KR100715479B1 - control method and public personal computer system for using two-way settlement apparatus - Google Patents

Abstract

The present invention relates to a public PC system and a control method using a two-way payment device, comprising: a server storing various information necessary for system management; An administrator PC connected to the server via the Internet to control the server; Generates and outputs a status signal indicating normal connection to the Internet or normal system operation, displays usage time through external usage information, operates the system during usage time, A public PC displaying an advertisement; And connected to perform data communication with the public PC, and checks whether there is an error through the status signal transmitted from the public PC to control the public PC, and detects a user's payment and can use the corresponding amount. And checking the time, generating self time information, and transmitting the time information and usage information corresponding to the available time and amount to the public PC.

According to the present invention as described above it is possible to completely block the use time operation from external hacking by generating the time information by itself, and deliver it to the public PC to use in the public PC.

Aerial PC, Bidirectional, Control, Usage Time, Hack, Block

Description

Public PC system and control method using two-way payment device {control method and public personal computer system for using two-way settlement apparatus}

1 is an explanatory diagram showing a configuration of a public PC system using a two-way payment device according to the present invention;

2 is a block diagram showing the configuration of a two-way payment device of the public PC system using the two-way payment device according to the present invention;

3 is an operation flowchart illustrating a coin / bank detection and automatic reset operation of a public PC system using an interactive payment device according to the present invention;

4 is a flowchart illustrating an operation of reservation booting and reservation termination of a public PC system using an interactive payment device according to the present invention;

5 is an operation flowchart illustrating an automatic update operation of a public PC system using a two-way payment device according to the present invention.

<Explanation of symbols on main parts of the drawings>

110: server 120: administrator PC

130: aerial PC 140: two-way payment device

141: coin / cash machine 142: automatic reset switch

143: user reset switch 144: display device

145: clock generator 146: power supply

147: RS-232 interface device 148: SPI communication interface device

149: RAM 150: IP-ROM

151: VGA input / output terminal 152: CPU

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a public PC system, and more particularly, to a public PC system and a control method using a bidirectional payment device for performing various types of control of a public PC using a bidirectional payment device generating time information.

In general, a personal computer (PC) is composed of one or more central processing units and peripheral devices, and is controlled by a program stored therein and capable of performing various kinds of practical calculation tasks such as arithmetic operations and logical operations. As of now, various additional functions are added. For example, a shopping line, a game, an e-mail, and various additional functions are performed by using an internet network using a telephone line or an exclusive line (ADSL), and the utilization of the game between a user and a computer is high.

However, when doing other work using a PC as described above, there is an inconvenience of having to use a PC by finding a place where the PC is set, that is, a home, a company, and a PC room. In order to use a PC, there is a problem of using a PC at a high cost.

In addition, in order to advertise using a PC as described above, it is necessary to send the user via e-mail through an internet network or to perform an advertisement through a website. there was.

In order to solve the above problems, the present applicant, as in Patent No. 2000-13785 (name of the invention: Internet common PC and advertising system using the same), the user inputs coins and cards, and input the amount of money to use the card After recognizing the amount of coins and cards, the PC was developed so that the input device of the Internet PC can be controlled for the corresponding time.

However, such an Internet public PC allows the Internet or document editing for a predetermined time through a predetermined amount as described above, but has a disadvantage in that new data cannot be updated from the server side to the public PC, and the current state of the public PC. There was a problem such that it was impossible to grasp (down, power off, etc.), so that the public PC could not be controlled in real time, and the use time passed even if the function was stopped due to a PC error.

Thus, the present applicant can be generated by remotely managing and controlling the PC by installing the PC in a place where a lot of people gather through the Internet network, as in Patent No. 2002-0017150 (name of the invention: a method of operating and controlling a public PC). It allows you to check public PC errors, consumer complaints, and profits from public PCs in real time, and remotely manages many public PCs and maximizes installers' system operating capabilities / efficiencies in real time. We developed a system that can immediately solve problems and complaints.

However, such a public PC system has a problem that time can be manipulated by hacking or the like because time uses the time generated from the PC itself.

