Patent ID: 6681268
Filing Date: 2004-01-20
Classification: G06F

Abstract:
A dual pointing device used to control an on-screen cursor in a host comprising:a port; a format converter coupled to said port, said format converter configured to transmit a data stream in fixed lengths of three or six bytes; a touch pad comprising a first relative pointing device and an absolute pointing device coupled to said format converter; a stick comprising a second relative pointing device coupled to said format converter; said absolute pointing device comprising a sensor that translates an absolute position on a surface of said touch pad to a specific location on a screen of said host; and said first relative pointing device and said second relative pointing device each comprising a cursor control device in which a movement of a cursor on said screen correlates to a movement of a user's finger on said cursor control device, respectively; wherein said format converter is configured to embed identifying data in said data stream that distinguishes said stick from said touch pad, and said port comprise a single channel through which data received from said format converter is transmitted to said host coupled to said screen.