Micro-image projection lens assembly
Abstract
Abstract A PROJECTION LENS ASSEMBLY FOR USE WITH A MICRO-IMAGE DISPLAY APPARATUS IN WHICH AN ENLARGED RERESENTATION OF ANY ONE OF A PLURALITY OF MICRO-IMAGES CONTAINED ON A TRANSPARENCY MAY BE SELECTIVELY PROJECTED ONTO A VIEWING SCREEN. THE PROJECTION LENS ASSEMBLY IS COMPRISED OF A SPRING MOUNTED BETWEEN A FIXED PORTION AND A MOVABLE PORTION THEREOF SO AS TO PROVIDE RESILIENT MOVEMENT THEREBETWEEN. MOUNTED ON THE MOVABLE PORTION OF THE PROJECTION LENS ASSEMBLY IS A MICROSCOPE TYPE PROJECTION LENS. A BEARING MEMBER HAVING BEARING SURFACES TO PERMIT RESILIENT MOUNTING OF THE PROJECTION LENS ASSEMBLY IS ADJUSTABLY MOUNTED TO SAID MOVABLE PORTION AT THE OBJECT END OF THE PROJECTION LENS. THE BEARING MEMBER IS ADJUSTABLE TO PERMIT VARYING THE SPACING BETWEEN THE PROJECTION LENS AND THE BEARING SURFACES.
Inventors
- 👤 Hideo Akiyama
- 👤 David G Stockwell
Bibliographic Details
Claims Analysis
Total Claims: 0References 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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |