WO2018024012A1 - Télécommande et procédé de projection - Google Patents

Télécommande et procédé de projection Download PDF

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Publication number
WO2018024012A1
WO2018024012A1 PCT/CN2017/084825 CN2017084825W WO2018024012A1 WO 2018024012 A1 WO2018024012 A1 WO 2018024012A1 CN 2017084825 W CN2017084825 W CN 2017084825W WO 2018024012 A1 WO2018024012 A1 WO 2018024012A1
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WO
WIPO (PCT)
Prior art keywords
remote controller
projection
data
terminal device
communication
Prior art date
Application number
PCT/CN2017/084825
Other languages
English (en)
Chinese (zh)
Inventor
陈志�
李屹
Original Assignee
深圳市光峰光电技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市光峰光电技术有限公司 filed Critical 深圳市光峰光电技术有限公司
Publication of WO2018024012A1 publication Critical patent/WO2018024012A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
    • H04L12/1827—Network arrangements for conference optimisation or adaptation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/3147—Multi-projection systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
    • G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor

Definitions

  • the present invention relates to the field of projection devices, and more particularly to a remote controller and a projection method.
  • the terminal device In the prior art, based on most terminal devices (such as desktop computers), there is no wireless transmission function (such as wifi, Bluetooth, etc.), and therefore, the terminal device usually uses a data line to establish a wired connection with the projection device.
  • the number of connection interfaces of the data line is usually only one. If the user needs to switch the connection device to another terminal device, the device must be removed from the current terminal device. The data line is then connected to the terminal device to be switched, so the existing switching operation is cumbersome. In addition, if the terminal device to be switched is not in the same location space as the projection device, it is difficult to connect the terminal device to the projection device through the data line connection.
  • the main object of the present invention is to provide a remote controller and a projection method, which aim to solve the technical problem that the projection switching operation using the data line connection method is cumbersome and difficult to implement in the prior art.
  • the present invention provides a remote controller, the remote controller comprising:
  • a first communication circuit for performing data communication with the projection device
  • a second communication circuit configured to perform data communication with the terminal device
  • a storage circuit at least for storing a driver, wherein the driver is used by the terminal when the first communication circuit and the second communication circuit respectively establish a communication connection with the projection device and the terminal device Identifying and executing the device according to a predetermined communication protocol to obtain sound card data and/or graphics card data in the terminal device and transmitting to the remote controller through the second communication circuit;
  • the first communication circuit is further configured to: send the received data sent by the terminal device by executing the driver to the projection device, so that the projection device projects or plays the data.
  • the driver is configured in a specified configuration file stored in the storage circuit
  • the terminal device executes a program configured in the configuration file according to the predetermined communication protocol, where the program includes Driver.
  • the first communication circuit comprises:
  • Connecting a communication circuit configured to establish a communication connection with the projection device by using a near field communication technology, and acquire a wireless communication address of the projection device;
  • a data sending circuit configured to set a target sending address of the sound card data and/or the graphics card data to the wireless communication address, and send the sound card data and/or the graphics card data to a wireless communication network
  • the projection device configured to set a target sending address of the sound card data and/or the graphics card data to the wireless communication address, and send the sound card data and/or the graphics card data to a wireless communication network The projection device.
  • connection communication circuit is further configured to: before the remote controller establishes a communication connection with the terminal device by using the second communication circuit, acquiring the projection device as the remote controller by using a near field communication technology Assigned remote control identification;
  • the data sending circuit is further configured to: send the remote controller identifier, together with the sound card data and/or the graphics card data, to the projection device by using a wireless communication network, for the projection device to identify the sound card data and / or the sender of the graphics card data.
  • the near field communication technology comprises one or more of NFC, RFID, Bluetooth communication technology and infrared communication technology.
  • the wireless communication network comprises one or more of a 4G communication network, a 5G communication network, and a local area communication network.
  • the remote controller further includes:
  • a compression circuit configured to receive the sound card data and/or the video card data sent by the terminal device by executing the driver, and perform compression, and the compressed sound card data and/or the compressed
  • the graphics card data is forwarded to the projection device by the first communication circuit.
  • the driver is configured to be executed by the terminal device to acquire and compress the sound card data and/or the video card data in the terminal device, and forward the compressed data to the device through the second communication circuit. Said remote control.
  • the remote controller further includes:
  • a button response circuit configured to generate a projection signal in response to a user operation after the remote controller establishes a communication connection with the terminal device through the second communication circuit, and send the projection signal to the terminal device;
  • the driver is configured to be executed by the terminal device to acquire sound card data and/or video card data in the terminal device in response to the projection signal and forwarded to the remote controller through the second communication circuit .
  • the remote controller further includes a touch screen or a physical component, wherein the remote controller responds to a user operation by a virtual control displayed on a touch screen of the remote controller or a physical component disposed outside the remote controller;
  • the remote controller further includes a signal generating unit, wherein the remote controller generates the projection signal when the user operation occurs by the signal generating unit.
  • the present invention further provides a projection method, the projection method comprising:
  • the remote controller establishes a communication connection with the terminal device
  • a driver stored in the remote controller is identified by the terminal device according to a predetermined communication protocol and is executed by the terminal device to acquire the terminal device. Sound card data and/or graphics card data in and sent to the remote controller;
  • the remote controller After receiving the data sent by the terminal device by executing the driver, the remote controller sends the data to the projection device for the projection device to project or play the data.
  • the driver is configured in a specified configuration file stored in the remote controller; when the remote controller establishes a communication connection with the terminal device, the terminal device executes according to the predetermined communication protocol a program configured in the configuration file, the program including the driver.
