KR101523146B1 - Method and Apparatus for Collecting Printer Data with Data Acquisition Warranty Function - Google Patents

Method and Apparatus for Collecting Printer Data with Data Acquisition Warranty Function Download PDF

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Publication number
KR101523146B1
KR101523146B1 KR1020130156288A KR20130156288A KR101523146B1 KR 101523146 B1 KR101523146 B1 KR 101523146B1 KR 1020130156288 A KR1020130156288 A KR 1020130156288A KR 20130156288 A KR20130156288 A KR 20130156288A KR 101523146 B1 KR101523146 B1 KR 101523146B1
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South Korea
Prior art keywords
printer data
printer
data collection
management server
collection device
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KR1020130156288A
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Korean (ko)
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고유태
하태인
김재철
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주식회사 엘지씨엔에스
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/602—Providing cryptographic facilities or services

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  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
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  • General Health & Medical Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)

Abstract

Disclosed are a method and an apparatus for collecting printer data with a data collection ensuring function. According to the present invention, the apparatus for collecting printer data which is installed between a printer data generating apparatus and a printer. The apparatus may include: a communication unit which communicates with a managing server; and a signal processing unit which converts a signal received from the printer data generating apparatus, transmits the converted signal to the managing server through the communication unit, and transmits the received signal to the printer through an output port.

Description

TECHNICAL FIELD [0001] The present invention relates to a method and apparatus for collecting printer data,

Various embodiments described herein may extract and store data transmitted from a computer or a specific device (Cash Register, POS) to a printer via serial, parallel, or USB, And more particularly, to a data acquisition apparatus and method therefor.

A printer data collection device that collects data output from a printer can be used to prevent leakage of internal business secrets through output documents in a corporation that requires document security or to provide data on the basis of charge or tax such as a receipt printer It is mainly used in places where the demand for preservation is high.

U.S. Published Application No. 2010-0010905 discloses a method of storing data output to a printer and transferring the stored data to an external server and a printer data collecting device therefor. According to the present patent application, it is possible to monitor information about a document output through a printer by storing printer data and transmitting it to an external server, but it is also possible for a user to arbitrarily remove the power terminal of the printer data collecting device, When the physical connection between the data collecting device and the printer is arbitrarily removed, the printer data transferred to the actual printer can not be stored.

Accordingly, in order to prevent omission of the printer data output to the printer and to secure all the printer data, the user can detect an event such as disassembling the printer data collection device arbitrarily attached or unplugging the power cord, It is necessary to prevent unintended modulation of the printer data transmitted to the printer by mounting a printer data collecting device.

A printer data collection device that collects data output from a printer can be used to prevent leakage of internal business secrets through output documents in a corporation that requires document security or to provide data on the basis of charge or tax such as a receipt printer It is mainly used in places where the demand for preservation is high.

U.S. Published Application No. 2010-0010905 discloses a method of storing data output to a printer and transferring the stored data to an external server and a printer data collecting device therefor. According to the present patent application, it is possible to monitor information about a document output through a printer by storing printer data and transmitting it to an external server, but it is also possible for a user to arbitrarily remove the power terminal of the printer data collecting device, When the physical connection between the data collecting device and the printer is arbitrarily removed, the printer data transferred to the actual printer can not be stored.

Accordingly, in order to prevent omission of the printer data output to the printer and to secure all the printer data, the user can detect an event such as disassembling the printer data collection device arbitrarily attached or unplugging the power cord, It is necessary to prevent unintended modulation of the printer data transmitted to the printer by mounting a printer data collecting device.

A printer data collecting apparatus according to an embodiment includes a communication unit including a network interface and communicating with a management server; An input signal processing unit for converting printer data received from the printer data generating apparatus; And a control unit for transmitting the converted data to the management server through the communication unit and controlling the printer data to be transmitted to the printer through an output port.

According to one aspect of the present invention, the printer data collecting apparatus further includes an input signal detecting unit for detecting a change in a connection state of an input port connected to the printer data generating apparatus, and the controller detects a change in the connection state of the input port , It is possible to notify the management server of the change in the connection state of the input port through the communication unit.

