WO2021054488A1 - Dispositif d'affichage et système d'affichage - Google Patents

Dispositif d'affichage et système d'affichage Download PDF

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Publication number
WO2021054488A1
WO2021054488A1 PCT/KR2019/011990 KR2019011990W WO2021054488A1 WO 2021054488 A1 WO2021054488 A1 WO 2021054488A1 KR 2019011990 W KR2019011990 W KR 2019011990W WO 2021054488 A1 WO2021054488 A1 WO 2021054488A1
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WO
WIPO (PCT)
Prior art keywords
remote control
control device
signal
communication
display device
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Application number
PCT/KR2019/011990
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English (en)
Korean (ko)
Inventor
서관희
백상현
안상진
유선일
Original Assignee
엘지전자 주식회사
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.)
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Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to PCT/KR2019/011990 priority Critical patent/WO2021054488A1/fr
Publication of WO2021054488A1 publication Critical patent/WO2021054488A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]

Definitions

  • the present invention relates to a display device and a display system including a display device and a remote control device.
  • the user can use the display device more conveniently by using the remote control device. For example, a user far away from the display device can conveniently control the display device through the remote control device.
  • a display device has been controlled mainly by receiving an infrared signal from a remote control device.
  • the remote control device has a limitation in that only commands such as channel up/down, volume up/down, direction movement, etc. can be transmitted to the display device.
  • the Bluetooth connection between the display device and the remote control device is abnormally disconnected. That is, even though there is no request to release the Bluetooth connection while the display device and the remote control device are normally paired and connected, the Bluetooth connection between the display device and the remote control device is lost due to various causes such as changes in the wireless environment and device defects. Sometimes it breaks. In this case, there is a problem in that the pointer on which the display device is being displayed suddenly disappears or does not operate even when a button provided in the remote control device is pressed. In order to solve this problem, service costs are incurred if remote or in-person intervention by a service engineer is required.
  • An object of the present invention is to provide a display device and a display system that automatically reconnects with a remote control device when a wireless connection with a remote control device is abnormally disconnected.
  • An object of the present invention is to provide a display device and a display system that automatically detects disconnection of a wireless connection with a remote control device and performs reconnection with the remote control device.
  • the display device includes a display unit, a user input interface unit for receiving a signal of a first communication method from a remote control device, and transmitting a signal reception confirmation signal to the remote control device, and a user input interface unit remotely.
  • a control unit for controlling the user input interface to transmit a reset signal to the remote control device after recognizing that the communication of the first communication method with the remote control device is disconnected upon receiving a preset signal of the second communication method from the control device. can do.
  • the controller may control the display to display a guide for guiding the disconnection state while reconnecting the communication of the first communication method.
  • the controller may recognize the communication of the first communication method as a disconnection state.
  • the controller When the controller transmits a reset signal to the remote control device and receives a pairing signal in response to the reset signal from the remote control device, the controller may control the communication of the first communication method in a connected state according to the pairing signal.
  • the user input interface unit may transmit a reset signal to the remote control device through communication in the first communication method, and receive a pairing signal from the remote control device through communication in the second communication method.
  • the first communication method may be Bluetooth communication
  • the second communication method may be IR communication.
  • a display system includes a display device including a remote control device and a display unit that displays a pointer according to movement of the remote control device, and the display device receives a signal of a first communication method from the remote control device. Recognizes that the communication of the first communication method with the remote control device is disconnected when receiving, transmitting a signal confirmation signal to the remote control device, and receiving a preset signal of the second communication method from the remote control device. In addition, by transmitting a reset signal to the remote control device, the first communication and reconnection can be performed.
  • the remote control device may transmit a motion signal to the display device when motion of the remote control device is detected, and may transmit a preset signal to the display device when a response signal corresponding to the motion signal from the display device is not received for a preset predetermined time.
  • the remote control device may transmit a connection status confirmation signal to the display device every setting period, and when a response signal corresponding to the connection status confirmation signal from the display device is not received for a predetermined period of time, a preset signal may be transmitted to the display device.
  • the remote control device may transmit a preset signal to the display device when it fails to transmit a motion signal to the display device after detecting movement of the remote control device.
  • the display device may transmit a reset signal to the remote control device.
  • the display device may display a guide for guiding the disconnection state through the display unit.
  • the display device may recognize the communication state of the first communication method as a disconnected state when receiving a preset signal from the remote control device through communication of the second communication method.
  • the remote control device When the remote control device receives a reset signal from the display device, it transmits a pairing signal in response to the reset signal to the display device, and when the display device receives a pairing signal from the remote control device, a first communication method with the remote control device according to the pairing signal. Pairing can be performed for communication connection of.
  • a wireless connection is performed by automatically detecting a case that the wireless connection between the display device and the remote control device is disconnected even when there is no request for disconnection from the user, thereby minimizing the inconvenience that may occur while using the remote control device.
  • FIG. 1 is a block diagram illustrating a configuration of a display device according to an embodiment of the present invention.
  • FIG. 2 is a block diagram of a remote control device according to an embodiment of the present invention.
  • FIG. 3 shows an example of an actual configuration of a remote control device according to an embodiment of the present invention.
  • FIG. 4 shows an example of using a remote control device according to an embodiment of the present invention.
