WO2004068891A1 - Remote controller for transmitting display messages to display panel - Google Patents

Remote controller for transmitting display messages to display panel Download PDF

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Publication number
WO2004068891A1
WO2004068891A1 PCT/KR2004/000176 KR2004000176W WO2004068891A1 WO 2004068891 A1 WO2004068891 A1 WO 2004068891A1 KR 2004000176 W KR2004000176 W KR 2004000176W WO 2004068891 A1 WO2004068891 A1 WO 2004068891A1
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WO
WIPO (PCT)
Prior art keywords
display
unit
data
remote controller
display panel
Prior art date
Application number
PCT/KR2004/000176
Other languages
French (fr)
Inventor
Jae-Sel Son
Original Assignee
Jae-Sel Son
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jae-Sel Son filed Critical Jae-Sel Son
Publication of WO2004068891A1 publication Critical patent/WO2004068891A1/en

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link

Definitions

  • the present invention relates to a remote controller for transmitting display messages to a display panel, and more particularly, to a remote controller which includes a display unit, a storage unit and a wireless transmission unit so that display messages to be displayed on an outside display panel can be beforehand displayed (using a preview function thereof), the display messages can be stored in the storage unit and the display messages can be transmitted to the outside display panel in a wireless manner.
  • a display panel As well known in the art, display panels have recently become widely used as a medium for transmitting information such as advertisements or news both outdoors and indoors.
  • a display panel is formed such that a plurality of display modules are arranged horizontally and vertically, and LEDs, LCDs, PDPs or the like can be selectively used as the display module, if necessary.
  • a method for providing display messages on such a display panel is classified into a method for providing display messages or data in a wired manner through an additional message transmission device such as a PC connected to the display panel and a method for providing display messages or data in a wireless manner using a remote controller.
  • the conventional method for transmitting the display messages using the remote controller has the following problems. That is, since the messages to be transmitted to the display panel cannot be beforehand displayed and shown, it cannot be confirmed before transmission whether the display messages contain the correct contents. Further, since it has been designed such that only text data are can be input, display data such as images cannot be transmitted to the display panel.
  • the display messages can be transmitted to a specific display panel only by using a dedicated remote controller.
  • the display messages can be transmitted to a plurality of display panels, they cannot be distinguished from one another and thus the differentiated different display message cannot be transmitted to a specific display panel. Therefore, if the same or different display messages are to be transmitted to the respective display panels installed at a certain region, there is a problem in that all the remote controllers corresponding to the display panels should be operated and the same data input procedures should also be repeated.
  • the conventional remote controller does not have a function capable of storing previously transmitted display messages therein.
  • the transmitted display messages are to be sent again, there is another problem in that they should be again input and transmitted to the relevant display panels .
  • An object of the present invention is to provide a remote controller which comprises a display unit for confirming contents to be displayed on a display panel prior to the transmission of the contents by beforehand displaying the contents thereon and a wireless transmission unit for transmitting the confirmed display messages to the display panel in a wireless manner.
  • the remote controller of the present invention enables both text data and image data to be beforehand displayed thereon and then transmitted to the display panel.
  • Another object of the present invention is to provide a remote controller wherein an identity number for distinguishing a plurality of outdoor display panels from one another is inserted in the display messages so that the display messages can be transmitted to a specific display panel.
  • a further object of the present invention is to provide a remote controller wherein display messages to be displayed on a display panel are received from external devices and are then either transmitted to an outdoor display panel or stored in a storage unit thereof after their contents have been beforehand confirmed on a display unit thereof.
  • a remote controller for transmitting display messages to a display panel, which comprises an input unit for outputting signals corresponding to a plurality of buttons including input buttons and a transmission button; a storage unit for storing text and image data; a display unit for displaying the display messages to be displayed on the external display panel; a driving unit for the display unit for receiving the display messages in stream format and providing the display messages to be displayed to the display unit; a transmission unit for receiving the display messages in stream format and transmitting the display messages to the external display panel by wireless; and a microcomputer for receiving input button signals from the input unit, reading out the data stored in the storage unit, converting the data into the display messages in stream format and providing the converted display messages to the driving unit, and for receiving the transmission button signal from the input unit, converting the display messages in stream format into pixel- based graphic data recognizable in the external display panel and providing the graphic data to the transmission unit.
  • the input unit further includes a scroll button for setting scroll direction and speed for the display messages to be displayed on the display unit, and the microcomputer receives a scroll button signal from the input unit and further inserts information on the input scroll direction and speed into the display messages in stream format.
  • the input unit further includes a button for inputting a unique identity number used to select a specific external display panel, and the microcomputer receives the unique identity number from the input unit and further inserts the input identity number into the display messages converted into stream format.
  • the remote controller of the present invention may further comprise an external connection port through which the text and/or image data are received from an external device, wherein the microcomputer stores the text and/or image data received from the external device through the external connection port in the storage unit.
  • the input unit further includes a storage button
  • the microcomputer receives a storage button signal from the input unit, inversely converts the display messages in stream format into data in text and/or image format and stores the inversely converted data in the storage unit.
  • Fig. 1 is a block diagram showing the configuration of a remote controller for transmitting display messages to a display panel according to the present invention.
  • Fig. 2 is a flowchart illustrating a process of operating the remote controller for transmitting the display messages to the display panel according to the present invention.
  • Fig. 3 is a flowchart illustrating another process of operating the remote controller for transmitting the display messages to the display panel according to the present invention.
  • Display unit 170 Wireless transmission unit 200: Display panel 210: Wireless receiving unit
  • Control unit 230 Memory unit
  • Fig. 1 is a block diagram showing the general configuration of a display panel 200 and a remote controller 100 for transmitting display messages to the display panel according to the preferred embodiment of the present invention.
  • the remote controller 100 of the present invention comprises an input unit 110, an external connection port 120, a microcomputer 130, a storage unit 140, a driving unit 150, a display unit 160 and a wireless transmission unit 170.
