Survey system

Details Survey system Survey system

2007-03-20

2007-03-20

Tarcza, Thomas H. (Department: 3662)

Optics: measuring and testing

Angle measuring or angular axial alignment

Apex of angle at observing or detecting station

C356S141200

Reexamination Certificate

active

11044453

ABSTRACT:
A survey system for transmitting guide light for instructing the direction of a target, the guide light having a wide range with small power. The survey system includes a target having a recursion reflector for reflecting light and a survey apparatus having an automatic collimation device for automatically coinciding the collimation axis of the recursion reflector with that of a telescope. The target includes a guide light transmitter for emitting guide light and scans a fan beam that is wide in the horizontal direction and narrow in the vertical direction in the vertical direction as guide light. The survey apparatus includes a direction detector for receiving guide light and detecting the direction of the guide light transmitter and also includes a collimation preparing device for turning the telescope roughly to the recursion reflector based on an output signal from the direction detector prior to commencing the automatic collimation.

REFERENCES:
patent: 5051934 (1991-09-01), Wiklund
patent: 5313409 (1994-05-01), Wiklund et al.
patent: 5440112 (1995-08-01), Sakimura et al.
patent: 6016455 (2000-01-01), Ohtomo et al.
patent: 6023326 (2000-02-01), Katayama et al.
patent: 7055253 (2006-06-01), Kaneko
patent: 2002/0093646 (2002-07-01), Muraoka et al.

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