Apparatus and method for sampling a phototransistor
Sampling of a phototransistor in an optical encoding system is controlled by "turning on" the phototransistor, after light has already charged the base of the phototransistor at least somewhat, by applying a potential difference across the collector and emitter of the phototransistor, prod...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | Sampling of a phototransistor in an optical encoding system is controlled by "turning on" the phototransistor, after light has already charged the base of the phototransistor at least somewhat, by applying a potential difference across the collector and emitter of the phototransistor, producing an essentially instantaneous emitter response, which is then sampled. |
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