  • the display panel 200 installed outdoors for receiving display messages from the remote controller 100 to display the received display messages thereon comprises a wireless receiving unit 210, a control unit 220, a memory unit 230, a driving unit 240 and a display unit 250. A function of respective components will be explained with reference to Fig. 1.
  • the input unit 110 is a means for outputting a predetermined signal in response to user operation and providing the signal to the microcomputer 130, and includes a plurality of buttons.
  • the plurality of buttons are not shown but may include input buttons, a transmission button, an On/Off button for the display panel and buttons for inputting characters or numbers.
  • the external connection port 120 is a means for connecting the remote controller 100 with external devices such as a PC, notebook computer or PDA, and may be implemented in the form of a common serial port, USB port or RS-232C port.
  • the microcomputer 130 is a processor for controlling the overall operation and function of the remote controller 100, and controls the process of the remote controller 100 in response to the signal input from the input unit 110. Further, the microcomputer stores data including the display messages provided from the external devices connected through the external connection port 120 into the storage unit 140 to be described later. At this time, the data provided from the external devices include character font data and image data stored in the storage unit 140 and data prepared by external devices for direct display onto the display panel.
  • the microcomputer 130 reads out the data stored in the storage unit 140 and then converts the read data into data streams, which can be displayed on the display panel, before they are transmitted to the driving unit 150 or wireless transmission unit 170 to be described later. That is, if the microcomputer 130 receives from the input unit 110 a signal instructing to transmit a display message to an outdoor display panel, it converts the data streams composed of character data and/or image data into pixel-based graphic data that can be recognized from the display panel 200.
  • the storage unit 140 is a means for storing fonts corresponding to the respective character and number buttons provided in the input unit 110 and display messages composed of text data input from the input unit or text/image data provided from external devices.
  • the storage unit 140 may use a disk, but preferably uses a memory means (e.g., a flash memory) for allowing the stored data to be easily stored and replaced.
  • the storage unit 140 can also store data streams composed of characters and/or images that a user inputs to display them on the display panel. That is, according to the present invention, the user can input the characters and/or images data to be displayed on the display panel through the input unit 110 so as to convert them into predetermined data streams. If desired, the user can read out the stored data streams again and transmit them to the display panel 200.
  • the driving unit 150 is a means for causing the character and/or image data
  • the driving unit 150 can control the display unit 160 in such a manner that the displayed character and/or image data are scrolled horizontally or vertically in response to a control signal provided from the microcomputer 130.
  • the driving unit 150 is composed of a driver element corresponding to a type of a display element for use in the display unit 160.
  • the display unit 160 is installed such that its display surface is exposed to the exterior of the remote controller 100, corresponds to a means for displaying the character and/or image data in response to the control of the aforementioned driving unit 150, and may be implemented using a LCD or organic electroluminescent display.
  • the wireless transmission unit 170 is a means for receiving pixel-based graphic data composed of character and/or image data, which will be displayed on the display panel 200 to be described later, from the microcomputer 130 and transmitting the graphic data to the wireless receiving unit 210 of the display panel 200 in a wireless manner. Further, the wireless transmission unit 170 can be easily implemented using an infrared receiving module, RF module, Bluetooth module or the like.
  • the display panel 200 shown in Fig. 1 receives the display messages provided from the aforementioned remote controller 100 in a wireless manner so that the received display messages can be displayed thereon.
  • the wireless receiving unit 210 of the display panel 200 is a means for receiving a wireless signal (data) from the wireless transmission unit 170, and can be implemented in the form of a communication means corresponding to the wireless transmission unit 170. In this embodiment of the present invention, wireless communication has been made using infrared rays.
  • the control unit 220 of the display panel 200 is a means for controlling the operation of the respective components provided in the display panel 200.
  • the control unit 220 receives an On/Off signal for the display panel from the remote controller 100 and converts the display panel 200 into an on or standby state. Further, the control unit 220 provides the driving unit 240 with the display messages transmitted from remote controller 100 to the wireless receiving unit 210 in a state where the display panel 200 is turned on.
  • the driving unit 240 corresponds to a kind of driver for driving the display unit 250 provided in the display panel 200, and controls the provision of the display unit 250 with pixel-based graphic data received from the control unit 220 such that the display messages such as characters and images input by the user can be displayed on the display unit 250.
  • the display unit 250 can be implemented using LCDs, LEDs or the like, and the driving unit 240 can also be composed of a driver corresponding thereto.
  • the remote controller 100 has functions capable of controlling a plurality of display panels 200 using a single remote controller, inputting both character data and image data, displaying beforehand the input data on the display unit prior to the transmission of data, and storing or reading the data into or from the storage unit. That is, the remote controller of the present invention can has a function of storing and reading out the data.
  • the process of performing the above respective functions will be explained in detail.
  • the remote controller 100 can input unique identity numbers corresponding to a plurality of display panels and store them in the storage unit 140 using the buttons of the input unit 110. Further, each of the respective display panels stores the identity number therein and responds to a wireless signal from the remote controller 100 only when the desired unique code corresponding to the identity number is included in the wireless signal received from the remote controller 100. Therefore, the user inputs the identity numbers corresponding to the plurality of display panels into the remote controller 100 and then transmits the signal containing the input identity number to the display panel to which the user wishes to transmit the display messages so that the relevant display panel can respond to the wireless signal.
  • the identity numbers are assigned predetermined serial numbers (e.g., 1, 2, 3 ...) for the locations of the display panels, respectively.
  • the input identity number is stored in the storage unit 140 by the microcomputer 130.
  • the microcomputer 130 reads out the identity number corresponding to the predetermined serial number input through the key input unit 110 and generates the signal corresponding thereto. Then, the graphic data (characters and/or images) with the signal inserted therein are transmitted in a wireless manner through the wireless transmission unit 170.
  • Each of the respective display panels receives wireless signals generated from the remote controller 100 through the wireless receiving unit 210.
