DISC AT 90* OF ARC SEPARATION, A REFERENCE LIGHT BEAM PROJECTED TO SAID SCANNING DISC, AND PHOTOELECTRIC MEANS MOUNTED FOR RECEIVING THE PROJECTIONS OF SAID X AND Y AND REFERENCE BEAMS FROM SAID DIC AND DETECTING RELATIVE MOVEMENT BETWEEN SAID X AND Y BEAMS AND SAID REFERENCE BEAM.
Claim 2
Dependent Claim
97 words
A LIGHT BEAM LOCATION INFORMATION DEVICE COMPRISING, A REVOLVABLY MOUNTED SCANNING DISC AND MOTOR DRIVE THEREFOR, OPTICAL MEANS MOUNTED FOR RECEIVING SAID LIGHT BEAM AND BEING FORMED FOR SUBDIVIDING SAID BEAM INTO X AND Y BEAMS AND DIRECTING SAID X AND Y BEAMS PERPENDICULARLY TO THE PLANE OF SAID DISC AT 90* OF ARC SEPARATION, A REFERENCE LIGHT BEAM PROJECTED TO SAID SCANNING DISC, AND PHOTOELECTRIC MEANS MOUNTED FOR RECEIVING THE PROJECTIONS OF SAID X AND Y AND REFERENCE BEAMS FROM SAID DIC AND DETECTING RELATIVE MOVEMENT BETWEEN SAID X AND Y BEAMS AND SAID REFERENCE BEAM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |