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Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 5969809 | Light-measuring device for accurate and continuous measurement of light intensity A light-measuring device is disclosed for continuously and accurately measuring the intensity of light beams of from low intensity to high intensity. The intensity of a light beam to be measured is measured by a photodiode. A bias voltage is applied to th... | 10/19/1999 |
| 4619527 | Process and device for automatically detecting faults in fabrics and similar textile sheet-like structures A boundary or line-detecting process using image-filtering is used to detect fabric faults in moving textile fabric webs. A double-slit mask or an electrical equivalent thereof is used as a filter. The output signal of the filter is formed from the differ... | 10/28/1986 |