  • a display panel of which identity number previously stored in the interior thereof (i.e., control unit 220) is identical to the code signal included in the wireless signal responds to the wireless signal transmitted from the remote controller 100. Therefore, the characters and images transmitted from the remote controller 100 are displayed on the display panel of which the internal identity number is identical to the unique code.
  • the input characters can be simultaneously transmitted to and displayed on a plurality of display panels by inputting a plurality of serial numbers for the desired display panels. Consequently, the remote controller 100 for controlling the display panels according to the present invention can coordinate control of a plurality of display panels through the aforementioned process of registering the respective display panels.
  • the remote controller 100 of the present invention can also transmit image data as well as character data to the display panel.
  • the image data to be transmitted should be stored in the storage unit 140 of the remote controller 100.
  • the image data can be stored in the storage unit either by storing the image data in the flash memory from an external device and then installing the flash memory into the remote controller or by connecting the remote controller 100 with an external device such as a personal computer or PDA and then downloading the image data or character strings to be displayed on the display panel from the external device.
  • the user connects the remote controller 100 with an external device via the external connection port 120 provided in the remote controller 100 and then downloads the image data stored in the external device or character strings written by the external device to the remote controller 100.
  • the external device can easily recognize their state of connection with the remote controller 100 through additional software installed thereto which has been widely employed in computer peripherals and the like.
  • the image data or character strings downloaded from the external device are stored in a certain area of the storage unit 140 by the microcomputer 130.
  • the user can access image data stored in the storage unit 140 and transmit the image data together with the character data.
  • Fig. 2 is a flowchart illustrating the process of controlling the display panel using the remote controller according to the embodiment of the present invention. The functions of inputting the character and image data in the remote controller for controlling the display panel and previewing the input data will be explained in detail with reference to this figure.
  • the user converts the operating mode of the remote controller 100 into a data input mode (step S210). Then, the user manipulates the key input unit 110 of the remote controller 100 and inputs characters to be displayed on the display panel 200 (step S203).
  • the microcomputer 130 reads out character fonts corresponding to the manipulation of the key input unit 110 and transfers the character fonts to the driving unit 150.
  • the driving unit 150 converts the character fonts into desired graphic data and provides the converted graphic data to the display unit 160 so that the characters input by the user can be displayed on the display unit 160 (step S205).
  • the respective characters input by the user can be displayed on the display unit 160 of the remote controller 100 through the repeated processes.
  • the microcomputer 130 converts the operating mode of the remote controller 100 into an image data input mode in response to the image input key signal.
  • the microcomputer 130 reads out the respective image data previously stored in the storage unit 140 and provides the read image data to the driving unit 150 so that the respective image data can be displayed on the display unit 160 (step S209). Therefore, a user can search respective images displayed on the display unit 160 and select the desired image.
  • step S211 If the user selects a desired image among the respective images displayed on the display unit 160 by manipulating the key input unit 110 (step S211), the microcomputer 130 recognizes the selected image as input data and causes the driving unit 150 to display the selected image on the display unit 160 (step S213).
  • the user can input both the image data and the desired characters by repeatedly performing the aforementioned steps S203 to S213.
  • step S217 If the user wishes to vertically or horizontally scroll the data input by himself or herself through the remote controller 100 when the input data are displayed on the display panel 200 (step S217), the user can determine relevant scroll information, i.e. scroll direction, scroll speed and the like. Therefore, if the user inputs the scroll information on the data input through the aforementioned respective processes using the key input unit 110 of the remote controller 100 (step S219), the microcomputer 130 recognizes the scroll information and sets it as scroll information on the data input by the user (step S221).
  • relevant scroll information i.e. scroll direction, scroll speed and the like. Therefore, if the user inputs the scroll information on the data input through the aforementioned respective processes using the key input unit 110 of the remote controller 100 (step S219), the microcomputer 130 recognizes the scroll information and sets it as scroll information on the data input by the user (step S221).
  • the user can confirm the actual picture by using a preview key button provided in the key input unit 110 of the remote controller 100. If the user inputs a preview key signal using the key input unit 110 (step S221), the microcomputer 130 causes the driving unit 150 to display the data streams input by the user through the aforementioned processes on the display unit 160. At this time, if the scroll information has been set through the above step S219, the microcomputer 130 controls the driving unit 150 such that the displayed data streams are scrolled in accordance with the scroll information (step S223). Accordingly, the user can beforehand confirm the picture to be actually displayed on the display panel 200 using the display unit 160 of the remote controller 100.
  • step S225 If the user inputs a transmission key signal using the key input unit 110 in order to transmit the data streams input by himself or herself to the display panel 200 (step S225), the microcomputer 130 converts the data streams into pixel-based graphic data in response to the transmission key signal input through the key input unit 110 and transfers the converted data to the wireless transmission unit 170. At this time, if scroll information has been set through the aforementioned step S219, the scroll information is inserted into and transferred together with the graphic data.
  • the wireless transmission unit 170 converts the graphic data provided from the microcomputer 130 into wireless signals and transmits the signals to the display panel 200 (step S227). At this time, when the user intends to transmit the data streams input through the aforementioned respective processes to the plurality of display panels, if any, the transmission can be made by inputting the serial numbers for the relevant display panel as described above.
  • the wireless receiving unit 210 of the display panel 200 receives the wireless signals from the remote controller 100, and the control unit 220 extracts the graphic data and scroll information from the received wireless signals and transfers the extracted graphic data and scroll information to the driving unit 240. Then, the driving unit 240 drives the display unit 250 in response to the graphic data and scroll information provided from the control unit 220 so that the data streams (characters and/or images) input by the user through the remote controller 100 can be displayed on the display unit 250.
