KR20110012256A - Method for changing code format of a remote controller, display apparatus and remote controller thereof - Google Patents

Abstract

PURPOSE: A method for changing a code format of a remote controller, a display device and a remote controller thereof are provided to change a remote controller code format of a remote controller and a display device, thereby preventing a remote control signal with another device except the display device. CONSTITUTION: A signal receiving unit(210) receives a remote controller signal of a remote controller. A code detecting unit(220) detects a custom code and a data code in a remote controller signal. A controlling unit(230) determines the validity of the custom code through a remote controller code format of the custom code and a memory(240). If the custom code is effective, the controlling device performs operation corresponding to a data code in a display unit(250).

Description

Method for changing code format of a remote controller, display apparatus and remote controller

The present invention relates to a method for processing a control signal received from a remote control device to a display device.

As the information society develops, the demand for display devices is increasing in various forms, and in recent years, liquid crystal display devices (LCDs), plasma display panels (PDPs), electro luminescent displays (ELDs), and vacuum fluorescents (VFDs) have been developed. Various display devices such as displays have been studied and used.

In general, the display device is provided with a remote control reception function for user convenience, and accordingly performs a preset operation according to a control signal received from a remote control device such as an external remote controller.

An object of the present invention is to provide a remote control code format changing method, a display device and a remote control device using the same, which can stably receive a control signal from a remote control device.

In accordance with another aspect of the present invention, there is provided a method of changing a remote control code format of a display device, the method including: receiving a signal for requesting a change of a remote controller code format from a remote control device to a first type; And changing the remote control code format to the first type.

A display apparatus according to an embodiment of the present invention, the signal receiving unit for receiving a signal for requesting a remote control code format change from the remote control device to the first type; A memory in which information on a plurality of remote control code formats including the first type of remote control code format is stored; And a controller for changing a remote control code format to the first type.

Remote control apparatus according to an embodiment of the present invention, the key input unit for receiving a request to change the remote control code format from the user to the first type; A signal transmitter which transmits a signal for requesting a format change of the remote controller code to the first type to a display device; A memory in which information on a plurality of remote control code formats including the first type of remote control code format is stored; And a controller for changing a remote control code format to the first type.

On the other hand, the method of changing the remote control code format may be implemented as a computer-readable recording medium recording a program for execution in a computer.

According to an embodiment of the present invention, by changing the remote control code format of the remote control device and the display device, it is possible to prevent the interference of the remote control control signal with other devices other than the display device, thereby correct operation according to the user input May be possible.

Hereinafter, a method for changing a remote control code format, a display device using the same, and a remote control device according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram illustrating a configuration of a display system. The illustrated system may include a remote control apparatus 100 and a display apparatus 200.

Referring to FIG. 1, the remote control apparatus 100 may include a plurality of key buttons for key input of a user, and a control signal corresponding to a user input of any one of the plurality of key buttons (hereinafter, A remote control signal may be generated and transmitted to the display apparatus 200.

The display apparatus 200 may receive a remote control signal transmitted from the remote control apparatus 100 and perform an operation corresponding to the received remote control signal.

For example, the remote control apparatus 100 may generate and transmit an infrared signal corresponding to the user key input, and the display apparatus 200 may receive the infrared signal and perform an operation corresponding thereto. For this purpose, the remote control apparatus 100 and the display apparatus 200 may each include an infrared transmitter (not shown) and an infrared receiver (not shown).

However, the present invention is not limited to the transmission and reception of the remote control signal using the infrared communication method as described above, and the remote control signal between the remote control apparatus 100 and the display apparatus 200 using various other wireless communication methods. Can be sent and received.

The display apparatus 200 may include a liquid crystal display module, and in this case, may include a liquid crystal panel (not shown) and a backlight unit (not shown). The liquid crystal panel (not shown) may display an image using light provided from a backlight unit (not shown). For this purpose, the liquid crystal panel (not shown) may face each other with the liquid crystal layer interposed therebetween. And a TFT substrate and a color filter substrate.

