Hand-held laser rangefinder

Details Hand-held laser rangefinder Hand-held laser rangefinder

G - Physics

01

S

G01S 17/08 (2006.01) G01S 7/51 (2006.01) G01S 17/50 (2006.01) G01S 17/88 (2006.01) G01S 17/89 (2006.01)

Patent

CA 2051656

2051656 9012330 PCTABS00002 A hand-held, ''time-of-flight'' laser rangefinder comprises a main body (10) enclosing the rangefinder laser transmission and detection optics (14, 16) with battery holders (18) disposed on either side acting as hand-grips. An electronics housing (12) disposed on the underside of the body (10) incorporates an alphanumeric display and a keypad, and encloses microprocessor and memory means for controlling the operation of the device and data logging. One embodiement, intended for use in surveying applications, further includes an inclinometer for measuring the angle of the optical axis of the device with respect to the horizontal, the memory means being adapted to log distances and corresponding angles for a plurality of readings. A further embodiment is adapted to measure the speed of moving objects from the change in distance and the elapsed time between successive readings taken from the object. A data down-load port (34) is also included to allow data to be output to a computer, printer etc. for further analysis, hard copy etc.

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