INFORMATION DISTRIBUTION SYSTEM, INFORMATION DISTRIBUTION SERVER, INFORMATION DISTRIBUTION METHOD, AND PROGRAM
First Claim
1. An information distribution system that distributes information to terminals, comprising:
- an information distribution destination determination unit that uses location information that indicates the positions of said terminals to determine terminals that are to be the distribution destinations of said information;
a first storage unit that stores communication environment information that indicates communication networks that said terminals can use;
a second storage unit that stores communication network status information that indicates the states of communication networks for each area; and
a selection unit that uses said communication environment information and said communication network status information that are stored in said first and second storage unit, respectively, to select communication networks when distributing said information to said distribution destination terminals.
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Abstract
An information distribution system for distributing information to terminals includes: information distribution destination determination means that uses location information that indicates the positions of terminals to determine terminals that are to be distribution destinations of information; first storage means that stores communication environment information that indicates communication networks that can be used by the terminals; second storage means for storing communication network status information that indicates the states of communication networks in each area; and selection means that uses the communication environment information and the communication network status information that are stored in the first and second storage means, respectively, to select communication networks when distributing information to distribution destination terminals.
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Citations
10 Claims
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1. An information distribution system that distributes information to terminals, comprising:
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an information distribution destination determination unit that uses location information that indicates the positions of said terminals to determine terminals that are to be the distribution destinations of said information; a first storage unit that stores communication environment information that indicates communication networks that said terminals can use; a second storage unit that stores communication network status information that indicates the states of communication networks for each area; and a selection unit that uses said communication environment information and said communication network status information that are stored in said first and second storage unit, respectively, to select communication networks when distributing said information to said distribution destination terminals. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An information distribution server that distributes information to terminals, comprising:
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an information distribution destination determination unit that uses location information that indicates the positions of said terminals to determine terminals that are to be distribution destinations of said information; a first storage unit that stores communication environment information that indicates communication networks that said terminals can use; a second storage unit that stores communication network status information that indicates the states of communication networks for each area; and a selection unit that uses said communication environment information and said communication network status information that are stored in said first and second storage unit, respectively, to select communication networks when distributing said information to said distribution destination terminals.
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9. An information distribution method that is realized by an information distribution server that distributes information to terminals, comprising:
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storing in a first storage unit communication environment information that indicates communication networks that said terminals can use; storing in a second storage unit communication network status information that indicates the states of communication networks for each area; using location information that indicates positions of said terminals to determine terminals that are to be distribution destinations of said information; and using said communication environment information and said communication network status information that are stored in said first and second storage unit, respectively, to select communication networks when distributing said information to said distribution destination terminals.
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10. A non transitory computer readable record medium on which a program for causing an information distribution server that distributes information to terminals to execute procedures of:
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storing in a first storage unit communication environment information that indicates communication networks that said terminals can use; storing in a second storage unit communication network status information that indicates the states of communication networks for each area; using location information that indicates the positions of said terminals to determine terminals that are to be the distribution destinations of said information; and using said communication environment information and said communication network status information that are stored in said first and second storage unit, respectively, to select communication networks when distributing said information to said distribution destination terminals.
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Specification