LASER PULSE DISTANCE METER Russian patent published in 2015 - IPC G01C3/08 

FIELD: measurement equipment.

SUBSTANCE: distance meter includes a pulse semiconductor laser with an optical system, a laser pumping circuit, an avalanche photodiode with an optical system, which is in-series connected to an amplifier of photodetected signals, a controllable power supply (CPS) for the avalanche photodiode, a multiplier, a low-pass filter (LPF), an analogue-to-digital converter (ADC), a microcontroller (MC), a digital-to-analogue converter (DAC), an inverting amplifier, two comparators, a three-input multiplexer, an adder, two two-input multiplexers, random access memory (RAM), a clock pulse generator, an address counter, a counter of the summing number, three comparison circuits, a trigger and a range indicator.

EFFECT: reducing measurement error and improvement of mass-and-dimensional parameters of a distance meter.

2 dwg