KR200374344Y1 - Remote control system using digital codes - Google Patents

Abstract

The present invention relates to a remote control system using a digital code, and according to this, it is possible to control various electronic devices by only scanning a digital code printed on printed matter distributed by one remote controller.

The present invention provides a remote control system comprising an image sensor unit, a memory, a processor, and a signal transmission unit that scans and recognizes a digital code printed on a printed matter, and a remote control method using the same, wherein the memory is mapped to the digital code. The control code is stored and the control code includes a code value for the function control of the controlled device and a code value for the transmission method, and the processor is further configured to convert the digital input signal inputted from the image sensor unit into a unique digital code value. The control unit extracts the control code from the memory and modulates the control code into a transmission signal. The signal transmission unit transmits the transmission signal to the controlled device.

Description

Remote control system using digital code {REMOTE CONTROL SYSTEM USING DIGITAL CODES}

The present invention relates to a remote control system. In particular, a remote control using a digital code capable of easily controlling the controlled device by reading a control code of the controlled device by scanning a transparent or opaque digital code printed on a printed matter. It's about the system.

Today, a convenient remote controller is widely used to remotely control various electronic devices. Such a remote controller transmits a control signal for controlling various controlled devices using various types of infrared rays specified by the Infrared Data Association (IrDA), and typically uses infrared rays in the frequency range of 30 to 40 kHz, The attached receiver transmits the control signal in the form of a binary code so that the control signal can be accurately received without interference from other light sources. In addition, the receiving apparatus analyzes the received control signal to recognize the control command and performs the command intended by the user.

The coding method of the binary code is a method of changing the order of each pulse or a space between each pulse (Shift Coded Signal), a method of changing the length of the interval between each pulse (Space Coded Signal), There are many ways to change the length (Pulse Width Coded Signal), but each manufacturer adopts a different method. In other words, since the coding method of the control signal is not compatible with many manufacturers and models, it is not compatible with each other. Therefore, users who simultaneously use various electronic devices such as TV, DVD, digital set-top box, MP3 player, air conditioner, etc. You must accept the inconvenience.

In addition, in the interactive digital TV environment expected to arrive in the near future, so-called two-way communication, such as editing a desired broadcast program or purchasing a product directly through the TV screen, becomes possible. There are limitations in use such as having to operate several buttons a number of times or setting a shortcut button or the like in searching a menu of a step. Therefore, there is a need for a new device that integrates various manufacturer-specific and product-specific remote controllers, but does not require a multifunction button of the remote controller.

Accordingly, the present invention was devised to solve the above problems, and an object of the present invention is to integrate a remote controller for each manufacturer and a product into a single remote controller regardless of the types of controlled devices. It is intended to facilitate the user's convenience.

Another object of the present invention is to provide a user's convenience by providing a remote control system that is effectively used in a controlled device such as an interactive digital TV or an MP3 player.

Figure 1a is a structural diagram of a remote control system according to the present invention.

1B is an external schematic diagram of a remote controller used in a remote control system according to the present invention;

2 is a flowchart illustrating the operation of the remote control system according to the present invention.

3 is a view for explaining the printing procedure of the digital code in the remote control system according to the present invention.

4A is a flowchart for explaining the operation of the remote control system according to the first and third embodiments of the present invention;

4B is a flowchart for explaining the operation of the remote control system according to the second embodiment of the present invention;

5A is a schematic structural diagram of a remote control system according to Embodiment 3 of the present invention;

5B is a flowchart for explaining the operation of the remote control system according to the third embodiment of the present invention;

6A is a schematic structural diagram of conventional MP3 sound data providing lyrics.

6B is a schematic structural diagram of MP3 sound data including digital code in Embodiment 4 of the present invention;

Figure 6c is an example of the configuration of a printed material containing a digital code in the fourth embodiment of the present invention.

7 is a schematic structural diagram of a conventional MP3 player.

8 is a flowchart illustrating operations of a remote control system applied to an MP3 player according to Embodiment 4 of the present invention.