  • FIG. 5 is a ladder diagram illustrating a method of operating a display system according to an embodiment of the present invention.
  • FIG. 6 is a diagram for describing a method of detecting an abnormal disconnection state by the display device according to the first exemplary embodiment of the present invention.
  • FIG. 7 is a diagram illustrating a method of detecting an abnormal disconnection state by a display device according to a second exemplary embodiment of the present invention.
  • FIG. 8 is a diagram illustrating a method of detecting an abnormal disconnection state by a display device according to a third exemplary embodiment of the present invention.
  • FIG. 9 is a diagram illustrating a method of detecting an abnormal disconnection state by a display device according to a fourth exemplary embodiment of the present invention.
  • FIG. 10 is an exemplary diagram of a method of displaying a guide for guiding that a display device is in an abnormal disconnection state according to an exemplary embodiment of the present invention.
  • FIG. 1 is a block diagram illustrating a configuration of a display device according to an embodiment of the present invention.
  • the display device 100 includes a broadcast receiving unit 130, an external device interface unit 135, a storage unit 140, a user input interface unit 150, a control unit 170, and a wireless communication unit 173.
  • a voice acquisition unit 175, a display unit 180, an audio output unit 185, and a power supply unit 190 may be included.
  • the broadcast reception unit 130 may include a tuner 131, a demodulation unit 132, and a network interface unit 133.
  • the tuner 131 may tune into a specific broadcast channel according to a channel selection command.
  • the tuner 131 may receive a broadcast signal for a selected specific broadcast channel.
  • the demodulator 132 may divide the received broadcast signal into a video signal, an audio signal, and a data signal related to a broadcast program, and restore the separated video signal, audio signal, and data signal into a form capable of outputting.
  • the network interface unit 133 may provide an interface for connecting the display device 100 to a wired/wireless network including an Internet network.
  • the network interface unit 133 may transmit or receive data with other users or other electronic devices through a connected network or another network linked to the connected network.
  • the network interface unit 133 may access a predetermined web page through a connected network or another network linked to the connected network. That is, by accessing a predetermined web page through a network, the server and data can be transmitted or received.
  • the network interface unit 133 may receive content or data provided by a content provider or a network operator. That is, the network interface unit 133 may receive content such as movies, advertisements, games, VODs, broadcast signals, and related information provided from a content provider or a network provider through a network.
  • the network interface unit 133 may receive update information and an update file of firmware provided by a network operator, and may transmit data to an Internet or content provider or network operator.
  • the network interface unit 133 may select and receive a desired application from among applications open to the public through a network.
  • the external device interface unit 135 may receive an application or an application list in an adjacent external device and transmit it to the control unit 170 or the storage unit 140.
  • the external device interface unit 135 may provide a connection path between the display device 100 and an external device.
  • the external device interface unit 135 may receive one or more of an image and audio output from an external device connected to the display device 100 by wire or wirelessly, and transmit it to the control unit 170.
  • the external device interface unit 135 may include a plurality of external input terminals.
  • the plurality of external input terminals may include an RGB terminal, one or more HDMI (High Definition Multimedia Interface) terminals, and a component terminal.
  • An image signal of an external device input through the external device interface unit 135 may be output through the display unit 180.
  • the audio signal of an external device input through the external device interface unit 135 may be output through the audio output unit 185.
  • the external device connectable to the external device interface unit 135 may be any one of a set-top box, a Blu-ray player, a DVD player, a game console, a sound bar, a smartphone, a PC, a USB memory, and a home theater, but this is only an example. .
  • some content data stored in the display device 100 may be transmitted to another user registered in advance in the display device 100 or a selected user or a selected electronic device among other electronic devices.
  • the storage unit 140 may store a program for processing and controlling each signal in the controller 170, and may store a signal-processed image, audio, or data signal.
  • the storage unit 140 may perform a function for temporary storage of a video, audio, or data signal input from the external device interface unit 135 or the network interface unit 133. You can also store information about the image.
  • the storage unit 140 may store an application or an application list input from the external device interface unit 135 or the network interface unit 133.
  • the display device 100 may play content files (movie files, still image files, music files, document files, application files, etc.) stored in the storage unit 140 and provide them to a user.
  • content files moving files, still image files, music files, document files, application files, etc.
  • the user input interface unit 150 may transmit a signal input by the user to the controller 170 or may transmit a signal from the controller 170 to the user.
  • the user input interface unit 150 according to various communication methods such as Bluetooth, WB (Ultra Wideband), ZigBee method, RF (Radio Frequency) communication method, or infrared (IR) communication method, Control signals such as power on/off, channel selection, and screen setting may be received and processed from the remote control device 200, or a control signal from the control unit 170 may be transmitted to the remote control device 200.
  • the user input interface unit 150 may transmit a control signal input from a local key (not shown) such as a power key, a channel key, a volume key, and a set value to the control unit 170.
  • a local key such as a power key, a channel key, a volume key, and a set value
  • the image signal processed by the controller 170 may be input to the display unit 180 and displayed as an image corresponding to the corresponding image signal.
  • the image signal processed by the controller 170 may be input to an external output device through the external device interface unit 135.
  • the audio signal processed by the controller 170 may be audio output to the audio output unit 185.
