Position detection surveying device

Details Position detection surveying device Position detection surveying device

1998-01-29

2000-04-04

Buczinski, Stephen C.

Optics: measuring and testing

Angle measuring or angular axial alignment

Apex of angle at observing or detecting station

356 401, 35613907, 3561414, G01B 1126, G01C 308

Patent

active

060468009

ABSTRACT:
The present invention relates to a position detection surveying device for detecting a position of a target, and more particularly to a position detection surveying device which is most suitable for an automatic surveying apparatus and, without using expensive acoustooptic devices, can be miniaturized and manufactured so that it saves the electric power. In the present invention, a light emitting means irradiates a target with a light which is sector-shaped in an up-and-down direction, and a light receiving means receives a reflected light from the target, and a rotating means rotates in a horizontal direction a portion comprising at least the light emitting means and the light receiving means, and a computational processing means is able to detect a position of the target in accordance with a light reception signal from the light receiving means.

REFERENCES:
patent: 3897151 (1975-07-01), LeCroy
patent: 4401886 (1983-08-01), Pond et al.
patent: 4721385 (1988-01-01), Jelalian et al.
patent: 4950075 (1990-08-01), Ichinose et al.
patent: 5098185 (1992-03-01), Watanabe
patent: 5210586 (1993-05-01), Grage et al.
patent: 5485009 (1996-01-01), Meyzonnette et al.

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