LASER GEODETIC LEVEL Russian patent published in 1996 - IPC

Abstract SU 1699234 A1

FIELD: geodetic instrumentation. SUBSTANCE: invention offers to laser devices to do levelling and may be used for assembly of technological equipment. Laser geodetic level has laser 2 mounted on stand 1, case of former 6 made of invar mounted for movement in horizontal plane, telescopic system installed in case 6 and two ampules 7 and 8 of liquid compensator with grooves which outer generating lines are inclined towards bottom of ampule at angle equal to contact angle of liquid. Rectangular prism 9 which deflects optical axis in horizontal direction is positioned at outlet of liquid compensator. EFFECT: increased accuracy of laser geodetic level due to reduced influence of heat effects. 2 dwg

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SU 1 699 234 A1

Authors

Bespalov Ju.I.

Zajkov V.I.

Golovanov M.N.

Dates

1996-10-20—Published

1987-07-15—Filed