* Code descriptions for the main parts of the drawings

1: Remote control system 2: Print

3: digital code 4: image sensor

5: control code conversion processor 6: memory

7: signal transmission unit 8: transmitter

9: Operation Display Window 10: Mode Button

11: Power Button 12: Direction Button

13: Run button 14: Scan unit

15: Remote controller 21, 25: Self setting code

22: Controlled Device Type Code 23: Controlled Device Control Code

24: Button Mapping Code 30: Digital TV Set Top Box

31: Digital TV 32: Video Server

33: Audio / Video Interface 34: Internet Interface

35: operating system 36: device control processor

37: application execution processor 38: remote control driver

39: signal receiving unit 40: memory

41: DVD player 42: speaker

43: MP3 decoder 44: display device

45: processor 46: flash memory

47: external input and output device 48: button input device

50: MP3 player

As a feature of the present invention for achieving the above object, a remote control system using a digital code according to the present invention is a remote control system for controlling a controlled device by scanning a printed digital code, the printed digital code, and A sensor unit for recognizing the digital code and converting the digital code into a digital signal, and a control code mapped to the digital code, the control code including a code value for a function control of a controlled device and a code value for a transmission method A processor for receiving the digital signal, restoring the digital signal to a unique digital code value, extracting the control code corresponding to the control signal from the memory, and modulating the control code into a transmission signal, and transmitting the transmission signal to the controlled device. It is characterized by consisting of parts.

In addition, as another feature of the present invention, the range of the digital code value is a self-setting code value area for the additional setting of the control function for the controlled device and the environment setting of the remote control system, and for controlling the controlled device. And a service request code value area for accessing the Internet network.

In addition, as another feature of the present invention, the range of the digital code value is characterized in that it further comprises a controlled device type code value for indicating the controlled device currently controlled.

In addition, as another feature of the present invention, the range of the digital code value is characterized in that it further comprises a button mapping code value for mapping the control function of the additional controlled device to the button of the remote control system.

In addition, as another feature of the present invention, the digital code comprises a self setting code value, a controlled device type code value, a controlled device control code value, a button mapping code value, and a self setting code value. It is characterized by being printed in order.

In addition, as another feature of the present invention, the memory is a mapping table including a function control code value, a function control code length, a transmission method code for the controlled device mapped to the digital code value, and the mapping to the transmission method code A mapping table including a mapping table including a transmission type of a signal to be transmitted, a mapping table including a type of a controlled device mapped to the digital code value, and a mapping table including a button type of the remote control system mapped to the digital code value Each is stored, and the mapping tables are added and updated.

In addition, as another feature of the present invention, the transmission signal is characterized in that transmitted by at least one of infrared communication, USB communication or wireless communication in accordance with Bluetooth protocol.

Hereinafter, with reference to the accompanying drawings of the present invention will be described in detail.

Figure 1a shows the structure of a remote control system according to the present invention, Figure 1b shows the appearance of the remote controller.

As shown, the remote control system 1 according to the present invention comprises an image sensor unit 4 for recognizing a digital code 3 printed on a printed matter 2, and a digital input from the image sensor unit 4; Modulates and amplifies the control code conversion processor (5), the memory (6), and the processed control code by restoring the input signal to a unique digital code and processing it into a control code suitable for the controlled device. And a signal transmission unit 7 for transmitting to the controlled device through the device.

In addition, the exterior of the remote controller 15 by the remote control system 1 has a mode button 10 for selecting a controlled device from the outside, a power button 11 for controlling the power of the selected controlled device, An operation display window 9 for displaying the selected controlled device and operation, a direction button 12 and an execution button 13, and an output unit 8 including an LED for transmitting an infrared signal as an input / output device, an image sensor, etc. It is preferable for the convenience of the user to be configured to include a scan unit 14, including.

The printed matter 2 includes all media that can be commonly printed, such as paper, plastic, vinyl, sticker, leather, and electronic device case, and the digital code 3 includes bar codes, dot codes, and carbon pattern codes which are commonly used. Etc., with Carbon Pattern Code being particularly preferred. Because the Bar Code is printed in black ink, a separate printing space is required to be isolated from other printing surfaces, whereas the Carbon Pattern Code is made of a nearly transparent carbon material to form a lattice pattern, thereby securing a separate printing space. This is because it can be printed overlaid with another printing surface without having to do it, and also has the advantage that it can be attached to the printed material by printing on a sticker. Thus, if the digital code is printed with the transparent Carbon Pattern Code, the user will scan any image containing the transparent digital code on the print 2.

The number of digital codes (3) printed can be allocated hundreds of millions using Bar Code or Dot Code, and approximately 4,000 can be allocated using Carbon Pattern Code.