  • step S225 Although it has been explained in the aforementioned step S225 that the data input by the user are transmitted to the display panel 200, the present invention also supports a function of storing the input data in the remote controller 100, and reading out the data and transmitting the data to the display panel 200 later. Now, such a function will be explained. If the user inputs a storage key signal using the key input unit 110 to store the data in the remote controller 100 without transmitting the data currently input in the remote controller 100 to the display panel 200 in the aforementioned step S225 (step S229), the microcomputer 130 stores the data streams composed of the data input by the user, i.e. characters and/or images, in the storage unit 140 in response to the storage key signal (step S231). At this time, if the user has also set the scroll information for the relevant data, the scroll information is stored together with the relevant data. Further, if necessary, the data stored in the storage unit 140 of the remote controller 100 can be read out, edited and transmitted to the display panel 200.
  • Fig. 3 is a flowchart illustrating the general process performed when the data stored in the remote controller 100 by the user in the aforementioned step S231 of Fig. 2 are read out and transmitted to the display panel 200.
  • step S301 If the user inputs a key signal instructing access of the data streams using the key input unit 110 of the remote controller 100 in a state where the data streams written through the remote controller 100 or the data streams downloaded from the external devices are already stored in the storage unit 140 of the remote controller 100 (step S301), the microcomputer 130 reads out the data streams stored in the storage unit 140 in response to the key signal and transmits a predetermined list of data to the driving unit 150. Then, the driving unit 150 causes the list of data to be displayed on the display unit 160 so that the user can select a desired data stream among the respective data streams included in the list (step S303).
  • step S305 the microcomputer 130 extracts only the selected data stream in response to the selection signal and transfers the extracted data stream to the driving unit 150. If the scroll information on the relevant data stream has been set in this process, this scroll information is transmitted to the driving unit 150 together with the relevant data stream. Therefore, since the data selected by the user are displayed on the display unit 160 under the control of the driving unit 150, the function of previewing the data stream selected by the user can be performed (step S307). Furthermore, when an arbitrary data stream stored in the remote controller 100 is selected and displayed on the display unit 160 through the above processes, the user can modify (edit) the data stream or transmit the data stream to one or more display panels.
  • step S309 If the user inputs a key signal for modifying the data using the key input unit 110 (step S309), the microcomputer 130 converts the operating mode of the remote controller 100 into a data edit mode in response to the key signal. Then, the microcomputer repeatedly performs the processes after step S203 of Fig. 2 so as to modify the data stream according to the key manipulation of the user, and either transmits the modified data stream to the display panel 200 or stores the data stream again in the remote controller 100.
  • step S311 if the user manipulates the key input unit 110 and inputs a transmission key signal to transmit the selected data stream to the display panel 200 without any data modification (step S311), the microcomputer 130 converts the selected data stream into pixel-based graphic data in response to the transmission key signal, and then, transmits the graphic data to the wireless transmission unit 170.
  • the microcomputer 130 combines the scroll information with the graphic data to transmit the combined data.
  • the wireless transmission unit 170 converts the graphic data provided from the microcomputer 130 into wireless signals and then transmits the wireless signals to the display panel 200 in a wireless manner (step S313).
  • the transmission can be made by inputting the serial numbers for the relevant display panels.
  • the processes of receiving and displaying the graphic data in and on the display panel 200 are the same as those explained in Fig. 2. Accordingly, through the respective processes shown in Fig. 3, the data stored in the remote controller 100 can be read out and transmitted to the display panel 200. If necessary, the data may be modified and then transmitted to the display panel.
  • a remote controller for controlling a display panel by using a remote controller for controlling a display panel according to the present invention, a plurality of display panels can be selectively controlled, and character and image data can be input and transmitted to the display panel. Further, predetermined data can be beforehand stored in the remote controller, and the stored data can be read out and transmitted later. If necessary, the stored data may be modified and transmitted. Furthermore, a picture to be actually displayed on the display panel can be confirmed on the remote controller before the relevant data are transmitted to the display panel. Accordingly, there is an advantage in that the display panel can be controlled more easily and conveniently by using the remote controller of the present invention having the above features. It is intended that the embodiment of the present invention described above and illustrated in the drawings should not be construed as limiting the technical spirit of the present invention. The scope of the present invention is defined only by the appended claims, and those skilled in the art can make various changes and modifications thereto without departing from its true spirit. Therefore, various changes and modifications obvious to those skilled in the art will fall within the scope of the present invention.

Abstract

The present invention relates to a remote controller for transmitting display messages to a display panel, and more particularly, to a remote controller which includes a separate display unit, a storage unit and a wireless transmission unit so that display messages to be displayed on an outside display panel can be beforehand displayed (using a preview function thereof), the display messages can be stored in the storage unit and the display messages can be transmitted to the outside display panel in a wireless manner. The remote controller for transmitting display messages to a display panel according to the present invention comprises an input unit; a storage unit; a display unit; a driving unit for the display unit; a transmission unit for receiving the display messages in stream format and transmitting the display messages to the external display panel in a wireless manner; and a microcomputer for receiving input button signals from the input unit to read out data stored in the storage unit, converting the data into the display messages in stream format and providing the converted display messages to the driving unit, and for receiving a transmission button signal from the input unit, converting the display messages in stream format into pixel-based graphic data recognizable in the external display panel and providing the graphic data to the transmission unit.

Description

REMOTE CONTROLLER FOR TRANSMITTING DISPLAY MESSAGES TO
DISPLAY PANEL
Technical field The present invention relates to a remote controller for transmitting display messages to a display panel, and more particularly, to a remote controller which includes a display unit, a storage unit and a wireless transmission unit so that display messages to be displayed on an outside display panel can be beforehand displayed (using a preview function thereof), the display messages can be stored in the storage unit and the display messages can be transmitted to the outside display panel in a wireless manner.
Background Art
As well known in the art, display panels have recently become widely used as a medium for transmitting information such as advertisements or news both outdoors and indoors. In general, a display panel is formed such that a plurality of display modules are arranged horizontally and vertically, and LEDs, LCDs, PDPs or the like can be selectively used as the display module, if necessary.