In addition, when the user resets the PC during program patch or file distribution of the PC, there is another problem that the patch is not properly performed.

The present invention is to solve the above problems, by generating the time information by itself, it is transmitted to the public PC to be used in the public PC to completely block the use time operation from external hacking its purpose is to have.

Another object of the present invention is to provide a user with convenience by blocking various coin errors in advance by using a two-way communication device capable of two-way communication.

In addition, another object of the present invention is to prevent the input of coins to the two-way payment device during patch / update or file distribution of the public PC, and to prevent the reset of the public PC to achieve a smooth patch and distribution.

Features of the present invention for achieving the above object, in the public PC system; A server storing data, patches / update programs, and various files corresponding to various information required for system management; An administrator PC connected to the server via the Internet to transmit various commands to the server for the administrator to control the server; Generates and outputs a status signal indicating normal connection to the Internet or normal system operation, displays usage time through external usage information, operates the system during usage time, A public PC displaying an advertisement; And connected to perform data communication with the public PC, and checks whether there is an error through the status signal transmitted from the public PC to control the public PC, and detects a user's payment and can use the corresponding amount. And checking the time, generating self time information, and transmitting the time information and usage information corresponding to the available time and amount to the public PC.

Here, the public PC stores the available time, which is transmitted at regular intervals from the two-way payment device by the user, in an auxiliary storage device other than the main storage device.

Here, the two-way payment device further includes a coin / bank to detect whether the coin and banknotes, and to block the coin and banknotes input under external control; An automatic reset switch connected to the reset switch of the public PC to reset the public PC according to external control; A user reset switch connected to the automatic reset switch and capable of resetting the public PC by a user; A display device for displaying the available time according to external control; A clock generator for generating a clock signal through the crystal oscillator; A power supply unit which receives power from the power supply of the public PC; An RS-232 interface device for performing RS-232 data communication with the public PC; An SPI communication interface device for communicating with other sub communication devices such as a traffic card terminal; RAM for storing various processing information and the available time; IP-ROM storing setting values such as reset time in case of error of the public PC; And a CPU that controls the respective components generally and controls the public PC through bidirectional communication with the public PC.

Herein, the CPU allows the coin / bank of the coin / bank to be inputted when the public PC operates normally through the state information transmitted from the public PC, and the coin / bank of the coin / bank is closed. When the input is made, the input amount is converted into usable time and displayed on the display device, the usage information is transmitted to the public PC, and the usable time is stored in the RAM at regular intervals.

Further, when the CPU inputs a remote input signal through the server through the server in order to remotely input the amount of money in the manager PC, the CPU converts the input amount into usable time and displays it on the display device. The apparatus may transmit usage information including an available time and time information generated by the clock generator to the public PC, and store the available time in the RAM at predetermined intervals.

In addition, when the CPU detects that the public PC is not operating normally through the state information transmitted from the public PC, the CPU stops counting the use time and simultaneously stops counting the coin / cash machine, Counting a predetermined time according to the setting value stored in the ROM, and when the predetermined time has elapsed, operates the automatic reset switch to reset the public PC, and when the public PC returns to normal during counting, the coin / cash machine is closed. Allow and resume counting of usage time.

When the reset of the public PC is completed, the CPU provides the available time stored in the RAM to the public PC, and the available time stored in the auxiliary storage device of the public PC when the power of the public PC is turned off / on. Obtain the available usage time to the public PC, and the administrator wishes to reserve the boot or terminate the reservation of the public PC through the manager PC, and the corresponding control command and the corresponding condition through the server and the public PC. If the transmission time is terminated, the condition that the scheduled booting or reservation termination of the public PC at the end of the use time, the condition that the reservation booting or reservation termination of the public PC unconditionally at the reservation time, and the coin / cash injector 5 minutes before the reservation time Block and boot the public PC according to one of the conditions for pre-booting or terminating the public PC. I quit.

