JP2003162468A - Web system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a user-friendly Web system which can be useful by improving the response from an inquiry to screen display even in a narrowband network by dramatically shortening the transmitting time for image data since there was the problem of slow response in the narrowband network in the conventional Web system. <P>SOLUTION: In the Web system, the inquiry is compressed with a data compressing/decompressing means 20b and transmitted to the network by a terminal device 2'. Then, either the compressed inquiry is received by a Web server 1' and decompressed by a data compressing/decompressing means 10b and the stored screen data is coordinated, or else, the screen data coordinated to the inquiry is compressed by the data compressing/decompressing means 10b and transmitted, the compressed screen data is received by the terminal device 2' and displayed after decompressing with the data compressing/ decompressing means 20b, or both of them are realized. <P>COPYRIGHT: (C)2003,JPO

Description

Description: BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention
Web to browse home pages and send and receive emails
(Web) Systems, especially in networks
Web that can greatly reduce data transmission volume and transmission time
About the system. 2. Description of the Related Art In recent years, companies have received orders and orders,
Efficiently perform routine daily tasks in accounting and accounting
Data from mission-critical (business) databases to customer data
Collects and accumulates large amounts of historical data such as
Decision making tasks such as product planning and marketing
Build a data warehouse for use with
Search and aggregate warehouses from various angles,
An online analysis and visualization system
Analysis (On-Line Analytical Processing: OLAP)
Is used. [0003] In particular, securities companies, financial institutions (banks), etc.
Is promoting information sharing and utilization within its headquarters to expand its business scale.
Not only sales activities but also sales activities
We are promoting efficiency and quality improvement. Specifically, sales
The store (salesperson) enters necessary information from the database.
It can be hand-edited, edited and adapted to customer needs
In order to carry out accurate activities, information is shared quickly and business partners are
It is hoped that the latest information can be provided to One technique for responding to the needs is
Terminal devices such as PCs installed in sales offices,
A mobile PC or mobile phone that is carried by the person in charge and operated at the customer site
From a terminal device such as a terminal,
Via a wide area network such as
What information browsing and information search using the search engine provided
There is a Web system for searching. [0005] In general, Web systems, especially browsing systems
When used as a system, screen information (for
Page, etc.) and store the screen information to be viewed
Receives the inquiry information specifying the destination and responds to the inquiry information.
W to return the screen information stored in the specified location
Web server 1 and screen information to be browsed
Enter instructions to view information sent as browsing results
Responsible for transmitting inquiry information and screen information to the terminal device 2
Network 3 such as Internet / Intranet
Consists of [0006] A conventional Web server constituting a Web system
The configuration of the server 1 and the terminal device 2 will be described with reference to FIG.
I do. FIG. 4 shows a conventional Web server 1 and terminal device 2.
FIG. 3 is a block diagram showing a configuration. Conventional Web server 1
Is a communication unit 11 for communicating with the network 3,
Storage section for storing screen information to be performed as screen data 12a
12 and the inquiry information specifying the screen information to be viewed is received.
Take the specified location corresponding to the inquiry information in the storage unit 12
To read and return the screen data stored in the
And a control unit 10 having a browsing reception unit 10a for performing
Has been established. Here, screen data of a normal Web system
Is a program for displaying title characters and tables on the screen.
Hypertext HTML (Hy
perText Makeup Language)
It is described using words. HTML is for characters
Control tags that have special effects
Storage area for displayed characters and image data (image data)
Is composed of data indicating the location, etc.
This screen data is an address that indicates the storage location.
(URL: Uniform Resource Locator)
And remembered. Normally, there is no character data in the screen
Image data and CGI (Common Gatew
ay Interface)
May also be included, and furthermore on the screen
Links are posted from various places so that you can move to the next screen
Often it is. And the screen display contents are complicated
As programming becomes more complicated,
Inevitably, the amount of programming data on the screen is large.