Therefore, in order to use the digital code 3 efficiently, it is necessary to divide the values according to various uses. That is, according to the present invention, the controlled object includes the self-set code value area required for additionally setting or configuring the function of the remote control system and the function control information necessary for controlling the controlled device. The device control code value area and a service request code value area for shopping or VOD (Video On Demand) reception are allocated. As a preferable example, in the case of using the carbon pattern code, the area of the digital code values is approximately 4,096, and each area can be allocated as shown in Table 1 below, and the number of digital code values corresponding to each area can be arbitrarily adjusted. It is possible.

<Table 1> Area table of digital code

domain Self setting code value area Controlled code value area Service Request Code Value Area Code (HEX) 00 (0x00) to 31 (0x1F) 32 (0x20) to 351 (0x15F) 352 (0x160) to 4,095 (0xFFF) Count 32 320 3,744

The self-setting code value area includes each digital code value for notification of start and end of digital code assignment or configuration of a remote control system in a setting mode for adding controlled device control information. Preferred examples thereof are shown in Table 2 below.

<Table 2> Self setting code value area table

Digital code Control instruction 0x01 Start digital code assignment 0x02 End digital code assignment 0x03 Start LED brightness control of remote control 0x04 End LED brightness control of remote control 0x05 Start of operation volume control of remote control 0x06 End of operation volume control of remote control 0x07 to 0x1F Etc

The controlled device control code value field includes a digital code value representing a controlled device of each manufacturer and a control function thereof for controlling, which are mapped to the controlled device function control information stored in the memory 6 to be described later. Corresponds to the table (see Table 5). Table 3 shows a preferred example of the control code value area of the controlled device.

<Table 3> Control code value area table

Digital code Controlled Equipment Control function Explanation 0x20 NEC VTR POWER ON / OFF Power ON / OFF of NEC VTR 0x21 NEC VTR PLAY Start playing the NEC VTR 0x22 NEC VTR REC Start recording of NEC VTR ... ... ... ... 0x34 LG Air Conditioner POWER ON / OFF LG air conditioner power on / off 0x35 LG Air Conditioner Airflow increase Increased air volume of LG air conditioners 0x36 LG Air Conditioner Airflow decrease Air volume reduction of LG air conditioner ... ... ... ... 0x3E Samsung TV POWER ON / OFF Samsung TV power on / off 0x3F Samsung TV Volume increase Samsung TV volume increase 0x40 Samsung TV Volume down Samsung TV volume down ... ... ... ... 0x15F Samsung TV MBC Channel Samsung TV's MBC Channel Selection

The service request code value area includes a digital code value for selecting a product or a service in various services through the Internet such as VOD and online shopping, and a preferred example thereof is shown in Table 4. Each one product and service is assigned a URL (Uniform Resource Locator) that can be accessed through the Internet, and the user accesses the desired product or service and service company through the internet network using the assigned URL, and detailed information about the product and purchase thereof. You can download VODs.

<Table 4> Service request code value area

Digital code Request service Explanation 0x160 Product URL Internet access with each product URL ... ... ... 0x33E Product URL Internet access with each product URL 0x33F Service URL Internet access to each service or service company URL ... ... ... 0xFFF Service URL Internet access to each service or service company URL

2 is a flowchart showing the operation procedure of the remote control system according to the present invention.

First, when a user inputs the digital code 3 on the printed matter 2 to the image sensor 4 through scanning or photographing, the image sensor 4 converts it into a digital signal to control code conversion processor 5. Transfer to (S200).

Then, the control code conversion processor 5 restores this to a unique digital code, and reads from the memory 6 a binary coding scheme for transmission to a controlled device function control information corresponding to the digital code and an infrared signal. (S201).

Then, the control code conversion processor 5 modulates the function control code value included in the function control information into a transmission signal using the binary coding scheme and transmits it to the controlled device through the signal transmission unit 7 ( S202). At this time, the transmission signal is transmitted by infrared communication or wireless communication in accordance with Bluetooth protocol.

In addition, the memory 6 has various mappings of the function control code of the controlled device corresponding to each digital code, the length of the function control code, the binary coding method code for transmitting the infrared signal, the controlled device type, the button mapping digital code, and the like. The table is saved, which can be updated or added.

First, a controlled device function control information mapping table for storing function control information corresponding to each digital code is placed in the memory 6, and the function control information corresponding to the read digital code is stored in the controlled device function control information mapping table. To find out. Since the controlled device function control information mapping table includes digital codes corresponding to the controlled device control code value area of the digital code 3, the controlled device function control information mapping table corresponds to the controlled device control code area table (see Table 3). do. A preferable example thereof is given in Table 5 below, and the digital code of the control code area table of the controlled device of Table 3 matches.

<Table 5> Control code mapping table

Digital code Controlled Device Type Code Binary coding method code Function control code length Function control code value Button Mapping Code 0x20 0x01 0x01 3 0x30, 0x2F, 0x3E 0x02 0x21 0x05 0x03 2 0x7F, 0x02 - 0x22 0x09 0x01 3 0x50, 0x40, 0x20 0x03 0x23 0x04 0x02 4 0x44, 0x32, 0x3A, 0xFE 0x02 ... ... ... ... ... ... 0x15F 0x01 0x01 2 0x41, 0x42 -

For example, if the digital code value read from the image sensor unit 4 is "0x20", the control code conversion processor 5 is first mapped to the digital code value with reference to Table 5 stored in the memory 6. Reads that the controlled device type code is "0x01", reads that the controlled device type corresponding to "0x01" is "TV" from the mapping table of the controlled device type shown in Table 7 below to display "TV". (9). Subsequently, referring to Table 5, the binary coding method code value "0x01" for determining the infrared transmission method from the digital code value "0x20", the function control code value is "0x30, 0x2F, 0x3E", and the function control code. It will be recognized that the length of "3". Referring to the controlled device control code area table of Table 3, the function control code value means " power ON / OFF of NEC VTR. &Quot; In addition, as will be described later in Embodiment 2, when a function is preset to each button of the remote controller, a corresponding button mapping code is assigned.

As another example, when the read digital code value is "0x15F", the binary coded code value is "0x01", the function control code value is "0x41, 0x41", and the length of the function control code is "2". Recognize as. At this time, the function control code value means "MBC channel selection of Samsung TV" according to Table 3. That is, by using the digital code value of "0x15F" to be transparent or semi-transparent to print, such as MBC logo, picture, etc., and simply scan it, the above functions can be controlled at once. . In order to select the MBC channel having channel 11, the conventional remote control requires pressing the button of "1" twice. According to the present invention, the MBC channel can be selected by only one scan as described above.

In addition, a mapping table of binary coding method codes for determining an infrared signal transmission method corresponding to the binary coding method codes of Table 5 is stored in the memory 6, and a preferable example thereof is shown in Table 6.

<Table 6> Mapping table of binary coding method code

Binary coding method code Infrared transmission method 0x01 NEC method 0x02 RC5 method 0x03 ZENITH method 0x04 MITSUBISHI method ... ...

That is, if the digital code value is " 0x20 " and the corresponding binary coding method code value is " 0x01 " as in the previous example, the control code conversion processor 5 selects the " NEC method " In this manner, the function control code value is modulated and transmitted.

In addition, the type of the controlled device selected in the remote control system according to the present invention is displayed on the operation display window 9 so that the user can visually check the type of the controlled device he or she currently controls. A preferable example thereof is shown in Table 7, for example, if the read digital code value is "0x02", "VTR" is displayed in the operation display window 10. In addition, when setting a plurality of controlled devices of the same type, it is possible to distinguish the combined controlled device types by numbers.

<Table 7> Mapping table of controlled device type

Digital code Controlled Device Type 0x01 TV 0x02 VTR 0x03 DVD PLAYER 0x04 TWOWAY TV SET TOP BOX 0x05 HOME THEATER 0x06 AIR CONDITION 0x07 AUDIO PLAYER 0x08 Satellite Receiver SET TOP BOX 0x09 Local reception SET TOP BOX 0x0A Etc

In addition, in the remote control system according to the present invention, once the corresponding function and the transmission method are set according to the digital code read by the image sensor 4 as described above, the buttons 10 to 13 of the buttons 10 to 13 of the remote controller 15 are set. By setting the function, when the user uses the remote controller 15, the user can press the corresponding button to perform the corresponding function for convenience. For this purpose, a button mapping table is set and stored in the memory 6, and a preferable example thereof is shown in Table 8. That is, if the read digital code values are "0x01" and "0x02", the function to display the set controlled device is given to the mode button 10, and the function to control the on / off power of the controlled device is provided by the power button. It is given to (11) and set.