According to one aspect, the input signal sensing unit includes: a signal level comparator that senses a drop in the signal level of the input port when the input port is connected; And a hysteresis filter for determining that there is a change in the connection state of the input port when a difference between a previous input value and a current input value of the input port is maintained equal to or greater than a predetermined value for a predetermined time or longer have.

According to one aspect of the present invention, the printer data collecting apparatus further includes an ID storing unit that stores a unique system ID for the printer data collecting apparatus, and the control unit transmits the system ID to the management server, Of the user.

According to one aspect, when the control unit receives a notification that the system ID is valid from the management server, the control unit can start the collection process for the printer data.

According to one aspect, the printer data collection device may further include a data storage for storing the converted data.

According to one aspect, the printer data collecting apparatus includes: a built-in battery; And a power management unit for determining whether external power is applied to the printer data collecting apparatus and for switching the power supply to the internal battery when the external power is not applied.

According to one aspect of the present invention, when the external power is not applied, the control unit can notify the management server that the power supply is changed through the communication unit.

According to one aspect of the present invention, the power management unit may supply the external power to the printer data collecting apparatus and supply the charging power to the internal battery when the external power is applied.

According to one aspect of the present invention, the printer data collecting apparatus further includes a power mux for precharging a predetermined power, and when the external power is cut off, The charged power may be supplied to the printer data collecting device, and the power source may be switched to the built-in battery.

A printer data collection method according to an embodiment includes: converting printer data received from a printer data generation apparatus; Transmitting the converted data to a management server through a communication unit; And transmitting the printer data to a printer through an output port.

According to one aspect of the present invention, the printer data collection method includes: detecting a change in a connection state of an input port connected to the printer data generation apparatus; Transmitting to the management server a change in the connection state of the input port through the communication unit when a change in the connection state of the input port is detected; And storing the converted data in a data store.

According to one aspect, the step of detecting a change in the connection state of the input port includes sensing a drop of a signal level of the input port when the input port is connected to the input port. And determining that there is a change in the connection state of the input port when a difference between a previous input value and a current input value of the input port is maintained equal to or greater than a predetermined value for a predetermined time or more.

According to an aspect of the present invention, the printer data collection method includes: transmitting a system ID stored in the printer data collection device to the management server; Receiving a response code for validity of the system ID from the management server; And if the system ID is valid, initiating the collection process of the printer data.

According to one aspect, the printer data collection method includes: determining whether external power is applied to the printer data collection apparatus; And switching the power source to the built-in battery of the printer data collection device when the external power is interrupted, and notifying the management server that the power source has been changed.

According to one aspect of the present invention, the printer data collecting method includes: supplying the external power to the printer data collecting apparatus when the external power is applied; and when the external power is interrupted, And supplying the charging power.

According to embodiments, in the process of acquiring printer data transmitted from a computer and a specific device to a printer and transferring the acquired printer data to the server, it is possible to prevent acquisition and transmission of printer data using an unauthorized printer data collecting device, It is possible to provide a transmission code and a response code processing function.

In addition, it is possible to prevent the printer data from being transmitted through the unauthorized printer data collecting device and to monitor the operation of unplugging the power cable or the printer cable to unload the printer data, thereby ensuring the collection of the printer data .

1 is a view for explaining an operation of a printer data collecting apparatus according to an embodiment.
2 is a block diagram of a printer data collection device according to one embodiment.
3 is a diagram illustrating a configuration of an input signal sensing unit according to an exemplary embodiment of the present invention.
4 is a flowchart showing a printer data collection method according to an embodiment.
5 is a flowchart showing a printer data collection method according to another embodiment.
6 is a flowchart showing a printer data collection method according to another embodiment.

Hereinafter, various embodiments will be described in detail with reference to the accompanying drawings.

1 is a view for explaining an operation of a printer data collecting apparatus according to an embodiment.

