METHOD AND APPARATUS FOR DISTANCE MEASUREMENT USING OPTICAL BEAM

• Main Authors: WILLMAN, BRYAN, M, WELLAND, ROBERT
• Format: Patent
• Language: English; French
• Published: 19.08.2010
• Subjects: GYROSCOPIC INSTRUMENTS; MEASURING; MEASURING DISTANCES, LEVELS OR BEARINGS; NAVIGATION; PHOTOGRAMMETRY OR VIDEOGRAMMETRY; PHYSICS; SURVEYING; TESTING

A method and apparatus for measuring a distance are disclosed. A measuring device includes a timer, a counter, an optical emitter, an optical receiver, and a distance computing element. In one embodiment, the timer provides a sequence of signals and the counter counts pulses in a loop. The loop incl...