US3240549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Projecting 3-dimensional pictures for direct viewing
Assignee: Panopix Research Inc
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Filing: 1963-12-04
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Granted: 1966-03-15
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Expires: 1983-12-04
Abstract
No abstract record available.
Inventors
- 👤 Leon W Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:27
CPC Classifications
G; G03; G03B; G03B35/00; G03B35/18; G03B35/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
THE METHOD OF PROJECTING THREE DIMENSIONAL PICTURES ONTO A VIEWING SCREEN, COMPRISING THE STEPS OF: SIMULTANEOUSLY PROJECTING IMAGES FROM STEREOSCOPICALLY RELATED PICTURES TOWARD A VIEWING SCREEN; CYCLICALLY AND CONTINUOUSLY CHANGING THE DISTANCE BETWEEN THE FOCAL PLANE OF EACH IMAGE, AND SAID SCREEN SO THAT SAID FOCAL PLANES ALTERNATELY AND MOMENTARILY COINCIDE WITH SAID SCREEN AND SO THAT THE FOCAL PLANE OF ONE IMAGE COINCIDES WITH SAID SCREEN AT A TIME WHEN THE FOCAL PLANE OF THE OTHER IMAGE IS AT MAXIMUM DISPLACEMENT THEREFROM; AND CONTINUOUSLY AND INVERSELY CHANGING THE LIGHT INTENSITY IN EACH PROJECTED IMAGE SO THAT EACH IS AT MAXIMUM INTENSITY WHEN ITS FOCAL PLANE COINCIDES WITH SAID SCREEN AND SUBSTANTIALLY ZERO WHEN ITS FOCAL PLANE IS AT ITS MAXIMUM DISPLACEMENT FROM SAID SCREEN.
Claim 2
Independent Claim
125 words
THE METHOD OF PROJECTING THREE DIMENSIONAL PICTURES ONTO A VIEWING SCREEN, COMPRISING THE STEPS OF: SIMULTANEOUSLY PROJECTING IMAGES FROM STEREOSCOPICALLY RELATED PICTURES TOWARD A VIEWING SCREEN; CYCLICALLY AND CONTINUOUSLY CHANGING THE DISTANCE BETWEEN THE FOCAL PLANE OF EACH IMAGE, AND SAID SCREEN SO THAT SAID FOCAL PLANES ALTERNATELY AND MOMENTARILY COINCIDE WITH SAID SCREEN AND SO THAT THE FOCAL PLANE OF ONE IMAGE COINCIDES WITH SAID SCREEN AT A TIME WHEN THE FOCAL PLANE OF THE OTHER IMAGE IS AT MAXIMUM DISPLACEMENT THEREFROM; AND CONTINUOUSLY AND INVERSELY CHANGING THE LIGHT INTENSITY IN EACH PROJECTED IMAGE SO THAT EACH IS AT MAXIMUM INTENSITY WHEN ITS FOCAL PLANE COINCIDES WITH SAID SCREEN AND SUBSTANTIALLY ZERO WHEN ITS FOCAL PLANE IS AT ITS MAXIMUM DISPLACEMENT FROM SAID SCREEN.
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |