WO2005057385A1 - A display apparatus management system and method thereof - Google Patents
A display apparatus management system and method thereof Download PDFInfo
- Publication number
- WO2005057385A1 WO2005057385A1 PCT/KR2004/002008 KR2004002008W WO2005057385A1 WO 2005057385 A1 WO2005057385 A1 WO 2005057385A1 KR 2004002008 W KR2004002008 W KR 2004002008W WO 2005057385 A1 WO2005057385 A1 WO 2005057385A1
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- WIPO (PCT)
- Prior art keywords
- display
- display apparatus
- client
- host
- controller
- Prior art date
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/2866—Architectures; Arrangements
- H04L67/30—Profiles
- H04L67/303—Terminal profiles
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/04—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller
- G09G2370/042—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller for monitor identification
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/04—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller
- G09G2370/045—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller using multiple communication channels, e.g. parallel and serial
- G09G2370/047—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller using multiple communication channels, e.g. parallel and serial using display data channel standard [DDC] communication
Definitions
- the present invention relates to a display apparatus management system, more particularly, to a display apparatus management system to identify and/or to manage a display device connected with each client from a host.
- a display apparatus management system to identify and/or to manage a display device connected with each client from a host.
- BACKGROUND ART As technology related to computers, displays, and networks advances, change is being made to the' ⁇ technology and manufacturing field related to displays and networks. Particularly, as network environments shift base from a central hosting approach having a central main frame to a client-server network approach, a network centering each server of a branch installed across a whole country or a globe ⁇ s being formed. Accordingly, computers used in business enterprises or government organizations are mutually connected as a network, centering one (or more) server, while the server is connected with an outer network such as an Internet network.
- each computer connected with the server is given a unique address such as an Internet protocol (IP) address. Accordingly, a computer connected with the server became manageable while various technologies to control each computer from the server have been suggested.
- IP Internet protocol
- the server is not supplied with information related to the monitor, such as a model name or a specification of the monitor. Even worse in some cases, the server is not able to substantially identify whether a computer is connected with a monitor.
- a display apparatus management system includes at least one display apparatus having a display part to display an image, a memory to store/remove data, and a display controller to control a display state of the image displayed on the display part; at least one client connected with each display apparatus and to apply an image signal to the display apparatus; and a host having an input part to provide a display identification (ID) to each display apparatus, a database registered with the display ID of each display apparatus inputted with the input part and a client ID given to each client, and a host controller to transfer the display ID to the display apparatus through the client to enable the display controller to store the display ID to the memory.
- ID display identification
- the client further comprises: a client controller to control the display controller to control the display state of the image displayed on the display part, and the host controller transfers a control signal to the client controller to enable the client controller to control the display controller.
- the client controller requests transmission of the display ID to the display apparatus when the client is powered, and transmits the display ID received from the display apparatus to the host when the display ID is received from the display apparatus.
- the host controller transmits a display locking signal to the client to enable the client controller to implement a lock function when the display ID of the display apparatus received from the client is not identical to the display ID corresponding to the client ID registered in the database.
- the host controller controls the client controller to apply a display acknowledgement signal to the display apparatus when the display ID of the display apparatus received from the client is identical to the display ID corresponding to the client ID registered in the database, and the display controller controls to display the image on the display part when the display acknowledgement signal is received from the display apparatus.
- the host controller requests the transmission of the display ID to the display apparatus when the client is powered, and transmits information that the display ID is not received to the host when the display ID is not received from the display apparatus, and the host controller transmits the display locking signal to the client to implement the lock function when the client transmits the information that display ID is not received.
- the host further comprises: a host display part to display the image, and the host controller requests transmission of the display ID to the display apparatus when the client is powered, and transmits the information to indicate that the display ID is not received when that the display ID is not received from the display apparatus, and the host controller displays a user interface screen to configure the display ID on the host display part when the client transmits the information that the display ID is not received.
- the host controller registers the inputted display ID as the display ID corresponding to the client ID of the client when the configuration of the display ID of the display apparatus is selected through the user interface screen and the display ID of the display apparatus is inputted through the input part .