It becomes quantity. On the other hand, the conventional terminal device 2 is
Communication unit 21 that communicates with PC 3 and browsing software
Storage unit 22 for storing screen information and designation of screen information to be viewed
Input section 23 for inputting the information, and display section 2 for displaying the browsing result
4 and execute browsing software (browser) 20a
To browse the screen by specifying the URL
And a control unit 20. The operation of the conventional Web system is
Location in the storage unit 12 of the Web server 1 by URL
Stores screen data 12a of the Web screen where
Have been. Then, in the terminal device 2, the control unit 20
Software (browser) 20a is started within
The UR of the screen data 12a on the Web server 1
When L is specified from the input unit 23, the specified URL is
Includes query commands on the Internet intranet
Transmitted via the network 3 such as
Server 1 is reached. In the Web server 1, the browsing accepting means 10a
The operation of the storage unit 12
And refer to the specified screen (Home) from the specified URL.
Page) and the image data included in the screen
Which screen data 12a is read and the network 3
To the browsing software 20a of the inquired terminal device 2 via
Will be replied. In the terminal device 2, the transmitted screen data is
The content of the "control tag" received by the viewing software 20a is
It is interpreted so that a predetermined screen is displayed on the display unit 24.
It has become. Normally, image data and the like included in the screen are
Data and the amount of data is enormous
In a format encoded and compressed using image compression technology,
b Stored on the server 1 and
Transferred via the network 3 and viewed on the terminal device 2.
Using the decompression software plugged into
After being frozen, an image is displayed on the display unit 24
I have. [0012] It should be noted that a conventional method for compressing and transmitting images and videos is known.
The technology is disclosed in Japanese Patent Laid-Open Publication No.
No. 0-78558 “Video information distribution system, video information distribution
Communication Method and Recording Medium ”(Applicant: Canon Inc.,
Akiya: Toshiyuki Fukui et al.) This conventional technique has a characteristic
Video information distribution system across two different networks
System, send it to the delivery server in image format 1
Once the video is expanded, the video is
A device or means for compressing with a mat 2
Image according to the characteristics of the network 1 from the server to the distribution server
Format 1 and information with viewer from delivery server
Image processing according to the characteristics of the network 2 up to the processing terminal
-Highly efficient video distribution by using Mat2
It is something that can be done. [0013] However, the conventional
In the Web system, image data and the like are compressed.
Is to convert screen data in HTML language that describes the screen.
The data format is text data type,
Data size is large,
Compared to client / server binary data transmission
Transmission time, especially in low-speed narrowband networks.
Data transmission under the network requires about 10 times longer transmission time
It is said that there are cases that can not be used
There was a problem. The present invention has been made in view of the above circumstances.
Dramatically shortens the screen data transmission time,
Even from under the network, from inquiry to screen display
Easy-to-use Web with improved sponge and durability
The purpose is to provide a system. Means for Solving the Problems The problems of the above conventional example are solved.
The present invention for determining
Stores the screen data file group described in the
Return screen data to the reference
At least one web server and hypertext bra
It has a user function and sends inquiry information to a web server.
Screen corresponding to the inquiry information from the web server
At least one terminal device for receiving and displaying data
And a network connecting the web server and the terminal device
And a web server comprising:
Decompression means for decompressing the compressed inquiry information from the terminal device
Column or pressure to compress screen data corresponding to inquiry information
Web server with compression means or both
Compression means for compressing the inquiry information, or
Solution to decompress compressed screen data from web server
Terminal devices having freezing means or both
Therefore, the inquiry information from the terminal device to the Web server, or
Corresponds to the inquiry information from the Web server to the terminal device
Compress screen data, or both, on the network
By transmitting, the inquiry information, the screen data, or the
Both transmission times can be dramatically reduced. Embodiments of the present invention will be described with reference to the drawings.
This will be described with reference to FIG. Note that the functions described below are implemented.
What means is a means that can realize the function
May be simple circuits or devices,
All can be realized by software. Change
Alternatively, the function realizing means may be realized by a plurality of circuits.
In other words, multiple function realizing means may be realized by a single circuit.
No. [0017] The Web system according to the present invention is a terminal device.
