Abstract: A navigation apparatus includes an input section for inputting another vehicle search condition, a current position acquisition section for acquiring the current position of the own vehicle, a storage section for storing the input search condition and the current position information of the own vehicle, a transmission section for transmitting an information transmission request from own apparatus A to other apparatus B, a reception section for receiving vehicle feature information and current position information of the other vehicle B from the other apparatus B, a control section for determining whether or not a other vehicle exists based on the other vehicle search condition set in the input section, the current position information of the own vehicle acquired in the current position acquisition section, and the vehicle feature information and current position information of the other vehicle received in the reception section, and a display section, when it is determined that the other vehicle exists, for d

Abstract: Present location data positioned by a present location positioner and an image of the scene of the present location taken by a camera are transmitted to the outside via a radio wave receiver/transmitter. On the other hand, a route from the present location to a destination is set by entry of the destination, and the location a certain value of kilometers ahead of the present location is designated by an operation part in the set route. Then, image data including the data on the designated location is received via a radio wave receiver/transmitter, and the received image is displayed on a display part. Thus, the visual scene of the location designated in the route to the destination can be received and displayed beforehand.

Abstract: A mobile receiver of the present invention which comprises memory means for storing therein receive frequency data and broadcasting station name data associated therewith with respect to respecitve areas, receivable/non-receivable decision means for determining broadcasting frequencies receivable at the current position, and means for comparing ones of the receive frequency data corresponding to one of the areas designated at operating means or ones of the receive frequency data corresponding to an automatically determined area with the receive frequency data stored in the memory means and for presenting one of the broadcasting station name data of the receive frequency at which the receiver is now receiving, whereby the user of the mobile receiver can advantageously know easily the name of one of broadcasting stations of the same broadcasting frequency located in different areas, to which the user is listening.