  • the projection method further comprises: before the remote controller establishes a communication connection with the terminal device, The remote controller acquires a wireless communication address of the projection device by using a near field communication technology;
  • the step of the remote controller transmitting the data to the projection device comprises: the remote controller setting a target transmission address of the data as a wireless communication address of the projection device, and transmitting the data by using a wireless communication network, so as to This data is sent to the projection device.
  • the projection method further comprises: before the remote controller establishes a communication connection with the terminal device, the remote controller acquires a remote controller identifier allocated by the projection device for the remote controller by using a near field communication technology;
  • the step of the remote controller transmitting the data to the projection device further comprises: the remote controller transmitting the remote controller identifier along with the data to the projection device for the projection device to identify a sender of the data .
  • the near field communication technology comprises one or more of NFC, RFID, Bluetooth communication technology and infrared communication technology.
  • the wireless communication network comprises one or more of a 4G communication network, a 5G communication network, and a local area communication network.
  • the remote controller compresses the sound card data and/or the video card data after receiving the sound card data and/or the video card data sent by the terminal device by executing the driver, And compressing the compressed sound card data and/or the graphics card data to the projection device.
  • the driver is configured to be executed by the terminal device to acquire and compress the sound card data and/or the video card data in the terminal device, and transmit the compressed data to the remote controller.
  • the remote controller After the remote controller establishes a communication connection with the terminal device, the remote controller generates a projection signal in response to a user operation, and transmits the projection signal to the terminal device;
  • the driver is configured to be executed by the terminal device to acquire sound card data and/or video card data in the terminal device in response to the projection signal and send the data to the remote controller.
  • the remote controller responds to a user operation by a virtual control displayed on a touch screen of the remote controller or a physical component disposed outside the remote controller, and generates a component through the signal of the remote controller.
  • the projection signal is generated when the user operates.
  • the present invention further provides a projection method, the projection method comprising:
  • the projection device establishes a communication connection with the remote controller
  • the driver stored in the remote controller is recognized by the terminal device according to a predetermined communication protocol and is executed by the terminal device to acquire the terminal device.
  • the sound card data and/or the video card data are sent to the remote controller, and the remote controller transmits the received data transmitted by the terminal device by executing the driver as the projection data to the projection device And for the projection device to project or play the data.
  • the projection device establishes a communication connection with the remote controller by using a near field communication technology, and receives the projection data transmitted by the remote controller by using a wireless communication network.
  • the projection device when the projection device establishes a communication connection with the remote controller by using a near field communication technology, the projection device transmits its own wireless communication address to the remote controller for the remote controller to display the projection
  • the target transmission address of the data is set to the wireless communication address.
  • the projection device when the projection device establishes a communication connection with the remote controller by using a near field communication technology, the projection device assigns a remote controller identifier to the remote controller and sends the remote controller to the remote controller for the projection device Upon receiving the data transmitted by the remote controller, the sender of the data is identified, wherein the remote controller transmits the remote controller identification along with the data to be transmitted to the projection device.
  • the near field communication technology comprises one or more of NFC, RFID, Bluetooth communication technology and infrared communication technology.
  • the wireless communication network comprises one or more of a 4G communication network, a 5G communication network, and a local area communication network.
  • the establishing a communication connection between the projection device and the remote controller comprises:
  • the projection device When the projection device establishes a communication connection with the remote controller, the projection device assigns a corresponding remote controller identifier and a priority of the remote controller identifier to the remote controller.
  • the projecting the projection device by the projection device further comprises:
  • the projection device When the projection device simultaneously receives the projection data corresponding to the plurality of remote controllers, the projection device correspondingly sets the projection order of each projection data according to the priority of the remote controller identifier and the remote controller identifier, and according to the projection Project or play each projection data sequentially.
  • the connection between the projection device and the terminal device is indirectly realized by the remote controller, and at the same time, in order to simplify the process of acquiring the projection data from the terminal device, the remote device is automatically operated by the terminal device when the remote controller is connected with the terminal device.
  • the driver completes the data acquisition and sends it to the remote controller, and forwards it to the projection device through the remote controller for projection, so that the projection data can be acquired and transmitted through the remote controller.
  • the invention simplifies the connection between the projection device and the projection data source device and automatically completes the acquisition and transmission of the projection data.
  • FIG. 1 is a schematic diagram of functional modules of a first embodiment of a remote controller according to the present invention
  • FIG. 2 is a schematic diagram of a refinement function module of the first communication circuit of FIG. 1;
  • FIG. 3 is a schematic diagram of connection between a remote controller, a projection device, and a terminal device according to a first embodiment of the present invention
  • FIG. 4 is a schematic diagram of functional modules of a second embodiment of a remote controller according to the present invention.
  • FIG. 5 is a schematic diagram of functional modules of a third embodiment of a remote controller according to the present invention.
  • FIG. 6 is a schematic diagram of functional modules of a fourth embodiment of a remote controller according to the present invention.
  • FIG. 7 is a schematic diagram of connection between a remote controller, a projection device, and a terminal device according to a second embodiment of the present invention.
  • FIG. 8 is a schematic diagram of connection between a remote controller, a projection device, and a terminal device according to a third embodiment of the present invention.
  • FIG. 9 is a schematic diagram of connection between a remote controller, a projection device, and a terminal device according to a fourth embodiment of the present invention.
  • FIG. 10 is a schematic diagram showing the basic functional structure of a first embodiment of a remote controller according to the present invention.
  • FIG. 11 is a schematic diagram showing the basic functional structure of a second embodiment of a remote controller according to the present invention.
  • FIG. 12 is a schematic diagram showing the basic functional structure of a third embodiment of a remote controller according to the present invention.
