Electrical computers and digital processing systems: multicomput – Computer network managing – Computer network monitoring
Reexamination Certificate
1999-01-07
2001-06-19
Lim, Krisna (Department: 2153)
Electrical computers and digital processing systems: multicomput
Computer network managing
Computer network monitoring
C709S219000
Reexamination Certificate
active
06249817
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a communications terminal connected to a server, in which specific data are stored, via a network, and a data-update monitor server connected to a server, in which specific data are stored, via a network for monitoring update of the specific data and transferring information obtained as the result of monitor to a client, as well as to an information distribution system for sending information obtained as the result of monitoring update of data to every object on a list. The present invention also pertains to a method of obtaining information, a method of transferring requirements, and a method of monitoring a data update, as well as to a recording medium.
2. Description of the Prior Art
There has been an abrupt increase in number of users of value-added communications services, such as personal computer communications services. A general procedure for participating in such a communications service gains an access to a server (communications host) from a communications terminal. Data transmission between the communications terminal and the communications host enables the communications terminal to participate in the communications service supplied by the communications host.
Some of the conventional communications terminals used for this purpose have a function of recording a series of text data (logs) previously transmitted through communication, as well as a function of sending and receiving data to and from the communications host.
The conventional communications terminal, however, simply records the logs. The user should accordingly read the recorded logs all over again in order to find a desired piece of data. The record of such logs increases on every communication of the communications terminal with the communications host. It is very difficult for the user to find a desired piece of data among a large number of logs.
A communications terminal proposed to solve this problem has a function of cutting and sorting out the recorded logs after the end of communication. The function of cutting and sorting out the recorded logs given to the communications terminal enables the user to find a desired piece of data relatively readily. In case that data received in a current access are identical with the data transmitted from the communications host in a previous access, however, any proposed communications terminal records the same data twice. Even if the communications terminal has the function of cutting and sorting out the recorded logs, the identical data still exist in the sorted-out logs. This increases wasteful record of data. Overlap of the same data also makes it difficult for the user to find a desired piece of data.
SUMMARY OF THE INVENTION
An object of the present invention is thus to store data transmitted from a server without any overlap in a communications terminal or in another server.
At least part of the above and the other related objects is realized by a communications terminal connected to a server, in which specific data are stored, via a network.
The communications terminal comprises: storage means for storing at least part of the specific data as storage data; access means for accessing the server and receiving at least part of the specific data; and difference data specifying means for specifying a non-coincident portion of the received data, which does not coincide with the storage data stored in the storage means, as difference data.
This structure effectively prevents the newly transmitted data that are identical with the storage data from being obtained, so that no identical date will be repeatedly stored.
According to another aspect of the present invention, a communications terminal is connected to a server, which can supply communication services, via a network. The communications terminal comprises: storage means for storing information; access means for accessing the server and receiving information transferred from the server; writing means for writing the received information into the storage means; input means for inputting an instruction to participate in a particular communication service; particular communication service start requiring means for requiring the server to start the particular communication service, based on the input instruction; particular communication service stop requiring means for, when the access means receives title information with respect to the particular communication service transferred from the server and the writing means writes the title information into the storage means, requiring the server to stop the particular communication service; reading means for reading the title information from the storage means; and display means for displaying the title information read from the storage means.
When the user participates in a particular communication service, such as a pay service, this structure enables the user to stop the pay service immediately after receiving only title data. The user can accordingly receive title data regarding the pay service without much communication fee.
According to still another aspect of the present invention, a communications terminal is connected to a server, which can supply a plurality of communication services, via a network. The communications terminal comprises: storage means for storing requirements with respect to the plurality of communication services, which are possibly given to the server; reading means for reading the requirements from the storage means; sorting-out means for sorting out the requirements read from the storage means according to the plurality of communication services; and transfer means for transferring the sorted out requirements to the server.
The requirements transferred to the server are sorted out according to the communication services. The server can thus process the requirements for the same communication service at one time. This shortens the time of communication with the server and thereby improves the communication efficiency.
According to still another aspect of the present invention, a communications terminal is connected to a server via a network. The communications terminal comprises: storage means for storing information; access means for accessing the server and receiving information transferred from the server; and writing means for sorting out the received information according to a specified criterion and writing the sorted-out information into the storage means, in the course of access.
All the received pieces of information are classified prior to storage. The user can thus readily utilize the storage information. The classification is implemented in the course of access. This enables the user to utilize the input information immediately after the end of the access.
According to still another aspect of the present invention, a communications terminal is connected to a server via a network. The communications terminal comprises: storage means for storing information; access means for accessing the server and receiving information transferred from the server; writing means for writing the received information into the storage means; reading means for reading the written information from the storage means; and transfer requiring means for, when a certain piece of information which the reading means tries to read out does not exist in the storage means, requiring the server to transfer the certain piece of information.
This structure enables the client to obtain a certain piece of information that does not exist in the storage means.
The present invention is also directed to a data-update monitor server connected to a server via a network for monitoring update of specific data stored in the server via the network and transferring information obtained as a result of the update monitor to a client. The data-update monitor server comprises: storage means for storing the specific data; access means for accessing the server based on information that represents an address of the specific data and is given by the client; update checking means for, when th
Hiraoka Yasushi
Kitazawa Noboru
Kobayashi Takahiro
Nakabayashi Kaoru
Sato Akihiro
A.I. Soft Corporation
Beyer Weaver & Thomas LLP
Lim Krisna
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