Referring to FIG. 1, a printer data collecting apparatus 130 according to an exemplary embodiment of the present invention includes a printer data generating apparatus 110 for tapping printer data output to the printer 120 in the middle of a data transmission cable, And transmit the converted data to the external management server 140. The printer data collection device 130 according to one embodiment may include at least one of the following functions. The printer data collecting device 130 can generate printer data according to input from a user such as a personal computer, a server, a smart phone, etc., a point-of-sale (POS) Device.

(1) Equipment authentication function

The printer data collection device 130 encrypts the system identifier (ID) and transmits the encrypted system ID to the management server 140 via a network interface (NI: Network Interface, not shown) such as a wireless modem wirelessly or wired Lt; / RTI >

The management server 140 determines whether the system ID transmitted from the printer data collecting apparatus 130 is valid or not and transmits a response code to the printer data collecting apparatus 130 according to the determination result. The printer data collection device 130 can start the data collection process when it is notified from the management server 140 that the system ID is valid. On the other hand, if a notification is received that the system ID is invalid, a warning notification can be issued.

(2) External power off detection function

The printer data collecting device 130 can determine whether the external power input is blocked. The power supply source is switched to the built-in battery of the printer data collecting apparatus 130 and the network interface NI is included when the input of the external power supply of the printer data collecting apparatus 130 is interrupted, The management server 140 can notify that the power source has been changed from the external power source to the built-in battery.

(3) I / O port connection status detection function

The printer data collection device 130 can detect a change in the connection state of the input port for receiving the printer data from the printer data generation device 110 and the output port for outputting the printer data to the printer 120. When a change in the connection state of the input port and / or the output port is detected, it is possible to notify the management server 140 via the network interface NI that the connection state of the input port and / or the output port has changed.

2 is a block diagram of a printer data collection device according to one embodiment.

The printer data collecting apparatus 200 installed between the printer data generating apparatus and the printer includes an identifier storage unit 210, a communication unit 220, a control unit 230, a power management unit 241, A power mux 242, an internal battery 243, an input signal sensing unit 250, an input signal processing unit 260, an output port 270, and a data storage unit 280.

The ID storage unit 210 may store a system ID for authentication of the printer data collection device 200. [ The system ID for authentication of the printer data collecting apparatus 200 is an ID uniquely assigned to the printer data collecting apparatus 200 and may be stored in the ID storing unit 210 which is a memory such as an EEPROM. That is, the ID storage unit 210 can manage the system ID so that it can not be modified from the outside. The system ID may be issued by the management server 190 and may be input to the ID storage unit 210 during the manufacture of the printer data collecting apparatus 200 according to the present invention. The system ID stored in the ID storage unit 210 may be transmitted to the management server 190 through the communication unit 220 including the network interface NI through the encryption process in the printer data collection device 200. [ According to one aspect, the printer data collection device 200 can generate an encryption key for encrypting the system ID according to predetermined logic, and can be encrypted using this encryption key. The encrypted system ID can be transmitted to the management server 190 through the communication unit 220. The management server 190 may transmit the server response code to the printer data collection device 200. [ The management server 190 and the printer data collecting apparatus 200 can encrypt and decrypt the system ID according to the RSA public key based encryption method.

The power management unit 241 can determine whether external power is being applied to the printer data collection device 200, that is, whether an external power cable is connected. For example, the power management unit 241 can sense the external power supplied at all times and the power input from the built-in battery 243. When external power is applied to the printer data collecting apparatus 200, the power managing unit 241 supplies power inputted from the external power source to the printer data collecting apparatus 200 and supplies the charging power to the built-in battery. The power management unit 241 receives power from the internal battery 241 via the power mux 242 when the external power source is arbitrarily disconnected from the external power source or an event such as a power failure occurs and the external power source for the printer data collection device 200 is turned off, 243 to switch the power source. When the power supply source is switched, the power management unit 241 can notify the management server 190 that the power supply source has been changed through the communication unit 220. [

According to one aspect, the power mux 242 may pre-charge a predetermined power. For example, in order to prevent a voltage drop due to instantaneous power interruption, a certain amount of power is pre-charged to the power mux 242, and the power management unit 241 pre-charges the power mux 242 while the pre- , The power source can be switched from an external power source to the built-in battery 243.