  • the voice signal processed by the control unit 170 may be input to an external output device through the external device interface unit 135.
  • controller 170 may control the overall operation of the display apparatus 100.
  • control unit 170 may control the display device 100 by a user command or an internal program input through the user input interface unit 150, and access the network to display an application or application list desired by the user. It can be downloaded within (100).
  • the control unit 170 enables channel information selected by the user to be output through the display unit 180 or the audio output unit 185 together with the processed image or audio signal.
  • control unit 170 in accordance with the external device image playback command received through the user input interface unit 150, from an external device input through the external device interface unit 135, for example, from a camera or camcorder, An image signal or an audio signal may be output through the display unit 180 or the audio output unit 185.
  • control unit 170 may control the display unit 180 to display an image, for example, a broadcast image input through the tuner 131 or an external input input through the external device interface unit 135
  • An image, an image input through the network interface unit, or an image stored in the storage unit 140 may be controlled to be displayed on the display unit 180.
  • the image displayed on the display unit 180 may be a still image or a moving image, and may be a 2D image or a 3D image.
  • the controller 170 may control content stored in the display device 100, received broadcast content, and external input content input from the outside to be played, and the content includes a broadcast image, an external input image, an audio file, and a stop. It may be in various forms such as an image, a connected web screen, and a document file.
  • the wireless communication unit 173 may communicate with an external device through wired or wireless communication.
  • the wireless communication unit 173 may perform short range communication with an external device.
  • the wireless communication unit 173 includes BluetoothTM, Bluetooth Low Energy (BLE), Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, and NFC (Near NFC). Field Communication), Wi-Fi (Wireless-Fidelity), Wi-Fi Direct, and Wireless Universal Serial Bus (USB) technologies may be used to support short-range communication.
  • the wireless communication unit 173 is provided between the display device 100 and a wireless communication system, between the display device 100 and another display device 100, or between the display device 100 and the display device 100 through wireless area networks. Wireless communication between networks in which the display device 100 or an external server is located may be supported.
  • the local area wireless communication networks may be wireless personal area networks (Wireless Personal Area Networks).
  • the other display device 100 is a wearable device capable of exchanging (or interlocking with) data with the display device 100 according to the present invention, for example, a smartwatch, smart glasses. (smart glass), HMD (head mounted display)), it can be a mobile terminal such as a smart phone.
  • the wireless communication unit 173 may detect (or recognize) a wearable device capable of communicating around the display apparatus 100.
  • the control unit 170 transmits at least part of the data processed by the display apparatus 100 to the wireless communication unit ( 173) can be transmitted to the wearable device. Accordingly, a user of the wearable device may use data processed by the display apparatus 100 through the wearable device.
  • the voice acquisition unit 175 may acquire audio.
  • the voice acquisition unit 175 may include at least one microphone (not shown), and may acquire audio around the display apparatus 100 through a microphone (not shown).
  • the display unit 180 converts an image signal, a data signal, an OSD signal processed by the control unit 170, or an image signal and a data signal received from the external device interface unit 135 into R, G, and B signals, respectively. Can generate signals.
  • the display device 100 shown in FIG. 1 is only an embodiment of the present invention. Some of the illustrated components may be integrated, added, or omitted according to the specifications of the display device 100 that is actually implemented.
  • two or more components may be combined into one component, or one component may be subdivided into two or more components to be configured.
  • functions performed by each block are for explaining an embodiment of the present invention, and specific operations or devices thereof do not limit the scope of the present invention.
  • the display apparatus 100 does not include a tuner 131 and a demodulation unit 132, but a network interface unit 133 or an external device interface unit ( 135) can also be received and played.
  • the display device 100 is implemented by being divided into an image processing device such as a set-top box, such as for receiving broadcast signals or contents according to various network services, and a content reproducing device for reproducing content input from the image processing device.
  • an image processing device such as a set-top box, such as for receiving broadcast signals or contents according to various network services
  • a content reproducing device for reproducing content input from the image processing device. Can be.
  • the method of operating the display device according to an embodiment of the present invention to be described below is not only the display device 100 as described with reference to FIG. 1, but also an image processing device or display unit 180 such as a separate set-top box. ) And an audio output unit 185.
  • the audio output unit 185 receives a signal processed by the control unit 170 and outputs it as a voice.
  • the power supply unit 190 supplies corresponding power to the entire display apparatus 100.
  • power is supplied to the control unit 170 that can be implemented in the form of a System On Chip (SOC), the display unit 180 for image display, and the audio output unit 185 for audio output. I can.
  • SOC System On Chip
  • the power supply unit 190 may include a converter that converts AC power to DC power and a dc/dc converter that converts the level of the DC power.
  • FIG. 2 is a block diagram of a remote control device according to an embodiment of the present invention
  • FIG. 3 is a block diagram showing an example of an actual configuration of a remote control device according to an embodiment of the present invention.
  • the remote control device 200 includes a fingerprint recognition unit 210, a wireless communication unit 220, a user input unit 230, a sensor unit 240, an output unit 250, and a power supply unit 260. ), a storage unit 270, a control unit 280, and a voice acquisition unit 290.
  • the wireless communication unit 220 transmits and receives signals to and from any one of the display devices according to the exemplary embodiments described above.
