Patent ID: 8773653
Filing Date: 2014-07-08
Classification: G01B,G01C,G11B

Abstract:
1. An attitude correction apparatus including opposing laser emitters comprising: a correction unit having a pair of laser emitters that face each other on each side of a correction object and emit laser beams toward spots on each side of the correction object to correct an attitude of the correction object according to the spots irradiated with the laser beams; each of the laser emitters including a light source that generates a laser beam, an emission part that emits the laser beam toward the correction object, and an adjustment part that adjusts a directivity of an optical axis of the laser beam from a directivity in a standby state toward a spot on the correction object; and the emission part of each of the laser emitters being positioned so that the optical axis of the laser beam in the standby state disagrees with an optical path that passes through the emission part and light source of the other laser emitter.