In addition, when the CPU transmits the control command through the server and the public PC in order to distribute a patch / update or file stored in the server through the manager PC, the CPU and the user's public Block manual reset and automatic reset of the PC, reset the public PC with the automatic reset switch, normalize the operation of the public PC when the patch / update or file distribution is finished, and the user or administrator In order to terminate the operation, the operation is performed to clear the time when the forced use time termination signal is input from the public PC or the server.

Here, when the public PC is finished, the public PC detects whether another public PC, which is bound to the public PC and the network group, is designated as an advertisement server, and receives a video advertisement in real time through a network from the designated advertisement server if specified. If there is no corresponding advertisement server, the advertisement server is designated as an advertisement server and receives an advertisement from the server, and transmits the advertisement to another public PC which is not in use in real time time division manner to simultaneously display the same frame.

Hereinafter, the configuration of a public PC system using a bidirectional payment apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

1 is an explanatory view showing the configuration of a public PC system using a two-way payment device according to the present invention, Figure 2 is a block diagram showing the configuration of a two-way payment device of a public PC system using a two-way payment device according to the present invention.

1 and 2, the public PC system 100 using the bidirectional payment device according to the present invention includes a server 110, a manager PC 120, a public PC 130, and a bidirectional payment device 140. It consists of

The server 110 stores data, patches / update programs, and various files corresponding to various types of information necessary for system management in the database 111.

The manager PC 120 is configured to be connected to the server 110 through the Internet to transmit various commands to the server 110 so that the administrator can control the server 110, and to check the information provided from the server 110. .

The public PC 130 is located in a public place, generates and outputs a status signal indicating whether a normal connection with the Internet or normal operation of the system is used, and is used through usage information input from the interactive payment device 140 to be described below. Display the available time, operate the system during the available time, and display the advertisement at a time other than use.

Here, the public PC 130 stores the available time, which is transmitted at regular intervals from the interactive payment device 140 by the user, in an auxiliary storage device (hard disk or the like) other than the main storage device (RAM). In addition, the public PC 130 detects whether or not the public PC 130 and other public PCs (not shown) that are grouped with the network group are designated as an advertisement server when the use is terminated, and then, in real time, through the network from the designated advertisement server if the designated one is used. The video advertisement is received and displayed in a time division manner, and if there is no corresponding advertisement server, the advertisement server is designated to receive an advertisement from the server, and the same frame is simultaneously displayed by transmitting it to another unused public PC in real time time division manner.

The bidirectional payment device 140 includes a coin / cash machine 141, an automatic reset switch 142, a user reset switch 143, a display device 144, a clock generator 145, a power supply device. 146, RS-232 interface device 147, SPI communication interface device 148, RAM 149, IP-ROM 150, VGA input / output terminal 151, CPU And 152. Here, the two-way payment device 140 is configured as an external module can be connected to the public PC 130, it may be configured as a built-in module may be mounted in the case of the public PC (130).

The coin / cash machine 141 senses whether coins and banknotes are inserted, and blocks coins and banknotes under the control of the CPU 152 to be described below.

The automatic reset switch 142 is connected with a reset switch (not shown) of the public PC 130 to reset the public PC 130 under the control of the CPU 152.

The user reset switch 143 is connected to the automatic reset switch 142 to enable the user to reset the public PC 130.

The display device 144 is configured with LEDs to display the time up to the second, and displays the available time under the control of the CPU 152.

The clock generator 145 generates a clock signal through an internal crystal oscillator.

The power supply 146 receives power from a power supply (not shown) of the public PC 130.

The RS-232 interface device 147 performs RS-232 data communication with the public PC 130. Here, the RS-232 data communication protocol is implemented by 7 bytes. For example, the state information transmitted from the public PC 130 is implemented in the same manner as X012532 and C012532, and X is an unreachable state of the Internet. 012532 indicates hours of use, hours, minutes and seconds.

The SPI communication interface device 148 communicates with other sub communication devices such as a traffic card terminal.

RAM 149 stores various processing information and available time.

The IP-ROM 150 stores a set value such as a reset time on error of the public PC 130. Here, the reason that the available time is stored in the RAM 149 instead of the EPI-ROM 150 is limited to the number of uses (approximately 100,000 times) in the case of the EPI-ROM 150. This is because if the available time in units of EPI-ROM 150 is stored, the EPI-ROM 150 may not be actually applied.