  • the remote control device 200 includes an RF module 221 capable of transmitting and receiving signals with the display device 100 according to the RF communication standard, and capable of transmitting and receiving signals with the display device 100 according to the IR communication standard.
  • An IR module 223 may be provided.
  • the remote control device 200 may include a Bluetooth module 225 capable of transmitting and receiving signals to and from the display device 100 according to a Bluetooth communication standard.
  • the remote control device 200 includes an NFC module 227 capable of transmitting and receiving signals with the display device 100 according to the NFC (Near Field Communication) communication standard, and the display according to the WLAN (Wireless LAN) communication standard.
  • a WLAN module 229 capable of transmitting and receiving signals to and from the device 100 may be provided.
  • the remote control device 200 transmits a signal containing information about the movement of the remote control device 200 to the display device 100 through the wireless communication unit 220.
  • the remote control device 200 may receive a signal transmitted from the display device 100 through the RF module 221, and, if necessary, the power to the display device 100 through the IR module 223 / Commands related to off, channel change, volume change, etc. can be transmitted.
  • the user input unit 230 may include a keypad, a button, a touch pad, or a touch screen. A user may input a command related to the display device 100 to the remote control device 200 by manipulating the user input unit 230.
  • the user input unit 230 includes a hard key button, the user may input a command related to the display device 100 to the remote control device 200 through a push operation of the hard key button. This will be described with reference to FIG. 3.
  • the remote control device 200 may include a plurality of buttons.
  • the plurality of buttons include a fingerprint recognition button 212, a power button 231, a home button 232, a live button 233, an external input button 234, a volume control button 235, a voice recognition button 236, A channel change button 237, a confirmation button 238, and a back button 239 may be included.
  • the fingerprint recognition button 212 may be a button for recognizing a user's fingerprint. As an example, the fingerprint recognition button 212 is capable of a push operation and may receive a push operation and a fingerprint recognition operation.
  • the power button 231 may be a button for turning on/off the power of the display apparatus 100.
  • the home button 232 may be a button for moving to the home screen of the display device 100.
  • the live button 233 may be a button for displaying a real-time broadcast program.
  • the external input button 234 may be a button for receiving an external input connected to the display device 100.
  • the volume control button 235 may be a button for adjusting the volume of the volume output by the display apparatus 100.
  • the voice recognition button 236 may be a button for receiving a user's voice and recognizing the received voice.
  • the channel change button 237 may be a button for receiving a broadcast signal of a specific broadcast channel.
  • the confirmation button 238 may be a button for selecting a specific function, and the back button 239 may be a button for returning to a previous screen.
  • the user input unit 230 When the user input unit 230 includes a touch screen, the user may input a command related to the display device 100 to the remote control device 200 by touching a soft key on the touch screen.
  • the user input unit 230 may include various types of input means that a user can manipulate, such as a scroll key or a jog key, and the present embodiment does not limit the scope of the present invention.
  • the sensor unit 240 may include a gyro sensor 241 or an acceleration sensor 243, and the gyro sensor 241 may sense information about movement of the remote control device 200.
  • the gyro sensor 241 may sense information on the operation of the remote control device 200 based on the x, y, and z axes, and the acceleration sensor 243 is the moving speed of the remote control device 200 Information about the back can be sensed.
  • the remote control device 200 may further include a distance measuring sensor, so that the distance to the display unit 180 of the display device 100 may be sensed.
  • the output unit 250 may output an image or audio signal corresponding to an operation of the user input unit 230 or a signal transmitted from the display apparatus 100. Through the output unit 250, the user may recognize whether the user input unit 230 is operated or whether the display apparatus 100 is controlled.
  • the output unit 250 includes an LED module 251 that lights up when a user input unit 230 is manipulated or a signal is transmitted and received with the display device 100 through the wireless communication unit 220, and a vibration module that generates vibration ( 253), a sound output module 255 for outputting sound, or a display module 257 for outputting an image may be provided.
  • the power supply unit 260 supplies power to the remote control device 200, and when the remote control device 200 is not moved for a predetermined period of time, the power supply may be stopped, thereby reducing power waste.
  • the power supply unit 260 may resume power supply when a predetermined key provided in the remote control device 200 is operated.
  • the storage unit 270 may store various types of programs and application data necessary for controlling or operating the remote control device 200. If the remote control device 200 wirelessly transmits and receives signals through the display device 100 and the RF module 221, the remote control device 200 and the display device 100 transmit and receive signals through a predetermined frequency band. .
  • the control unit 280 of the remote control device 200 stores information about a frequency band through which signals can be wirelessly transmitted and received with the display device 100 paired with the remote control device 200 in the storage unit 270 for reference. can do.
  • the controller 280 controls all items related to the control of the remote control device 200.
  • the control unit 280 transmits a signal corresponding to the operation of a predetermined key by the user input unit 230 or a signal corresponding to the movement of the remote control device 200 sensed by the sensor unit 240 through the wireless communication unit 220. 100).
  • the voice acquisition unit 290 of the remote control device 200 may acquire a voice.
  • the voice acquisition unit 290 may include at least one microphone 291, and may acquire a voice through the microphone 291.
  • FIG. 4 will be described.
  • FIG. 4 shows an example of using a remote control device according to an embodiment of the present invention.
