Patent ID: 8294673
Filing Date: 2012-10-23
Classification: G06F

Abstract:
1. An input device that adjusts its operation mode according to its operation direction, comprising: a movement sensing module, for sensing a plurality of reflection images relative to a light source that is reflected by a reflection surface and sensing a movement displacement amount and a movement direction of the input device according to pattern variations between the plurality of reflection images, wherein a two-dimensional coordinate is generated based upon the movement displacement amount and the movement direction; an operation direction control unit for providing an operation direction of the movement sensing module; a micro-control unit for determining whether or not to convert the movement direction according to the operation direction provided by the operation direction control unit, wherein when the movement direction is determined to be converted the micro-control unit converts the two-dimensional coordinate into an inverted two-dimensional coordinate by converting one of coordinate values of the two-dimensional coordinate into an additive inverse value; and a transmission module for transmitting the two-dimensional coordinate or the inverted two-dimensional coordinate of the input device to a host terminal so as to control a cursor displayed on the host terminal based on the two-dimensional coordinate or the inverted two-dimensional coordinate.