However, embodiments according to the present invention are not limited to the above-described liquid crystal display device, and can be applied to various display devices such as plasma display panel (PDP), electro luminescent display (ELD), and vacuum fluorescent display (VFD). have.

The remote control signal generated by the remote control apparatus 100 and transmitted to the display apparatus 200 may include a custom code and a data code. The custom code is a unique code value for determining whether it is a valid remote control signal for the device, and the data code is a unique code value for designating an arbitrary operation to be performed in the device.

The custom code and the data code may be determined to be identical to each other according to the format of the remote control code respectively executed in the corresponding device, that is, the display apparatus 200 and the remote control apparatus 100.

For example, when a remote control signal including a custom code value is received from the remote control apparatus 100 to the display apparatus 200, the display apparatus 200 determines the validity of the custom code of the remote control signal to determine the custom code. If is not valid for the user, the received remote control signal is ignored.

On the other hand, if the custom code of the received remote control signal is valid, that is, matches the custom code according to its own remote control code format, the display device 200 decodes the data code included in the remote control signal, the data code The corresponding operation may be performed.

However, when a device other than the display device 200, for example, a device of another manufacturer located nearby, has a remote control code format that matches the display device 200 (for example, when the custom codes of the two devices match The remote controller signal for controlling the display apparatus 200 may malfunction the device of another manufacturer. On the contrary, a remote control signal for controlling the device of another manufacturer may operate the display device 200.

According to an embodiment of the present invention, by changing the remote control code format of the remote control device 100 and the display device 200 to transmit and receive a remote control signal, interference of the remote control signal between the display device 200 and other devices. And malfunctions accordingly.

For example, the remote control apparatus 100 and the display apparatus 200 each have a plurality of remote control code formats that can be transmitted and received, and when the user desires, that is, when interference of a remote control signal with another device occurs, the remote control apparatus The remote control code format of the display apparatus 200 and the display apparatus 200 may be changed to any one of the plurality of formats.

Hereinafter, a method of changing a remote control code format of the remote control apparatus 100 and the display apparatus 200 according to an embodiment of the present invention will be described in detail with reference to FIGS. 2 to 7.

2 is a block diagram illustrating a configuration of a remote control apparatus according to an embodiment of the present invention. The remote control apparatus 100 includes a key input unit 110, a control unit 120, a memory 130, and a code generation unit 140. ) And a signal transmitter 150.

Referring to FIG. 2, the key input unit 110 may include various key buttons for a user's key manipulation. The user may select at least one of the key buttons provided in the key input unit 110 to perform key input corresponding to a specific operation of the desired display apparatus 200.

When the user selects a specific button of the key input unit 110, the controller 120 searches for and checks the unique custom code and data code according to the currently set remote control code format in the memory 130, and generates a code generator 140. ) Can be controlled.

The memory 130 may be a nonvolatile memory such as a flash memory or an EEPROM, and the memory 130 may store information on a remote control code format.

The code generator 140 generates a remote controller signal corresponding to the unique custom code and data code and outputs the remote controller signal to the signal transmitter 150, for example, an infrared transmitter, and the signal transmitter 150 wirelessly outputs the remote controller signal. Can transmit

According to an embodiment of the present invention, the memory 130 may store information on a plurality of remote control code formats supported by the remote control apparatus 100, and the plurality of remote control code formats may be different from each other. You can have each one of the codes. Meanwhile, different data codes may be set in the plurality of remote control code formats.

For example, the memory 130 stores information on a remote control code format of a first type and a remote control code format of a second type, and the remote control code format of the first type has a value of '0000 0001' having a 2-byte size. It may include a custom code having a, a first data code having a '0001 1000' value and a second data code (Data 2 Code) having a high '0010 1000' value.

Meanwhile, the second type of remote control code format includes a custom code having a value of '0000 0010' having a size of 2 bytes, a first data code having a value of '0001 1100', a second data code having a value of '0010 1100', and the like. It may be included.

