A laser irradiating system, comprising a light source for emitting a laser beam in elliptical shape, a light source holder for holding the light source, a base for rotatably supporting the light source holder, a first driving unit for rotating the light source holder, a deflecting optical means for deflecting...http://www.google.com/patents/US6881926?utm_source=gb-gplus-sharePatent US6881926 - Laser irradiating system
