Abstract:
An apparatus of setting-up configuration of a display device includes a display device and a configuration set-up device. The configuration set-up device downloads configuration data from an external device and stores the downloaded data. When the configuration set-up device uploads the configuration data to the display device, configuration of the display device is automatically set-up according to the uploaded configuration data, which define a set of options associated with operation of the display device.

Description:
This application claims the benefit of Korean Patent Application No. 10-2004-0098394, filed on Nov. 29, 2004, which is hereby incorporated by reference as if fully set forth herein. 
     BACKGROUND OF THE INVENTION 
     1. Field of the Invention 
     The present invention relates to a display system, and more particularly, to a method and apparatus of setting-up configuration of display devices. 
     2. Discussion of the Related Art 
     Generally, a remote controller is used to remotely control operation of a display device. The remote controller can remotely control various functions of the display device, such as external input option, channel option, volume option, and screen option (contrast, brightness, sharpness, tint, color, noise removal, and so on). Particularly, if a plurality of display devices are used in public places such as a hotel and an exhibition hall, since a plurality of users sometimes shift functions/options of the display devices using a remote controller, the shifted functions/options should be restored to the original functions/options. For example, functions/options of the display device setup/shifted by a guest of a hotel are initiated after the guest has checked out. Also, in case of the exhibition hall that uses the display device, video and audio of the display device are shifted to match an exhibition concept before the exhibition hall is opened. To shift and set-up functions/options of the display devices, a central computer connected to the display devices through a network controls the respective display devices. However, a problem arises in that much cost is required to construct a network for connecting the display devices to the central computer through a cable. 
     SUMMARY OF THE INVENTION 
     Accordingly, the present invention is directed to a display system and a method for controlling the same that substantially obviates one or more problems due to limitations and disadvantages of the related art. 
     An object of the present invention is to provide a display system and a method for controlling the same, in which functions/options of a display device are simply set-up without a network. 
     Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings. 
     To achieve these objects and other advantages and in accordance with the purpose of the invention, as embodied and broadly described herein, a method setting-up configuration of a display device includes the steps of downloading configuration data from an external device (e.g., a display device) to a configuration set-up device, storing the downloaded configuration data in a memory included in the configuration set-up device, and uploading the configuration data stored in the memory to a display device. When the data is uploaded, the configuration of the display device is automatically set-up according to the uploaded configuration data. 
     The configuration data define a unique set of options associated with the operation of the display device. For example, the set of options include at least one of channel menu display, channel change, input mode change, fixed volume, max volume, on-screen display (OSD), remote control operation, local key operation, on monitor operation, and auto off operation options. The configuration data may be downloaded through any one of an RS232C cable line, an IEEE1394 cable line, and a USB cable line. 
     In another aspect of the present invention, a method of setting-up configuration of a television (TV) receiver includes the steps of downloading a plurality of configuration data sets from an external device to a configuration set-up device, storing the downloaded configuration data sets in a memory included in the configuration set-up device, and selecting one of the stored data sets and uploading the selected data set to a plurality of television (TV) receivers by wireless data communication. When the selected data set is uploaded, the configuration of the display devices are automatically set-up according to the uploaded data set. 
     In another aspect of the present invention, an apparatus of setting-up configuration of a display device includes a display device and a configuration set-up device. The configuration set-up device initially downloads configuration data from an external device (e.g., a display device) and stores the downloaded configuration data. When user commands for data-upload are received, the configuration set-up device uploads the configuration data to the display device. Then the configuration of the display device is automatically set-up according to the uploaded configuration data. 
     The configuration set-up device includes a receiver, a memory, a transmitter, and a controller. The receiver receives the configuration data from the external device, which is then stored in the memory. On the other hand, the transmitter transmits the configuration data stored in the memory to the display device. The controller controls operations of the receiver, the memory, and the transmitter according to user&#39;s commands. 
     In another aspect of the present invention, an apparatus of setting-up configuration of a plurality of television (TV) receivers includes a plurality TV receivers and a configuration set-up device. The set-up device downloads a plurality of configuration data sets from an external device, stores the downloaded data sets, and uploads selected one of the data sets to each of the plurality of TV receivers. When the data is uploaded, configuration of each TV receiver is automatically set-up according to the uploaded data set. 