  • FIG. 13 is a schematic diagram showing the basic functional structure of a fourth embodiment of a remote controller according to the present invention.
  • FIG. 14 is a schematic flow chart of a first embodiment of a projection method according to the present invention.
  • FIG. 15 is a schematic flow chart of a second embodiment of a projection method according to the present invention.
  • FIG. 1 is a schematic diagram of functional modules of a first embodiment of a remote controller according to the present invention.
  • the remote controller includes: a first communication circuit 10, a second communication circuit 20, and a storage circuit 30, wherein a connection structure between the three is not limited, for example, the storage circuit 30 and the first communication circuit 10 and The second communication circuit is connected at 20 points.
  • the first communication circuit 10 is used for data communication with the projection device
  • the second communication circuit 20 is used for data communication with the terminal device
  • the corresponding connection manners of the two may be the same or different, for example, Wireless connection, or one with a wireless connection, and the other with a wired connection, the specific connection method is set according to actual needs.
  • the remote controller can be connected to a projection device (such as a projector) and a terminal device (such as a notebook computer) through the first communication circuit 10 and the second communication circuit 20, that is, the projection device can be indirectly realized by the remote controller. Data communication with the terminal device.
  • a projection device such as a projector
  • a terminal device such as a notebook computer
  • the storage circuit 30 of the remote controller has a built-in driver stored therein, and when the remote controller establishes a connection with the terminal device or when a corresponding trigger signal is detected, the driver has a self-determination according to the set communication protocol.
  • the driver's implementation of the self-running function is not limited.
  • the driver is configured into a specified configuration file, and a set communication protocol is adopted between the terminal device and the remote controller, and the communication protocol specifies that the remote controller is connected to the terminal device.
  • the terminal device will automatically recognize and run the program configured in the configuration file, so that the so-called self-run function of the driver is realized, that is, the terminal device is essentially running the driver stored in the remote controller.
  • the name, path, file format, and the like of the driver are configured in the configuration file, so that the terminal device can run the corresponding program according to the program-related information configured in the configuration file.
  • the storage circuit 30 is used at least for storing the driver, and of course, other data may also be stored.
  • the driver is identified by the terminal device according to a predetermined communication protocol and executed to acquire sound card data in the terminal device and And/or the graphics card data is sent to the remote controller through the second communication circuit 20, and the data transmitted by the received terminal device by executing the driver is transmitted by the first communication circuit 10 to the projection device for projection or playback by the projection device.
  • the data is data currently displayed or played on the terminal device, such as picture data in the terminal device graphics card and sound data in the sound card.
  • the driver will also continuously transmit the acquired terminal data to the remote control. Device.
  • the connection between the projection device and the terminal device is indirectly realized by the remote controller, and at the same time, in order to simplify the process of acquiring the projection data from the terminal device, the remote device automatically runs the remote controller when the remote controller is connected with the terminal device.
  • the built-in driver completes the data acquisition and sends it to the remote controller, and forwards it to the projection device through the remote controller for projection, so that the projection data can be acquired and transmitted through the remote controller.
  • This embodiment simplifies the connection between the projection device and the projection data source device and automatically completes the acquisition and transmission of the projection data.
  • FIG. 2 is a schematic diagram of a refinement function module of the first communication circuit of FIG. Based on the first embodiment of the remote controller, in the embodiment, the first communication circuit 10 includes:
  • Connecting the communication circuit 101 configured to establish a communication connection with the projection device by using a near field communication technology, and acquire a wireless communication address of the projection device;
  • a data sending circuit 102 configured to set a target sending address of the sound card data and/or the video card data to the wireless communication address, and send the sound card data and/or the graphics card data to a wireless communication network to The projection device.
  • the remote controller specifically uses a near field communication technology to establish a communication connection with the projection device, and uses the wireless communication network to transmit the acquired sound card data and/or graphics card data to the projection device.
  • the near field communication technology includes one or more of NFC, RFID, Bluetooth communication technology, and infrared communication technology; and the wireless communication network includes a 4G communication network, a 5G communication network, and a local area communication network. One or several.
  • connection communication circuit 101 is further configured to: before the remote controller establishes a communication connection with the terminal device by using the second communication circuit, acquiring the projection device by using a near field communication technology.
  • the remote controller identifier assigned by the remote controller; the data sending circuit 102 is further configured to: send the remote controller identifier along with the sound card data and/or the graphics card data to the projection device for the projection The device identifies the sound card data and/or the sender of the graphics card data.
  • the connection communication circuit 101 pairs with the projection device in an NFC communication manner to establish a communication connection, and obtains a remote controller identification assigned by the projection device and a wireless communication address of the projection device.
  • the projection device automatically assigns a unique remote control identifier to the remote controller, and the remote controller further
  • the wireless communication address of the projection device is obtained, for example, the wireless communication address corresponds to the IP address of the projection device in the local area network, so that the remote controller sets the obtained sound card data and/or the target transmission address of the video card data as the wireless communication address, and according to the wireless
  • the communication address transmits the remote controller identification along with the sound card data and/or the graphics card data to the projection device for the projection device to identify the sender of the data.
  • the second communication circuit 20 establishes a communication connection with the terminal device by using a USB interface. That is, the connection between the remote controller and the terminal device is completed in a plug-and-play manner, so that the fast switching between the projection device and different terminal devices (such as a notebook computer) at different locations can be indirectly realized.
  • the terminal device may not be in the same positional space as the projection device, thereby It is convenient for users to switch between different projection data source devices.
