REFLECTIVE TYPE ENCODER, SERVO MOTOR AND SERVO UNIT

REFLECTIVE TYPE ENCODER, SERVO MOTOR AND SERVO UNIT

Reflected light can be effectively utilized by increasing a light receiving area. Incremental light receiving element groups 140L and 140R are separated and arranged in the circumferential direction of a rotating disc 110 while placing a light source 130 therebetween. First and second absolute light...

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Hauptverfasser: YOSHIDOMI Shirou, YOSHIDA Yasushi, ARINAGA Yuji, MATSUTANI Yasuhiro
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS
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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creator YOSHIDOMI Shirou
YOSHIDA Yasushi
ARINAGA Yuji
MATSUTANI Yasuhiro
description Reflected light can be effectively utilized by increasing a light receiving area. Incremental light receiving element groups 140L and 140R are separated and arranged in the circumferential direction of a rotating disc 110 while placing a light source 130 therebetween. First and second absolute light receiving element groups 150D and 150U are arranged at both sides of the outside and inside of the light source 130 in the radial direction of the rotating disc 110. As a result, first and second absolute light receiving elements 151 and 152 are continuously arranged, and also the incremental light receiving element groups 140L and 140R and the absolute light receiving element groups 150D and 150U can be arranged to surround the periphery of the light source 130 from four directions.
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subjects ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS
MEASURING
MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE
MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
PHYSICS
TARIFF METERING APPARATUS
TESTING
title REFLECTIVE TYPE ENCODER, SERVO MOTOR AND SERVO UNIT
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