Patent ID: 8743170
Filing Date: 2014-06-03
Classification: G02B,G03G,H04N

Abstract:
1. An optical scanning apparatus comprising an optical beam emission unit that emits an optical beam, a light guiding unit that guides the optical beam, a deflection unit that deflects the optical beam, and a chamber-shaped housing that accommodates the optical beam emission unit, the light guiding unit, and the deflection unit, wherein the housing comprises a base portion for installation of the optical beam emission unit, the light guiding unit, and the deflection unit, and a cover portion that includes a heat emission channel, which has a concave shape when viewing from side and a linear groove shape when viewing from top, and that transmits heat in the housing to a fluid, and the base portion includes two sidewalls and a transverse wall extending between the sidewalls and having two apertures for the transmission of light, and wherein the cover portion has two apertures for the transmission of light passing through the respective apertures of the transverse wall to the exterior of the apparatus.