  • FIG. 4A illustrates that a pointer 205 corresponding to the remote control device 200 is displayed on the display unit 180.
  • the user can move or rotate the remote control device 200 up and down, left and right.
  • the pointer 205 displayed on the display unit 180 of the display device 100 corresponds to the movement of the remote control device 200.
  • the remote control device 200 since the corresponding pointer 205 is moved and displayed according to movement in 3D space, the remote control device 200 may be referred to as a space remote controller.
  • FIG. 4B illustrates that when the user moves the remote control device 200 to the left, the pointer 205 displayed on the display unit 180 of the display device 100 also moves to the left in response thereto.
  • the display device 100 may calculate the coordinates of the pointer 205 from information about the movement of the remote control device 200.
  • the display apparatus 100 may display the pointer 205 to correspond to the calculated coordinates.
  • FIG. 4C illustrates a case in which a user moves the remote control device 200 away from the display unit 180 while pressing a specific button in the remote control device 200. Accordingly, the selection area in the display unit 180 corresponding to the pointer 205 may be zoomed in and displayed in an enlarged manner.
  • a selection area in the display unit 180 corresponding to the pointer 205 may be zoomed out and displayed in a reduced size.
  • the selection area may be zoomed out, and when the remote control device 200 approaches the display unit 180, the selection area may be zoomed in.
  • the moving speed or moving direction of the pointer 205 may correspond to the moving speed or moving direction of the remote control device 200.
  • a pointer refers to an object displayed on the display unit 180 in response to an operation of the remote control device 200. Accordingly, objects of various shapes other than the arrow shape shown in the drawing are possible with the pointer 205. For example, it may be a concept including a point, a cursor, a prompt, a thick outline, and the like. In addition, the pointer 205 may be displayed corresponding to any one of the horizontal axis and the vertical axis on the display unit 180, as well as corresponding to a plurality of points such as a line and a surface. Do.
  • the display system may include the display device 100 and the remote control device 200 described above.
  • the display apparatus 100 and the remote control apparatus 200 may transmit and receive signals through at least one of a first communication or a second communication.
  • the first communication may be Bluetooth communication
  • the second communication may be infrared (IR) communication
  • the first communication and the second communication may be different according to embodiments.
  • the first communication may be RF communication
  • the second communication may be infrared (IR) communication, but this is only an example, and the present disclosure is not limited thereto.
  • the display device 100 may receive a signal from the remote control device 200 through Bluetooth or infrared light, and the remote control device 200 may receive a signal from the display device 100 through Bluetooth.
  • the display device 100 includes a Bluetooth module 152 (refer to FIG. 6) for Bluetooth communication with the remote control device 200 and an IR module 154 (refer to FIG. 6) for infrared communication with the remote control device 200.
  • the remote control device 200 may include a Bluetooth module 225 for Bluetooth communication with the display device 100 and an IR module 223 for infrared communication with the display device 100.
  • the display device 100 may perform pairing when connecting with the remote control device 200 for the first time by Bluetooth.
  • Pairing means registering the display device 100 and the remote control device 200 so that they can be wirelessly connected and operated.
  • the display device 100 may receive and store identification information (eg, BT address) of the remote control device 200 from the remote control device 200.
  • identification information eg, BT address
  • the display device 100 and the remote control device 200 After the display device 100 and the remote control device 200 perform pairing, they may be automatically connected without pairing.
  • the Bluetooth state between the display device 100 and the remote control device 200 is a connection state, a temporary disconnection state, a normal disconnection state, or an abnormal state. It may be in any of the disconnected states.
  • the connected state may mean a state in which signal transmission/reception is possible between the display device 100 and the remote control device 200.
  • the temporary disconnected state is a state controlled when the display device 100 or the remote control device 200 does not receive a user input for a predetermined time or longer, and a Bluetooth connection is temporarily disconnected to reduce power consumption. It may be in an unlocked state.
  • the Bluetooth state between the display device 100 and the remote control device 200 may be switched from a connected state to a temporary disconnected state.
  • the Bluetooth state between the display device 100 and the remote control device 200 is temporarily disconnected, when a movement of the remote control device 200 is detected, it may be switched to the connected state.
  • the normal disconnected state may be a state in which a Bluetooth connection between the display device 100 and the remote control device 200 is released as a request for disconnection of Bluetooth is received.
  • the Bluetooth state of the display device 100 and the remote control device 200 when the Bluetooth state of the display device 100 and the remote control device 200 is in a normal connection disconnection state, when a Bluetooth connection request is received, it may be switched to the connected state.
  • the abnormal disconnected state may be a state in which a Bluetooth connection disconnection request is not received, but a Bluetooth connection between the display device 100 and the remote control device 200 is disconnected.
  • the Bluetooth state of the display device 100 and the remote control device 200 may be converted into an abnormal connection disconnection state due to various causes such as a wireless environment in which the display system is installed or a device state.
  • the display unit 180 cannot display the pointer 205 according to the movement of the remote control device 200.
  • the remote control device 200 may not be able to transmit a signal to the display device 100.
  • the display device and the display system automatically detects an abnormal disconnection state between the display device 100 and the remote control device 200, and automatically detects an abnormal disconnection state. It is intended to reconnect Bluetooth communication between the display device 100 and the remote control device 200.