- the host controller transmits the inputted display ID to the client when a configuration of the display ID of the display apparatus is selected through the user interface screen and the display ID of the display apparatus is inputted through the input part .
- the client controller transmits the display ID transmitted from the host to the display apparatus, and the display controller stores the display ID transmitted from the client controller in the memory.
- the host controller transmits the display locking signal to the client to enable the client controller to implement the lock function when the configuration of the display ID of the display apparatus is not selected through the user interface screen.
- the client controller blocks the image signal applied to the display apparatus from the client when the display locking signal is received.
- the client controller transmits a control signal corresponding to the display locking signal to the display apparatus when the display locking signal is received, and the display controller controls so that the image on the display part is not displayed when the control signal corresponding to the display locking signal is received.
- the host controller controls to display the user interface screen on the host display part to manage an operation state of the display apparatus.
- the host controller transmits a power-off signal corresponding to a selected power-off when the power-off of the display apparatus is selected through the user interface screen, and the client controller controls the display controller to turn off the power of the display apparatus when that the power-off signal is received from the host.
- the host controller transmits a power-on signal corresponding to a selected power-on when the power-on of the display apparatus is selected through the user interface screen, and the client controller controls the display controller to turn on the power of the display apparatus when the power-on signal is received from the host.
- the display controller transmits a power-on/off state signal corresponding to a on/off state of the display apparatus through the client, and the host controller displays the power-on/off state of the display apparatus on the user interface screen based on the received power-on/off state signal when the power-on/off state signal is received.
- the host controller counts a time of the power-on state of the display apparatus based the received power-on/off state signal, and accumulates the time of the counted power-on state to be registered in the database.
- the display apparatus further comprises: an electrically erasable programmable read only memory (EEPROM) to store configuration variables to control a display state of the image, and the memory has a memory area allocated to store and remove data with respect to the EEPROM.
- the display controller reads the display ID stored in the memory and transmits the display ID to the client when a client requests the display ID.
- EEPROM electrically erasable programmable read only memory
- the display controller detects whether the display acknowledgement signal is received from the client and controls so that the image on the display part is not displayed when the display acknowledgement signal is not received from the client .
- FIG. 4A through 4C are control flow charts of a management method of the display apparatus management system shown in FIG.l;
- FIG. 5 is a control flow chart of a display management method of the display apparatus management system according to an aspect of the present invention.
- MODES FOR CARRYING OUT THE INVENTION Reference will now be made in detail to the aspects of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout. The aspects are described below in order to explain the present invention by referring to the figures.
- a display apparatus management system according to an aspect of the present invention comprises: at least one display apparatus 50, clients 30 connected with the respective display apparatuses 50, and a host connected with each client 30 and a network.
- FIG. 1 and FIG. 2 a display apparatus management system according to an aspect of the present invention comprises: at least one display apparatus 50, clients 30 connected with the respective display apparatuses 50, and a host connected with each client 30 and a network.
- FIG. 1 and FIG. 2 a display
- the display apparatus 50 comprises: a display part 55 to display a picture, an interface 52 to receive an image signal outputted from the clients 30, a signal processor 54 to change the image signal inputted from the interface 52 to the image signal displayable via the display part 55, and a display controller 51 to control the above components.
- the interface 52 receives the image signal outputted from a graphic controller 32 of the client 30.
- the image signal received by the interface 52 comprises red, green, blue (R, G, B) signals and a horizontal/vertical synchronization signal (H/V sync signal) .
- the interface 52 is connectible to the graphic controller 32 of the client 30 via a D-sub connector, a digital video interactive (DVI) terminal, or via similar and/or equivalent connectors and methods .
- the interface 52 according to an aspect of the present invention supports an interface bilateral exchange of data with the clients 30.
- the client 30 transmits data with the exception of the image signal, such as various control signals applied to the display controller 51, and the display apparatus 50 transmits the data to the client 30.
- the interface 52 according to an aspect of the present invention has a display data channel (DDC) function that enables an exchange of the data with the client 30.
- DDC display data channel
- another interface to exchange data such as a universal serial bus (USB) interface
- the DDC function is one standard set by the video electronics standard association (VESA) to realize an automatic configuration, or so-called plug-and-play function, which regulates signal lines and order thereof by the D-sub connector when data is exchanged between the graphic controller 32 of the client 30 and the display controller 51 of the display apparatus 50.
