About 51 results
https://drivepatents.com/patents/1090775 · 2 Jan 2004
The system has a beam generator in a housing fixed to a positioning unit. A rotation drive module is arranged along a direction coaxial with a central line of the beam. The module includes a brushless motor with a hollow shaft (51) and a stator (53) fixed ...
https://drivepatents.com/patents/1091104 · 17 Dec 2003
A light detector which includes a housing having front and rear walls, a light receiving section disposed on the front wall, and displays disposed on the front and rear walls for showing the location of received light relative on the light receiving sectio...
https://drivepatents.com/patents/1092266 · 29 Oct 2003
A light detector which includes a housing having front and rear walls, a light receiving section disposed on the front wall, and displays disposed on the front and rear walls for showing the location of received light relative on the light receiving sectio...
https://drivepatents.com/patents/1097099 · 2 Apr 2003
Construction laser for generation of an optical leveling or sounding beam has a stand (7) that can be pivoted continuously through an angle greater than 20 degrees or within a self- leveling zone can be pivoted in a discrete manner.
https://drivepatents.com/patents/1101350 · 2 Oct 2002
The present invention provides a laser sighting device, which comprises a tilt detecting device (33) having a liquid member (41) for forming a free liquid surface and a fixed reflection member (51) fixedly mounted, the tilt detecting device (33) being used...
https://drivepatents.com/patents/1102188 · 28 Aug 2002
A light detector which includes a housing having front and rear walls, a light receiving section disposed on the front wall, and displays disposed on the front and rear walls for showing the location of received light relative on the light receiving sectio...
https://drivepatents.com/patents/1104683 · 8 May 2002
The laser light beam alignment method uses a laser receiver (5), positioned at a remote point from the rotation laser housing (1), for providing a signal representing the position of the laser beam relative to a calibration marking, fed back to the rotatio...
https://drivepatents.com/patents/1107071 · 23 Jan 2002
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...
https://drivepatents.com/patents/1108315 · 28 Nov 2001
A datum plane setting device provided in that, a motor 6, rotary bodies 3 (3x, 3y, and 3z) which rotate in accordance with rotary driving of said motor, rotary heads 8 formed on the tip end portions of said rotary bodies 3, laser emitting portions 9 which ...
https://drivepatents.com/patents/1109558 · 4 Oct 2001
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 ...