  • FIG. 5 is a ladder diagram illustrating a method of operating a display system according to an embodiment of the present invention.
  • the display device 100 may perform pairing for connection between the remote control device 200 and the first communication (S11).
  • the control unit 170 may perform pairing for connection of the remote control device 200 and the first communication.
  • the first communication may be Bluetooth communication.
  • the display device 100 may receive identification information from the remote control device 200 when performing pairing for connection of the first communication.
  • the control unit 170 may store identification information received from the remote control device 200 in the storage unit 140.
  • the controller 170 may perform Bluetooth communication with the remote control device 200 by using the identification information of the remote control device 200.
  • the display device 100 may detect that the first communication with the remote control device 200 is in an abnormal connection disconnection state (S13).
  • the controller 170 may detect that the first communication with the remote control device 200 is in an abnormal connection disconnection state.
  • control unit 170 may recognize the state of the first communication as the abnormal connection disconnection state.
  • a method for the control unit 170 to detect that the first communication with the remote control device 200 is in an abnormal connection disconnection state will be described in detail with reference to FIGS. 6 to 9.
  • FIG. 6 is a diagram for describing a method of detecting an abnormal disconnection state by the display device according to the first exemplary embodiment of the present invention.
  • the remote control device 200 may transmit a motion signal to the display device 100 when motion of the remote control device 200 is detected.
  • the motion signal may be a signal including information on the motion of the remote control device 200 sensed by the sensor unit 240.
  • the display device 100 When the display device 100 receives a motion signal from the remote control device 200 while the Bluetooth state between the display device 100 and the remote control device 200 is connected or temporarily disconnected, a response corresponding to the motion signal The signal may be transmitted to the remote control device 200.
  • the remote control device 200 may detect whether a response signal corresponding to the motion signal is received for a preset predetermined time.
  • the Bluetooth state between the display device 100 and the remote control device 200 when the remote control device 200 transmits a motion signal to the display device 100, the display device 100 is in motion. The signal may not be received, and in this case, the remote control device 200 may not receive a response signal from the display device 100.
  • the Bluetooth state between the display device 100 and the remote control device 200 is abnormally disconnected, the display device 100 transmits a response signal corresponding to the motion signal to the remote control device 200, but remote control The device 200 may not be able to receive a response signal.
  • the remote control device 200 may transmit an abnormal connection disconnection signal to the display device 100.
  • the remote control device 200 may transmit an abnormal connection disconnection signal to the display device 100 through IR communication.
  • the abnormal connection disconnection signal may be a signal including a preset code such as 0xFF, but this is only exemplary.
  • the controller 170 may recognize the Bluetooth state as an abnormal connection disconnection state.
  • the control unit 170 may control the user input interface unit 150 to transmit a reset signal to the remote control device 200 when the Bluetooth communication with the remote control device 200 is abnormally disconnected.
  • the controller 170 may transmit a reset signal to the remote control device 200 through Bluetooth communication.
  • the remote control device 200 may transmit a pairing signal to the display device 100.
  • the display device 100 may reconnect Bluetooth communication with the remote control device 200 upon receiving the pairing signal.
  • the pairing signal may be a signal including a preset code such as 0xAA, but this is only exemplary.
  • the display system automatically detects an abnormal disconnection state by detecting a communication error in which a motion signal cannot be transmitted or a response signal corresponding to the motion signal is not received.
  • the display system reconnects Bluetooth communication upon detecting an abnormal disconnection state, thereby providing convenience that the user does not have to take extra measures to resolve the communication error.
  • FIG. 7 is a diagram illustrating a method of detecting an abnormal disconnection state by a display device according to a second exemplary embodiment of the present invention.
  • the remote control device 200 may transmit a connection status confirmation signal to the display device 100 every setting period.
  • the setting period may be 5 seconds, but this is only an example and is not limited thereto. That is, a period in which the remote control device 200 transmits a connection status confirmation signal to the display device 100 may be several seconds to several tens of seconds.
  • connection status confirmation signal may be a signal transmitted/received to obtain whether a Bluetooth status between the display device 100 and the remote control device 200 corresponds to an abnormal connection disconnection status.
  • connection status confirmation signal A response signal corresponding to may be transmitted to the remote control device 200.
  • the remote control device 200 may detect whether a response signal corresponding to the connection status confirmation signal is received for a predetermined time.
  • the remote control device 200 transmits a connection status confirmation signal to the display device 100. May not receive the connection status confirmation signal, and in this case, the remote control device 200 may not receive a response signal from the display device 100.
  • the display device 100 transmits a response signal corresponding to the connection state confirmation signal to the remote control device 200, The remote control device 200 may not receive a response signal.
  • the remote control device 200 may transmit an abnormal connection disconnection signal to the display device 100 if it does not receive a response signal corresponding to the connection status confirmation signal from the display device 100 for a predetermined time.
  • the remote control device 200 may transmit an abnormal connection disconnection signal to the display device 100 through IR communication.
  • the abnormal connection disconnection signal may be a signal including a preset code such as 0xFF, but this is only exemplary.
  • the controller 170 may recognize the Bluetooth state as an abnormal connection disconnection state.