- VESA video electronics standard association
- plug-and-play function which regulates signal lines and order thereof by the D-sub connector when data is exchanged between the graphic controller 32 of the client 30 and the display controller 51 of the display apparatus 50.
- VESA video electronics standard association
- plug-and-play function so-called plug-and-play function
- the signal processor 54 comprises an A/D converter to convert the H/V sync signal and the R, G, B signals inputted from the interface 52 to a digital image signal, and a sealer to scale the digital image signal outputted by the A/D converter.
- the display part 55 comprises an LCD panel to display an image, a panel driver to drive the LCD panel, and a back light unit to supply light to the LCD panel.
- the signal processor 54 comprises an amplifier to amplify the image signal inputted through the interface 52 and a vertical/horizontal deflector to deflect an electron beam based on the H/V sync signal.
- the display part 55 comprises a cathode ray tube.
- PDPs plasma display panels
- OLEDs organic light emitting diode displays
- the display controller 51 controls the signal processor 54 and the display part 55 to control a display state of the image based on variables previously set to control the display state of the image displayed on the display part 55.
- the variables are stored in a nonvolatile memory, such as an Electrically Erasable Programmable Read-Only Memory (EEPROM, not shown) .
- the display controller 51 according to an aspect of the present invention implements a control operation corresponding to a control signal received based on a predetermined control signal received from the client 30. The control operation is further described below.
- a memory 53 according to an aspect of the present invention is a data storage apparatus that allows data to be stored and/or removed.
- the display controller 51 stores display ID transferred from a host controller 11 through the client 30 in the memory 53, reads the stored display ID from the memory 53 according to a request from the client 30, and transfers the display ID to the client 30 via the interface 52.
- the memory 53 according to an aspect of the present invention is installed with an additional memory 53 to store the display ID, or may be provided by allocating an area of the EEPROM storing the erasable variables.
- other types of memory can be used.
- the client 30 such as a computer that applies the image signal to the display apparatus 50, comprises a central processing unit (CPU) 36, the graphic controller 32 to process the image signal outputted to the display apparatus 50, a hard disk drive 38 to store an operating system and a plurality of application programs that run based on the operating system, a client network part 33 to process exchange of data with the host 10, and a system bus 37 to mutually connect the above components.
- the graphic controller 32 supports the DDC function to enable a bilateral communication with the display apparatus 50, and separately comprises a USB interface (not shown) corresponding to the USB interface of the display apparatus 50 when the interface 52 of the display apparatus 50 supports the USB interface.
- a client controller 31 controls the display controller 51 to control a display state of the image displayed on the display part 55.
- the client controller 31 displays a user interface screen to set the display state of the image on the display apparatus 50.
- the client controller 31 applies a control signal corresponding to the configuration variables set through the user interface screen to the display apparatus 50 through the graphic controller 32.
- the display controller 51 of the display apparatus 50 reconfigures the configuration variables used to control the display state of the image displayed on the display part 55 based on the control signal corresponding to the received configuration variables, and stores the configuration variables in the EEPROM.
- the display controller 51 controls the display state of the image displayed on the display part 55 based on the reconfigured configuration variables. Further, the client controller 31 requests transmission of the display ID to the display apparatus 50 when the display apparatus 50 is initially connected with the client 30. The client controller 31 transmits confirmation on whether the display ID is received from the display apparatus 50, or information on the display ID when the display ID is received to the host 10. According to an aspect of the present invention, the client controller 31 applies the control signal corresponding to the display apparatus 50 according to a predetermined control signal received from the host 10, or implements a predetermined control operation corresponding to the received control signal, which will be described below in detail.
- the client controller 31 is an application program that runs based on the operation system of the client 30, and is installed and stored in the hard disk drive 38.
- the host 10 according to an aspect of the present invention, such as a server, is connected with each client 30 through a network such as local area network (LAN) , and relays/manages transmission and reception of the data between the clients 30 and/or an exchange of the data between networks, such as Internet, and each host 10.
- LAN local area network
- the connection can be through other networks, both wired and wireless.