Compresses the inquiry information with the compression means and sends it to the network.
The web server receives the compressed query information
Decompress by decompression means and associate stored screen data
Or the Web server sends an image corresponding to the inquiry information.
The surface data is compressed by the compression means and transmitted, and the terminal device compresses the data.
Screen data received and decompressed by decompression means and displayed
Or both, so that the query information,
Or the transmission time of screen data or both is dramatically reduced
It can be reduced. Each means in the embodiment of the present invention and
If the correspondence with each part of a figure is shown, a compression means and a decompression means
In FIG. 1, data compression / decompression means 10b and data
It corresponds to the compression / decompression means 20b, and in FIG.
The compression / decompression means 15 and the data compression / decompression means 25
Hit. First, in a Web server and a terminal device,
Data compression / decompression means such as plug-in
Description of First Embodiment Realized by Software Type
I do. First, the Web according to the first embodiment of the present invention
Configuration of Web server 1 and terminal device 2 that constitute the system
The configuration will be described with reference to FIG. FIG. 1 shows the first embodiment of the present invention.
Configuration of Web Server 1 and Terminal Device 2 According to First Embodiment
It is a block diagram showing composition. Note that a configuration similar to that of FIG.
The same reference numerals will be used to refer to the same parts. The present invention
Web system according to the first embodiment (first W
web server (called the first web system)
As shown in FIG. 1, 1 '
Has the same configuration as that of
The communication unit 11 and screen information to be viewed are screen data 12a.
And a control unit 10 '.
ing. However, the control unit 10 'of the first Web server 1'
Inquiry that specifies the screen information to be browsed as before
Receiving the contact information and responding to the inquiry information in the storage unit 12.
Screen information stored in the specified location
In addition to the browsing accepting means 10a 'for controlling transmission,
Data for compressing / decompressing data transmitted / received to / from the device 2 '.
Data compression / decompression means 10b is newly provided.
It is different from the past. Each part of the first Web server 1 'of the present invention
The communication unit 11 and the screen data 12a have
The description of the storage unit 12 is omitted since it is not different from the conventional one.
Then, the characteristic portions will be described. In addition, the Web system of the present invention
The screen data 12a in the storage unit 12 of the system is stored in advance.
Screen data stored in the
Online analysis processing (OLA)
When used for P), the screen data 12a is stored in advance.
Specific search specified, not screen data
Based on conditions, distributed databases
Screen data created as a result of collecting search results
It doesn't matter. Viewing accepting means 10a 'in control unit 10'
Is basically the same as the conventional browsing reception unit 10a,
Receives the inquiry information specifying the screen information to be viewed,
Stored in a designated location corresponding to the inquiry information in the storage unit 12
That controls to read and return the screen data
However, the inquiry information from the terminal device 2 'is compressed.
Transmitted, using the data compression / decompression means 10b.
After decompressing, perform the process and save the screen data corresponding to the inquiry information.
After reading the data, the data compression / decompression means 10b
The data is compressed and then sent back. Data compression / decompression means 1 in control unit 10 '
0b is transmitted from the terminal device 2 'to the Web server 1'.
Compressed data of query information that specifies screen information to browse
To the terminal device 2 'from the Web server 1'.
Is stored in the specified location corresponding to the query information to be transmitted.
It compresses screen data. In addition, data compression / decompression
The compression / decompression technique performed by the freezing means 10b includes a terminal device.
Compatible with 2 'data compression / decompression means 20b
Is a premise. Specifically, the STAC LZS (Lempel-Z
common technologies, such as ip Standard)
In the present invention, this compression technique is used.
There is no limitation. Also, the first Web server 1 '
Then, the data compression / decompression means 10b is controlled by the control unit 1
0 ', plug-in system for browsing reception means 10a'
It is intended to be realized by software type such as. On the other hand, according to the first embodiment of the present invention.
Terminal devices constituting the Web system (the first terminal device and
1), as shown in FIG.