  • the control unit 170 may control the user input interface unit 150 to transmit a reset signal to the remote control device 200 when the Bluetooth communication with the remote control device 200 is abnormally disconnected.
  • the controller 170 may transmit a reset signal to the remote control device 200 through Bluetooth communication.
  • the remote control device 200 may transmit a pairing signal to the display device 100.
  • the display device 100 may reconnect Bluetooth communication with the remote control device 200 upon receiving the pairing signal.
  • the pairing signal may be a signal including a preset code such as 0xAA, but this is only exemplary.
  • the display system has an advantage of minimizing the time for recognizing an abnormal disconnection state through a connection state confirmation signal regardless of whether or not a communication error occurs. Accordingly, there is an advantage in that the user may not recognize the abnormal connection disconnection state, or inconvenience caused by it may be minimized.
  • FIG. 8 is a diagram illustrating a method of detecting an abnormal disconnection state by a display device according to a third exemplary embodiment of the present invention.
  • the control unit 170 may check pairing data.
  • the pairing data may refer to identification information of a Bluetooth-connected device, or the like.
  • the controller 170 may check the pairing data every predetermined period.
  • the controller 170 may check identification information of a device currently connected to Bluetooth.
  • control unit 170 may not be able to check the pairing data.
  • the controller 170 may not be able to check pairing data due to a device problem or the like.
  • the controller 170 may initialize the pairing data.
  • the controller 170 may transmit a reset signal to the remote control device 200 after initializing the pairing data.
  • the display device 100 may transmit a reset signal to the remote control device 200 when data related to Bluetooth communication is initialized.
  • the remote control device 200 may transmit a pairing signal to the display device 100.
  • the display device 100 may reconnect Bluetooth communication with the remote control device 200 upon receiving the pairing signal.
  • the pairing signal may be a signal including a preset code such as 0xAA, but this is only exemplary.
  • the display system has an advantage of detecting an abnormal disconnection state in the process of confirming pairing data.
  • FIG. 9 is a diagram illustrating a method of detecting an abnormal disconnection state by a display device according to a fourth exemplary embodiment of the present invention.
  • the remote control device 200 may detect the movement of the remote control device 200 through the sensor unit 240.
  • the controller 280 of the remote controller 200 detects the movement of the remote controller 200 through the sensor unit 240, and activates the Bluetooth module 225. ) Can be requested.
  • the Bluetooth module 225 may transmit and receive signals to and from the display device 100 in an activated state. Upon receiving the activation request, the Bluetooth module 225 may convert from an inactive state to an activated state and transmit a response signal corresponding to the activation request to the sensor unit 240.
  • the Bluetooth module 225 when the Bluetooth state between the display device 100 and the remote control device 200 is an abnormal connection disconnection state, an error may occur in the operation of the Bluetooth module 225. Although the Bluetooth module 225 receives the activation request, it may not be converted to the activation state, and in this case, the sensor unit 240 may not receive a response signal. The Bluetooth module 225 may not be able to transmit a motion signal to the display device 100 as it is not converted to an active state.
  • the sensor unit 240 may transmit an abnormal guidance request to the IR module 223.
  • the IR module 223 may transmit an abnormal connection disconnection signal to the display device 100 through IR communication.
  • the remote control device 200 may transmit an abnormal connection disconnection signal to the display device 100 when it fails to transmit a motion signal to the display device 100 after detecting the movement of the remote control device 200.
  • the controller 170 may recognize the Bluetooth state as an abnormal connection disconnection state.
  • the control unit 170 may control the user input interface unit 150 to transmit a reset signal to the remote control device 200 when the Bluetooth communication with the remote control device 200 is abnormally disconnected.
  • the controller 170 may transmit a reset signal to the remote control device 200 through Bluetooth communication.
  • the remote control device 200 may transmit a pairing signal to the display device 100.
  • the display device 100 may reconnect Bluetooth communication with the remote control device 200 upon receiving the pairing signal.
  • the pairing signal may be a signal including a preset code such as 0xAA, but this is only exemplary.
  • the fourth embodiment of the present invention there is an advantage that it is possible to automatically detect an abnormal connection disconnection state by detecting that the Bluetooth state should be converted from a temporary disconnection state to an abnormal connection disconnection state but not. .
  • the display system reconnects Bluetooth communication upon detecting an abnormal disconnection state, thereby providing convenience that the user does not have to take extra measures to resolve the communication error.
  • the display device 100 may detect a Bluetooth state with the remote control device 200 as an abnormal connection disconnection state in a method other than the method described in the first to fourth embodiments.
  • FIG. 5 will be described.
  • the display device 100 When the display device 100 detects that the first communication with the remote control device 200 is in an abnormal connection disconnection state, it transmits a reset signal to the remote control device 200 (S15), and provides a guide for guiding the abnormal connection disconnection state. Can be displayed (S17).
  • steps S15 and S17 are not limited.
  • the display device 100 when the display device 100 detects that the first communication with the remote control device 200 is in an abnormal connection disconnection state, the display device 100 displays a guide guiding the abnormal connection disconnection state, and transmits a reset signal to the remote controller 200 You can also send it to.
  • FIG. 10 is an exemplary diagram of a method of displaying a guide for guiding that a display device is in an abnormal disconnection state according to an exemplary embodiment of the present invention.
