Patent ID: 7352944
Filing Date: 2008-04-01
Classification: G01C

Abstract:
1. A laser alignment device, comprising: a casing; a laser emitting unit, the unit being mounted in the casing and may emit a planar laser beam; a first mounting plane and a second mounting plane connected fixedly to the laser emitting unit; a first electronic obliquity sensing unit fixed on the first mounting plane and a second electronic obliquity sensing unit fixed on the second mounting plane; an automatic adjusting means; a first surface and a second surface, the first surface and the second surface capable of contacting a settling surface of the laser alignment device, the first surface being moveably connected with the laser emitting unit by the automatic adjusting means, and a control circuit connected electrically with the first and second obliquity sensing units and the automatic adjusting means, wherein the first and second obliquity sensing units comprise a double shaft obliquity sensing unit.