  • FIG. 4 is a schematic diagram of functional modules of a second embodiment of a remote controller according to the present invention. Based on the above embodiment, in this embodiment, the remote controller further includes:
  • a compression circuit 40 configured to receive the sound card data and/or the video card data sent by the terminal device by executing the driver, and perform compression, and the compressed sound card data and/or The graphics card data is forwarded to the projection device by the first communication circuit.
  • the compression circuit 40 of the remote controller specifically compresses the sound card data and/or the video card data sent by the received terminal device by executing the driver, and further improves the data transmission efficiency by compression.
  • the driver is configured to be executed by the terminal device to acquire and compress the sound card data and/or the video card data in the terminal device, and pass the compressed data.
  • the second communication circuit forwards to the remote controller.
  • the compression processing of the acquired data may also be completed by the terminal device executing the driver.
  • FIG. 5 is a schematic diagram of functional modules of a third embodiment of a remote controller according to the present invention. Based on the above embodiment, in this embodiment, the remote controller further includes:
  • the encoding circuit 50 is configured to encode the sound card data and/or the video card data, the remote controller identifier, and the wireless communication address to obtain a corresponding projection data packet, and send the projection data packet through the data The circuit is forwarded to the projection device.
  • the remote controller supports both the USB communication protocol and the wireless communication protocol. Therefore, the data received through the USB interface, such as the graphics card data and the sound card data on the terminal device, needs to be encoded into a data format suitable for wireless transmission.
  • the encoded content includes both the data to be projected, such as the obtained sound card data and/or the video card on the terminal device.
  • the data also includes the remote control identification and the wireless communication address of the projection device.
  • the terminal device automatically recognizes and runs the built-in driver of the remote controller according to the set communication protocol, thereby acquiring sound card data and/or graphics card data in the terminal device, and transmitting the data to the encoding circuit 50 through the second communication circuit 20.
  • the encoding circuit 50 encodes the sound card data and/or the video card data, the remote controller identifier, and the wireless communication address of the projection device to obtain a corresponding projection data packet and forwards the data to the data transmitting circuit 102; the data transmitting circuit 102 according to the projection
  • the wireless communication address of the device transmits the projection data packet to the projection device.
  • the data transmission is facilitated, and the division of each projection data packet is also facilitated.
  • the encoding circuit 50 is further configured to: encode the sound card data and/or the video card data compressed by the compression circuit 40, and the remote controller identifier and the wireless communication address to obtain corresponding projection data. And transmitting the projection data packet to the projection device through the data transmission circuit.
  • the driver is configured to be executed by the terminal device to acquire and compress the sound card data and/or the video card data in the terminal device to obtain compressed data; Relating the remote control identifier, the wireless communication address, and encoding the compressed data, the remote controller identifier, and the wireless communication address to obtain a corresponding projection data packet, and passing the projection data packet The second communication circuit forwards to the remote controller.
  • FIG. 6 is a schematic diagram of functional modules of a fourth embodiment of a remote controller according to the present invention. Based on the above embodiment, in this embodiment, the remote controller further includes:
  • a button response circuit 60 configured to generate a projection signal in response to a user operation after the remote controller establishes a communication connection with the terminal device through the second communication circuit, and send the projection signal to the terminal device
  • the driver is configured to be executed by the terminal device to acquire sound card data and/or video card data in the terminal device in response to the projection signal and forwarded to the remote control by the second communication circuit Device.
  • the remote controller further includes a touch screen or a physical component, wherein the remote controller passes through a virtual control displayed on the touch screen of the remote controller or is disposed outside the remote controller.
  • the physical component is responsive to user operation; the remote controller further includes a signal generating component, wherein the remote controller generates the projection signal when the user operation occurs by the signal generating component.
  • a button in order to facilitate user manipulation, such as establishing a connection between the remote controller and the projection device, or acquiring data on the terminal device, a button can be set on the remote controller, and the button can be displayed on the remote controller.
  • the virtual control on the touch screen may also be a physical component disposed outside the remote controller.
  • the button response circuit 60 When the user presses the button, the button response circuit 60 will detect whether there is a user's button operation on the button, and if so, generate a projection signal in response to the user's button operation, thereby triggering a corresponding process, wherein the button response signal is triggered
  • the corresponding processing is not limited, and is specifically set according to actual needs. such as,.
  • the remote controller does not establish a connection with the projection device or the terminal device
  • the button response circuit 60 detects that there is a button operation on the button of the remote controller, generating a button response signal corresponding to the button operation for opening the remote control.
  • the NFC function of the device wherein the remote control device performs NFC pairing with the projection device through the NFC function and establishes a communication connection.
  • the remote controller when the remote controller establishes a connection with the projection device and the terminal device respectively, if the button response circuit 60 detects that there is a button operation on the button of the remote controller, generating a projection signal corresponding to the button operation, so that the trigger will be generated.
  • the projection signal is sent to the terminal device, and the driver is further configured to be executed by the terminal device to acquire sound card data and/or graphics card data in the terminal device in response to the projection signal and forwarded to the remote controller through the second communication circuit 20, and
  • the remote controller is transmitted to the projection device through the data transmitting circuit 102.
  • the terminal device when the remote controller establishes a connection with the terminal device through its own USB interface, the terminal device does not immediately run the built-in driver of the remote controller, but runs the remote built-in driver to obtain the terminal device when the terminal device detects the button response signal. The relevant data is transmitted to the remote control.
  • the remote controller when the remote controller establishes a connection with the terminal device and does not establish a connection with the projection device, if the button response circuit 60 detects that there is a button operation on the button of the remote controller, generating a projection signal corresponding to the button operation for providing Turning on the NFC function of the remote controller and triggering the transmission of the generated projection signal to the terminal device, and the driver is further configured to be executed by the terminal device to acquire the sound card data and/or the video card data in the terminal device in response to the projection signal and pass the second
  • the communication circuit 20 is forwarded to the remote controller and transmitted by the remote controller to the projection device via the data transmission circuit 102, wherein the remote control device performs NFC pairing with the projection device through the NFC function and establishes a communication connection.
