Patent ID: 9626043
Date: 2017-04-18
CPC Classifications: G06F

Claim:
1. An optical touch system, applied to an electronic apparatus having at least a physical plane, characterized in that it comprises: an optical unit set on the physical plane and configured to produce a first optical effect; an image acquisition unit set on the physical plane, at least a part of the optical unit being within an acquisition range of the image acquisition unit, a touch operation area being formed by the image acquisition unit and the optical unit; the image acquisition unit configured to capture an image having a second optical effect which is formed on the first optical effect after an operation body for operating the electronic apparatus enters the touch operation area; and a processing unit connected with the image acquisition unit and configured to determine the range of the operation body in the touch operation area according to the image having the second optical effect, wherein the image acquisition unit is set at one vertex or two vertexes located on a first edge on the physical plane respectively, the optical unit is set on an edge other than the first edge on the physical plane and, the optical unit comprises: a light source; an optical component configured to propagate the light from the light source along a side of the physical plane while scattering the light from the point light source onto the physical plane wherein the optical component comprises