Optics: measuring and testing – Range or remote distance finding – With photodetection
Patent
1980-05-27
1982-08-10
Buczinski, S. C.
Optics: measuring and testing
Range or remote distance finding
With photodetection
33293, 248480, 356152, G01C 308
Patent
active
043435505
ABSTRACT:
A combined sighting target and bracket adapted for receiving a reflector housing for use with electronic distance measuring instruments in surveying and other civil engineering applications. The unique structure permits adjustment of three parameters that render the present invention generally compatible for use in conjunction with virtually any kind of electronic distance measuring instrument. One such adjustment, namely, vertical displacement between a reflector housing and the sighting target, permits duplication of any offset distance that exists between a telescope and ranging optics of the remotely located measuring instrument. The other adjustment features include elevation and azimuth angle variations that permit orientation of the reflecting device to be virtually normal with respect to the incoming and reflected laser, infrared, or other such energy commonly used by such electronic distance measuring instruments. The unique structure of the present invention permits such vertical and angular adjustments without incurring any substantial error contributions that would otherwise reduce the accuracy of the measurement process.
Two embodiments of the invention are disclosed; namely a first embodiment for use with an electronic distance measuring instrument in which elevation adjustment is achieved by rotation of the combined ranging optics and telescope about a single common axis; and a second embodiment for use with an electronic distance measuring instrument in which elevation adjustment is achieved by rotation of the ranging optics and telescope about separate axes.
REFERENCES:
Wild DI 10 Distomat (Brochure), Wild Heerbrugg, Ltd., CH-9435 Heerbrugg Switz., 7-1974.
Buckley Galen L.
Martin Harold W.
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