Electrical computers and digital processing systems: multicomput – Remote data accessing – Accessing a remote server
Reexamination Certificate
1998-05-04
2001-02-06
Vu, Viet D. (Department: 2758)
Electrical computers and digital processing systems: multicomput
Remote data accessing
Accessing a remote server
C709S231000, C709S241000
Reexamination Certificate
active
06185610
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a network system in which a page of a server, in particular, a page described in a language being structured and along the specification of the HTML, can be searched and seen from a user terminal by using a Web browser.
2. Background of Related Art
A conventional server, client type network system in which a server machine is connected to a plurality of user terminals through lines is popularly used.
Various techniques used on the Internet can also be used as group ware in view of transmission of information and sharing of information.
For this reason, in accordance with popularization of the Internet, an internal network using the Internet techniques, i.e., a server-client type intranet has been developed to be practically used.
However, in a general network or the above intranet, as far as the network or the intranet is of a server-client type, data can be supplied as only the form of response depending on a request from a user terminal serving as a client, and data cannot be spontaneously supplied.
For example, in an intranet at present, a switching operation for pages (documents) provided from a server is a user terminal with initiative. More specifically, although a user terminal can browse various pages prepared for the server with the initiative, a display on the terminal cannot be controlled by the server with initiative.
For this reason, the following problem is posed. That is, when the intranet is utilized as not only an information presenting means in an office or an organization, but also a server-client type network for presenting a specific service to a user, e.g., an order system for a restaurant, the intranet cannot be used such that server spontaneously transmits a completion message to the user terminal to display it on the display when a dish ordered from the user terminal is completed.
As one means for solving the problem, a means for causing a server to transmit E-mail to a user terminal to display the contents of the E-mail is considered.
However, in this manner, in addition to a document having a hyperlink structure described in a language along the specification of the HTML or a Web browser for searching this document, an E-mail transmission/reception dedicated program and a system subordinate to the program must be set in a server and a user terminal. As a result, the following problem is posed. That is, the entire system has high cost and a complex structure, and the merits of a server-client type network system constituted by using the Internet techniques are considerably degraded.
The present invention has been made in consideration of the above problems, and has as its object to provide a network system, which is constituted by using the Internet techniques, in which data can be spontaneously transmitted from a server machine to a desired user terminal.
SUMMARY OF THE INVENTION
In order to achieve the above object, the invention may be characterized in that,
in a network system having
a server machine for storing data of a plurality of pages which are described in a language along the specification of the HTML to be hyperlinked, and
a plurality of user terminals for displaying a page of the server machine on a display by using a Web browser.
The server machine comprises
a device for spontaneously transmitting the data described in the language along the specification of the HTML to an arbitrary user terminal, and
each of the user terminals comprises
a device for monitoring reception of the spontaneously transmitted data and displaying the received spontaneously transmitted data on the display.
Here, the server machine and the user terminal are preferably formed as in the inventions described below.
The invention
may include a server machine connected to a network system, and
is characterized by comprising
a storage device for storing data of a plurality of pages which are described in a language along the specification of the HTML to be hyperlinked, and
a device for spontaneously transmitting the data described in the language along the specification of the HTML to an arbitrary user terminal.
The invention
may include a user terminal connected to a network system having a server machine for storing data of a plurality of pages which are described in a language along the specification of the HTML to be hyperlinked, and is characterized by comprising
a display,
a device for displaying a page of the server machine on the display by using a Web browser, and
a device for monitoring reception of spontaneously transmitted data which is spontaneously transmitted from the server machine and described in the language along the specification of the HTML to display the received spontaneously transmitted data on the display.
In each user terminal, a Web browser used to access the server machine is set. A user uses the user terminal to access a page of the server machine described in the language along the specification of the HTML, and the corresponding page is displayed on the display of the terminal of the user. Therefore, the user can see the page stored in the server.
In such a server-client type network system, data is presented from a server machine to a user terminal after a request from the user terminal is received by the server machine. However, it is often necessary that data is spontaneously transmitted from the server machine to the user terminal to display the data on the display of the user terminal.
The present invention makes it possible to perform the spontaneous data transmission from the server machine to the user terminal by using the Internet techniques without degrading the advantages of the Internet techniques.
For this reason, a device for spontaneously transmitting desired data to the server machine is arranged. At this time, the spontaneously transmitted data is described in the language along the specification of the HTML such that the contents of the data can be interpreted by using the Web browser to be displayed on the display of a user terminal.
Therefore, each user terminal can monitor reception of the spontaneously transmitted data using the Web browser and display the received spontaneously transmitted data on the display.
As described above, according to the present invention, unlike a general network, data transmission from a server machine to a user terminal is not performed using an E-mail transmission technique, and data transmission can be performed by directly using Internet techniques. For this reason, the cost of the entire system can be reduced, and spontaneous message transmission from the server machine to the user terminal can be smoothly and reliably performed.
The invention
may include that
the server machine and the user terminals comprise
a first port for transmitting/receiving data transmitted from the server machine in response to a request from the user terminal, and
a second port for transmitting/receiving data spontaneously transmitted from the server machine.
Each of the user terminals may monitor reception of the spontaneously transmitted data from the second port and display the received spontaneously transmitted data on the display.
The invention
may also include that
the server machine comprises
a first port for transmitting/receiving data in response to a request from the user terminal, and
a second port for transmitting/receiving spontaneously transmitted data.
The invention
may also include that
the user terminal comprises
a first port for transmitting/receiving data transmitted from the server machine in response to a request from the user terminal, and
a second port for transmitting/receiving data spontaneously transmitted from the server machine.
The user terminal may monitor reception of the spontaneously transmitted data from the second port and display the received spontaneously transmitted data on the display.
As described above, the system according to the present invention is constituted such that transmission/reception of data transmitted/received as data of a general server-client model is performed
Baba Hiroyuki
Kinebuchi Tadashi
Konishi Masanori
Kubota Shinji
Nagatomo Yasuhito
Oliff & Berridge
Seiko Epson Corporation
Vu Viet D.
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