Patent ID: 8730169

Claim:
A hybrid pointing device configured to be operated by a user on a working surface, the hybrid pointing device comprising: an operation field located only at a front portion of a top surface of the hybrid pointing device and configured to accommodate a plurality of fingers of the user moving thereon for activating a clicking operation, a scrolling operation and a multi-touch operation; a first module configured to sense a movement of the hybrid pointing device relative to the working surface; a second module including at least one light source configured to emit light, and at least one image sensor disposed on a plane and configured to optically cover at least the operation field and to capture an image containing at least one light spot caused by the plurality of fingers in the operation field, the plurality of fingers reflecting the light emitted by the at least one light source; a wall extending between a rear end of the operation field and the plane, the wall configured to block a part of a field of view of the at least one image sensor in such a manner that the field of view optically covers the front portion of the top surface of the hybrid pointing device without optically covering a rear portion of the top surface of the hybrid pointing device; and a processor configured to identify gestures of the plurality of fingers associated with the clicking operation, the scrolling operation and the multi-touch operation according to position information of the at least one light spot on the image.