A method for providing display messages on such a display panel is classified into a method for providing display messages or data in a wired manner through an additional message transmission device such as a PC connected to the display panel and a method for providing display messages or data in a wireless manner using a remote controller.
The conventional method for transmitting the display messages using the remote controller has the following problems. That is, since the messages to be transmitted to the display panel cannot be beforehand displayed and shown, it cannot be confirmed before transmission whether the display messages contain the correct contents. Further, since it has been designed such that only text data are can be input, display data such as images cannot be transmitted to the display panel.
Furthermore, according to the conventional method for transmitting display messages using the remote controller, the display messages can be transmitted to a specific display panel only by using a dedicated remote controller. In addition, although the display messages can be transmitted to a plurality of display panels, they cannot be distinguished from one another and thus the differentiated different display message cannot be transmitted to a specific display panel. Therefore, if the same or different display messages are to be transmitted to the respective display panels installed at a certain region, there is a problem in that all the remote controllers corresponding to the display panels should be operated and the same data input procedures should also be repeated.
In addition, the conventional remote controller does not have a function capable of storing previously transmitted display messages therein. Thus, if the transmitted display messages are to be sent again, there is another problem in that they should be again input and transmitted to the relevant display panels .
Disclosure of Invention
Accordingly, the present invention is conceived to solve the aforementioned problems in the prior art. An object of the present invention is to provide a remote controller which comprises a display unit for confirming contents to be displayed on a display panel prior to the transmission of the contents by beforehand displaying the contents thereon and a wireless transmission unit for transmitting the confirmed display messages to the display panel in a wireless manner. In particular, the remote controller of the present invention enables both text data and image data to be beforehand displayed thereon and then transmitted to the display panel.
Another object of the present invention is to provide a remote controller wherein an identity number for distinguishing a plurality of outdoor display panels from one another is inserted in the display messages so that the display messages can be transmitted to a specific display panel. A further object of the present invention is to provide a remote controller wherein display messages to be displayed on a display panel are received from external devices and are then either transmitted to an outdoor display panel or stored in a storage unit thereof after their contents have been beforehand confirmed on a display unit thereof.
According to an aspect of the present invention for achieving the objects, there is provided a remote controller for transmitting display messages to a display panel, which comprises an input unit for outputting signals corresponding to a plurality of buttons including input buttons and a transmission button; a storage unit for storing text and image data; a display unit for displaying the display messages to be displayed on the external display panel; a driving unit for the display unit for receiving the display messages in stream format and providing the display messages to be displayed to the display unit; a transmission unit for receiving the display messages in stream format and transmitting the display messages to the external display panel by wireless; and a microcomputer for receiving input button signals from the input unit, reading out the data stored in the storage unit, converting the data into the display messages in stream format and providing the converted display messages to the driving unit, and for receiving the transmission button signal from the input unit, converting the display messages in stream format into pixel- based graphic data recognizable in the external display panel and providing the graphic data to the transmission unit.
Preferably, the input unit further includes a scroll button for setting scroll direction and speed for the display messages to be displayed on the display unit, and the microcomputer receives a scroll button signal from the input unit and further inserts information on the input scroll direction and speed into the display messages in stream format.
More preferably, the input unit further includes a button for inputting a unique identity number used to select a specific external display panel, and the microcomputer receives the unique identity number from the input unit and further inserts the input identity number into the display messages converted into stream format.
In addition, the remote controller of the present invention may further comprise an external connection port through which the text and/or image data are received from an external device, wherein the microcomputer stores the text and/or image data received from the external device through the external connection port in the storage unit.
Preferably, the input unit further includes a storage button, and the microcomputer receives a storage button signal from the input unit, inversely converts the display messages in stream format into data in text and/or image format and stores the inversely converted data in the storage unit. Brief Description of Drawings
Fig. 1 is a block diagram showing the configuration of a remote controller for transmitting display messages to a display panel according to the present invention. Fig. 2 is a flowchart illustrating a process of operating the remote controller for transmitting the display messages to the display panel according to the present invention. Fig. 3 is a flowchart illustrating another process of operating the remote controller for transmitting the display messages to the display panel according to the present invention. <Explanation of reference numerals for designating main components in the drawings> 100: Remote controller 110: Key input unit
120: External connection port 130: Microcomputer
140: Storage unit 150: Driving unit
160: Display unit 170: Wireless transmission unit 200: Display panel 210: Wireless receiving unit
220: Control unit 230: Memory unit
240: Display driving unit 250: Display unit
Best Mode for Carrying out the Invention Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to accompanying drawings.
Fig. 1 is a block diagram showing the general configuration of a display panel 200 and a remote controller 100 for transmitting display messages to the display panel according to the preferred embodiment of the present invention. The remote controller 100 of the present invention comprises an input unit 110, an external connection port 120, a microcomputer 130, a storage unit 140, a driving unit 150, a display unit 160 and a wireless transmission unit 170. The display panel 200 installed outdoors for receiving display messages from the remote controller 100 to display the received display messages thereon comprises a wireless receiving unit 210, a control unit 220, a memory unit 230, a driving unit 240 and a display unit 250. A function of respective components will be explained with reference to Fig. 1. First, the input unit 110 is a means for outputting a predetermined signal in response to user operation and providing the signal to the microcomputer 130, and includes a plurality of buttons. In this embodiment of the present invention, the plurality of buttons are not shown but may include input buttons, a transmission button, an On/Off button for the display panel and buttons for inputting characters or numbers.
The external connection port 120 is a means for connecting the remote controller 100 with external devices such as a PC, notebook computer or PDA, and may be implemented in the form of a common serial port, USB port or RS-232C port. The microcomputer 130 is a processor for controlling the overall operation and function of the remote controller 100, and controls the process of the remote controller 100 in response to the signal input from the input unit 110. Further, the microcomputer stores data including the display messages provided from the external devices connected through the external connection port 120 into the storage unit 140 to be described later. At this time, the data provided from the external devices include character font data and image data stored in the storage unit 140 and data prepared by external devices for direct display onto the display panel. More specifically, the microcomputer 130 reads out the data stored in the storage unit 140 and then converts the read data into data streams, which can be displayed on the display panel, before they are transmitted to the driving unit 150 or wireless transmission unit 170 to be described later. That is, if the microcomputer 130 receives from the input unit 110 a signal instructing to transmit a display message to an outdoor display panel, it converts the data streams composed of character data and/or image data into pixel-based graphic data that can be recognized from the display panel 200.