The CPU 152 allows the coin / bank of the coin / bank 141 to be inputted when the public PC 130 is normally operated through the state information transmitted from the public PC 130, and the coin / bank 141. When the coin / banknotes are made, the input amount is converted into usable time and displayed on the display device 144, the usage information is transmitted to the public PC 130, and the usable time is fixed to the RAM 149. Save at intervals. Here, the abnormal operation of the public PC 130 refers to a case in which the public PC 130 is booting, interrupted, the Internet is not normally connected, or the public PC 130 is powered off.

In addition, the CPU 152 when the administrator inputs a remote input signal through the server PC (110) through the server 110 in order to remotely input the amount of money from the manager PC 120, the input amount of money as available time The display unit 144 converts the display information through the display device 144 and transmits the usage information including the available time and time information generated by the clock generator 145 to the public PC 130 and transfers the available time to the RAM 149. Save at regular intervals.

In addition, when the CPU 152 detects that the public PC 130 does not operate normally through the state information transmitted from the public PC 130, the CPU 152 blocks the input of the coin / cash machine 141 and at the same time there is a user. Stop counting the use time, count a certain time according to the setting value stored in EP-ROM 150, and when a certain time elapses, the automatic reset switch 142 is operated to reset the public PC 130, and counting If the public PC 130 returns to normal, the coin / cash machine 141 is allowed to enter and the counting of the usage time is resumed. Here, the CPU 152 provides the available time stored in the RAM 149 to the public PC 130 when the reset of the public PC 130 is completed, and when the power of the public PC 130 is turned off / on, The available time stored in the auxiliary storage device (not shown) of the PC 130 is obtained, and the obtained available time is provided to the public PC 130.

In addition, the CPU 152 requests the administrator to reserve the boot or terminate the reservation (power off) of the public PC 130 through the manager PC 120 and the corresponding control command through the server 110 and the public PC 130. If the condition is transmitted, a condition of pre-booting or reserving the public PC 130 when the usage time ends, a condition of unconditionally booting or reserving the public PC 130 unconditionally at the reservation time, and coin 5 minutes before the reservation time / Blocks the trash machine 141, and when the use time ends, booting or terminating the public PC 130 according to the corresponding condition of the reservation booting or reservation termination of the public PC 130.

In addition, the CPU 152, if the administrator wants to distribute the patch / update or file stored in the server 110 via the manager PC 120 to transmit the corresponding control command through the server 110 and the public PC 130, coins Blocks the operation of the cash register 141 and the manual reset and automatic reset of the user's public PC 130 (blocks automatic reset and switches to manual reset), and controls the VGA input / output terminal 151 to control the air. Block the VGA signal sent from the PC 130 to the monitor (not shown), transmit a preset guidance message, reset the public PC 130 using the automatic reset switch 142, and then patch / update or When the file distribution ends, the operation of the public PC 130 is normalized, and the user or administrator wishes to terminate the usage time, performs the corresponding operation, and the forced use time termination signal is received from the public PC 130 or the server 110. Clear the time if entered. Here, the preset guidance message is a message such as "Current computer is currently being patched. Sorry for the inconvenience." The administrator controls the public PC 130 on the network to display the screen of the public PC 130. You can check it and control it directly on the screen.

Hereinafter, the operation of the public PC system using the interactive payment device according to the present invention will be described in detail with reference to FIGS. 1 to 5.

FIG. 3 is an operation flowchart illustrating coin / bank detection and automatic reset operations of a public PC system using a bidirectional payment device according to the present invention, and FIG. 4 is a reservation booting of a public PC system using a bidirectional payment device according to the present invention. And an operation flowchart for explaining the reservation termination operation, and FIG. 5 is an operation flowchart for explaining the automatic update operation of the public PC system using the interactive payment apparatus according to the present invention.