4 is a flowchart illustrating a first embodiment of a method for changing a remote control code format according to the present invention. The method for changing a remote control code format of the remote control apparatus 100 shown in FIG. 4 is a block diagram shown in FIG. The description will be made in conjunction.

Referring to FIG. 4, the key input unit 110 receives a key button input requesting a change of a remote control code format from a user (step 300). For example, the user may request a change of the remote control code format by pressing a specific button preset for changing the remote control code format among a plurality of key buttons provided in the key input unit 110. More specifically, the user may request a change of the remote control code format by pressing the 'Menu' button and the 'Mute' button provided in the key input unit 110 for at least 3 seconds.

The code generation unit 140 generates a remote control signal (hereinafter referred to as a format change request signal) requesting a change of the remote control code format under the control of the control unit 120, and outputs the signal to the signal transmitter 150, and the signal transmitter In operation 310, the format change request signal is transmitted to the display apparatus 200.

Meanwhile, the controller 120 included in the remote control apparatus 100 may change and execute the remote control code format with one of a plurality of remote control code formats stored in the memory 130 in response to the format change request of the user. (Step 320).

For example, when the information about the remote control code formats of the A type and the B type is stored in the memory 130, and the remote control code format that transmits / receives the remote control signal is A type, in response to the user's format change request The controller 120 may disable the A type remote control code format and enable and execute the second type remote control code format.

In this case, in step 310, the signal transmitter 150 may wirelessly transmit a remote control signal generated according to the current A type remote control code format.

7 illustrates an embodiment of a data format of a remote control code format.

Referring to FIG. 7, the remote control code format includes a custom code, a custom code check byte, a data code, and a data code check byte, and each of the codes may have 2 bytes, that is, 8 bits of data. The remote control code format may include a leader pulse 600 and an ending signal bit 610.

The plurality of remote control code formats stored in the memory 130 may be different from the custom code. For example, the plurality of remote control code formats may have different values of the custom code.

More specifically, the custom code value of the A type remote control code format stored in the memory 130 may be '0x04', and the custom code value of the B type remote control code format may be '0x05'.

In addition, in order to more reliably prevent the interference of the remote control signal as described above, the plurality of remote control code formats stored in the memory 130 may have a different data format of the custom code.

For example, the type A remote control code format stored in the memory 130 may be a method including a custom code and a custom code confirmation byte of 8 bits, respectively, as shown in FIG. 7. The custom code may be a method of identifying the custom code with data obtained by swapping at least one of upper and lower bits different from the above method.

More specifically, the B-type remote control code format may have a data format for identifying a custom code with data obtained by swapping upper 4 bits of the FB.

Meanwhile, when the remote control code format of the remote control apparatus 100 is changed as described above, the remote control code format of the display apparatus 200 is also changed in the same manner as the remote control code format of the remote control apparatus 100 to transmit and receive a remote control signal. Should be. For this purpose, as in step 310, the remote control device 100 preferably transmits a remote control signal requesting the remote control code format to the display device 200.

Therefore, the remote control signal transmitted to the display apparatus 200 for the format change may include a data code preset in response to the format change request, and the data code is included in the data code confirmation byte as shown in FIG. 7. Can be verified.

Meanwhile, in order to prevent a change in the format of the remote control code of the display apparatus 200 by a remote control signal transmitted from another remote control apparatus, the data code verification method requesting the format change may be an existing verification method, that is, data. It may be different from the verification method of the data code using the code check byte.

For example, the data code for requesting the remote control code format change may be identified as data swapped with a higher or lower predetermined bit, more specifically, upper 4 bits, or least significant bit (LSB) / highest bit ( MSB) can be confirmed by a method such as swap.

FIG. 3 is a block diagram illustrating a configuration of a display apparatus according to an exemplary embodiment of the present invention, and the description of the above description of the operation of the display apparatus illustrated in FIG. 3 will be omitted.

