FIELD: optics.
SUBSTANCE: range finder contains interconnected impulse generator, pump oscillator and laser, and also forming optics, optically connected to photo-receiving route, consisting of serially connected photo-detector, differentiating cascade, pre-amplifier and video-amplifier, output of which being the output of photo-receiving route is serially connected to start-stop distance meter and distance indicator. Laser is optically connected to generator of strobe signal, output of which is connected to controlled inputs of video amplifier and start-stop distance meter. Between output of photo-receiving route and input of start-stop distance meter, introduced are, serially connected, block for weighed heteropolar addition of signals, received from separate successively positioned locating spots, maximum finding device, determining locating spot, appropriate for maximal signal amplitude accumulated during addition, and counter of m from n for checking trustworthiness of selection of locating spot, appropriate for maximal signal amplitude accumulated during addition, which are connected via controlling inputs to output of strobe signal generator.
EFFECT: decreased threshold sensitivity and improved mass-dimensional characteristics of range finder.
2 dwg
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|
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RU2511069C1 |
