Television camera tube utilizing light beam scanning
Abstract
Abstract THE TARGER OF A TELEVISION CAMERA TUBE INCLUDES A PHOTOEMITTER OR A PHOTOCONDUCTOR AND A PHOTOCHROMIC GLASS LAYER DISPOSED BETWEEN AN IMAGE BEING VIEWED AND THE SOURCE OF A SCANNING LASER BEAM. THE IMAGE IS FOCUSED ONTO ONE SURFACE OF THE PHOTOCHROMIC GLASS LAYER WHILE THE SCANNING BEAM IS MADE INCIDENT ON THE OPPOSITE SURFACE THEREOF. THE MEAM TRANSMITTED THROUGH THE LAYER EMERGES WITH MODULATED INTENSITY CORRESPONDING TO THE INTENSITY PATTERN OF THE IMAGE AND THEN IMPINGES ON THE PHOTOEMITTER, OFR EXAMPLE, TO GENERATE FREE ELECTRONS MODULATED IN SCAN TIME IN ACCORDANCE WITH THE IMAGE INTENSITY PATTERN. THESE ELECTRONS ARE COLLECTED TO PRODUCE AN ELECTRICAL SIGNAL REPRESENATATIVE OF THE IMAGE.
Inventors
- 👤 C Patel
Bibliographic Details
Claims Analysis
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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) | 1976-02-13 | 1976-08-14 | 1977-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-13 | 1980-08-14 | 1981-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-13 | 1984-08-14 | 1985-02-13 | $7700.00 | Window Closed / Lapsed |