And a communication unit 21 for communicating with the network 3
Storage unit 22 for storing viewing software, and viewing
Input section 23 for inputting designation of screen information to be read, and browsing results
And a control unit 20 '.
ing. However, in the control unit 20 'of the first terminal device 2'
Is displayed on the screen by specifying the URL as before.
Browsing software (browser) 20 for browsing
a 'and data transmitted and received with the Web server 1'.
New data compression / decompression means 20b for compressing / decompressing data
It is different from the conventional one in that it is provided. Each part of the first terminal device 2 'of the present invention
The communication unit 21, the storage unit 22, the input unit 23,
Since the display unit 24 is not different from the conventional one, the description is omitted,
The features will be described. Viewing software in the control unit 20 '
20a 'is basically similar to the conventional browsing software 20a.
Similarly, it is possible to specify the URL in the Web server 1 '.
To send inquiry information for screen browsing,
The display unit 2 interprets the screen data returned from the server 1 '.
General browsing software to control the display on 4
(Browser), but U to send to Web server 1 '
Data compression / decompression means 20 for inquiring information specifying RL
b and compress it before sending it to Web server 1 '
The returned screen data is compressed and transmitted.
Interpretation after decompression using data compression / decompression means 20b
This is different from the related art in that the information is displayed on the display unit 24. Data compression / decompression means 2 in control unit 20 '
0b is transmitted from the terminal device 2 'to the Web server 1'.
Compressed data of query information that specifies screen information to browse
And conversely, from the Web server 1 'to the terminal device 2'
Stored in the specified location corresponding to the transmitted inquiry information
Is to decompress existing screen data. In addition, data compression /
The compression / decompression technique performed by the decompression means 20b includes Web
It corresponds to the data compression / decompression means 10b of the server 1 '.
It is premised that STAC LZS (Le
popular common, such as the mpel-Zip Standard) method
It is possible to realize this compression in the present invention.
It does not limit the technology. Also, a first terminal device
In 2 ', the data compression / decompression means 20b is controlled by the control unit.
Plug-in system for browsing software 20a '
It is intended to be realized by software type such as. Then, the first Web system of the present invention
As an operation, the URL is stored in the storage unit 12 of the Web server 1 '.
Screen data 12a of the Web screen managed by
ing. Then, in the terminal device 2 ', the control unit 20'
The browsing software (browser) 20a 'is started within
As the place, U of the screen data 12a on the Web server 1
When the RL is specified from the input unit 23, the specified URL
Query command is compressed by the data compression / decompression means 20b
Network, such as the Internet and intranet.
Transmitted through the network 3 and reaches the corresponding Web server 1 '.
Reach. In the Web server 1 ', the browsing accepting means 10
The operation of a 'is to compress / decompress this query information.
Decompress and receive by means 10b, refer to storage unit 12,
From the specified URL, the corresponding screen (homepage)
Screen data such as “control tags” and image data contained in the screen
The data compression / decompression means 10
b, and inquired via the network 3
This is returned to the viewing software 20a 'of the terminal device 2'. Terminal
In the device 2 ', the transmitted screen data is read by the viewing software 20.
a 'received by the data compression / decompression means 20b
After being decompressed, the content of the "control tag" is interpreted,
A predetermined screen is displayed on the display unit 24.
You. In the above description, the Web server 1 'and the terminal
Compression / decompression is performed bidirectionally with the
As described above, from the terminal device 2 ′ to the Web server 1 ′
Since the transmitted query information has a small amount of data, it is compressed.
/ Thawing may not be performed. In that case,
The data compression / decompression means 10b of the Web server 1 '
Data compression / decompression means of the terminal device 2 '
20b may be used as data decompression means. Next, in the Web server and the terminal device,
Data compression / decompression means, compression function card method, etc.
Second Embodiment Realized by Hardware Type
explain. First, W according to the second embodiment of the present invention
Web server 1 and terminal device 2 constituting the web system
Will be described with reference to FIG. FIG.
