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Abstract
Abstract THE PRESENT INVENTION IS DIRECTED TO AN IMPROVED OPTICAL CODE WHEEL FOR USE IN AN ANALOG TO DIGITAL CONVERTER WHEREIN THE CODE WHEEL INCLUDES A PLURALITY OF CONCENTRIC TRACKS EACH HAVING BINARY CODED DECIMAL INFORMATION AND WHERE EACH CONCENTRIC TRACK HAS OPAQUE AND TRANSLUCENT PORTIONS REPRESENTING OFF AND ON STATES OF A PARTICULAR WEIGHTED NUMERICAL VALUE AND WITH ALL BUT ONE OF THE CONCENTRIC TRACKS GROUPED TOGETHER IN PAIRS AND WITH A FIRST ONE OF EACH PAIR OF TRACKS REPRESENTING THE SAME WEIGHTED NUMERICAL VALUE AS THE SECOND ONE OF EACH PAIR OF TRACKS AND WITH THE FIRST ONES OF EACH PAIR OF TRACKS PHYSICALLY DISPLACED TO LEAD THE SECOND ONE OF EACH PAIR OF TRACKS SO THAT ALTERNATE ONES OF THE FIRST AND SECOND ONES OF EACH PAIR OF TRACKS MAY BE PRESENT RELATIVE TO THE OTHER. AN OUTPUT SIGNAL IS DERIVED BY SWITCHING BETWEEN THE INFORMATION REPRESENTED BY THE FIRST ONES OF EACH PAIR OF TRACKS AND THE SECOND ONES OF EACH PAIR OF TRACKS. THE INVENTION ALSO INCLUDES AN IMPROVED LAMP ASSEMBLY INCLUDING A FLEXIBLE MEMBER AND WITH A PLURALITY OF INDIVIDUAL ADJUSTMENT MEANS OPERATING AGAINST THE FLEXIBLE MEMBER TO INDIVIDUALLY ADJUST THE POSITION OF LIGHT SOURCES.
Inventors
- 👤 Gerald F Frank
- 👤 Rene M Iadipaolo
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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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) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |