High resolution encoder

Details High resolution encoder High resolution encoder

1989-09-18

1991-01-22

Ro, Bentsu

Coded data generation or conversion

Digital pattern reading type converter

Magnetic, inductive or capacitive

341171, 29607, H03M 122, G01P 342

Patent

active

049874152

ABSTRACT:
A high resolution encoder having a relatively high number of magnetic pole pairs with a magnetic flux strength sufficient for use in high resolution applications. Magnetic pole pair spacing varies from about 0.010 inch to about 0.050 inch with each magnetic pole pair having a magnetic flux in the range of about 2 gauss to about 700 gauss at a distance of 0.036 inch at a temperature of +20 degrees centigrade. This high resolution encoder is especially well-suited for use with magnetically encoded targets in sensor bearings.

REFERENCES:
patent: 3727302 (1973-04-01), Phelon
patent: 4746862 (1988-05-01), Ueki
patent: 4897914 (1990-02-01), Loubier
patent: 4899145 (1990-02-01), Okuda et al.

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