  • the remote controller of the present invention is an example based on different application scenarios of the projection device and the terminal device.
  • the first type of application scenario a projection device, several remote controls, and one terminal device
  • the projection device is wirelessly connected to the remote controller (such as a wifi connection), and the remote controller is connected to the terminal device USB, wherein the remote controller is provided with a button.
  • the user When the user needs to transmit the projection data on the terminal device to the projection device for projection, the user only needs to manually press the button set on the remote controller, so that the button response signal is generated by the button response circuit 60 and sent to the terminal device;
  • the terminal device When the device detects the button response signal, the terminal device will start to run the built-in driver of the remote controller, so that the data on the current terminal device graphics card and the sound card is acquired and transmitted to the remote controller through the USB connection in real time; after the remote controller receives the real-time, the first step is performed.
  • Compressed coding and then forward the encoded data to the projection device in real time through wireless transmission technology; after the projection device receives the real-time reception, it also performs corresponding parsing processing, such as parsing into display data and audio data, and then correspondingly performing real-time picture and sound. Projection output.
  • the user simply inserts the remote controller into the terminal device through the USB interface to establish a USB connection with the terminal device.
  • the user turns on the NFC pairing function through the button on the remote controller, and then the projector device is controlled by the projection device.
  • the NFC pairing of the two is completed to establish a wireless connection, thereby indirectly implementing a data connection between the projection device and the terminal device.
  • the user can trigger the terminal device to start real-time transmission of the picture and sound data to be projected through the button set on the remote controller, and the user can also trigger the terminal device to stop transmitting the picture through the button set on the remote controller. Sound data.
  • Scenario 1 A projection device, a remote control, and multiple terminal devices
  • the projection device is wirelessly connected to the remote controller, and the remote controller establishes a USB connection with the terminal device A.
  • the terminal devices B and C do not make any connection but only establish a USB connection with the remote controller when necessary.
  • a button is provided on the remote controller.
  • This application scenario is basically the same as the first application scenario described above, so it is not described too much.
  • there are multiple terminal devices so there may be a need to switch terminal devices.
  • the user when the user needs to project the content on the terminal device B (or C), the user only needs to pull the remote controller from the terminal device A and insert it into the terminal device B (or C), so that the remote controller and the remote controller
  • the terminal device B (or C) establishes a USB connection, and the manner in which the projection device projects the content on the terminal device B (or C) is substantially the same as the first application scenario described above, and thus will not be described in detail.
  • Scenario 2 One projection device, multiple remote controls, multiple terminal devices
  • the projection device establishes a wireless connection with the remote controllers A, B, and C respectively, and the remote controller A establishes a USB connection with the terminal device A, and the remote controller B establishes a USB connection with the terminal device B, and the remote controller C and the remote controller
  • the terminal device C establishes a USB connection, wherein the remote controller is provided with a button.
  • This application scenario is basically the same as the first application scenario described above, so it is not described too much.
  • there are multiple terminal devices so there may be a need to switch terminal devices.
  • the projection device switches the projection data forwarded by the other remote controllers currently projected to the projection data forwarded by the current remote controller.
  • the projection device is currently projecting the projection data A on the terminal device A forwarded by the remote controller A, and if the projection device receives (or detects) the projection data B on the terminal device B forwarded by the projection remote controller B, The projection data B on the terminal device B forwarded by the projection remote controller B is automatically switched.
  • the terminal device may not be in the same position space as the projection device, thereby facilitating the user to perform projection data source.
  • Switch as shown in Figure 9.
  • the connection manners and the projection implementation manners of the plurality of projection devices and the plurality of remote control devices and the plurality of terminal devices are substantially the same as the above-mentioned application scenarios, and thus are not described in detail.
  • the remote controller of the present invention is an example based on the basic functional structure of the remote controller.
  • the remote controller includes a USB interface circuit 502, a storage circuit 504, an NFC communication chip circuit 506, a button response circuit 508, and a wireless transmission circuit 510.
  • the NFC communication chip circuit 506 performs data communication with the projector, and the NFC communication chip circuit 506 acquires the remote controller ID assigned by the projector to the remote controller, and acquires the communication ID of the projector (for example, an IP address in the local area network, etc.).
  • the NFC communication chip circuit 506 stores the remote controller ID and the communication ID to the storage circuit 504;
  • a storage program is stored in the storage circuit 504, and the driver has a function of self-operation when the remote controller and the computer are connected through a USB interface.
  • the implementation mechanism of the driver's self-running function is not limited.
  • the driver is configured into a specified configuration file, and the default communication protocol between the computer and the remote controller is specified when the remote controller is connected to the computer.
  • the computer will run the program configured in the configuration file, so that the so-called self-run of the driver can be realized, and the driver is essentially run by the computer.
  • the configuration file exists inside the remote controller and can be stored in the storage circuit 504;
  • USB interface circuit 502 is equivalent to a universal serial bus, and is specifically responsible for the connection and communication between the computer and the remote controller; the button response circuit 508 generates a button signal in response to the action of the button.
  • the function of the driver further includes: acquiring data in the sound card of the computer and the graphics card in response to the button signal, compressing the data, acquiring the remote controller ID and the communication ID stored in the storage circuit 504 through the USB interface circuit 502, and The compressed data and the remote controller ID and the communication ID are encoded to generate a data packet, wherein the communication ID is the address information of the receiver of the data packet; further, the driver transmits the data packet to the wireless transmission circuit 510 through the USB interface circuit 502. The data packet is then transmitted by the wireless transmitting circuit 510 to the projector.
