The present invention relates to a position detection device having a function of an electronic shutter. The position detection device is devised to perform the following: a light sending means sends out emitted light, which comes from a light emitting mea...

The time of flight of two different carrier wavelengths along a measurement path is measured, with one wavelength in the wavelength range in which there is no molecular or atomic absorption and the other in a range with molecular or atomic absorption and e...

A novel system for facilitating the work for setting the horizontal direction of a guide laser beam is disclosed. The guide laser beam (P) can be radiated in vertical and lateral directions from the horizontal direction as a reference by a guide laser beam...

The present invention is directed to a position determining system (100) of reduced errors in measurements and determination of surfaces even if a rotary light source emitting laser beam rotates unevenly. The position determining system is comprised of a r...

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...

Device comprises a laser beam generator (E2), a device for gradient measurement (E3) that rotates either with or relative to the laser generator, a device (M1) for turning the gradient measurement device, a device (M2) for turning the laser generator and g...

In order to improve target illumination, a light source (2) of an emitter, which has a laser diode (3) configured as an edge emitter with a wavelength of 1'550 nm, has beam forming optics (4) mounted downstream in relation thereto, which comprise a cylindr...

A laser alignment system is provided. The system includes a plurality of lasers which are sequentially operative for producing first and second laser beams that are parallel to one another. The system further includes a target assembly. The target assembly...

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...