The input signal sensing unit 250 may sense a change in the connection state of the input port (not shown) of the printer data collecting apparatus 200. [ The input signal sensing unit 250 may check the level of the signal input to the input port, and may detect a change in the physical connection state of the input port when there is a change in the input signal level.

The input signal processing unit 260 transmits the signal received from the input signal sensing unit 250 to the printer through the output port 270 and converts the received signal into data in an analog to digital (A / D) do. The converted data may be transmitted to the management server 190 via the communication unit 220. For example, after the signal level is checked in the input signal sensing unit 250, the signal change value caused by the printer data generation may be transmitted to the output port 270 through the signal input processing unit 260 and transmitted to the printer. The signal change value is converted into digital data by the signal input processing unit 260 and transmitted to the control unit 230. The control unit 230 may control the converted data to be stored in the data storage 280 or transmitted to the management server 190 through the communication unit 220.

According to one embodiment, the printer data collection device may collect printer data sent to the printer via the output port 270 and send the collected printer data to the management server 190. In addition, the collected printer data may be stored in the data store 280.

The communication unit 220 includes a wired and wireless network interface NI and receives printer data transmitted from the printer data generation apparatus and transmits the status data of the printer data collection apparatus 200 to the management server 190, And can receive a response code or the like from the server 190.

The control unit 230 controls the overall operation of the printer data collection device 200. The control unit 230 may include a central processing unit (not shown) such as a CPU or an MCU, and may be implemented in a manner of being connected to an external central processing unit and utilizing an arithmetic function. The control unit 230 controls the input signal sensing unit 250 and the input signal processing unit 260 to control the output of the printer data received through the input port to the output port through the output port 270. The control unit 230 controls the input signal processing unit 260 to store the converted data in the data storage 280 and transmits the converted data to the external management server 190 through the wired / wireless communication network through the communication unit 220 .

In order to support the main functions of the printer data collecting apparatus 200 according to an embodiment, the controller 230 may perform the following operations.

(1) Equipment authentication function

The control unit 230 reads the system ID stored in the ID storage unit 210 and transmits the read system ID to the management server 190 and determines the validity of the system ID according to the response code received from the management server 190 . Specifically, the control unit 230 analyzes the response code received from the management server 190, and controls to start the printer data collection process when it is determined that the system ID transmitted to the management server 190 is valid have.

If the system ID is not valid, the control unit 230 sends a warning message to the user through the display means (not shown) included in the printer data collecting apparatus 200, It is possible to control the message to be transmitted to the management server 190. The warning message may be output in a visual manner through a display such as an LCD or in an audible manner through a speaker. In addition, the control unit 230 can control to stop the operation of the printer data collecting apparatus 200 while transmitting the message.

(2) External power off detection function

The control unit 230 can determine whether external power is being applied to the printer data collection device 200 by using the power management unit 241. [ When the external power is cut off, the controller 230 controls the power management unit 241 to supply power through the built-in battery 243, and notifies the management server 190 that the external power is cut off.

(3) I / O port connection status detection function

When the input signal detection unit 250 detects a change in the connection state of the input port connected to the input terminal, the control unit 230 notifies the management server 190 of a change in the connection state of the input port through the communication unit 220 Can be informed.

3 is a diagram illustrating a configuration of an input signal sensing unit 250 according to an embodiment. The input signal sensing unit 250 may include a signal level comparator 251 and a hysteresis filter unit 252.

The level comparator 251 can sense the rise / drop of the signal level of the input port when the input port of the input stage is connected, that is, the change of the signal level when the input port is connected and detached.

The hysteresis filter unit 252 may determine that there is a change in the connection state of the input port when the difference between the previous input value and the current input value of the input port is maintained equal to or greater than a predetermined value for a predetermined time or more.

The input signal sensing unit 250 transmits information sensed by the level comparator 251 and the hysteresis filter 252 to the control unit 230. The control unit 230 senses the signal sensed by the input signal sensing unit 250, The level change can be notified to the management server 190.