<Table 8> Button Mapping Table

Digital code button Explanation 0x01 MODE Controlled Device Settings 0x02 POWER Power ON / OFF Control 0x03 UP Each setting value (e.g. channel +) 0x04 LEFT Each setting (e.g. volume-) 0x05 RIGHT Each setting (e.g. volume +) 0x06 DOWN Each setting value (e.g. channel-) 0x07 ENTER Each setting (for example, execution)

Further, in the present invention, the digital code 3 indicating the setting mode for adding control information of the controlled device gives a printing order of each digital code value to be printed, which is shown in FIG.

That is, the printing order of the digital code 3 includes the digital code (21: see Table 2) of the self-setting code value area, the digital code (22: see Table 7) which determines the type of the controlled device, and the controlled device code A digital code (23: see Table 5), a digital code for button mapping (24: see Table 8), and a digital code (25: see Table 2) in the self-setting code value area.

At this time, the first and the last positions of the digital codes 21 and 25 in the self-setting code value area will be explained in the second embodiment, but the functions not set and stored in the memory 6 of the remote control system will be described. It is for when adding. That is, if the printed digital code is recognized as the first printed "0x01" in the self-setting code value area (see Table 2), the assignment of the digital code is started, followed by the type of controlled device to be printed in turn. The control function is learned, set and stored according to the digital code 22, the digital code 23 for determining the controlled code of the controlled device, and the digital code 24 for assigning the function to the button, and finally the self-setting code value printed. The allocation of the digital code is terminated by recognizing "0x02" in the area.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail.

Example 1

In the present embodiment, a method of operating a corresponding controller by scanning a digital code on a printed matter using a remote control system according to the present invention will be described with reference to FIG. 4A. 4A and 4B are flowcharts illustrating the operation of the remote control system according to the present invention.

First, the user scans an arbitrary image containing a digital code 3 printed transparently or translucently on the printed matter 2, and the image sensor 4 sends it to the control code conversion processor 5, which controls the control code conversion processor. (5) restores it to a series of digital codes (S400).

At this time, if the digital code of the self-setting code value area is not recognized (S401), the control code conversion processor 5 is restored from the controlled device control code mapping table (see Table 5) stored in the memory (6). After reading the controlled device type code mapped to the digital code, the controlled device type corresponding to the type code is read out from the mapping table of the controlled device type stored in the memory (see Table 7). It displays on the operation display window 9 (S403). Similarly, a function control code value mapped to the restored digital code, a function control code length, and a binary code for an infrared transmission method are read from a controlled device control code mapping table (see Table 5). After reading the infrared transmission scheme mapped to the binary code from the mapping table (see Table 6) (S404), the function control code value is repeated by the function control code length to be modulated and amplified by the infrared transmission method. The control unit transmits the signal to the controller through the signal transmission unit 7 (S405). In this case, since the digital code 21 corresponding to the self-setting code value area does not exist initially, the digital code 24 for assigning a function to the button and the digital code of the self-setting code value area instructing termination of the digital code assignment are given. 25 is, of course, not printed and therefore not recognized. When the digital code of the self setting code value area is recognized earlier (S401), it is switched to the setting mode in the second embodiment described later and executed (S). When the restored digital code does not exist in the controlled device control code mapping table (see Table 5) stored in the memory 6 (S402), the process is switched to the Internet connection mode in the third embodiment described later and executed. (I)

Example 2

In this embodiment, a method of adding a function to a button of the remote control system according to the present invention will be described with reference to FIG. 4B as before. As a result, the user can control the controlled device by pressing a corresponding button on the remote controller without a separate scan operation.

In this case, unlike the first embodiment, the digital code 3 on the printed matter 2 includes a digital code 21 for instructing the start of digital code assignment as the self-setting code value area. That is, as described above, the sequence of the digital codes includes the digital code 21 of the self setting code value area, the digital code 22 for determining the type of the controlled device, if the digital code exists in the self setting code value area. The digital codes 23 for determining the device control codes, the digital codes 24 for giving functions to the buttons, and the digital codes 25 for the self-setting code value area are sequentially printed and recognized.