     It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principle of the invention. In the drawings: 
         FIG. 1  is a block diagram illustrating a display system according to the present invention; 
         FIG. 2  is a block diagram specifically illustrating a set-up device according to the present invention; 
         FIG. 3  illustrates appearance of a set-up device according to the present invention; 
         FIG. 4  is a block diagram specifically illustrating a display device according to the present invention; 
         FIG. 5A  illustrates a starting pulse output from a set-up device according to the present invention; 
         FIG. 5B  is a timing chart of the starting pulse of  FIG. 5A ; 
         FIG. 5C  illustrates a data pulse output from a set-up device according to the present invention; 
         FIG. 5D  illustrates packet data output from a set-up device according to the present invention; 
         FIG. 5E  is s a timing chart illustrating an interval between packet data; 
         FIG. 6  is a flow chart illustrating a method for downloading set-up information according to the present invention; 
         FIG. 7  illustrates a window for inputting a user&#39;s password in a set-up device according to the present invention; 
         FIG. 8  illustrates an installation menu screen of a set-up device according to the present invention; 
         FIG. 9  illustrates an example of set-up information displayed on a set-up device according to the present invention; and 
         FIG. 10  illustrates an example of channel information displayed on a display device according to the present invention. 
     
    
    
     DETAILED DESCRIPTION OF THE INVENTION 
     Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts. 
       FIG. 1  is a block diagram illustrating an apparatus of setting-up configuration of a display device according to the present invention. As shown in  FIG. 1 , the appratus includes a configuration set-up device  100  and at least one display device  200 . 
     The set-up device  100  is connected to the display device  200 , configuration of which is set-up at user&#39;s desired functions/options, through a cable such as RS232C cable  300 , IEEE1394 cable or USB cable, receives set-up information from the display device  200 , and stores the received set-up information therein. The set-up information is to set-up functions and options associated with operation of the display device  200  and includes information on functions and options previously set by a user. For example, the set-up information includes automatic on/off function information, automatic screen option information, channel option information (channel number, desired channel, channel preference, and so on), audio option information (volume level, maximum volume, stereo, mono, and so on), and screen option information (contrast, brightness, sharpness, tint, color, noise removal, and so on). The set-up device  100  stores at least one set-up information and a set-up information list therein, and corrects/shifts the stored set-up information. The set-up device  100  transmits at least one set-up information selected by the user from the set-up information list to the display device  200  through a wireless transmitter such as an infrared transmitter. 
       FIG. 2  is a block diagram specifically illustrating the set-up device  100  according to the present invention. Referring to  FIG. 2 , a receiver  110  receives the set-up information from the display device  200  through the RS232C cable  300 . A controller  120  receives the set-up information from the receiver  110 , determines and modulates (frequency modulation and code modulation) the set-up information, and updates the set-up information list stored in a memory  140  on the basis of the received set-up information. A transmitter  150  converts the set-up information stored in the memory  140  to an infrared ray (IR) signal and transmits the infrared ray signal to the display device  200 . A user-interface unit (e.g., a key input unit)  130  receives various commands input by the user, such as storing command, transmitting command and command to correct the set-up information, and transmits the received user&#39;s commands to the controller  120 . 
     The set-up device  100  may further include a display unit (not illustrated). The display unit displays the set-up information stored in the memory  140  and the set-up information list. The user can correct the set-up information displayed on the display portion and select and output desired set-up information from the displayed set-up information list. 
       FIG. 3  illustrates one example of the set-up device  100 . Referring to  FIG. 3 , the key input portion  130  of the set-up device  100  includes a plurality of receiving keys and a plurality of transmitting keys. If the user selects the receiving keys, the set-up device  100  receives the set-up information from the display device  200  through the RS232C cable and stores the received set-up information in the memory  140 . The set-up device  100  stores four different set-up information in the memory  140  depending on four keys of the receiving keys and outputs the four different set-up information to the transmitter  150  depending on four keys of the transmitting keys. 
