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Optech Patents Underground Cavity Monitoring System

Photonics Spectra
Oct 2009
Optech Inc. of Toronto, a developer and manufacturer of laser-based survey instruments, has acquired the intellectual property rights of Noranda Inc.’s underground cavity monitoring system (CMS) for monitoring mines. Originally called a mast volumetric laser, the CMS scans elevations continuously with a rotating laser rangefinder and can be deployed into underground cavities.


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