  • the remote controller includes a USB interface circuit 502, a storage circuit 504, an NFC communication chip circuit 506, a button response circuit 508, a wireless transmission circuit 510, and an encoding circuit 512.
  • the difference between the structural mode and the first mode is that in the structural mode, the function of compressing the data of the sound card and the graphics card and generating the data packet and transmitting the data packet to the wireless transmitting circuit 510 is performed by the encoding circuit 512 built in the remote controller.
  • the remote controller includes a USB interface circuit 502, a storage circuit 504, an NFC communication chip circuit 506, a button response circuit 508, a wireless transmission circuit 510, and a microprocessor circuit 514.
  • the remote controller includes a microprocessor circuit 514, and the microprocessor circuit 514 is used to coordinate the operation of each functional circuit, and each functional circuit in the remote controller passes through the microprocessor circuit. 514 relay data signal.
  • the NFC communication chip circuit 506 performs data communication with the projector, and the NFC communication chip circuit 506 acquires the remote controller ID assigned by the projector to the remote controller, and acquires the communication ID of the projector (for example, an IP address in a local area network, etc.), the NFC communication chip.
  • the circuit 506 sends the remote controller ID and the communication ID to the microprocessor circuit 514, which stores the remote controller ID and the communication ID to the storage circuit 504; the driver transmits the data packet to the microprocessor via the USB interface circuit 502. Circuit 514, microprocessor circuit 514 then transmits the data packet to wireless transmitting circuit 510 and the like.
  • the remote controller includes a USB interface circuit 502, a storage circuit 504, an NFC communication chip circuit 506, a button response circuit 508, a wireless transmission circuit 510, an encoding circuit 512, and a microprocessor circuit 514. .
  • the remote controller includes the microprocessor circuit 514.
  • the specific function of the microprocessor circuit 514 is the same as that of the third method described above, and thus is not described in detail.
  • FIG. 14 is a schematic flow chart of a first embodiment of a projection method according to the present invention.
  • the projection method includes:
  • Step S110 the remote controller establishes a communication connection with the terminal device
  • Step S120 when the remote controller establishes a communication connection with the terminal device, the driver stored in the remote controller is recognized by the terminal device according to a predetermined communication protocol and is executed by the terminal device to acquire Sound card data and/or graphics card data in the terminal device are sent to the remote controller;
  • Step S130 after receiving the data sent by the terminal device by executing the driver, the remote controller sends the data to the projection device for the projection device to project or play the data.
  • the remote controller has a built-in driver stored therein.
  • the driver When the remote controller establishes a connection with the terminal device or when a corresponding trigger signal is detected, the driver has a function of self-run according to the set communication protocol, and When the driver is self-running, the remote control defaults to a data transmitting device instead of a normal storage device.
  • the driver's implementation of the self-running function is not limited.
  • the driver is configured into a specified configuration file, and a set communication protocol is adopted between the terminal device and the remote controller, and the communication protocol specifies that the remote controller is connected to the terminal device.
  • the terminal device will automatically recognize and run the program configured in the configuration file, so that the so-called self-run function of the driver is realized, that is, the terminal device is essentially running the driver stored in the remote controller.
  • the name, path, file format, and the like of the driver are configured in the configuration file, so that the terminal device can run the corresponding program according to the program-related information configured in the configuration file.
  • the driver will also correspondingly obtain the terminal data that will be continuously acquired. Send to the remote control.
  • the connection between the projection device and the terminal device is indirectly realized by the remote controller, and at the same time, in order to simplify the process of acquiring the projection data from the terminal device, the remote device automatically runs the remote controller when the remote controller is connected with the terminal device.
  • the built-in driver completes the data acquisition and sends it to the remote controller, and forwards it to the projection device through the remote controller for projection, so that the projection data can be acquired and transmitted through the remote controller.
  • This embodiment simplifies the connection between the projection device and the projection data source device and automatically completes the acquisition and transmission of the projection data.
  • the remote controller before the remote controller establishes a communication connection with the terminal device, acquires the wireless communication address of the projection device by using the near field communication technology, and at the same time, the sound card that the remote controller will acquire
  • the target transmission address of the data and/or graphics card data is set to the wireless communication address of the projection device, and the sound card data and/or the graphics card data is transmitted to the projection device using the wireless communication network.
  • the remote controller specifically uses a near field communication technology to establish a communication connection with the projection device, and uses the wireless communication network to transmit the acquired sound card data and/or graphics card data to the projection device.
  • the near field communication technology includes one or more of NFC, RFID, Bluetooth communication technology, and infrared communication technology
  • the wireless communication network includes one or more of a 4G communication network, a 5G communication network, and a local area communication network.
  • the wireless communication network includes one or more of a 4G communication network, a 5G communication network, and a local area communication network.
  • the remote controller acquires the remote controller identifier assigned by the projection device to the remote controller by using the near field communication technology; meanwhile, the remote controller identifies the remote controller with the sound card data and/or Or graphics card data is sent to the projection device for the projection device to identify the sender of the sound card data and/or graphics card data.
  • the remote controller is paired with the projection device by NFC communication to establish a communication connection, and obtains the remote controller identification assigned by the projection device and the wireless communication address of the projection device.
  • the projection device automatically assigns a unique remote control identifier to the remote controller, and the remote controller further
  • the wireless communication address of the projection device is obtained, for example, the wireless communication address corresponds to the IP address of the projection device in the local area network, so that the remote controller sets the obtained sound card data and/or the target transmission address of the video card data as the wireless communication address, and according to the wireless
  • the communication address transmits the remote controller identification along with the sound card data and/or the graphics card data to the projection device for the projection device to identify the sender of the data.