  • the controller 170 may control the display unit 180 to display a guide 300 for guiding an abnormal disconnection state when transmitting a reset signal to the remote control device 200.
  • the controller 170 determines the Bluetooth communication as an abnormal disconnection state, and then controls the display 180 to display a guide 300 guiding the abnormal disconnection state while reconnecting the Bluetooth communication. I can.
  • the guide 300 may indicate that the Bluetooth state between the display device 100 and the remote control device 200 is an abnormal connection disconnection state.
  • the guide 300 may indicate that the Bluetooth communication between the display device 100 and the remote control device 200 is being reconnected.
  • the display device 100 may display the guide 300 for guiding the abnormal connection disconnection state through the display unit 180.
  • the guide 300 may be in the form of text as illustrated in FIG. 10, may be displayed in the form of an image, or may be output as sound.
  • the user has the advantage of being able to easily know the current Bluetooth status between the display device 100 and the remote control device 200 through the guide 300.
  • the display apparatus 100 transmits a reset signal, and the next operation will be described.
  • the controller 170 may control the Bluetooth module 152 to transmit a reset signal to the remote control device 200.
  • the remote control device 200 may receive the reset signal from the display device 100.
  • the reset signal may be a signal for resetting the Bluetooth connection between the display device 100 and the remote control device 200.
  • the remote control device 200 may transmit a pairing signal to the display device 100 through a second communication.
  • the display device 100 may receive a pairing signal from the remote control device 200 through the second communication (S19).
  • the second communication may be IR communication.
  • the pairing signal may be a signal that requests the display device 100 to pair with the remote control device 200.
  • the user input interface unit 150 may transmit a reset signal to the remote control device 200 through the first communication and receive a pairing signal from the remote control device 200 through the second communication.
  • the display device 100 may re-perform the pairing for reconnection of the first communication (S21).
  • the controller 170 may perform pairing with the remote control device 200 to reconnect Bluetooth communication.
  • the controller 170 transmits a reset signal to the remote control device 200 and receives a pairing signal in response to the reset signal from the remote control device 200
  • the Bluetooth communication state is converted into a connected state according to the pairing signal. Can be controlled.
  • the display device 100 has an advantage of minimizing user discomfort due to the Bluetooth state by automatically performing the Bluetooth connection again when the Bluetooth state with the remote control device 200 is abnormally disconnected.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Selective Calling Equipment (AREA)

Abstract

La présente invention concerne un dispositif d'affichage et un système d'affichage pour la reconnexion automatique avec un dispositif de commande à distance lorsqu'une connexion sans fil entre le dispositif d'affichage et le dispositif de commande à distance est anormalement déconnectée. Le dispositif d'affichage peut comprendre : une unité d'affichage ; une unité d'interface utilisateur d'entrée pour émettre ou recevoir un signal vers ou depuis un dispositif de commande à distance par l'intermédiaire d'une première communication et/ou d'une seconde communication ; et une unité de commande pour amener l'unité d'interface utilisateur d'entrée à émettre un signal de réinitialisation au dispositif de commande à distance lorsque la première communication avec le dispositif de commande à distance est dans un état anormalement déconnecté.
PCT/KR2019/011990 2019-09-17 2019-09-17 Dispositif d'affichage et système d'affichage WO2021054488A1 (fr)

Priority Applications (1)

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PCT/KR2019/011990 WO2021054488A1 (fr) 2019-09-17 2019-09-17 Dispositif d'affichage et système d'affichage

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PCT/KR2019/011990 WO2021054488A1 (fr) 2019-09-17 2019-09-17 Dispositif d'affichage et système d'affichage

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11275437A (ja) * 1998-03-26 1999-10-08 Fuji Photo Optical Co Ltd リモコン雲台システム
KR20080010859A (ko) * 2006-07-28 2008-01-31 주식회사 팬택 ＩｒＤＡ를 이용한 블루투스 기기의 페어링 방법과 이를이용한 이동통신단말기
KR20090112101A (ko) * 2008-04-23 2009-10-28 삼성전자주식회사 방송수신장치와 무선 인터페이스 장치 및 그 제어방법
KR20150127776A (ko) * 2012-03-09 2015-11-18 엘지전자 주식회사 원격 제어 장치 및 그 동작 방법
US10206050B2 (en) * 2016-03-15 2019-02-12 Oticon A/S Audio assist system for pairing between a hearing aid and audio system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11275437A (ja) * 1998-03-26 1999-10-08 Fuji Photo Optical Co Ltd リモコン雲台システム
KR20080010859A (ko) * 2006-07-28 2008-01-31 주식회사 팬택 ＩｒＤＡ를 이용한 블루투스 기기의 페어링 방법과 이를이용한 이동통신단말기
KR20090112101A (ko) * 2008-04-23 2009-10-28 삼성전자주식회사 방송수신장치와 무선 인터페이스 장치 및 그 제어방법
KR20150127776A (ko) * 2012-03-09 2015-11-18 엘지전자 주식회사 원격 제어 장치 및 그 동작 방법
US10206050B2 (en) * 2016-03-15 2019-02-12 Oticon A/S Audio assist system for pairing between a hearing aid and audio system

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