First, the process of scanning the printed digital code 3 and restoring it into a series of digital codes is the same as that of the first embodiment (S400). If the digital code of the self setting code value area is recognized (S401), the control code conversion processor 5 switches to the setting mode (S406), and if the first digital code value is "0x01" (S407), The digital code assignment will begin. Subsequently, the controlled device is read from the mapping table of the controlled device type (refer to Table 7) stored in the memory 6 according to the digital code for determining the controlled device type, displayed on the operation display window 9 and buffered. Is temporarily stored in the memory (S408), and the function control code value, the function control code length, and the infrared transmission method (see Tables 5 and 6) are read from the memory 6 according to the digital code for determining the controlled device control code. Temporarily store in a buffer (S409). In addition, the digital code for button mapping is recognized and a function is assigned to the button accordingly, and this is also temporarily stored in the buffer (S410). If the recognized digital code value is " 0x02 " in Table 2 (S411), the allocation of the digital code is terminated accordingly, and the values previously stored in the buffer are added to or updated in the memory 6, and completed at the same time. The operation display window 9 and a sound are displayed (S412). In addition, if the digital code value is not "0x01" in advance (S407), it is then checked whether the digital code value is not a digital code value indicating digital code allocation or termination of adjustment (S413). If so, because the digital code is recognized or printed incorrectly, " ERROR " is displayed on the operation display window 9 (S414). If not, the remaining digital code values in the self-setting code value area table (see Table 2), i.e., the digital code indicating its own configuration, such as "Adjusting LED brightness of the remote control" and "Adjusting the operation volume of the remote control". Since it is a value, the environment setting is displayed on the operation display window 9 (S413), and the environment setting is made according to the control command of Table 2 mapped to the digital code value, and it is temporarily stored in the buffer (S416). When the digital code value indicating the end of the adjustment is recognized (S417), the values temporarily stored in the buffer are stored in the memory 6, and the operation display window 9 and the sound are displayed (S412). do.

Example 3

The present embodiment relates to a remote control system according to the present invention to access the Internet via a URL corresponding to a digital code, download a VOD, and watch on a digital TV. That is, when the digital code corresponding to the service request code area of Table 4 described above on the printed matter 2 is scanned by the remote controller 15 and the digital code is restored, the digital code is transmitted to the digital TV set-top box. It is possible to download and watch VOD by accessing the internet through the corresponding URL. As such, the present embodiment can be used for an interactive digital TV.

5A is a schematic structural diagram of a remote control system according to the present invention applied to an interactive digital TV set-top box, and FIG. 5B is a flowchart thereof. This embodiment will be described with reference to FIGS. 4A, 5A and 5B.

First, after scanning and restoring the digital code printed on the printed matter 2, if there is no self setting code, it recognizes the type code of the controlled device and displays it on the operation display window 9 as in Example 1 (S400 ~). S402). Then, if the recognized controlled device control code does not exist in the controlled device control code mapping table (see Table 5) stored in the memory 6 (S403), the control code conversion processor 5 performs the digital code. A predetermined carrier code (for example, x0FF) is combined with the value (S500), and also modulated and amplified by a transmission signal using a predetermined binary coding scheme and transmitted to the corresponding digital TV set-top box (S501). At this time, the carrier code and the binary coding method is determined in advance in consultation with the manufacturer of the digital TV set-top box. The control signal transmitted in this way is received by the signal receiving unit 39 in the bidirectional digital TV set-top box 30 and restored to the function control code, and then the remote control driver 38 of the operating system (O / S) 35. (S502). The remote control driver 38 distributes the function control code to the device control processor 36 and the application program execution processor 37. The function control code combined with the carrier code deletes the carrier code. It is input to the application program execution processor 37 (S503). Of course, the general function control code present in the controlled device control code mapping table (see Table 5) of the memory 6 is input to the device control processor 36 to control the interactive digital TV set-top box 30. Then, the application program execution processor 37 reads the URL mapped with the function control code from the memory 40, and downloads the VOD or the like, which is the corresponding data, from the digital TV service server 32 through the Internet via the URL. This is transmitted to the digital TV (S504). Therefore, according to the present embodiment, the user can download the desired VOD or the like from the Internet network and scan the digital code printed on the printed matter 2 such as a leaflet and watch it on the digital TV.

Example 4

In this embodiment, the remote control system according to the present invention is applied to the control of the MP3 player. That is, in the existing MP3 player that outputs printed text and corresponding sounds, it is difficult to accurately search the sound position related to the text, so that it is difficult to find the desired position or listen repeatedly. Have However, if the MP3 player recognizes the digital code using text including the digital code in each section, accurate position search for each sound data section is possible. This is especially useful for the use of MP3 players that provide lyrics.