  • the remote controller compresses the sound card data and/or the video card data after receiving the sound card data and/or the graphics card data sent by the terminal device by executing the driver, and The compressed sound card data and/or graphics card data is sent to the projection device.
  • the compression circuit 40 of the remote controller specifically compresses the sound card data and/or the video card data sent by the received terminal device by executing the driver, and further improves the data transmission efficiency by compression.
  • the driver is configured to be executed by the terminal device to acquire and compress the sound card data and/or the video card data in the terminal device, and pass the compressed data.
  • the second communication circuit forwards to the remote controller.
  • the compression processing of the acquired data may also be completed by the terminal device executing the driver.
  • the remote controller encodes the sound card data and/or the video card data, the remote controller identifier, and the wireless communication address to obtain a corresponding projection data packet, and The projection data packet is forwarded to the projection device through the data transmission circuit.
  • the remote controller supports both the USB communication protocol and the wireless communication protocol. Therefore, the data received through the USB interface, such as the graphics card data and the sound card data on the terminal device, needs to be encoded into a data format suitable for wireless transmission.
  • the encoded content includes both the data to be projected, such as the obtained sound card data and/or the video card on the terminal device.
  • the data also includes the remote control identification and the wireless communication address of the projection device.
  • the terminal device automatically recognizes and runs the built-in driver of the remote controller according to the set communication protocol, thereby acquiring sound card data and/or graphics card data in the terminal device, and performing encoding processing; specifically: the sound card data and/or Or the graphics card data, the remote controller identifier, and the wireless communication address of the projection device are encoded to obtain a corresponding projection data packet, and then the remote controller transmits the projection data packet to the projection device according to the wireless communication address of the projection device.
  • the data transmission is facilitated, and the division of each projection data packet is also facilitated.
  • the remote controller encodes the sound card data and/or the video card data after the compression processing with the remote controller identifier and the wireless communication address to obtain a corresponding projection data packet, and the projection data packet Send to the projection device.
  • the driver is configured to be executed by the terminal device to acquire and compress the sound card data and/or the video card data in the terminal device to obtain compressed data; Relating the remote control identifier, the wireless communication address, and encoding the compressed data, the remote controller identifier, and the wireless communication address to obtain a corresponding projection data packet, and passing the projection data packet The second communication circuit forwards to the remote controller.
  • the remote controller after the remote controller establishes a communication connection with the terminal device, the remote controller generates a projection signal in response to the user operation, and transmits the projection signal to the terminal device; And being executed by the terminal device to acquire sound card data and/or graphics card data in the terminal device in response to the projection signal and send the data to the remote controller.
  • the remote controller further includes a touch screen or a physical component, wherein the remote controller passes through a virtual control displayed on the touch screen of the remote controller or is disposed outside the remote controller.
  • the physical component is responsive to user operation; the remote controller further includes a signal generating component, wherein the remote controller generates the projection signal when the user operation occurs by the signal generating component.
  • a button in order to facilitate user manipulation, such as establishing a connection between the remote controller and the projection device, or acquiring data on the terminal device, a button can be set on the remote controller, and the button can be displayed on the remote controller.
  • the virtual control on the touch screen may also be a physical component disposed outside the remote controller.
  • the remote controller detects whether there is a user's button operation on the button, and if so, generates a projection signal in response to the user's button operation, thereby triggering a corresponding process, wherein the button response signal is triggered.
  • the corresponding processing is not limited, and the setting is specifically according to actual needs.
  • the remote controller when the remote controller does not establish a connection with the projection device or the terminal device, if the remote controller detects that there is a button operation on the button of the remote controller, generating a button response signal corresponding to the button operation for opening the remote controller.
  • the NFC function in which the remote control device performs NFC pairing with the projection device through the NFC function and establishes a communication connection.
  • the remote controller when the remote controller establishes a connection with the projection device and the terminal device respectively, if the remote controller detects that there is a button operation on the button of the remote controller, generating a projection signal corresponding to the button operation for triggering the projection to be generated.
  • the signal is sent to the terminal device, and the driver is further configured to be executed by the terminal device to acquire sound card data and/or graphics card data in the terminal device to the remote controller in response to the projection signal, and send the signal to the remote device by the remote controller.
  • the remote controller establishes a connection with the terminal device through its own USB interface, the terminal device does not immediately run the built-in driver of the remote controller, but runs the remote built-in driver to obtain the terminal device when the terminal device detects the button response signal.
  • the relevant data is transmitted to the remote control.
  • the remote controller when the remote controller establishes a connection with the terminal device and does not establish a connection with the projection device, if the remote controller detects that there is a button operation on the button of the remote controller, generating a projection signal corresponding to the button operation for opening the remote control
  • the NFC function of the device and triggering the transmission of the generated projection signal to the terminal device and the driver is further configured to be executed by the terminal device to acquire the sound card data and/or the video card data in the terminal device in response to the projection signal and forward the data to the remote controller. And sent by the remote controller to the projection device, wherein the remote control device performs NFC pairing with the projection device through the NFC function and establishes a communication connection.
  • FIG. 15 is a schematic flow chart of a second embodiment of a projection method according to the present invention.
  • the projection method includes:
  • Step S210 the projection device establishes a communication connection with the remote controller
  • the projection device establishes a communication connection with the remote controller by using a near field communication technology, and receives the projection data sent by the remote controller by using a wireless communication network; wherein, optionally, the near field communication technology includes NFC, RFID, and Bluetooth communication technology. And one or more of infrared communication technologies, the wireless communication network includes one or more of a 4G communication network, a 5G communication network, and a local area communication network;
  • the projection device when the projection device establishes a communication connection with the remote controller by using the near field communication technology, the projection device sends its own wireless communication address to the remote controller, so that the remote controller sets the target sending address of the projection data as the projection device. Wireless communication address.