       FIG. 4  is a block diagram illustrating the display device  200  shown in  FIG. 1 . The display device  200  may be a monitor or TV formed of a liquid crystal display (LCD), a plasma display panel (PDP), or a cathode ray tube (CRT). Referring to  FIG. 4 , a receiver  210  of the display device  200  receives the set-up information transmitted from the set-up device  100  through the infrared ray signal, and receives user&#39;s command from a remote controller (not shown). The receiver  210  transmits the set-up information and the user&#39;s command to a microcomputer  230 . The microcomputer  230  stores the received set-up information in a memory  240  and sets up functions/options of the display device  200 , such as screen option function, audio option, screen option and channel option, on the basis of the stored set-up information. Also, the microcomputer  230  outputs the set-up information stored in the memory  240  through the RS232C cable  300  depending on the user&#39;s command. The output set-up information is transmitted to the set-up device  100  through the RS232C cable  300 . Lastly, the display device  200  includes a display unit  250  for displaying video. 
       FIG. 5A  illustrates a format of a starting pulse indicative of transmission of the set-up information output from the transmitter  150  of the set-up device  100 . Referring to  FIG. 5A , the starting pulse of the set-up information includes a header pulse (or leader pulse), custom codes of 8 bits, data codes of 8 bits, and an ending signal bit. In the embodiment of the present invention, the custom codes are 0x7F, 0x5F, 0x3F, and 0x1F. 
       FIG. 5B  is a timing chart of the starting pulse of  FIG. 5A . Referring to  FIG. 5B , the header pulse maintains “high” level for 9 ms and “low” level for 4.5 ms. The data bits included in the custom codes and the data codes are generated after the header pulse. 
       FIG. 5C  illustrates a format of a data pulse output from the transmitter  150  of the set-up device  100  following the starting pulse. Referring to  FIG. 5C , the data pulse includes a packet number, nine data bit groups, cyclic redundancy check (CRC) data, and a stop bit. 
       FIG. 5D  repeatedly illustrates packet data including at least one data pulse. In the embodiment of the present invention, all the packet data are repeatedly transmitted two times or more to avoid any error. 
       FIG. 5E  is s a timing chart illustrating a time interval between the packet data output from the transmitter  150 . As shown in  FIG. 5E , the time interval of the packet data is 45 ms. 
       FIG. 6  is a flow chart illustrating a method for downloading set-up information according to the present invention. A method for shifting/correcting the set-up information stored in the set-up device  100  and a method for downloading the set-up information stored in the set-up device  100  into the display device  200  will be described as follows. 
     First, the user sets up functions/options of the display device  200  at a user&#39;s desire in step S 110 , and stores the set-up information of the display device  200  in the set-up device  100  in step S 120 . If the user turns the set-up device  100  on to use the set-up device  100 , the controller  120  of the set-up device  100  displays the window (display portion of the set-up device) for inputting the user&#39;s password as shown in  FIG. 7 . If the user inputs the password using the key input portion  130 , the controller  120  authenticates the user on the basis of the input password and then displays an installation menu on the screen of the set-up device  100  as shown in  FIG. 8 . The installation menu includes options such as “hotel mode setup” and “TV link loader.” For example, the user selects the option “hotel mode setup,” the controller  120  reads the set-up information stored in the memory  140  and displays the read set-up information on the screen of the set-up device  100 . Referring to  FIG. 9 , the displayed set-up information includes information for setting up functions and options of the display device  200 . The user can shift the displayed set-up information on the screen using the key input portion  130  of the set-up device  100 . 
     If the user selects the option “TV link loader” of  FIG. 8 , the controller  120  accesses another display device  200  through the transmitter  150 . If the user selects a desired set-up information from the set-up information stored in the memory  140  in step S 130 , the controller  120  transmits the selected set-up information to the display device  200  through the IR signal in step S 140 . At this time, the controller  120  can transmit the selected set-up information to a plurality of the display devices  200  at the same time. 
     After receiving the set-up information from the set-up device  100 , the display device  200  sets up various functions and options of the display device  200  on the basis of the received set-up information in step S 150 . 
       FIG. 10  illustrates channel information among the set-up information transmitted from the set-up device  100  to the display device  200 . The channel number of the display device  200  can be set-up on the basis of the transmitted channel information. 
     The set-up device  100  can be connected to a personal computer. The personal computer includes a program for downloading the set-up information stored in the set-up device  100  and uploading them to the set-up device  100 . The user can shift/correct the set-up information using the program included in the personal computer. 
     The aforementioned set-up device of the present invention can easily set-up functions and options of the display device. Particularly, the set-up device can collectively shift/setup functions/options of a plurality of the display devices used in public places such as a hotel and an exhibition hall. 
     It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventions. Thus, it is intended that the present invention covers the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.