6A is a schematic structural diagram of conventional MP3 acoustic data for providing lyrics, and FIG. 6B is a schematic structural diagram of MP3 acoustic data including a digital code in an embodiment of the present invention, and FIG. 6C is an embodiment of the present invention. The example of a structure of printed matter containing a digital code is shown. 7 is a schematic structural diagram of a conventional MP3 player.

In a typical MP3 player providing lyrics as shown in FIG. 6A, when the time corresponding to each TIME 1 and TIME 2... TIME N is reached, the corresponding texts TEXT 1 and TEXT 2. 44). However, in the present embodiment, as shown in FIG. 6B, sound data having a structure in which TEXT 1, TEXT 2 ... TEXT N is replaced with digital code 1, digital code 2 ... digital code N is used. If you print a transparent or semi-transparent digital code that marks each location on different points of the print and recognize it as a remote control system according to the present invention, a unique digital code is given for each specific time to retrieve the exact location you want. This becomes possible.

8 shows an operation flowchart of a remote control system applied to an MP3 player according to an embodiment of the present invention, and the operation of the present embodiment will be described with reference to this.

First, the user directly connects the remote controller 15 according to the present invention to a universal serial bus (USB) through an external input / output device 47 of the MP3 player 50 (S800). 6C, when the text including the corresponding digital code is scanned by the scanner 14 of the remote controller 15 in each section (S801), the control code conversion processor 5 performs the above-mentioned operation through the image sensor 4. The digital code is restored and transmitted to the external input / output device 47 of the MP3 player 50 (S802). The processor 45 recognizes this and reads a record corresponding to the digital code from the text area as shown in FIG. 6B located at the rear of the corresponding sound file of the flash memory 46 (S803). Then, it moves to the position of the corresponding sound data instructed based on the TIME value of the record, and outputs the sound file to the speaker 42 through the MP3 decoder 43 (S804). In this way, the user can easily access the acoustic data of the exact position desired by the user.

As described above, according to the present invention, various types of electronic devices can be controlled by only scanning a digital code printed on distributed printed matter, thereby integrating a remote controller for each manufacturer and product. It can be used as a remote controller, and the multifunction button attached to the remote controller is no longer needed, which makes it convenient to use.

In addition, according to the present invention, in a two-way digital TV environment consisting of a set-top box connecting the digital TV and the high-speed Internet, the Internet is connected to the URL by only scanning a digital code printed on printed matter distributed by various vendors. By doing so, you can download VODs such as various product advertisements or programs and watch them on digital TV.

In addition, according to the present invention, by connecting the remote controller 15 to the MP3 player 50 by USB control, it is possible to precisely search the position of each section of the sound data to easily find the desired position or listen repeatedly. Work is possible.

Claims (7)

In a remote control system that controls a controlled device by scanning a printed digital code, Printed digital codes; A sensor unit for recognizing the digital code and converting the digital code into a digital signal; A control code mapped to the digital code is stored, the control code comprising a memory including a code value for function control of a controlled device and a code value for a transmission scheme; A processor configured to receive the digital signal and restore the original digital code value, extract the control code corresponding to the corresponding digital code from the memory, and modulate the digital code into a transmission signal; And a signal transmission unit for transmitting the transmission signal to a corresponding controlled device. The method of claim 1, wherein the range of the digital code value is A self setting code value area for further setting of a control function for a controlled device and an environment setting of the remote control system; A controlled device control code value area for controlling the controlled device; A remote control system comprising a service request code value area for accessing an internet network. 3. The remote control system according to claim 2, wherein the range of the digital code value further comprises a controlled device type code value for indicating a controlled device currently controlled. 4. The remote control according to claim 2 or 3, wherein the range of the digital code value further comprises a button mapping code value for mapping a control function of an additionally controlled device to a button of the remote control system. system. 5. The digital code according to claim 4, wherein the digital code comprises a self setting code value, a controlled device type code value, a controlled device control code value, a button mapping code value, and a self setting code value and is printed in a predetermined order. Remote control system, characterized in that the recognition. The method of claim 1, wherein the memory is A mapping table including a function control code value, a function control code length, and a transmission mode code for a controlled device mapped with the digital code value; A mapping table including a transmission type of a signal mapped to the transmission method code; A mapping table including a type of controlled device mapped to the digital code value; And a mapping table including a button type of the remote control system mapped to the digital code value, wherein the mapping tables are added and updated. The remote control system according to claim 1, wherein the transmission signal is transmitted by at least one of infrared communication, USB communication or wireless communication in accordance with Bluetooth protocol.