Coin / banknote detection and automatic reset

First, in a state in which the system is driven, that is, power is applied to the public PC 130, and the server 110, the manager PC 120, and the two-way payment device 140 operate normally, the two-way payment device 140 CPU 152 receives the state information from the public PC (130) (S100).

In addition, the CPU 152 detects whether the public PC 130 operates by using the state information received from the public PC 130 (S110), and the public PC 130 is fixed to the bidirectional payment device 140. A time interval (for example, two seconds) indicates whether a normal connection with the Internet or whether the system is operating normally.

Thus, when the public PC 130 operates normally, the CPU 152 allows the coin / bank of the coin / bank 141 to be injected (S120), and the coin / bank of the coin / bank 141 is input. If made (S130), the input amount is converted into available time and displayed on the display device 144 (S140).

In addition, the CPU 152 transmits the usage information including the available time and time information and the amount of money to the public PC 130 at a predetermined time interval (for example, one second interval) (S150). After storage at a predetermined interval in the RAM 149, the process returns to step 100 (S100) (S160).

On the other hand, the CPU 152, when the public PC 130 does not operate normally through the state information transmitted from the public PC 130 in step 110 (S110), that is, the signal input from the public PC 130 for more than 3 seconds If not, the input of the coin / cash machine 141 is blocked (S200), and whether the public PC 130 is used is detected (S210).

Thus, the CPU 152 temporarily stops counting the usage time when the public PC 130 is used (S220), and starts counting a predetermined time according to the setting value stored in the IP-ROM 150 (S230). ). If the public PC is not currently used, the CPU 152 passes directly to step 230 (S230).

Then, the CPU 152 checks whether the public PC 130 performs normal operation through the state information transmitted from the public PC 130 while continuing counting (S240), in a state where the normal operation is not continuously performed. When the set counting is terminated (S250), the automatic reset switch 142 is controlled to reset the public PC 130 (S260). On the other hand, when the public PC 130 is normally operated, the CPU 152 stops reset counting and resumes counting usage time.

Then, when the booting of the public PC 130 is completed and the status information is normal, the available time stored in the RAM 149 is checked (S280), and the counting of the usage time is resumed and the use stored in the RAM 149 The available time is provided to the public PC 130 (S290). If the power of the public PC 130 is turned off / on, the CPU 152 acquires the available time stored in the auxiliary storage device of the public PC 130, and provides the obtained available time to the public PC 130. do.

`` Remote input ''

In a state in which the system is driven, that is, power is supplied to the public PC 130, and the server 110, the manager PC 120, and the two-way payment device 140 operate normally, the manager PC 120 is normally operated. ), When the administrator inputs a remote input signal through the public PC 130 through the server 110 to remotely input the amount, the signal is transmitted to the CPU of the two-way payment device 150 via the public PC 130. 152).

Then, the CPU 152 converts the input amount into available time and displays it on the display device 144, and the public information about the usage information including only the available time and time information is excluded because the amount is excluded. ), And the available time is stored in the RAM 149 at regular intervals.

Thereafter, the process is the same as the operation described above.

《Scheduled Boot and Scheduled End》

In a state in which the system is running, that is, the public PC 130 is powered on and is operating normally, and the server 110, the manager PC 120, and the two-way payment device 140 are all normally operated, the administrator is a manager PC. In order to reserve the boot or terminate the reservation (power off) of the public PC 130 through (120) to transmit the control command and the corresponding conditions through the server 110 and the public PC (130) (S300, S310). At this time, the administrator reserves booting or reserves the public PC 130 at the end of the use time, reserves booting or reserves the public PC 130 unconditionally at the reserve time, and coin / cash machine 5 minutes before the reserve time. When the input of the terminal 141 is blocked and the usage time ends, one of the conditions for pre-booting or reserving the public PC 130 is selected.

Thus, when the signal corresponding to the reserved boot or the reserved end is input through the public PC 130, the CPU 152 checks the condition selected by the user (S320).

