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Title: Laser system preset unit

Patent ·
OSTI ID:5170288

An electronic circuit is provided which may be used to preset a digital display unit of a Zeeman-effect layer interferometer system which derives distance measurements by comparing a reference signal to a Doppler signal generated at the output of the interferometer laser head. The circuit presets dimensional offsets in the interferometer digital display by electronically inducing a variation in either the Doppler signal or the reference signal, depending upon the direction of the offset, to achieve the desired display preset.

Assignee:
Energy Research and Development Administration
Patent Number(s):
US 4043671
OSTI ID:
5170288
Resource Relation:
Patent File Date: Filed date 13 Jul 1976; Other Information: PAT-APPL-704,872
Country of Publication:
United States
Language:
English

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