Encoder signal generating device

An encoder signal generating device in which a light receiving element (1) is constituted by a one-chip planar type phototransistor array that has a plurality of light receiving portions (21). Thus, this encoder signal generating device needs no amplification circuit. Even when using this encoder si...

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Bibliographische Detailangaben
1. Verfasser:	SEKI, SHIGEO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS BASIC ELECTRONIC CIRCUITRY CODE CONVERSION IN GENERAL CODING DECODING ELECTRICITY MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS TARIFF METERING APPARATUS TESTING
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Beschreibung
Zusammenfassung:	An encoder signal generating device in which a light receiving element (1) is constituted by a one-chip planar type phototransistor array that has a plurality of light receiving portions (21). Thus, this encoder signal generating device needs no amplification circuit. Even when using this encoder signal generating device as a device of the multi-channel type, the size of the light receiving element (1) is reduced, in comparison with that of a conventional light receiving element. Moreover, a highly sensitive encoder signal generating device, which has good S/N characteristics, is obtained.