US3256773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pseudo three dimension display
Assignee: Individual
•
Filing: 1964-09-01
•
Granted: 1966-06-21
•
Expires: 1984-09-01
Abstract
No abstract record available.
Inventors
- 👤 James D Perdue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:37
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/56; G03B21/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A PSEUDO THREE-DIMENSION DISPLAY FOR THE VISUAL TRACKING OF AN OBJECT IN FLIGHT INCLUDING IN COMBINATION A PROJECTION SCREEN, A MAP ON SAID SCREEN, A SOURCE OF LIGHT, A CARRIAGE ASSEMBLY DISPOSED OVER SAID SOURCE OF LIGHT, AN APAQUE PLATE ADJUSTABLY MOUNTED IN SAID CARRIAGE, THERE BEING A PLURALITY OF TRANSPARENT LINES ON SAID PLATE, SAID PLATE ADAPTED TO BE MOVED WITH RESPECT TO SAID MAP BY SAID CARRIAGE, ADJUSTABLE MEANS CARRIED BY SAID CARRIAGE FOR MASKING ONE OF SAID TRANSPARENT LINES AND A PROJECTION HEAD MOUNTED OVER SAID PLATE FOR PROJECTING LIGHT RAYS, EMANATING FROM SAID SOURCE OF LIGHT AND THROUGH SAID TRANSPARENT LINES, ONTO SAID MAP WHEREBY THE IMAGE OF SAID LINES WILL REPRESENT THE POSITION OF THE OBJECT WITH RESPECT TO SAID MAP AND WILL CREATE AN ILLUSION OF THREE DIMENSIONS WITH RESPECT TO SAID MAP WHEN SAID DISPLAY IS VIEWED.
Claim 2
Dependent Claim
144 words
A PSEUDO THREE-DIMENSION DISPLAY FOR THE VISUAL TRACKING OF AN OBJECT IN FLIGHT INCLUDING IN COMBINATION A PROJECTION SCREEN, A MAP ON SAID SCREEN, A SOURCE OF LIGHT, A CARRIAGE ASSEMBLY DISPOSED OVER SAID SOURCE OF LIGHT, AN APAQUE PLATE ADJUSTABLY MOUNTED IN SAID CARRIAGE, THERE BEING A PLURALITY OF TRANSPARENT LINES ON SAID PLATE, SAID PLATE ADAPTED TO BE MOVED WITH RESPECT TO SAID MAP BY SAID CARRIAGE, ADJUSTABLE MEANS CARRIED BY SAID CARRIAGE FOR MASKING ONE OF SAID TRANSPARENT LINES AND A PROJECTION HEAD MOUNTED OVER SAID PLATE FOR PROJECTING LIGHT RAYS, EMANATING FROM SAID SOURCE OF LIGHT AND THROUGH SAID TRANSPARENT LINES, ONTO SAID MAP WHEREBY THE IMAGE OF SAID LINES WILL REPRESENT THE POSITION OF THE OBJECT WITH RESPECT TO SAID MAP AND WILL CREATE AN ILLUSION OF THREE DIMENSIONS WITH RESPECT TO SAID MAP WHEN SAID DISPLAY IS VIEWED.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |