Screen combination
Abstract
Abstract THE HEAD LINES OF THE SCREENS ARE USED IN PRINTING A PICTURE ARE PREFERABLY SLANT AND AT DIFFERENT ANGLES IN RELATION TO THE HEAD LINES OF THAT PICTURE. EVERY SCREEN DOT OF SUCH A SCREEN IS OBTAINED AT THE DEVICE DESCRIBED BY EXPOSURE OF A PHOTO-SENSITIVE LAYER, WHICH IS PROVIDED ON TO AN ETCHABLE SUBSTRATE, WITH THE AID OF AN ELECTRON BEAM. IN THE PROCESS A HEAD LINE OF THE PICTURE MOVES ACCORDING TO ITS OWN LENGTHWISE DIRECTION IN A PLANE PERPENDICULAR TO THE OPTICAL AXIS OF THE ELECTRON GUN. BY RENDERING THE ELECTRON BEAM FOR MANUFACTURING SPECIFIC DOTS OF THE SCREEN A DEVLINATION PERPENDICULAR TO THE SAID HEAD LINE AND/OR IN THE DIRECTION OF THE SAID HEAT LINE OF THE PICTURE A SCREEN IS CREATED WITH ITS TWO HEAD LINES SLANT IN RELATION O THE HEAD LINES OF THE PICTURE.
Inventors
- 👤 Leendert Antonius Fontijn
Bibliographic Details
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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) | 1975-05-23 | 1975-11-22 | 1976-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-23 | 1979-11-22 | 1980-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-23 | 1983-11-22 | 1984-05-23 | $7700.00 | Window Closed / Lapsed |