Referring to FIG. 3, the display apparatus 200 may include a signal receiver 210, a code detector 220, a controller 230, a memory 240, and a display unit 250.

The signal receiver 210, for example, an infrared receiver, receives a remote controller signal transmitted from the remote controller 100 and outputs the signal to the code detector 220. The code detector 220 may detect a custom code and a data code included in the remote controller signal and output the detected code to the controller 230.

The controller 230 checks whether the custom code of the remote control signal is valid, that is, matches the custom code of the user, by using the input custom code and the remote control code format stored in the memory 240, and if it is valid, An operation corresponding to the data code may be controlled to be performed by the display unit 250.

For example, when the user requests the display of the menu screen using the remote control apparatus 100, the controller 230 controls an operation of an OSD (On Screen Display) generator (not shown) included in the display unit 250. The OSD image corresponding to the menu screen may be displayed on the display screen.

The memory 240 of the display apparatus 200 may store information on a plurality of supportable remote control code formats, such as those stored in the memory 130 of the remote control apparatus 100. That is, a plurality of remote control code formats having custom codes having different values or data formats may be stored in the memory 240 of the display apparatus 200.

FIG. 5 is a flowchart illustrating a second embodiment of a method of changing a remote control code format according to the present invention. The method of changing the remote control code format of the display apparatus 200 shown in FIG. 5 is connected to the block diagram of FIG. 4. Let's explain.

Referring to FIG. 5, the signal receiver 210 receives a remote controller signal requesting a change of a remote controller code format from the remote controller 100 (operation 400).

Thereafter, the controller 230 verifies the data code of the received remote control signal (step 410), and then changes the user's desired remote control code format (step 420).

For example, the controller 230 checks whether or not the data code value included in the received remote control signal and the data code confirmation byte match, and if it matches, the remote control code of the type desired by the user. You can change the format.

FIG. 6 is a flowchart illustrating an example of an operation of the display apparatus 200 for processing a remote control signal received from the remote control apparatus 100. FIG. 6 illustrates an operation of the display apparatus 200 shown in FIG. The same description as that described above with reference to FIGS. 1 to 5 and 7 will be omitted below.

Referring to FIG. 6, the signal receiving unit 210 of the display apparatus 200 receives a remote control signal transmitted from the remote control apparatus 100, and the controller 230 determines that the received remote control signal is changed in the remote control code format. Check whether the signal is a request (step 500).

When the remote control signal is a signal for controlling a general operation of the display apparatus 200 rather than a format change request signal, the controller 230 determines whether the custom code according to the currently set remote control code format and the custom code of the remote control signal match. After determining whether or not the validity is determined (step 510), in the case of a valid signal, the data code included in the remote control signal is decoded (step 520) and the corresponding event is controlled by the display unit 250 (step 530). .

On the other hand, if the received remote control signal is a signal for requesting a change in the remote control code format, the controller 230 moves the data code confirmation byte of the remote control signal from the most significant bit first (MSB first) to the least significant bit first (LSB first). After switching (step 540), it is checked whether the data code matches (step 550). In this case, the data code is transmitted in least significant bit first (LSB first), and the data code confirmation byte is transmitted in most significant bit first (MSB first).

If the comparison result coincides with the data code confirmation byte, the controller 230 checks the current remote control code format (step 560). For example, when the supportable remote control code formats stored in the memory 240 include A type and B type, the controller 230 may determine whether the currently set format is A type or B type.

If a type A remote control code format is currently set, the controller 230 changes the type A remote control code format to a type B remote control code format (step 570). On the other hand, if the B type remote control code format is currently set, the controller 230 changes the B type remote control code format to the A type remote control code format (step 580).

 Meanwhile, when the remote control code format of the display apparatus 200 is changed as described above, the display unit 250 may display a message indicating that the remote control code format has been changed.