- the host 10 comprises: a host CPU 16, a hard disk drive 18 to store the operation system or the plurality of programs that run based on the operation system, a host network part 13 to process the exchange of the data with each client 30, a host display part 15 to display the image, an input part 14 with which the user inputs key signals, and a system bus 17 to mutually connect the above components.
- the host 10 comprises: a database 12 registered with the display ID of the display apparatus 50 inputted through the input part 14 and a client ID given to each client 30, and a host controller 11 to manage/control the display apparatus 50.
- the database 12 can be disposed on a recording medium outside of the host 10, such as a removable media or media connected with the host 10 across a network.
- the client ID of each client 30 registered in the database 12 is input through the host 10 by the user when the host 10 is connected with the client 30.
- the host controller 11 automatically registers the client ID using an IP address allocated to each client 30.
- the display ID registered in the database 12 is registered corresponding to the client ID of the client 30 connected with the respective display apparatus 50 corresponding to the display ID. Accordingly, the user identifies the information on the display apparatus 50 connected with each client 30 through the host 10.
- the database 12 stores information in relation to an on/off- state of each display apparatus 50, and an accumulated time during the on-state of each display apparatus 50. Accordingly, the user identifies the on/off state of each display apparatus 50 through the host 10, and checks the time during which the display apparatus 50 is used. The operation to store the information on the on/off state of the display apparatus 50 and the accumulated time during the on-state of each display apparatus 50 will be described below.
- the database 12 is registered with an Extended Display Identification Data (EDID) data of the display apparatus 50 corresponding to each registered display ID.
- EDID Extended Display Identification Data
- the host controller 11 provides a user interface screen 70 to manage the display apparatus 50.
- the host controller 11 controls to display the user interface screen 70 on the host display part 15 when the user requests.
- the user inputs the display ID of the display apparatus 50, or receives information on the display apparatus 50 and/or controls the display apparatus 50 through the user interface screen 70.
- FIG. 3 illustrates the user interface screen 70 according to an aspect of the present invention.
- the user interface screen 70 comprises: an ID selection button 71 to activate a window to allow input of the display ID, an information selection button 72 to activate a window to receive the information in relation to the display apparatus 50, and a control selection button 73 to activate a window to control the display apparatus 50.
- the user interface screen 70 may be in various forms, thus the buttons activated according to the respective selection of buttons 71, 72, and 73 can be realized in various forms, and/or be associated with other functions.
- the host controller 11 transmits the display ID to the display apparatus 50 through the client 30 corresponding to the inputted display ID.
- the display controller 51 of the display apparatus 50 that receives the display ID stores the received display ID in the memory 53.
- the host controller 11 according to an aspect of the present invention is an application program that runs on the operating system of the host 10, and is installed and stored in the hard disk drive 18.
- FIGS. 4A through 4C an operation to register the display ID, for example, when the client 30 is supplied with power by the display apparatus management system according to an aspect of the present invention is described with reference to FIGS. 4A through 4C. While not required in all aspects of the invention, it is understood that the method of FIGS. 4A through 4C can be implemented by computer software implemented on one or more processors or controllers, where the computer software is stored on at least one computer readable medium. As shown in FIG.
- the client controller 31 when the client 30 and the display apparatus 50 are supplied with the power and the client 30 is connected with the display apparatus 50 at operation 100, the client controller 31 requests transmission of the display ID to the display apparatus 50 at operation 101, and waits to receive the display ID from the display apparatus 50 at operation 102.
- the client controller 31 transmits the display ID received from display apparatus 50 to the host 10 through the client network part 33 at operation 103.
- the memory 53 of the display apparatus 50 stores the display ID in advance, and the display controller 51 reads the stored display ID from the memory 53 according to the request of the client 30 and transmits the display ID to the client 30 through the interface 52.
- the host controller 11 determines whether the received display ID is identical to the display ID previously registered in the database 12 at operation 104.
- the host controller 11 transmits a display acknowledgement signal through the host network part 13 at operation 105.
- the client controller 31 relays the display acknowledgement signal to the display apparatus 50 at operation 106.
- the display controller 51 controls to normally display the image displayed on the display part 55 based on configuration variables previously stored in the EEPROM at operation 107.
