Electronic computer input equipment
Abstract
Abstract ELECTRIC RECEIVERS. APPARATUS IS PROVIDED TO PRODUCE OR SIMULATE CYCLIC SCANNING OF THE AREA COVERED BY THE LIGHT BEAMS, AND ADDITIONAL MEANS ARE PROVIDED TO DERIVE FROM THE OUTPUT OF THE RECEIVERS ELECTRICAL SIGNALS ENCODING THE COORDINATE VALUES OF ANY POSITION MAN GIVES TO THE OPAQUE POINTR WITHIN THE FIELD. D R A W I N G ELECTRONIC COMPUTER INPUT EQUIPMENT OF THE TYPE EMPLOYING THE PRINCIPLES OF MAN TO MACHINE COMMUNICATION SYSTEMS WHEREIN A MAN OPERATES AN OPAQUE POINTER IN A LIGHT FIELD EXTENDING ACROSS A VISUALIZATION TABLE AND APPARATUS IS PROVIDED FOR DETERMINING THE COORDINATE POSITION OF THE POINTER WITHIN THE FIELD SUCH THAT ELECTRICAL SIGNALS OF SUCH POSITION ARE PROVIDED AS INPUTS TO THE COMPUTER. SPECIFICALLY A PLURALITY OF LIGHT BEAMS CORRESPONDING IN NUMBER TO THE COORDINATE AXES ARE DIRECTED ACROSS THE TABLE TO A LIKE NUMBER OF PHOTO-
Inventors
- 👤 Charles Remy Cooreman
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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |