Patent ID: 6333783
Filing Date: 2001-12-25
Classification: G01C

Abstract:
A distance measuring system comprising an optical system integrally having a distance measuring optical system for receiving a range finding beam reflected from an object to be measured and a collimation optical system for collimating said object to be measured, a distance measuring unit having a photodetection unit for receiving said range finding beam, a range finding beam optical path leading said range finding beam from said optical system toward said photodetection unit, and a dividing means for dividing said range finding beam out of the light beams entering said optical system, wherein said distance measuring unit comprises an optical member provided on said range finding beam optical path and having a reflection surface for reflecting said range finding beam divided by said dividing means toward said photodetection unit, and a deflector arranged on said reflection surface and used for deflecting said divided range finding beam tilted with respect to the normal optical path toward said photodetection unit.