Patent ID: 8605193
Filing Date: 2013-12-10
Classification: G03B

Abstract:
1. An portable electronic device comprising: a housing defining a through hole; a substantially frustum cone barrel positioned in the housing; a lens fixed at an end of the barrel; and a light detection unit fixed at the other end of the barrel away from the lens, a diameter of the end which the light detection unit fixed at being less than that of the end which the lens fixed at, the lens comprising: wherein the incidence portion forms a reflecting surface angled relative to an optical axis of the imaging portion, such that light from the through hole entering the incidence portion is reflected by the reflecting surface, refracted by the imaging portion and received by the light detection unit, the lens further comprises a connecting portion, the connecting portion is directly connected to the imaging portion and the incidence portion, all of the connecting portion, the imaging portion, and the incidence portion are integrally formed together, the connecting portion is cylindrical, the imaging portion is a convex lens, the optical axis of the imaging portion is substantially parallel to a central axis of the connecting portion, and an optical axis of the incidence portion is substantially perpendicular to the central axis of the connecting portion; there is no gap between the connecting portion and the imaging portion, and there is no gap between the connecting portion and the incidence portion.