The storage unit 140 is a means for storing fonts corresponding to the respective character and number buttons provided in the input unit 110 and display messages composed of text data input from the input unit or text/image data provided from external devices. The storage unit 140 may use a disk, but preferably uses a memory means (e.g., a flash memory) for allowing the stored data to be easily stored and replaced. Further, the storage unit 140 can also store data streams composed of characters and/or images that a user inputs to display them on the display panel. That is, according to the present invention, the user can input the characters and/or images data to be displayed on the display panel through the input unit 110 so as to convert them into predetermined data streams. If desired, the user can read out the stored data streams again and transmit them to the display panel 200. The driving unit 150 is a means for causing the character and/or image data
(display messages) provided from the aforementioned microcomputer 130 to be transmitted to the display unit 160 to be described later and then to be displayed on the display unit 160. In particular, the driving unit 150 can control the display unit 160 in such a manner that the displayed character and/or image data are scrolled horizontally or vertically in response to a control signal provided from the microcomputer 130. The driving unit 150 is composed of a driver element corresponding to a type of a display element for use in the display unit 160.
The display unit 160 is installed such that its display surface is exposed to the exterior of the remote controller 100, corresponds to a means for displaying the character and/or image data in response to the control of the aforementioned driving unit 150, and may be implemented using a LCD or organic electroluminescent display.
The wireless transmission unit 170 is a means for receiving pixel-based graphic data composed of character and/or image data, which will be displayed on the display panel 200 to be described later, from the microcomputer 130 and transmitting the graphic data to the wireless receiving unit 210 of the display panel 200 in a wireless manner. Further, the wireless transmission unit 170 can be easily implemented using an infrared receiving module, RF module, Bluetooth module or the like.
In the meantime, the display panel 200 shown in Fig. 1 receives the display messages provided from the aforementioned remote controller 100 in a wireless manner so that the received display messages can be displayed thereon. The wireless receiving unit 210 of the display panel 200 is a means for receiving a wireless signal (data) from the wireless transmission unit 170, and can be implemented in the form of a communication means corresponding to the wireless transmission unit 170. In this embodiment of the present invention, wireless communication has been made using infrared rays. The control unit 220 of the display panel 200 is a means for controlling the operation of the respective components provided in the display panel 200. The control unit 220 receives an On/Off signal for the display panel from the remote controller 100 and converts the display panel 200 into an on or standby state. Further, the control unit 220 provides the driving unit 240 with the display messages transmitted from remote controller 100 to the wireless receiving unit 210 in a state where the display panel 200 is turned on.
In addition, the driving unit 240 corresponds to a kind of driver for driving the display unit 250 provided in the display panel 200, and controls the provision of the display unit 250 with pixel-based graphic data received from the control unit 220 such that the display messages such as characters and images input by the user can be displayed on the display unit 250. Here, the display unit 250 can be implemented using LCDs, LEDs or the like, and the driving unit 240 can also be composed of a driver corresponding thereto.
The remote controller 100 according to the embodiment configured as above has functions capable of controlling a plurality of display panels 200 using a single remote controller, inputting both character data and image data, displaying beforehand the input data on the display unit prior to the transmission of data, and storing or reading the data into or from the storage unit. That is, the remote controller of the present invention can has a function of storing and reading out the data. Hereinafter, the process of performing the above respective functions will be explained in detail.
According to the embodiment of the present invention, the remote controller 100 can input unique identity numbers corresponding to a plurality of display panels and store them in the storage unit 140 using the buttons of the input unit 110. Further, each of the respective display panels stores the identity number therein and responds to a wireless signal from the remote controller 100 only when the desired unique code corresponding to the identity number is included in the wireless signal received from the remote controller 100. Therefore, the user inputs the identity numbers corresponding to the plurality of display panels into the remote controller 100 and then transmits the signal containing the input identity number to the display panel to which the user wishes to transmit the display messages so that the relevant display panel can respond to the wireless signal. The identity numbers are assigned predetermined serial numbers (e.g., 1, 2, 3 ...) for the locations of the display panels, respectively. At this time, the input identity number is stored in the storage unit 140 by the microcomputer 130. In a case where the user intends to select an arbitrary display panel among the plurality of display panels registered in the remote controller 100 and to display the predetermined characters (and/or images) only on the selected display panel, the user should also input the identity number corresponding to the relevant display panel when transmitting the predetermined data that the user intends to display. At this time, the microcomputer 130 reads out the identity number corresponding to the predetermined serial number input through the key input unit 110 and generates the signal corresponding thereto. Then, the graphic data (characters and/or images) with the signal inserted therein are transmitted in a wireless manner through the wireless transmission unit 170.
Each of the respective display panels receives wireless signals generated from the remote controller 100 through the wireless receiving unit 210. At this time, only a display panel of which identity number previously stored in the interior thereof (i.e., control unit 220) is identical to the code signal included in the wireless signal responds to the wireless signal transmitted from the remote controller 100. Therefore, the characters and images transmitted from the remote controller 100 are displayed on the display panel of which the internal identity number is identical to the unique code. Further, the input characters can be simultaneously transmitted to and displayed on a plurality of display panels by inputting a plurality of serial numbers for the desired display panels. Consequently, the remote controller 100 for controlling the display panels according to the present invention can coordinate control of a plurality of display panels through the aforementioned process of registering the respective display panels.