  • the projection device when the projection device establishes a communication connection with the remote controller by using the near field communication technology, the projection device assigns the remote controller identifier to the remote controller and sends the remote controller identifier to the remote controller for receiving the data sent by the remote controller. Identifying the sender of the data, wherein the remote controller transmits the remote control identification along with the data to be transmitted to the projection device.
  • Step S220 receiving and projecting projection data sent by the remote controller
  • the driver stored in the remote controller is recognized by the terminal device according to a predetermined communication protocol and is executed by the terminal device to acquire the terminal device.
  • the sound card data and/or the video card data are sent to the remote controller, and the remote controller transmits the received data transmitted by the terminal device by executing the driver as the projection data to the projection device And for the projection device to project or play the data.
  • the remote controller has a built-in driver stored therein.
  • the driver When the remote controller establishes a connection with the terminal device or when a corresponding trigger signal is detected, the driver has a function of self-run according to the set communication protocol, and When the driver is self-running, the remote control defaults to a data transmitting device instead of a normal storage device.
  • the driver's implementation of the self-running function is not limited.
  • the driver is configured in advance to a configuration file specified in the remote controller, and a set communication protocol is adopted between the terminal device and the remote controller, and the communication protocol specifies that when the remote controller is connected to the terminal device, the terminal The device will automatically recognize and run the program configured in the configuration file, so that the so-called self-running function of the driver is realized, that is, the driver stored in the remote controller is essentially run by the terminal device.
  • the name, path, file format, and the like of the driver are configured in the configuration file, so that the terminal device can run the corresponding program according to the program-related information configured in the configuration file.
  • the driver will also correspondingly obtain the terminal data that will be continuously acquired. Send to the remote control.
  • the projection device establishes a communication connection with the remote controller through the near field communication method, and receives the projection data sent by the remote controller through the wireless transmission mode, thereby simplifying the connection between the projection device and the projection data source device. Fast switching between the projection device and different projection data source devices at different locations is also achieved.
  • the step S210 includes: when the projection device establishes a communication connection with the remote controller, assigning a corresponding remote controller identifier and the remote controller identifier to the remote controller. Priority.
  • the projection device simultaneously receives the projection data packets corresponding to the plurality of remote controllers, according to the remote controller identifier obtained by the decoding and the priority of the remote controller identifier, correspondingly setting the projection data packets. Projection order and projection in the order of projection.
  • the projection device when the projection data respectively forwarded by at least two remote controllers is received at the same time, the projection device performs a split screen display process for simultaneously projecting projection data respectively forwarded by the plurality of remote controllers.
  • the projection device is currently projecting the projection data A on the terminal device A forwarded by the remote controller A, and if the projection device simultaneously receives (or detects) the projection data B on the terminal device B forwarded by the projection remote controller B, Then, the split screen display processing is automatically performed, for example, the projection screen is correspondingly divided into two projection areas, so that the projection data A is displayed in the first projection area, and the projection data B is displayed in the second projection area.
  • the audio data in the projection data A, B is simultaneously played.
  • the projection device when receiving projection data respectively forwarded by at least two remote controllers, the projection device selects to project projection data forwarded by the highest priority remote controller among the plurality of remote controllers, wherein when the projection device has at least two remote controls
  • the projection device assigns different identification numbers and priorities to the remote controllers 30, as shown in Table 1 below.
  • the projection device when the projection device is currently projecting the projection data A on the terminal device A forwarded by the remote controller A, if the projection device simultaneously receives (or detects) the projection device B, C respectively forwards the terminal device B
  • the projection data B and the projection data C on the terminal device C according to the priority of the remote controllers B and C, preferably the projection data C forwarded by the projection remote controller C is switched first, and then the projection remote controller B is switched.
  • Projection data B for example, a projection queue can be set, and projection data B, C are placed in a queue.
  • the projection device will automatically detect whether there is projection data forwarded by other remote controllers queued, and if so, automatically switch.
  • Projection data forwarded by the next highest priority remote controller queued in advance in the projection queue is projected. For example, when the projection data C having a high priority is stopped, the projection data B having the second highest projection priority is switched.

Abstract

La présente invention concerne une télécommande, comprenant : un premier circuit de communication utilisé pour réaliser une communication de données au moyen d'un appareil de projection ; un second circuit de communication utilisé pour réaliser une communication de données au moyen d'un appareil terminal ; et un circuit de stockage au moins utilisé pour stocker un programme pilote. Lorsque le premier circuit de communication et le second circuit de communication établissent respectivement des connexions de communication avec un appareil projecteur et un appareil terminal, le programme pilote est reconnu et exécuté par l'appareil terminal selon un protocole de communication prédéterminé, pour obtenir des données de carte sonore et/ou des données de carte graphique de l'appareil terminal, et pour envoyer lesdites données à la télécommande par l'intermédiaire du second circuit de communication. Le premier circuit de communication est en outre utilisé pour envoyer les données reçues à l'appareil projecteur pour projeter ou lire les données, les données reçues étant envoyées par l'appareil terminal à l'aide de l'exécution du programme pilote. La présente invention porte également sur un procédé de projection. La présente invention simplifie la connexion entre un appareil projecteur et un appareil source de données de projection, et réalise automatiquement l'acquisition et l'envoi de données de projection.
PCT/CN2017/084825 2016-08-04 2017-05-18 Télécommande et procédé de projection WO2018024012A1 (fr)

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