4 is a flowchart showing a printer data collection method according to an embodiment.

The printer data collection method according to an exemplary embodiment includes a step 410 of detecting a change in a connection state of an input port by an input signal sensing unit in a printer data collection device, converting a signal received from the printer data generation device, A step 430 of transmitting the signal received from the printer data generating device to the printer through the output port 430, a step 440 of storing the converted signal, a step 440 of changing the connection state of the input port, A step 450 of transmitting to the management server a change in the connection state of the input port through the communication unit.

In step 410, the input signal sensing unit of the printer data acquisition device may sense a change in the connection state of the input port. As described above with reference to FIG. 3, the level comparator of the input signal sensing unit can detect the rise / drop of the signal level of the input port when the input port is connected to the input stage. The hysteresis filter unit of the input signal sensing unit may determine that there is a change in the connection state of the input port when the difference between the previous input value and the current input value of the input port is maintained at a predetermined value or more for a predetermined time or longer.

In step 420, the printer data received from the printer data generating apparatus may be converted and transmitted to the management server through the communication unit. After the signal level is checked in the input signal detection unit, the signal change value resulting from the actual output is converted into A / D (Analog to Digital) by the signal input processing unit 260 and transmitted to the control unit. The control unit can transmit the converted data to the management server 190 through the communication unit.

In step 430, the printer data received from the printer data generating device may be transmitted to the printer via the output port. As described above with reference to FIG. 2, after the signal level check in the input signal sensing unit, the signal change value resulting from the actual output can be transmitted to the output port through the signal input processing unit. Also, the input signal processing unit may transmit the signal received from the input signal sensing unit to the printer through the output port.

At step 440, the transformed data at step 420 may be stored in the data store 280. According to an embodiment, a signal change value generated by an actual output after a signal level check in an input signal detection unit is converted into digital data in a signal input processing unit and transmitted to a control unit. The control unit may control the converted data to be stored in the data storage unit 280. [

In step 450, when a change in the connection state of the input port is detected, the control unit may transmit to the management server a change in the connection state of the input port through the communication unit.

5 is a flowchart showing a printer data collection method according to another embodiment.

The printer data collection method according to another embodiment includes a step 510 of encrypting a system ID and transmitting the system ID to a management server, a step 520 of determining whether the system ID is valid and transmitting a response code to the printer data collection device, A step 530 of starting a data collection process when a notice is received that the system ID is valid, and a step 540 of issuing a warning notification when a notification that the system ID is invalid is received.

In step 510, when power is applied to the printer data collecting device, the printer data collecting device may encrypt the system ID stored in the printer data collecting device and transmit the encrypted system ID to the management server. The ID storage unit of the printer data collection device may store a system ID for authentication of the printer data collection device. For example, the system ID for authentication of the printer data collecting device may be stored in an ID storing portion including a memory such as an EEPROM, and the system ID may be information uniquely assigned to the printer data collecting device. In other words, the ID storage unit can store the system ID in a memory such as an EEPROM that can not be modified by the user or the outside. The system ID may be information issued from the management server, and may be input to the ID storage unit at the time of manufacturing the printer data collecting apparatus according to one embodiment. The system ID can be transmitted to the management server via an encryption process.

In step 520, the management server determines whether the system ID is valid, and transmits a response code to the printer data collection device.

In step 530, if the printer data collection device determines that the encrypted system ID is valid from the management server by the response code, the printer data collection device may start the data collection process for the printer.

If the system ID is not valid as a result of the determination in step 540, a warning message is sent to the user through the display means included in the printer data collecting device, and the printer data collecting device sends a message, As shown in Fig. The warning message may be output in a visual manner through a display such as an LCD or in an audible manner through a speaker. Further, the control unit can control to stop the operation of the printer data collecting apparatus while transmitting the message.

6 is a flowchart showing a printer data collection method according to another embodiment.

