Encoder for a motor controller

Coded data generation or conversion – Digital pattern reading type converter – Optical

Reexamination Certificate

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Details

C250S231130, C250S231160

Reexamination Certificate

active

10946203

ABSTRACT:
An encoder in a motor system measures radial movement and translational movement of a disk with a single integrated sensor disposed on a microprocessor chip. The encoder measures position information and eccentric movement of the disk by the integrated sensor. The measured positional information and eccentric movement information are then combined generating single corrected positional information of the disk. The corrected single positional information may be provided to a user in standard format for operation of the motor system.

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“Written Opinion of the International Searching Authority” mailed on Jan. 4, 2006 for International Application No. PCT/US05/33953.

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