Method and apparatus for distance measurement

Details Method and apparatus for distance measurement Method and apparatus for distance measurement

1996-06-05

1999-02-23

Gross, Anita Pellman

Registers

Coded record sensors

Particular sensor structure

235472, 235454, 250561, G06K 710, G01N 2186

Patent

active

058747192

ABSTRACT:
The invention relates to a method and to an apparatus for measuring the distance between a measuring device and an object in which a light signal transmitted over the measurement path undergoes a phase shift which is converted into a frequency change in an oscillating circuit.

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patent: 5638164 (1997-06-01), Landau
patent: 5648844 (1997-07-01), Clark

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