Patent ID: 8581847

Claim:
A hybrid pointing device for being operated by a user on a surface, the hybrid pointing device comprising: a storage unit configured to store information of predetermined gestures; a first module configured to sense a movement of the hybrid pointing device relative to the surface; a second module comprising: a light source configured to emit light; and an image sensor disposed on a plane and configured to capture an image containing at least one finger image of at least one finger of the user operated upon an operation field which is located only at a top front portion of the hybrid pointing device; a wall extending from one end of the operation field toward the plane and configured to block a part of field of view of the image sensor in such a manner that the field of view covers the top front portion of the hybrid pointing device without covering a top rear portion of the hybrid pointing device; and a processor configured to compare a position variation of the finger image with the information of predetermined gestures to identify a current gesture.