According to another embodiment of the present invention, there is provided a method of collecting printer data, comprising: determining (610) whether external power is applied to a printer data collecting device; and, when a change is detected, (Step < RTI ID = 0.0 > 620). ≪ / RTI >

In step 610, the printer data collection device may determine whether external power is applied or not to the printer data collection device. For example, the power management unit can sense an external power source supplied at all times and a power source input from the built-in battery. When external power to the printer data collecting device is applied, the power managing part supplies external power to the printer data collecting device and supplies charging power to the built-in battery.

In step 620, if external power to the printer data collection device is interrupted, the power source can be switched to the internal battery of the printer data collection device. Further, it is possible to notify the management server that the power supply source has been changed through the communication unit.

The apparatus described above may be implemented as a hardware component, a software component, and / or a combination of hardware components and software components. For example, the apparatus and components described in the embodiments may be implemented within a computer system, such as, for example, a processor, a controller, an arithmetic logic unit (ALU), a digital signal processor, a microcomputer, a field programmable array (FPA) A programmable logic unit (PLU), a microprocessor, or any other device capable of executing and responding to instructions. The processing device may execute an operating system (OS) and one or more software applications running on the operating system. The processing device may also access, store, manipulate, process, and generate data in response to execution of the software. For ease of understanding, the processing apparatus may be described as being used singly, but those skilled in the art will recognize that the processing apparatus may have a plurality of processing elements and / As shown in FIG. For example, the processing unit may comprise a plurality of processors or one processor and one controller. Other processing configurations are also possible, such as a parallel processor.

The software may include a computer program, code, instructions, or a combination of one or more of the foregoing, and may be configured to configure the processing device to operate as desired or to process it collectively or collectively Device can be commanded. The software and / or data may be in the form of any type of machine, component, physical device, virtual equipment, computer storage media, or device , Or may be permanently or temporarily embodied in a transmitted signal wave. The software may be distributed over a networked computer system and stored or executed in a distributed manner. The software and data may be stored on one or more computer readable recording media.

The method according to an embodiment may be implemented in the form of a program command that can be executed through various computer means and recorded in a computer-readable medium. The computer-readable medium may include program instructions, data files, data structures, and the like, alone or in combination. The program instructions to be recorded on the medium may be those specially designed and configured for the embodiments or may be available to those skilled in the art of computer software. Examples of computer-readable media include magnetic media such as hard disks, floppy disks and magnetic tape; optical media such as CD-ROMs and DVDs; magnetic media such as floppy disks; Magneto-optical media, and hardware devices specifically configured to store and execute program instructions such as ROM, RAM, flash memory, and the like. Examples of program instructions include machine language code such as those produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter or the like. The hardware devices described above may be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. For example, it is to be understood that the techniques described may be performed in a different order than the described methods, and / or that components of the described systems, structures, devices, circuits, Lt; / RTI > or equivalents, even if it is replaced or replaced.

Therefore, other implementations, other embodiments, and equivalents to the claims are also within the scope of the following claims.

Claims (17)