Web server 1 and terminal device 2 according to second embodiment
FIG. 3 is a block diagram showing the configuration of FIG. Note that the same as FIGS. 1 and 4
The same reference numerals are used for the parts having the configuration
You. Web system according to a second embodiment of the present invention
(Referred to as a second Web system)
2 (referred to as a second Web server) is shown in FIG.
As described above, the communication with the network 3 is performed in the same configuration as the related art.
Communication unit 11 for communication and screen data to be viewed
Storage unit 12 for storing as 12a and screen information to be browsed
Receiving the inquiry information designating the
Screen information stored in the specified location corresponding to the alignment information
Reading accepting means 10a ″ for controlling to read out and return
And a control unit 10 having
The data compression / decompression means 1 is a feature of the server 1 ″.
5 are provided. Each part of the second Web server 1 ″ of the present invention
The communication unit 11 and the screen data 12a have
The description of the storage unit 12 is omitted since it is not different from the conventional one.
Then, the characteristic portions will be described. Browsing reception in the control unit 10
Attaching means 10a "is basically a conventional browsing accepting means 1
Inquiry information that specifies screen information to be browsed in the same way as 0a
Is received, and a finger corresponding to the inquiry information in the storage unit 12 is received.
Read out and return the screen data stored in the fixed place
The inquiry information from the terminal device 2 ″
Information is compressed and transmitted, so that data compression / decompression means
15 and then perform the processing, and
After reading the corresponding screen data, data compression / decompression
Compressed using means 15 and returned
You. The data compression / decompression means 15 is a terminal device
Screen information to be transmitted from 2 "to Web server 1"
Decompress the compressed data of the query information that specifies the information, and conversely,
Inquiry information transmitted from Web server 1 "to terminal device 2"
Screen data stored in the specified location corresponding to the
It shrinks. Note that the data compression / decompression means 15
The compression / decompression technology includes data compression of the terminal device 2 ″.
/ Decompression means 25, and
In general, STAC LZS (Lempel-Zip Standard) method
And other technologies that are widely used.
Therefore, the present invention does not limit this compression technique.
Absent. In the second Web server 1 ″,
Data compression / decompression means 15 by a compression function card system or the like.
It is designed to be implemented in a hardware type. On the other hand, according to a second embodiment of the present invention.
Terminal devices constituting the Web system (the second terminal device and
2), as shown in FIG.
And a communication unit 21 for communicating with the network 3
Storage unit 22 for storing viewing software, and viewing
Input section 23 for inputting designation of screen information to be read, and browsing results
Is displayed on the display unit 24, and a URL is designated.
Browsing software (browser)
A) a control unit 20 having 20a ″,
As a characteristic part of the second terminal device, a data compression / decompression
A step 25 is provided. Each part of the second terminal device 2 ″ of the present invention
The communication unit 21, the storage unit 22, the input unit 23,
Since the display unit 24 is not different from the conventional one, the description is omitted,
The features will be described. Viewing software in the control unit 20 "
20a ″ is basically similar to the conventional browsing software 20a.
Similarly, specify the URL in Web server 1 ″.
To send inquiry information for screen browsing,
Display unit 2 by interpreting the screen data returned from
General browsing software to control the display on 4
(Browser), but send U to Web server 1 ″
Data compression / decompression means 25 for inquiring information specifying RL
Is transmitted after being compressed using Web server 1 ″.
Since the returned screen data is compressed and transmitted,
Decompress using data compression / decompression means 25 and interpret
The point displayed on the display unit 24 is different from the conventional one. The data compression / decompression means 25 is a terminal device
Screen information to be transmitted from 2 "to Web server 1"
Compresses the compressed data of the query information that specifies the information, and conversely,
Inquiry transmitted from Web server 1 "to terminal device 2"
Screen data stored in the specified location corresponding to the information
Thaw it. The data compression / decompression means 25
As the compression / decompression technique to be performed, data of Web server 1 ″ is used.
Data compression / decompression means 15
Specifically, STAC LZS (Lempel-Zip Standar
d) Achieved by common technologies such as methods
It is possible to limit this compression technique in the present invention.
