Communication system, communication server and communication method
First Claim
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1. A communication system comprising:
- a plurality of user terminals connected to a communication network, and a communication server connected to said communication network, wherein;
said communication server, when a chat start event has occurred, causes a chat to be started at a prescribed timing among those user terminals, out of said plurality of user terminals, related in advance to said chat start event.
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Abstract
A communication system comprising a plurality of user terminals connected to a communication network and a communication server connected to the communication network, wherein that communication server, when a chat start event has occurred, starts a chat simultaneously among user terminals related in advance to the chat start event out of the plurality of user terminals.
187 Citations
40 Claims
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1. A communication system comprising:
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a plurality of user terminals connected to a communication network, and a communication server connected to said communication network, wherein;
said communication server, when a chat start event has occurred, causes a chat to be started at a prescribed timing among those user terminals, out of said plurality of user terminals, related in advance to said chat start event. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A communication server connected to a plurality of user terminals via a communication network, comprising:
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a presence information database in which are registered an identifier by which each of said plurality of user terminals identifies itself and related information, a group organizing unit which, when a chat start event has occurred, references said presence information database and selects, out of the identifiers of said plurality of user terminals, identifier of which said related information relates to said chat start event, and a buddy list generating/updating unit which transmits chart start information to user terminals matched to identifiers relating to said start event out of said plurality of user terminals, wherein;
said chart start information is an item of information to cause a chat to start at a prescribed timing among said plurality of user terminals. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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35. A communication method using a communication server connected to a plurality of user terminals via a communication network, comprising the steps of:
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(a) starting a chat at a prescribed timing, when a chat start event has occurred, among a plurality of user terminals, out of said user terminals, related in advance to said chat start event, and (b) ending said chat at a prescribed timing, when a chat end event has occurred, among said plurality of user terminals. - View Dependent Claims (36, 37)
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38. A computer program for causing communication among user terminals to be executed by using a communication server connected to a plurality of user terminals via a communication network, comprising the steps of:
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(a) starting a chat at a prescribed timing, when a chat start event has occurred, among a plurality of user terminals, out of said user terminals, related in advance to said chat start event, and (b) ending said chat at a prescribed timing, when a chat end event has occurred, among said plurality of user terminals. - View Dependent Claims (39, 40)
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Specification