Abstract: A communication terminal includes a receiver for receiving a communication signal including urgent warning information, a current location information retrieving unit that retrieves location information regarding a current location of a user, a storage unit that stores information regarding a registered point specified by the user or a communication system, a processing unit that calculates a distance between the current location and the registered point, in response to receiving by the receiving unit of the communication signal, and an information providing unit that provides to-be-provided information including, at least, the distance to the user.

Abstract: A communication terminal includes: a first receiving unit configured to receive a communication signal in a first communication system; a second receiving unit configured to receive a communication signal in a second communication system; a position information obtaining unit configured to obtain position information of a user; a mode determination unit configured to activate the second receiving unit if the position information obtaining unit obtains position information of the user in a case where the first receiving unit cannot receive a communication signal; and a user interface unit configured to provide the user with warning information extracted from the communication signal received by the second receiving unit.

Abstract: A mobile communication terminal including an antenna for receiving broadcasting waves of television broadcasting and being capable of detecting its own current location and an azimuth direction is provided, the mobile communication terminal including a broadcasting station location retaining unit configured to retain location information of a broadcasting station that transmits the broadcasting waves, a best azimuth direction calculating unit configured to, using the detected azimuth direction, calculate a best azimuth direction in which the mobile communication terminal can receive the broadcasting waves the best, an azimuth direction displaying unit configured to display a location of the broadcasting station and the best azimuth direction in the detected current location, and an azimuth direction display updating unit configured to update as needed the display by the azimuth direction displaying unit in accordance with a change of the azimuth direction of the mobile communication terminal.

Abstract: A mobile communication terminal including an antenna for receiving broadcasting waves of television broadcasting and being capable of detecting its own current location and an azimuth direction is provided, the mobile communication terminal including a broadcasting station location retaining unit configured to retain location information of a broadcasting station that transmits the broadcasting waves, a best azimuth direction calculating unit configured to, using the detected azimuth direction, calculate a best azimuth direction in which the mobile communication terminal can receive the broadcasting waves the best, an azimuth direction displaying unit configured to display a location of the broadcasting station and the best azimuth direction in the detected current location, and an azimuth direction display updating unit configured to update as needed the display by the azimuth direction displaying unit in accordance with a change of the azimuth direction of the mobile communication terminal.

Abstract: A communication terminal includes a first receiving unit configured to receive communication signals in a first communication system, a second receiving unit configured to receive communication signals in a second communication system, a monitoring mode selection unit configured to select a monitoring mode from a plurality of the monitoring modes with different cycles for activating the second receiving unit, an activation control unit configured to activate the second receiving unit according to the monitoring mode selected by the monitoring mode selection unit in the case where the first receiving unit receives communication signals including first warning information, and an interface unit configured to provide second warning information extracted from communication signals received by the second receiving unit.

Abstract: A mobile communication terminal for receiving broadcasting waves of television broadcasting, the mobile communication terminal including a graph displaying unit configured to display a graph that has at least an axis of an azimuth direction in which the mobile communication terminal is facing and an axis of a reception level of the broadcasting waves at the azimuth direction and that shows the reception level currently being detected and the reception level detected in the past such that the reception level currently being detected is plotted in the central part of a screen of the mobile communication terminal, and a graph updating unit configured to update the graph according to a change of the azimuth direction in which the mobile communication terminal is facing or according to a change of the reception level.

Abstract: A communication terminal includes: a first receiving unit configured to receive a communication signal in a first communication system; a second receiving unit configured to receive a communication signal in a second communication system; a position information obtaining unit configured to obtain position information of a user; a mode determination unit configured to activate the second receiving unit if the position information obtaining unit obtains position information of the user in a case where the first receiving unit cannot receive a communication signal; and a user interface unit configured to provide the user with warning information extracted from the communication signal received by the second receiving unit.

Abstract: A communication terminal includes a receiver for receiving a communication signal including urgent warning information, a current location information retrieving unit that retrieves location information regarding a current location of a user, a storage unit that stores information regarding a registered point specified by the user or a communication system, a processing unit that calculates a distance between the current location and the registered point, in response to receiving by the receiving unit of the communication signal, and an information providing unit that provides to-be-provided information including, at least, the distance to the user.

Abstract: A communication terminal includes a receiver that receives a one-segment signal from a broadcasting station among plural broadcasting stations that provide terrestrial digital broadcasting, an output unit that outputs the one-segment signal received by the receiver to a user; a channel search unit that searches for a specific broadcasting station that transmits the one-segment signal including an auxiliary information signal which is likely to include warning information, among the one-segment signals which are transmitted from the corresponding broadcasting stations, and a determination unit that determines, subsequent to termination of viewing with respect to the broadcasting station which is selected by the user, whether the auxiliary information signal included in the one-segment signal received from the specific broadcasting station by the receiver includes the warning information.