Working Principle of Range Finders – Measuring the Distance Between Points A and B Laser range finders typically use two methods to measure distance: the pulse method and the phase method. Pulse Method for Ranging
Transmission of Light/Sound/Electromagnetic Waves: A signal is emitted via a laser transmitter, ultrasonic generator, or radio wave modulator. The signal travels through the air, reflects off the target object, and is received by the receiver.