Patent ID: 6505056
Filing Date: 2003-01-07
Classification: H04M,H04W

Abstract:
A data displaying device for bidirectionally communicating with a far end service station by wired or wireless communication, comprising:a transceiver for emitting a request updating signal to said service station and receiving the updating data from said service station; first memory means for storing data from said service station; second memory means for storing executable software programs; a screen for displaying part of data within said memories, wherein the displaying data is arranged in order; display moving means for changing the boundary of data being displayed by said screen; a processor for processing the operation flow of said transceiver, memories means, screen and display moving means, and performing the software program; through aforementioned structure, when the display moving means is actuated, the processor determines automatically or passively whether a request updating signal is necessary to be sent to said service station, if it determines to send a request signal, said request updating signal including the boundary of updating data, and said boundary of updating data including the data to be displayed on the screen wherein said processor determines whether said request updating signal is necessary to be sent by comparing the range of the data contents to be displayed in said screen after said display moving means is actuated with the range of previous updating data, assuming after said display moving means being actuated N times, the data contents displayed on said screen is probably over the range of the previous updating data, then said request updating signal being sent to said service station, wherein 0&lE;N&lE;(P/K), P representing the number of updating data sets beyond above or below the currently displayed data, and K representing the number of scrolled data sets each time said display moving means being actuated.