Furthermore, the remote controller 100 of the present invention can also transmit image data as well as character data to the display panel. To transmit the image data to the display panel, the image data to be transmitted should be stored in the storage unit 140 of the remote controller 100. In a case where a flash memory is used in the storage unit, the image data can be stored in the storage unit either by storing the image data in the flash memory from an external device and then installing the flash memory into the remote controller or by connecting the remote controller 100 with an external device such as a personal computer or PDA and then downloading the image data or character strings to be displayed on the display panel from the external device. That is, the user connects the remote controller 100 with an external device via the external connection port 120 provided in the remote controller 100 and then downloads the image data stored in the external device or character strings written by the external device to the remote controller 100. At this time, the external device can easily recognize their state of connection with the remote controller 100 through additional software installed thereto which has been widely employed in computer peripherals and the like. Further, the image data or character strings downloaded from the external device are stored in a certain area of the storage unit 140 by the microcomputer 130. When inputting character data to be transmitted to display panel 200, the user can access image data stored in the storage unit 140 and transmit the image data together with the character data.
Fig. 2 is a flowchart illustrating the process of controlling the display panel using the remote controller according to the embodiment of the present invention. The functions of inputting the character and image data in the remote controller for controlling the display panel and previewing the input data will be explained in detail with reference to this figure.
In a state where a variety of image data downloaded from external devices have been already stored in the storage unit 140 of the remote controller 100, the user converts the operating mode of the remote controller 100 into a data input mode (step S210). Then, the user manipulates the key input unit 110 of the remote controller 100 and inputs characters to be displayed on the display panel 200 (step S203). The microcomputer 130 reads out character fonts corresponding to the manipulation of the key input unit 110 and transfers the character fonts to the driving unit 150. The driving unit 150 converts the character fonts into desired graphic data and provides the converted graphic data to the display unit 160 so that the characters input by the user can be displayed on the display unit 160 (step S205).
Consequently, the respective characters input by the user can be displayed on the display unit 160 of the remote controller 100 through the repeated processes. If the user manipulates the key input unit 110 and generates an image input key signal for inserting the images previously stored in the remote controller 100 into the characters (step S207), the microcomputer 130 converts the operating mode of the remote controller 100 into an image data input mode in response to the image input key signal. The microcomputer 130 reads out the respective image data previously stored in the storage unit 140 and provides the read image data to the driving unit 150 so that the respective image data can be displayed on the display unit 160 (step S209). Therefore, a user can search respective images displayed on the display unit 160 and select the desired image.
If the user selects a desired image among the respective images displayed on the display unit 160 by manipulating the key input unit 110 (step S211), the microcomputer 130 recognizes the selected image as input data and causes the driving unit 150 to display the selected image on the display unit 160 (step S213).
Consequently, the user can input both the image data and the desired characters by repeatedly performing the aforementioned steps S203 to S213.
In addition, if the input of data streams composed of the desired characters and/or images has been completed through the above respective processes, the user inputs an input complete signal using the key input unit 110, and accordingly, the microcomputer 130 recognizes that the data input process has been completed (step S215).
If the user wishes to vertically or horizontally scroll the data input by himself or herself through the remote controller 100 when the input data are displayed on the display panel 200 (step S217), the user can determine relevant scroll information, i.e. scroll direction, scroll speed and the like. Therefore, if the user inputs the scroll information on the data input through the aforementioned respective processes using the key input unit 110 of the remote controller 100 (step S219), the microcomputer 130 recognizes the scroll information and sets it as scroll information on the data input by the user (step S221).
If the user confirms a picture actually displayed on the display panel through the remote controller 100 in a state where the desired characters and/or images and their scroll information have been input through these respective processes, the user can confirm the actual picture by using a preview key button provided in the key input unit 110 of the remote controller 100. If the user inputs a preview key signal using the key input unit 110 (step S221), the microcomputer 130 causes the driving unit 150 to display the data streams input by the user through the aforementioned processes on the display unit 160. At this time, if the scroll information has been set through the above step S219, the microcomputer 130 controls the driving unit 150 such that the displayed data streams are scrolled in accordance with the scroll information (step S223). Accordingly, the user can beforehand confirm the picture to be actually displayed on the display panel 200 using the display unit 160 of the remote controller 100.
If the user inputs a transmission key signal using the key input unit 110 in order to transmit the data streams input by himself or herself to the display panel 200 (step S225), the microcomputer 130 converts the data streams into pixel-based graphic data in response to the transmission key signal input through the key input unit 110 and transfers the converted data to the wireless transmission unit 170. At this time, if scroll information has been set through the aforementioned step S219, the scroll information is inserted into and transferred together with the graphic data.
In addition, the wireless transmission unit 170 converts the graphic data provided from the microcomputer 130 into wireless signals and transmits the signals to the display panel 200 (step S227). At this time, when the user intends to transmit the data streams input through the aforementioned respective processes to the plurality of display panels, if any, the transmission can be made by inputting the serial numbers for the relevant display panel as described above.
In the meantime, the wireless receiving unit 210 of the display panel 200 receives the wireless signals from the remote controller 100, and the control unit 220 extracts the graphic data and scroll information from the received wireless signals and transfers the extracted graphic data and scroll information to the driving unit 240. Then, the driving unit 240 drives the display unit 250 in response to the graphic data and scroll information provided from the control unit 220 so that the data streams (characters and/or images) input by the user through the remote controller 100 can be displayed on the display unit 250.
Although it has been explained in the aforementioned step S225 that the data input by the user are transmitted to the display panel 200, the present invention also supports a function of storing the input data in the remote controller 100, and reading out the data and transmitting the data to the display panel 200 later. Now, such a function will be explained. If the user inputs a storage key signal using the key input unit 110 to store the data in the remote controller 100 without transmitting the data currently input in the remote controller 100 to the display panel 200 in the aforementioned step S225 (step S229), the microcomputer 130 stores the data streams composed of the data input by the user, i.e. characters and/or images, in the storage unit 140 in response to the storage key signal (step S231). At this time, if the user has also set the scroll information for the relevant data, the scroll information is stored together with the relevant data. Further, if necessary, the data stored in the storage unit 140 of the remote controller 100 can be read out, edited and transmitted to the display panel 200.
