G - Physics – 01 – B
Patent
G - Physics
01
B
354/25, 33/63
G01B 7/14 (2006.01)
Patent
CA 1293058
ABSTRACT OF THE DISCLOSURE The invention relates to an improvement of a hypsometer, with which one measures and computes the dimensions of circular cylindrical vertical objects, such as trees. In the sight of the hypsometer there is a horizontal angle device for determining the horizon- tal angular distance between the boundary surfaces of the object to be measured. A computing unit computes the diameter of the object at a location along its length at which the operator has aimed the instrument, on the basis of said angular distance and the distance to the object and the vertical angular position when aiming at this location, as obtained from the plumb- line angle sensor of the hypsometer.
528415
Ericsson Lars
Wiklund Rudolf
Geotronics Ab
Marks & Clerk
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