- the host controller 11 displays the user interface screen 70 to allow the display ID to be set using the host display part 15.
- the display ID is not identical to the display ID previously registered in the database 12
- the database 12 is not registered with the display ID corresponding to the client ID.
- the user interface screen 70 displays a warning message to indicate the display ID does not match.
- the user determines whether to set the display ID through the user interface screen 70.
- the host controller 11 registers the display ID inputted through the input part 14 as the display ID corresponding to the client ID of the corresponding client 30 in the database 12 at operation 112. Further, the host controller 11 transmits the display ID inputted through the input part 14 to the client 30 through the host network part 13 at operation 112.
- the client controller 31 transmits the received display ID to the display apparatus 50 at operation 113.
- the display controller 51 stores the received display ID in the memory 53 at operation 114.
- the host controller 11 transmits the display acknowledgement signal when transmitting the display ID inputted through the input part 14.
- the client controller 31 transmits the display acknowledgement signal together when transmitting the display ID to the display apparatus 50.
- the display controller 51 controls the display apparatus 50 to accurately display the image displayed on the display part 55 when the display acknowledgement signal is received from the client 30. Further, when the display ID is received from the host 10, the client controller 31 recognizes the display ID as the display acknowledgement signal to generate/transmit additional display acknowledgement signal to the display apparatus 50. When the display ID is received, the display controller 51 recognizes the received display ID as the display acknowledgement signal to implement a same function.
- the host controller 11 transmits a display locking signal corresponding to a lock function to the client 30 through the host network part 13 at operation 116.
- the client controller 31 implements the predetermined lock function when the display locking signal is received through the client network part 33 at operation 117.
- the lock function by the client controller 31 comprises a function that the client controller 31 blocks the image signal applied to the display apparatus 50.
- the lock function by the client controller 31 comprises a function that the client controller 31 applies a control signal corresponding to the received display locking signal to the display apparatus 50.
- the display controller 51 controls the display apparatus 50 such that the image on the display part 55 is not displayed.
- the display controller 51 controls the signal processor 54 such that the image on the display part 55 is not displayed, and may block the image signal inputted from the interface 52.
- the client controller 31 transmits information that the display ID is not received to the host 10 at operation 120.
- a display ID is not previously stored in the memory 53 of the display apparatus 50, and/or the display apparatus 50 does not support a function of the display apparatus 50.
- the host controller 11 When the host controller 11 receives the information that the display ID is not received through the host network part 13 from the client 30, the host controller 11 displays the user interface screen 70 on the host display part 15 at operation 121.
- the user selects whether the display ID is set through the user interface screen 70 at operation 122.
- the host 10, the client 30, and the display apparatus 50 implement operations 124 through 127 corresponding to operations 112 through 115, respectively.
- the display ID is stored to the memory 53 of the display apparatus 50 at operation 126, and the image is normally displayed on the display apparatus 50 at operation 127.
- the host controller 11 transmits the display ID and/or the display acknowledgement signal to the client 30.
- a management method of a display apparatus management system according to an aspect of the present invention will be described with reference to FIG. 5.
- the display apparatus management system implements a normal operation in accordance with the client ID of the client 30 and the display ID of the display apparatus 50 previously registered in the database 12.
- the display controller 51 supplies the client 30 through the interface 52 with a power—on state signal corresponding to a state that the client 30 is powered on at operation 131.
- the client controller 31 transmits the received power-on state signal to the host 10 through the client network part 33 at operation 132.
- the host controller 11 recognizes that the display apparatus 50 is in an on- state at operation 133 and begins counting a time during which the display apparatus 50 is in the on-state at operationl34.
- the host controller 11 checks if a power-off state signal is received through the host network part 13 at operationl35.
- the host controller 11 recognizes that the display apparatus 50 is in an off-state at operation 136 and accumulates the time counted as the on-state of the display apparatus 50 to an on-state time of the display apparatus 50 previously registered.
- the host controller 11 registers the accumulated time in the database 12 at operation 137.
- the power-off state signal received through the host network part 13 is transmitted using operations similar to operations 130 through 132 shown in FIG. 5.
