Patent ID: 6292181
Filing Date: 2001-09-18
Classification: G06F,G09G,H04L,H04W,Y02D

Abstract:
A mobile user interface device for controlling a host computer, comprising:a graphical display subsystem, including a graphical display, for displaying an image;an input subsystem, including a stylus, for receiving from a user positional data representing spatial positions of said stylus; anda wireless communication subsystem for sending data to and receiving data from said host computer over a wireless communication link; andmeans for controlling operations of said graphical display subsystem, said input subsystem and said wireless communication subsystem, said means for controlling (i) causing said wireless communication link to be created; (ii) causing an application program to be run on said host computer; (iii) receiving from said input subsystem said positional data, providing a response to said user in acknowledgment of said positional data, and transmitting over said wireless communication link said positional data to said application program; and (iv) receiving over said wireless communication link from said application program data representing said image, and causing said graphical display subsystem to display said image on said graphical display: wherein said means for controlling comprises;a central processing unit;a processor bus coupled to data and address terminals of said central processing unit;a memory subsystem accessible by said central processing unit over said processor bus;a peripheral bus coupled to said input device subsystem, said graphical display subsystem and said wireless communication subsystem;a system controller unit, coupled to said processor and peripheral busses and under the control of said central processing unit, for controlling over said peripheral bus the operations of said input device subsystem, said graphical subsystem, and said wireless communication subsystem.