Patent ID: 8184066
Filing Date: 2012-05-22
Classification: G06F

Abstract:
1. A computer system comprising: a host computer comprising a display unit comprising a display area; at least one external device for interfacing with the host computer, the at least one external device each comprising a display unit comprising a display area; a wireless communications module to interface with the external device; a pointing processing unit to move a pointer indicated on the display unit in accordance with a first radio signal input via the wireless communications module; and a controller arranged to control the wireless communications module to output a second radio signal, which corresponds to the first radio signal, to the external device, if the pointer remains in a changeover area of the display area on the display unit for a predetermined time, the second radio signal controlling a second pointer on the display area of the display unit of the external device, wherein the at least one external device each provides at least one changeover area corresponding to the host computer or another external device, wherein the first radio signal controls the pointer or the second pointer but not both at a same time, wherein the at least one external device each provides preset external device information to the host computer corresponding to the changeover area corresponding to the respective external device, the external device information comprising a type of the device and an address of the device, and wherein the at least one external device each provides to the host computer information of a type and address of the host computer or the another external device corresponding to the at least one changeover area.