- the host controller 11 reads information regarding usage time of each display apparatus 50 from the database 12 to provide the information in relation to the usage of time through the user interface screen 70 when the user requests the information. Accordingly, the user may check a total usage time of each display apparatus 50 to determine status of the display apparatus and prevent unauthorized power-off of the display apparatus .
- a management method of a display apparatus management system according to an aspect of the present invention will be described.
- the user may identify the on/off state of the display apparatus 50 as identified by the management method of the display apparatus management system, according to ' the method described above in FIG. 5, using the user interface screen 70.
- the user wants to turn on or off a particular display apparatus 50
- the user selects a power-on/off function of the corresponding display apparatus 50 through the user interface screen 70.
- the host controller 11 applies a control signal corresponding to the power-on/off function to the display apparatus 50 through client 30, and the display apparatus
- the display controller 51 transmits the power-on/off state signal to the host 10 through the client 30 using the management method according to an aspect of the present invention.
- the host controller 11 and/or the client controller 31 transfers the display acknowledgement signal and/or a control signal corresponding to the lock function to the display apparatus 50 , and the display controller 51 determines whether to display the image normally based on the display acknowledgement signal and the control signal corresponding to the lock function .
- the display controller 51 controls such that the image on the display part 55 is not displayed when the display acknowledgement signal is not received from the client 30 , regardless of whether the control signal corresponding to the lock function is received .
- the client controller 31 includes the information on the display ID corresponding to the corresponding client ID registered in the database 12 of the host 12 . Accordingly, when the display apparatus 50 having the display ID corresponding to the client ID is connected, the client controller 31 implements a normal operation of the display apparatus 50 without additional identification operation by the host 10 by transmitting the display acknowledgement signal to the display apparatus 50 . Further, when the display ID is not received from the display apparatus 50 , or when the received display ID is different from the display ID corresponding to the corresponding client ID, the client controller 31 provides the lock function to the display apparatus 50 by not transferring the display acknowledgement signal to the display apparatus 50, regardless of whether the display ID is configured from the host 10.
- a display apparatus management system identifies/ manages the display apparatus 50 connected with each client 30 from the host 10 by providing at least one display apparatus 50 including the display part 55 to display the image, the memory 53 to store and remove the data, and the display controller 51 to control the display state of the image displayed on the display part 55; at least one client 30 connected with each display apparatus 50, to apply the image signal; and the host 10 having the input part 14 to input the respective display ID of each display apparatus 50, the database 12 registered with the display ID of each display apparatus 50 inputted with the input part 14 and the client ID given to each client 30, and the host controller 11 to transfer the display ID to the display apparatus 50 through the client 30 so that the display controller 51 controls to store the display ID in the memory 53.
- the display controller 51 detects display acknowledgement signal from the client 30 and controls such that the image on the display part 55 is not displayed when the display acknowledgement signal is not received from the client 30, the host 10 detects when the display apparatus 50 is stolen or connected with another computer. While described in terms of displays, it is understood that the present invention can be used to identify and/or control additional components connected with a client, such as printers, cameras, personal digital assistants (PDAs) , audio equipment, and/or network home appliances. Moreover, while described in terms of turning the client on and off, it is understood that the host can provide other control signals to control the client and/or other devices connected with the client.
- the display apparatus management system identifies and/or manages the display apparatus connected with each client from the host . Further, because the lock function to the display apparatus is implemented, the present invention provides protection against theft.
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EP04748528A EP1692603A4 (en) | 2003-12-13 | 2004-08-10 | A display apparatus management system and method thereof |
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KR10-2003-0090923 | 2003-12-13 | ||
KR1020030090923A KR100810515B1 (en) | 2003-12-13 | 2003-12-13 | Management system of display |
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US (1) | US7831714B2 (en) |
EP (1) | EP1692603A4 (en) |
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Also Published As
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US20050132036A1 (en) | 2005-06-16 |
KR100810515B1 (en) | 2008-03-10 |
US7831714B2 (en) | 2010-11-09 |
EP1692603A4 (en) | 2010-11-10 |
KR20050058899A (en) | 2005-06-17 |
CN100543635C (en) | 2009-09-23 |
CN1894649A (en) | 2007-01-10 |
EP1692603A1 (en) | 2006-08-23 |
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