Patent ID: 6515585
Filing Date: 2003-02-04
Classification: G08B

Abstract:
A reminder system comprising a mobile information terminal, and an antenna station installed at a specified location,said mobile information terminal comprising: a terminal-side memory for storing setting information about the specified location; a terminal-side receiver for receiving a radio signal with a first predetermined frequency; decision means for making a decision as to whether information in the signal received by said terminal-side receiver agrees with the setting information in said terminal-side memory; output means for outputting notification information to a person equipped with the mobile information terminal when the decision of said decision means indicates agreement, the notification information including at least one of sound information and vibration information, the notification information indicating as a reminder that a location of the person equipped with the mobile information terminal corresponds to the specified location; terminal-side input means for inputting prescribed setting information to be set in the terminal-side memory; and a terminal-side transmitter for transmitting a response signal by a radio wave with a second predetermined frequency when the decision of said decision means indicates agreement, the response signal being based on the setting information in the terminal-side memory, and said antenna station comprising: a station-side memory for storing settings information about the specified location; a station-side transmitter for transmitting the setting information in said station-side memory to region surrounding the specified location by a radio wave with the first predetermined frequency; station-side input means for inputting prescribed setting information to be set in the station-side memory; a station-side receiver for receiving the radio wave with the second predetermined frequency; and a station-side display for displaying information based on the response signal received by said station-side receiver.