Next, the CPU 152 reserves boot or reserves the public PC 130 when the usage time ends according to a condition selected by the user (S330), or reserves the boot or reserves the public PC 130 unconditionally at the reserve time. Alternatively, the coin / cash machine 141 is blocked 5 minutes before the reservation time, and when the use time is over, the public PC 130 is reserved for booting or reservation is terminated (S350).

Automatic Updates and Remote Control

In a state in which the system is running, that is, the public PC 130 is powered on and is operating normally, and the server 110, the manager PC 120, and the two-way payment device 140 are all normally operated, the administrator is a manager PC. The control command is transmitted through the server 110 and the public PC 130 in order to distribute the patch / update or file stored in the server 110 through 120 (S400).

Then, the CPU 152 blocks the input of the coin / cash machine 141 (S410), and blocks the manual reset and automatic reset of the user's public PC 130 (blocking automatic reset and switching to manual reset). (S420). Here, the reason for blocking the automatic reset of the public PC 130 is because the Internet of the public PC 130 is not used at the time of patch / update or file distribution. This is to prevent it.

In addition, the CPU 152 controls the VGA input / output terminal 151 to block its own video output of the public PC 130, that is, to block the VGA signal transmitted to the monitor (S430), and the preset guidance message is monitored. To be displayed on (S440). Here, the reason for blocking the VGA signal of the public PC 130 is for the administrator to remotely control the desktop of the public PC 130, which prevents the user from seeing the contents of the internal work, and thus rejects the remote control. In order to dispel the fears and misunderstandings of information and other information leakage, only the informational messages can be viewed.

Then, the CPU 152 resets the public PC 130 by using the automatic reset switch 142 (S450), and after the booting is completed, when patch / update or file distribution is normally terminated (S460, S470), The operation of the public PC 130 is normalized, that is, the coin / cash machine 141 is allowed to be used (S480), and the user's manual and automatic reset of the public PC 130 is enabled (S490). If, in step 450 (S450), the patch / update or file distribution is not normally terminated and the corresponding message is transmitted from the public PC 130, the CPU 152 blocks the input of the coin / cash machine 141 and the public PC. Perform a series of operations such as blocking manual reset and automatic reset of the 130, the public PC 130 transmits an error message to the manager PC 120 (S471), and returns to step 400 (S400) Repeat the following operation. If the administrator fails the patch / update and file distribution through a separate command at the first failure through the administrator PC 130.

《End of current usage time》

The CPU 152 wishes the user or administrator to end the usage time so that the user double-clicks the end button displayed on the screen of the public PC or the administrator issues the usage time end command via the administrator PC 120. When the use time forced end signal is input through the PC 130, the available time remaining until now is cleared.

"Advertising"

On the other hand, the public PC 130 displays advertisements when the use is terminated or not in use, and detects whether another public PC grouped into a network group is designated as an advertisement server at the end of use, and if so, the designated advertisement server, that is, other The video advertisement is received from the public PC through the network in real time time division manner to display the same frame as the advertisement server to maximize the advertisement effect.

On the contrary, if there is no corresponding advertisement server, the public PC 130 is designated as an advertisement server, receives an advertisement from the server 110, and transmits the same to another public PC that is not in use in a real time time division manner to simultaneously display the same frame. In this advertisement method, due to the high processing speed of the CPU of the public PC 130 and the network speed, the time difference between proms of each public PC is about 1/100 second, which is difficult to judge by human eyes. It is almost the same because of the speed of.

According to the public PC system using the two-way payment device according to the present invention configured as described above, the time information is generated by itself, and transferred to the public PC to be used in the public PC to completely block the use time operation from external hacking It is possible to provide convenience to users by blocking various coin errors in advance by using a two-way payment device that enables two-way communication, and prevents coin input to a two-way payment device when patch / update or file distribution of public PC, By preventing the reset of public PCs, there is an advantage that smooth patching and distribution can be achieved.

