DISTANCE MEASURING DEVICE CAPABLE OF ACCURATELY MEASURING OBJECT DISTANCE USING THE SPOT SIZE OF BEAM FORMED ON A SENSOR

摘要

PURPOSE: A distance measuring device is provided to use a low-sensitivity sensor of high cost efficiency by injecting the reflected beam of high energy into the sensor using a continuous wave laser.;CONSTITUTION: A distance measuring device(10) comprises a light source(60), a sensor lens(84), a light receiving sensor(80), and a rotator mirror(42). The light source emits reference light to measure distance. The sensor lens condenses beam on an object(20). The light receiving sensor is arrayed in a row. The condensed reflect beam is imaged on the light receiving sensor. The light receiving sensor measures the spot size of the imaged reflect beam.;COPYRIGHT KIPO 2010