Encoder

Details Encoder Encoder

1996-03-20

1998-03-17

Young, Brian K.

Coded data generation or conversion

Digital pattern reading type converter

Magnetic, inductive or capacitive

H03M 122

Patent

active

057292183

ABSTRACT:
An encoder for measuring a relative position between two objects and including a scale support connected with one of the objects, and a scanning unit displaceable along the scale support and connected with the other of the two objects, either directly or by a carrier, by a coupling having a first coupling part attached to the scanning unit, a second coupling part attached to the other object and a carrier, and a third ball-shaped coupling part located between the facing each other surfaces of the two coupling parts and held in a constant contact with these facing surfaces by magnetic forces.

REFERENCES:
Kiyoshi, Ishikawa, Positioning Device, Patent Abstracts of Japan, Publication No. JP60173614, published Jul. 9, 1985.
Ernst, A., Neuere Entwicklungen bei fotelektrischen Langenme.beta.geraten, messen+prufen/automatick Juli/Aug. 1974, 435-438.

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