Claims (11)

delete In a public PC system consisting of a server, an administrator PC and a public PC; It is connected to perform data communication with the public PC, and checks whether there is an error through the status signal transmitted from the public PC to control the public PC, and detects a user's payment to use the available time for the corresponding amount. Public PC using a two-way payment device, characterized in that it comprises a two-way payment device 140 for generating a self-time information to pass the time information and usage information corresponding to the available time and amount to the public PC system. The method of claim 2, The two-way payment device 140, A coin / cash machine 141 which senses whether coins and banknotes are inserted and blocks the input of coins and banknotes according to external control; An automatic reset switch (142) connected to the reset switch of the public PC to reset the public PC according to external control; A user reset switch (143) connected to the automatic reset switch and capable of resetting the public PC by a user; A display device 144 for displaying the available time according to external control; A clock generator 145 for generating a clock signal through the crystal oscillator; A power supply unit 146 that receives power from the power supply of the public PC; An RS-232 interface device (147) for performing RS-232 data communication with the public PC; An SPI communication interface device 148 for communicating with other sub communication devices such as a traffic card terminal; A RAM 149 for storing various processing information and the available time; An IP-ROM 150 configured to store a set value such as a reset time in case of an error of the public PC; A VGA input / output terminal (151) for blocking a VGA signal displayed on the public PC under the control of the server; And And a CPU (152) for controlling the components generally and controlling the public PC through bidirectional communication with the public PC. In the method of controlling the public PC, which is provided with a server, an administrator PC and a public PC, Through the state information transmitted from the public PC, when the public PC operates normally, the coin / paper currency of the coin / bank is allowed, and if the coin / paper coin is input, the amount of money can be used. And converting the time into a display device, transmitting the usage information to the public PC, and storing the available time in a RAM at a predetermined interval. The method of claim 4, wherein When the manager inputs a remote input signal through the server through the server in order to remotely input the amount of money from the manager PC, the public PC converts the input amount into usable time and displays it on the display device. Method for controlling a public PC using a two-way payment device, characterized in that for transmitting the usage information including the time and time information generated by the clock generator to the public PC, and stores the available time in the RAM at regular intervals. . The method of claim 4, wherein If it is detected that the public PC is not operating normally through the state information transmitted from the public PC, the coin / cash machine is shut off and at the same time the counting of the usage time is stopped, and according to the setting value stored in the IP-ROM. After a certain time counting, if a certain time elapses, an automatic reset switch is operated to reset the public PC.If the public PC returns to normal during counting, coin / cash machine is allowed to be input and counting of time is resumed. Public PC control method using a two-way payment device, characterized in that. The method of claim 4, wherein When the reset of the public PC is completed, the available time stored in the RAM is provided to the public PC, and when the power of the public PC is turned off / on, the available time stored in the auxiliary storage device of the public PC is obtained, and Public PC control method using a two-way payment device, characterized in that providing the available time to the public PC. The method of claim 4, wherein In the event that the control command and the corresponding conditions are transmitted through the server and the public PC in the hope of scheduled booting or reservation termination of the public PC through an administrator PC, a condition of reserved booting or reservation termination of the public PC when the usage time expires. And a condition of unconditionally booting or reserving the public PC at a reservation time, and a condition of blocking booting of the coin / cash machine 5 minutes before the reservation time and terminating booting or reserving the public PC when the usage time ends. Public PC control method using a two-way payment device, characterized in that for booting or terminating the public PC according to the corresponding conditions. The method of claim 8, When the control command is transmitted through the server and the public PC in order to distribute the patch / update or file stored in the server through the administrator PC, the coin / paper shredder and the user's manual reset and automatic reset of the public PC are executed. Block the VGA signal from the public PC to the monitor by controlling the VGA input / output terminal, transmit a preset guide message, reset the public PC using the automatic reset switch, and then patch / Public PC control method using a two-way payment device characterized in that to normalize the operation of the public PC when the update or file distribution is finished. delete The method of claim 4, wherein The public PC detects whether the public PC and other public PCs grouped in the network group are designated as an advertisement server when the use is terminated, and receives and displays a video advertisement through a network in real time from the designated advertisement server if the designated one is used. If there is no server, it is designated as an advertisement server receives the advertisement from the server, and transmits it to another public PC that is not in use in real time time division method to display the same frame at the same time, the public PC control method using a two-way payment device.

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