A printer data collection device comprising:
A communication unit including a network interface and communicating with the management server;
An input signal processing unit for converting printer data received from the printer data generating apparatus;
A control unit that transmits the converted data to the management server through the communication unit and controls the printer data to be transmitted to the printer through the output port; And
An input signal detecting unit for detecting a change in a connection state of an input port connected to the printer data generating apparatus,
Lt; / RTI >
The control unit notifies the management server of a change in the connection state of the input port through the communication unit when a change in the connection state of the input port is detected,
Printer data collection device.
delete The method according to claim 1,
Wherein the input signal sensing unit comprises:
A signal level comparator for sensing a drop in the signal level of the input port when the input port is connected; And
A hysteresis filter for determining that there is a change in the connection state of the input port when a difference between a previous input value and a current input value of the input port is maintained equal to or greater than a predetermined value for a predetermined time or more,
And a printer data collecting device.
The method according to claim 1,
An ID storing unit for storing a unique system ID for the printer data collecting apparatus,
Further comprising:
Wherein the control unit transmits the system ID to the management server to request authentication of the printer data collection device,
Printer data collection device.
5. The method of claim 4,
Wherein the control unit starts a collection process for the printer data when receiving a notification from the management server that the system ID is valid,
Printer data collection device.
The method according to claim 1,
The data store storing the converted data
≪ / RTI >
Printer data collection device.
The method according to claim 1,
Internal battery; And
A power management unit for determining whether external power is applied to the printer data collecting apparatus and switching the power supply source to the internal battery when the external power is not applied,
≪ / RTI >
Printer data collection device.
8. The method of claim 7,
The control unit notifies the management server of the change of the power supply through the communication unit when the external power is not applied
Printer data collection device.
8. The method of claim 7,
The power management unit includes:
And supplies the external power to the printer data collecting device when the external power is applied,
Printer data collection device.
8. The method of claim 7,
A power mux for precharging a predetermined power,
Further comprising:
Wherein the power management unit switches the power source to the built-in battery after the power mux supplies the precharged power to the printer data collection device when the external power is interrupted,
Printer data collection device.
In a printer data collection method,
Converting printer data received from the printer data generating device;
Transmitting the converted data to a management server through a communication unit;
Transmitting the printer data to a printer through an output port;
Detecting a change in a connection state of an input port connected to the printer data generation device; And
Transmitting, to the management server, a change in the connection state of the input port through the communication unit when a change in the connection state of the input port is detected
And a printer data collection method.
12. The method of claim 11,
Storing the transformed data in a data store
Further comprising the steps of:
12. The method of claim 11,
Wherein the step of detecting a change in the connection state of the input port comprises:
Detecting a drop in the signal level of the input port when the input port is connected; And
Determining that there is a change in the connection state of the input port when a difference between a previous input value and a current input value of the input port is maintained equal to or greater than a predetermined value for a predetermined time or longer;
And a printer data collection method.
12. The method of claim 11,
Transmitting a system ID stored in the printer data collection device to the management server;
Receiving a response code for validity of the system ID from the management server; And
Initiating a collection process of the printer data if the system ID is valid;
Further comprising the steps of:
12. The method of claim 11,
Determining whether external power is applied to the printer data collection device; And
Switching the power supply to the internal battery of the printer data collection device when the external power is interrupted and notifying the management server that the power supply has changed
Further comprising the steps of:
16. The method of claim 15,
Supplying the external power to the printer data collecting apparatus when the external power is applied and supplying the charging power of the internal battery to the printer data collecting apparatus when the external power is interrupted
Further comprising the steps of: A printer data collection device comprising:
A communication unit including a network interface and communicating with the management server;
An input signal processing unit for converting printer data received from the printer data generating apparatus;
A control unit that transmits the converted data to the management server through the communication unit and controls the printer data to be transmitted to the printer through the output port; And
An ID storing unit for storing a unique system ID for the printer data collecting apparatus,
Lt; / RTI >
Wherein the control unit transmits the system ID to the management server to request authentication of the printer data collection device,
Printer data collection device.
KR1020130156288A 2013-12-16 2013-12-16 Method and Apparatus for Collecting Printer Data with Data Acquisition Warranty Function KR101523146B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08149718A (en) * 1994-11-14 1996-06-07 Canon Inc Power supply
KR20000020712A (en) * 1998-09-23 2000-04-15 윤종용 Method for managing printer output material information
KR20080080952A (en) * 2007-03-02 2008-09-05 캐논 가부시끼가이샤 A printing system, a control method of printing system, and a storage medium
US20100010905A1 (en) * 2008-07-08 2010-01-14 Andre Arzumanyan Transaction Data Capture Device and System

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08149718A (en) * 1994-11-14 1996-06-07 Canon Inc Power supply
KR20000020712A (en) * 1998-09-23 2000-04-15 윤종용 Method for managing printer output material information
KR20080080952A (en) * 2007-03-02 2008-09-05 캐논 가부시끼가이샤 A printing system, a control method of printing system, and a storage medium
US20100010905A1 (en) * 2008-07-08 2010-01-14 Andre Arzumanyan Transaction Data Capture Device and System

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