发明名称 |
APPARATUS AND METHOD FOR SAMPLING A PHOTOTRANSISTOR |
摘要 |
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. |
申请公布号 |
EP1050016(A1) |
申请公布日期 |
2000.11.08 |
申请号 |
EP19990960599 |
申请日期 |
1999.11.30 |
申请人 |
MICROSOFT CORPORATION |
发明人 |
FEATHERSTON, LORD, NIGEL;MAURO, CHARLES, SALVATORE, JR.;LEE, MARK, R. |
分类号 |
G06F3/038;G06F3/033;(IPC1-7):G06K11/18;H03K17/795 |
主分类号 |
G06F3/038 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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