Cavity monitoring system

Details Cavity monitoring system Cavity monitoring system

1992-02-25

1993-08-10

Buczinski, Stephen C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356 2, 356378, 356380, 356152, G01C 308, G01C 1112, G01B 1122

Patent

active

052353982

ABSTRACT:
A cavity monitoring system includes a supporting system adapted to be installed in an access leading to a mined stope, or any other cavity, a mast mounted on the supporting system and adapted to extend into the cavity, and a laser rangefinder mounted at the end of the mast. The laser rangefinder is capable of being rotated around the axis of the mast and directed at the wall of the cavity at angles varying from 0 to 145 degrees from the axis of the mast so as to scan concentric circles on the wall of the cavity permitting a series of distance measurements to be taken to obtain the shape and volume of the cavity.

REFERENCES:
patent: 3705772 (1972-12-01), Andreas
patent: 3715953 (1973-02-01), Allan
patent: 4204772 (1980-05-01), Balasubramian
patent: 4845990 (1989-07-01), Kitzinger et al.
patent: 4893933 (1990-01-01), Neiheisel

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