Patent ID: 7200411
Filing Date: 2007-04-03
Classification: H04M

Abstract:
1. A communication system comprising: a portable information terminal, including: information providing means operable to be set to a providing method in advance selected from among a plurality of providing methods including an acoustic method having said information provided by way of an acoustic message, a visual method having said information provided by way of a visual message, and a tactual method having said information provided by way of vibration, to provide information in accordance with said providing method set thereto; storage means for storing therein a data table of a predetermined area associating each of said providing methods with a moving speed at a plurality of locations respectively located within said area; location detecting means for detecting a location; moving speed calculating means for calculating a moving speed at said location detected by said location detecting means; obtaining means for judging whether or not said location detected by said location detecting means is located within said area and contained in said data table of said area, and obtaining said providing method associated with said location detected by said location detecting means and said moving speed calculated by said moving speed calculating means with reference to said data table of said area stored in said storage means; providing method changing means for changing said providing method previously set to said information providing means to have said information provided in accordance with said providing method obtained by said obtaining means, and first communication means for transmitting location information indicative of said location detected by said location detecting means through a network when it is judged by said obtaining means that said location detected by said location detecting means is not contained in said data table of said area, and a server including: managing means for managing a plurality of data tables of a plurality of areas; selecting means for selecting an data table of an area from among said plurality of data tables of said plurality of areas managed by said managing means in response to said location information transmitted by said first communication means; and second communication means for transmitting said data table of said selected area in response to said location information to said portable information terminal, and said first communication means being operative to receive said data table of said selected area from said server through said network, and storage means being operative to modify said data table of said predetermined area stored therein in response to said data table of said selected are thus received.