A portable type distance measuring apparatus which comprises an apparatus main body 11 having a distance measuring unit for measuring a distance by projecting a distance measuring light 30, a control unit for controlling the distance measuring unit and for...

A position determining system is disclosed, which has a simplified configuration capable of producing a plurality of phantom planes simultaneously. The improved system according to the present invention consists of a light receiving and sensing device that...

A laser survey instrument, comprising a laser projector for projecting a laser beam onto a plane by rotary irradiation, a tilting unit for tilting the laser projector in two directions running perpendicularly each other and a tilt setting unit for setting ...

The present invention discloses a stereo image measuring device capable of carrying out high-speed and highly reliable three-dimensional measurement for a stereo image, easily correcting any omitted measurement, measurement errors or the like, and achievin...

A target, comprising a pole for indicating a measuring point, an object to be measured as provided on said pole with a predetermined distance from said measuring point, a tilting sensor for detecting tilting of said pole, and transmitting means for transmi...

The present invention provides a distance measuring device for measuring a distance, comprising a light emitting unit for emitting a measuring light beam toward an object to be measured, and a photodetection unit for receiving a reflected measuring light b...

The present invention relates to a light wave rangefinder for measuring a distance to an object of measurement by means of light reflected from the object of measurement without using a prism, and particularly to provision of a light wave rangefinder that ...