Patent ID: 6882326
Filing Date: 2005-04-19
Classification: G06F,H04M

Abstract:
1. A portable information terminal comprising: a primary terminal including a display, a manipulation element, a memory section for storing application programs, a communication element, and a control section for controlling the display, the manipulation element, the memory section and the communication element, and performing a control operation under an activated application program of the application programs stored in the memory section to operate a required function and allow the display to display an image in accordance with manipulation of the manipulation element; and a secondary terminal separably combined with said primary terminal, and including a display, a manipulation element, a memory section for storing application programs, a communication element, and a control section for controlling the display, the manipulation element, the memory section and the communication element, and performing a control operation under an activated application program of the application programs stored in the memory section to operate a required function and allows said display to display an image in accordance with manipulation of the manipulation element, wherein through communication between said communication elements of said primary terminal and said secondary terminal, said control sections of the primary and secondary terminals are connected to each other for a systematic link between said respective manipulation elements in terms of manipulation, to perform a linked operation for a required function and allow said respective displays to display mutually associated images in accordance with the manipulation of the respective manipulation elements under an application program of the application programs stored in one or both of the memory sections of the primary and secondary terminals.