Not. In the second terminal device 2 ″,
Data compression / decompression means 25, such as a compression function card system.
It is realized by hardware type. Then, the second Web system of the present invention
As an operation, the URL is stored in the storage unit 12 of the Web server 1 ″.
Screen data 12a of the Web screen managed by
ing. Then, in the terminal device 2 ″,
To launch the viewing software (browser) 20a "
The UR of the screen data 12a on the Web server 1
When L is specified from the input unit 23, the specified URL
The query command is compressed by the data compression / decompression means 25.
Network such as the Internet and intranet
3 and reaches the corresponding Web server 1 ″.
You. In the Web server 1 ″, the browsing accepting means 10
The operation of a ″ is to compress / decompress this inquiry information.
It is decompressed and received by the means 15, and the storage unit 12 is referred to
Of the corresponding screen (homepage) from the specified URL
Screen data such as “control tags” and image data contained in the screen
The data compression / decompression means 15
, And is queried via network 3
To the browsing software 20a ″ of the terminal device 2. Terminal device
2 ", the transmitted screen data is stored in the viewing software 20a".
And decompressed by the data compression / decompression means 25
After that, the content of the “control tag” is interpreted and
The screen is displayed on the display unit 24. In the above description, the Web server 1 ″ and the terminal
Two-way compression / decompression is performed between
As described above, from the terminal device 2 ″ to the Web server 1 ″
Since the transmitted query information has a small amount of data, it is compressed.
/ Thawing may not be performed. In that case,
Data compression / decompression means 15 of Web server 1 "
Data compression / decompression means 2 of the terminal device 2 "as compression means;
5 may be used as data decompression means. According to the first or second Web system of the present invention,
According to the terminal device 2 ′, 2 ″, the designated UR
The L inquiry command is used for data compression / decompression in the control unit 20 '.
Compressed by the freezing means 20b or the data compression / decompression means 25.
Transmitted via the network 3 to the Web server
1, 1 "means the data compression / decompression means 10 in the control unit 10 '.
b or decompressed by the data compression / decompression means 15 and accepted for viewing
By means 10a ', 10a ", the U
The screen data is read from the RL, and the data in the control unit 10 'is read.
Data compression / decompression means 10b or data compression / decompression means 1
5 and returned via network 3
In the terminal devices 2 'and 2 ", the data pressure in the control unit 20'
The compression / decompression means 20b or the data compression / decompression means 25
Since it is frozen and interpreted and displayed by the viewing software 20a,
The data transmitted via the network 3 is compressed data
Data, the transmission time can be greatly reduced.
There is fruit. In particular, if the network 3 is a narrow band with a slow transmission speed
Area network transmission path, within the network
The transmission time is shortened, and the response to screen queries is quicker.
Will improve the usability and service.
There is a connecting effect. In a specific example, the reduction of the transmission time will be described.
As shown in FIG. 3, in the case of displaying the input system screen, this mechanism
Although the time saved by adoption is small, the search screen
The display time is greatly reduced by adopting this mechanism.
Understand what you can do. FIG. 3 shows the Web system of the present invention.
Compare the time required for screen display with the conventional Web system
FIG. Then, in the first Web system, the Web
b Data compression / decompression means of server 1 'and terminal device 2'
10b and the data compression / decompression means 20b are plug-in
Configuration is increased because it is realized by software such as
The effect that the compression / decompression means can be incorporated without performing
There is fruit. Then, in the second Web system, the Web
b Data compression / decompression means of server 1 "and terminal device 2"
15 and a data compression / decompression means 25 are compression function cards.
Since it is realized by hardware such as
CPU load by adding additional hardware
Of incorporating compression / decompression means without the need
There is. Further, in the Web system of the present invention,
b server 1 'data compression / decompression means 10b and terminal device
2 ′ data compression / decompression means 20b
It is assumed that the compression function is provided.
It is assumed that Therefore, the Web server 1 '
Performs compression assuming that the terminal device 2 'has decompression means.