Fig. 3 is a flowchart illustrating the general process performed when the data stored in the remote controller 100 by the user in the aforementioned step S231 of Fig. 2 are read out and transmitted to the display panel 200.
This process will be described in detail with reference to Fig. 3. If the user inputs a key signal instructing access of the data streams using the key input unit 110 of the remote controller 100 in a state where the data streams written through the remote controller 100 or the data streams downloaded from the external devices are already stored in the storage unit 140 of the remote controller 100 (step S301), the microcomputer 130 reads out the data streams stored in the storage unit 140 in response to the key signal and transmits a predetermined list of data to the driving unit 150. Then, the driving unit 150 causes the list of data to be displayed on the display unit 160 so that the user can select a desired data stream among the respective data streams included in the list (step S303).
If the user selects an arbitrary data stream among the respective data streams displayed on the display unit 160 and inputs a relevant selection signal (step S305), the microcomputer 130 extracts only the selected data stream in response to the selection signal and transfers the extracted data stream to the driving unit 150. If the scroll information on the relevant data stream has been set in this process, this scroll information is transmitted to the driving unit 150 together with the relevant data stream. Therefore, since the data selected by the user are displayed on the display unit 160 under the control of the driving unit 150, the function of previewing the data stream selected by the user can be performed (step S307). Furthermore, when an arbitrary data stream stored in the remote controller 100 is selected and displayed on the display unit 160 through the above processes, the user can modify (edit) the data stream or transmit the data stream to one or more display panels.
If the user inputs a key signal for modifying the data using the key input unit 110 (step S309), the microcomputer 130 converts the operating mode of the remote controller 100 into a data edit mode in response to the key signal. Then, the microcomputer repeatedly performs the processes after step S203 of Fig. 2 so as to modify the data stream according to the key manipulation of the user, and either transmits the modified data stream to the display panel 200 or stores the data stream again in the remote controller 100. On the other hand, if the user manipulates the key input unit 110 and inputs a transmission key signal to transmit the selected data stream to the display panel 200 without any data modification (step S311), the microcomputer 130 converts the selected data stream into pixel-based graphic data in response to the transmission key signal, and then, transmits the graphic data to the wireless transmission unit 170. Of course, if the scroll information on the relevant data is also set in this process, the microcomputer 130 combines the scroll information with the graphic data to transmit the combined data. Further, the wireless transmission unit 170 converts the graphic data provided from the microcomputer 130 into wireless signals and then transmits the wireless signals to the display panel 200 in a wireless manner (step S313). Of course, when the user intends to transmit the input data (characters and or images) to a plurality of display panels, if any, through the aforementioned respective processes in the same manner as in the aforementioned transmission process of Fig. 2, the transmission can be made by inputting the serial numbers for the relevant display panels. Moreover, the processes of receiving and displaying the graphic data in and on the display panel 200 are the same as those explained in Fig. 2. Accordingly, through the respective processes shown in Fig. 3, the data stored in the remote controller 100 can be read out and transmitted to the display panel 200. If necessary, the data may be modified and then transmitted to the display panel.
Industrial Applicability As described above, by using a remote controller for controlling a display panel according to the present invention, a plurality of display panels can be selectively controlled, and character and image data can be input and transmitted to the display panel. Further, predetermined data can be beforehand stored in the remote controller, and the stored data can be read out and transmitted later. If necessary, the stored data may be modified and transmitted. Furthermore, a picture to be actually displayed on the display panel can be confirmed on the remote controller before the relevant data are transmitted to the display panel. Accordingly, there is an advantage in that the display panel can be controlled more easily and conveniently by using the remote controller of the present invention having the above features. It is intended that the embodiment of the present invention described above and illustrated in the drawings should not be construed as limiting the technical spirit of the present invention. The scope of the present invention is defined only by the appended claims, and those skilled in the art can make various changes and modifications thereto without departing from its true spirit. Therefore, various changes and modifications obvious to those skilled in the art will fall within the scope of the present invention.

Claims

1. A remote controller for transmitting display messages to a display panel, comprising: an input unit for outputting signals corresponding to a plurality of buttons including input buttons and a transmission button; a storage unit for storing text and image data; a display unit for displaying the display messages to be displayed on the external display panel; a driving unit for the display unit for receiving the display messages in stream format and providing the display messages to be displayed to the display unit; a transmission unit for receiving the display messages in a stream format and transmitting the display messages to the external display panel by wireless; and a microcomputer for receiving input button signals from the input unit, reading out the data stored in the storage unit, converting the data into the display messages in stream format and providing the converted display messages to the driving unit, and for receiving the transmission button signal from the input unit, converting the display messages in stream format into pixel-based graphic data recognizable in the external display panel and providing the graphic data to the transmission unit.
2. The remote controller as claimed in claim 1, wherein the input unit further includes a scroll button for setting scroll direction and speed for the display messages to be displayed on the display unit, and the microcomputer receives a scroll button signal from the input unit and further inserts information on the input scroll direction and speed into the display messages converted into stream format.
3. The remote controller as claimed in claim 1 or 2, wherein the input unit further includes a button for inputting a unique identity number used to select a specific external display panel, and the microcomputer receives the unique identity number from the input unit and further inserts the input identity number into the display messages converted into stream format.
4. The remote controller as claimed in claim 3, further comprising an external connection port through which the text and/or image data are received from an external device, wherein the microcomputer stores the text and/or image data received from the external device through the external connection port in the storage unit.
5. The remote controller as claimed in claim 4, wherein the input unit further includes a storage button, and the microcomputer receives a storage button signal from the input unit, inversely converts the display messages in stream format into data in text and/or image format and stores the inversely converted data in the storage unit.
PCT/KR2004/000176 2003-01-30 2004-01-30 Remote controller for transmitting display messages to display panel WO2004068891A1 (en)

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