Information terminal, processing method by information terminal, information providing apparatus and information network system
First Claim
1. An information terminal interconnected through a radio-communication network, comprising:
- position fixing information acquisition means for acquiring position fixing information that fixes the present position of a user'"'"'s own information terminal;
transmitting means for transmitting through the radio-communication network on demand the position fixing information of the user'"'"'s own information terminal acquired through the position fixing information acquisition means and for transmitting through the radio-communication network a request command for requesting position-related information about each information terminal belonging to a group identified by a predetermined password number;
receiving means for receiving, through the radio-communication network, the requested position-related information about each information terminal belonging to the group; and
display means for displaying the requested position-related information of each information terminal belonging to the group received by the receiving means.
1 Assignment
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Accused Products
Abstract
An information terminal, interconnected through a radio-communication network, including a position acquisition unit for acquiring position fixing information that fixes the present position of own information terminal, a transmitting unit for transmitting through the radio-communication network on demand the position fixing information of own terminal acquired through the position acquisition unit and for transmitting through the radio-communication network a request command for requesting position-related information about each information terminal belonging to a group identified by a predetermined password number, a receiving unit for receiving from a user management table of an information providing apparatus through the radio-communication network the position-related information about each information terminal belonging to the group, and a display unit for displaying the information-related information of each information terminal received by the receiving unit. With a simple operation, the user of the information terminal constituting the predetermined group identified by the predetermined password number can visually grips the positions of other users through the radio-communication network at a glance.
282 Citations
11 Claims
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1. An information terminal interconnected through a radio-communication network, comprising:
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position fixing information acquisition means for acquiring position fixing information that fixes the present position of a user'"'"'s own information terminal;
transmitting means for transmitting through the radio-communication network on demand the position fixing information of the user'"'"'s own information terminal acquired through the position fixing information acquisition means and for transmitting through the radio-communication network a request command for requesting position-related information about each information terminal belonging to a group identified by a predetermined password number;
receiving means for receiving, through the radio-communication network, the requested position-related information about each information terminal belonging to the group; and
display means for displaying the requested position-related information of each information terminal belonging to the group received by the receiving means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A processing method by an information terminal connected through a radio-communication network, the method comprising:
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a position fixing information acquisition step for acquiring position fixing information that fixes the present position of a user'"'"'s own information terminal;
a transmitting step for transmitting through the radio-communication network on demand the position fixing information of the user'"'"'s own information terminal acquired through the position fixing information acquisition step and for transmitting through the radio-communication network a request command for requesting position-related information about each information terminal belonging to a group identified by a predetermined password;
a receiving step for receiving through the radio-communication network the requested position-related information about each information terminal belonging to the group; and
a display for displaying the requested position-related information of each information terminal belong to the group received through the receiving step.
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10. An information providing apparatus connected to a plurality of information terminals through a radio-communication network, the apparatus comprising:
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map information storage means for storing map information of a local area assigned thereto;
receiving means for receiving positional information of each information terminal fed through the radio-communication network by the plurality of information terminals;
positional information storage means for sequentially storing positional information received by the receiving means on a group by group basis, wherein each group is identified by a predetermined password number; and
transmitting means for transmitting, in response to a transmit request of positional information fed together with the password number by the information terminal, the positional information of each information terminal belonging to the group identified by the password number, together with associated map information read from the map information storage means, to each information terminal belonging to the group identified by the password number.
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11. An information network comprising a plurality of information terminals mutually interconnected through a radio-communication network and an information providing apparatus,
wherein each of the plurality of information terminals comprises: -
position fixing information acquisition means for acquiring position fixing information that fixes the present position of a user'"'"'s own information terminal;
transmitting means for transmitting through the radio-communication network on demand the position fixing information of the user'"'"'s own terminal acquired through the position fixing information acquisition means and for transmitting through the radio-communication network a request command for requesting position-related information about each information terminal belonging to a group identified by a predetermined password number;
receiving means for receiving through the radio-communication network the position-related information about each information terminal belonging to the group; and
display means for displaying the position-related information of each information terminal by the receiving means; and
wherein the information providing apparatus comprises;
map information storage means for storing map information of a local area assigned thereto;
receiving means for receiving positional information of each information terminal fed through the radio-communication network from the plurality of information terminals;
positional information storage means for sequentially storing positional information received by the receiving means on a group by group basis, wherein each group is identified by a predetermined password number; and
transmitting means for transmitting, in response to a transmit request of positional information fed together with the password number by the information terminal, the positional information of each information terminal belonging to the group identified by the password number, together with associated map information read from the map information storage means to each information terminal belonging to the group identified by the password number.
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Specification