And the terminal device 2 ′ also transmits
Assuming that there is decompression means in bar 1 ', compress and transmit
It has become so. However, the actual Web system
When expanding the functions of the system during operation or operation,
Function expansion is performed simultaneously in all terminal devices 2 '.
Terminal device 2 'having a compression / decompression function.
In general, a system environment where terminal devices 2 that do not
is there. Therefore, on the transmitting side, the presence or absence of compression and the compression method
Query information and compressed data of screen data.
Data, and the receiver uses the identifier to
Determine if you need to decompress, and if necessary, decompress
Need to be configured as follows. In actual operation, the terminal device
The 2 'side relates to the presence / absence of the compression / decompression function and the compression method
Identifier etc. as data of inquiry information (or compressed data)
In addition, the Web server 1 'transmits the message by its identifier.
To determine if decompression is necessary, and if necessary, decompress
Then, screen display is performed on the terminal device 2 'having the decompression function.
Configuring data to be compressed and transmitted
Effective and effective. The Web system of the present invention is applied to securities companies and finance companies.
Used for business operation systems such as institutions (banks)
For example, for example, a terminal device 2 ′ carried by a salesperson or
2 ”to narrowband networks from customers and business travelers
To the Web server 1 'or 1 "at the head office via
Screen display over a narrowband network.
Inquiries can be quickly browsed even for customers
You can make a good impression and smoothly carry out sales activities
There is an effect that can be. Further, the Web system of the present invention is online.
In the case of using for OLAP,
The screen data 12a on the bars 1 ', 1 "is stored in advance.
Not specific screen information, but specific search conditions.
Search in distributed databases
It becomes screen data created as a result of collecting the results. According to the present invention, the terminal device transmits the inquiry information
Information is compressed by the compression means and transmitted to the network,
The server receives the compressed inquiry information and decrypts the
Freeze and associate the stored screen data, or
The web server compresses screen data corresponding to the inquiry information.
The compressed image data is transmitted by the terminal device and the compressed
Data is received and decompressed by decompression means and displayed, or
Inquiry because it is a Web system that realizes both
Jump up the transmission time of information, screen data, or both
Queries even under narrow band networks
Improves the response from display to screen display and withstands use
The effect of making a Web system easy to use
There is.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a configuration of a Web server and a terminal device according to a first embodiment of the present invention. FIG. 2 is a block diagram illustrating a configuration of a Web server and a terminal device according to a second embodiment of the present invention. FIG. 3 is an explanatory diagram comparing the time required for screen display between the Web system of the present invention and a conventional Web system. FIG. 4 is a block diagram illustrating a configuration of a conventional Web server and a terminal device. [Description of Signs] 1, 1 ′, 1 ″ Web Server, 2, 2 ′, 2 ″ Terminal Device, 3 Network, 10, 10 ′ Control Unit, 10a, 10a ′, 10a ″ Viewing Acceptance Unit ,
10b: data compression / decompression means, 11: communication unit, 1
2 storage unit 12a screen data 20, 20 '
Control unit, 20a, 20a ', 20a "... browsing software,
20b: data compression / decompression means, 21: communication unit,
22 storage unit 23 input unit 24 display unit

   ────────────────────────────────────────────────── ─── Continuation of front page    (72) Inventor Mina Horiuchi             3-14-20 Higashinakano, Nakano-ku, Tokyo Stock             Hitachi Kokusai Electric Inc.

Claims (1)

Claims 1. At least one web server for storing a group of screen data files described in hypertext as an information source, and returning the screen data to an inquiry destination in response to an inquiry; At least one terminal device having a hypertext browser function, transmitting inquiry information to the web server, receiving and displaying screen data corresponding to the inquiry information from the web server, and the web server and the terminal device A decompression unit that decompresses the compressed inquiry information from the terminal device, or a compression unit that compresses screen data corresponding to the inquiry information. Or a web server having both of them, wherein the terminal device is configured to provide Compressing means for compressing or decompressing means for decompressing the compressed picture data from the web server or web system which is a terminal device having a both.