For example, when the remote control code format is changed to the B type in step 570, the controller 230 may control the display unit 250 to display a message that the remote control code format is changed to the B type.

In addition, the method of changing the remote control code format according to the present invention described above may be stored in a computer-readable recording medium produced as a program to be executed in a computer, examples of the computer-readable recording medium are ROM, RAM CD-ROMs, magnetic tapes, floppy disks, optical data storage devices, and the like, and also include those implemented in the form of carrier waves (eg, transmission over the Internet).

The computer readable recording medium can be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion. In addition, functional programs, codes, and code segments for implementing the broadcast reception method may be easily inferred by programmers in the art to which the present invention belongs.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention.

1 is a block diagram showing the configuration of a display system.

2 is a block diagram illustrating a configuration of a display apparatus according to an exemplary embodiment of the present invention.

3 is a block diagram showing the configuration of a remote control apparatus according to an embodiment of the present invention.

4 is a flowchart illustrating a first embodiment of a method for changing a remote control code format according to the present invention.

5 is a flowchart illustrating a second embodiment of a method of changing a remote control code format according to the present invention.

6 is a flowchart illustrating an embodiment of an operation of a display apparatus for processing a remote controller signal received from a remote control apparatus.

7 is a diagram illustrating an embodiment of a data format of a remote control code format.

Claims (20)

Receiving a signal for requesting a change of a remote controller code format from a remote control device to a first type; And  And changing the remote control code format to the first type. The method of claim 1, The remote control code format of the first type is any one of a plurality of remote control code formats stored in a memory. The method of claim 2, The method of claim 1, wherein the plurality of remote control code formats have different custom codes. The method of claim 3, And a plurality of remote control code formats having different values or data formats of the custom code. The method of claim 1, The remote control code format of the first type is a remote control code format change method of a display device, wherein the custom code is identified using data swapped with at least one of upper and lower bits. The method of claim 1, And the format change request signal is received in a second type remote control code format. The method of claim 1, The format change request signal includes a data code having information on the change of the remote control code format, And the data code is identified as data obtained by swapping at least one of upper and lower bits. The method of claim 1, Determining whether a data code value included in the received signal matches a data code confirmation byte; If it matches, changing the remote control code format to the first type. The method of claim 8, wherein the checking step And converting the data code confirmation byte into LSB first and comparing the data code value with the data code value. The method of claim 1, And displaying information on the format change of the remote control code to the first type. A signal receiving unit receiving a signal for requesting a remote control code format change from the remote control device to the first type; A memory in which information on a plurality of remote control code formats including the first type of remote control code format is stored; And And a controller for changing a remote control code format to the first type. The method of claim 11, wherein the signal receiving unit Receives the format change request signal in a second type remote control code format, The first and second types of remote control code formats have different custom codes. The method of claim 12, The first and second types of remote control code formats have different values or data formats of the custom code. The method of claim 11, The first type of remote control code format is a display device for identifying a custom code with data swapped at least one of the upper and lower bits. The method of claim 11, The format change request signal includes a data code having information on the change of the remote control code format, And the data code is identified as data obtained by swapping at least one of upper and lower bits. A key input unit receiving a request for changing the remote control code format from the user to the first type; A signal transmitter which transmits a signal for requesting a format change of the remote controller code to the first type to a display device; A memory in which information on a plurality of remote control code formats including the first type of remote control code format is stored; And And a control unit for changing a remote control code format to the first type. The method of claim 16, wherein the signal transmitting unit Transmit the format change request signal in a second type remote control code format, The first and second types of remote control code formats have different custom codes from the remote control devices. The method of claim 16, The remote control code format of the first type is a remote control device for identifying a custom code with data swapped at least one of the upper and lower bits. The method of claim 16, The format change request signal includes a data code having information on the change of the remote control code format, And the data code is identified as data obtained by swapping at least one of upper and lower bits. A computer-readable recording medium having recorded thereon a program for executing the method of any one of claims 1 to 10 on a computer.

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