Datum beam projecting apparatus for use with surveying equipment

Details Datum beam projecting apparatus for use with surveying equipment Datum beam projecting apparatus for use with surveying equipment

1989-10-27

1991-07-16

Dzierzynski, Paul M.

G02B 1700

Patent

active

050320149

ABSTRACT:
A datum beam projecting apparatus for use with surveying equipment projects light rays emitted from a light source as the datum beam through a projecting lens system, wherein the apparatus uses a plane-parallel glass serving to compensate for tilt of the datum beam, thereby maintaining a direction of the projected datum beam constant with respect to a tilt of the apparatus. The plane-parallel glass is tiltably located in an optical path defined between the light source and the projecting lens system so that the following relationship may be satisfied:

REFERENCES:
patent: 2868066 (1959-01-01), Argyle

Affiliated with

Also associated with

Rating

Datum beam projecting apparatus for use with surveying equipment does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Datum beam projecting apparatus for use with surveying equipment, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Datum beam projecting apparatus for use with surveying equipment will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-127380