WO2020207031A1 - Procédé et appareil de configuration dynamique d'une période de temporisation de transmission d'écran, et dispositif de transmission d'écran sans fil ainsi qu'extrémité de réception - Google Patents

Procédé et appareil de configuration dynamique d'une période de temporisation de transmission d'écran, et dispositif de transmission d'écran sans fil ainsi qu'extrémité de réception Download PDF

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Publication number
WO2020207031A1
WO2020207031A1 PCT/CN2019/121497 CN2019121497W WO2020207031A1 WO 2020207031 A1 WO2020207031 A1 WO 2020207031A1 CN 2019121497 W CN2019121497 W CN 2019121497W WO 2020207031 A1 WO2020207031 A1 WO 2020207031A1
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WIPO (PCT)
Prior art keywords
wireless screen
screen
receiving end
wireless
disconnection
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PCT/CN2019/121497
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English (en)
Chinese (zh)
Inventor
田楠
Original Assignee
广州视源电子科技股份有限公司
广州视臻信息科技有限公司
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Publication of WO2020207031A1 publication Critical patent/WO2020207031A1/fr

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    • 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

Definitions

  • This application relates to the field of screen transfer technology, for example, to a method, device, wireless screen transfer device, and receiving end for dynamically setting a screen transfer timeout time.
  • projection screen technology has been widely used in people's work and study, greatly improving people's work and study efficiency.
  • the user can use the wireless screen transmitter to project the content displayed on the laptop computer as the sender to the smart interactive tablet as the receiver, so that other participants can watch the content through the smart interactive tablet.
  • the participants can efficiently participate and make decisions.
  • the wireless screen transmitter will send heartbeat data packets to the smart interactive tablet at predetermined intervals to indicate its connection status.
  • the smart interactive tablet will also set a timeout period for disconnection. If the heartbeat data packet or any data from the wireless screen transmitter is not received before the timeout period is reached, the smart interactive tablet considers the wireless screen transmitter to be unplugged. And actively disconnect from the wireless screen transmitter, and remove the currently displayed screen from the wireless screen transmitter.
  • WIFI communication is prone to communication interruption due to various factors such as channel crowding and signal changes.
  • the smart interactive tablet may be disconnected from the wireless screen transmitter when the communication is interrupted, resulting in unexpected disconnection by the user.
  • the existing solution is to increase the timeout period, but this will cause the user to normally unplug the wireless screen transmitter, the last transmitted screen of the wireless screen transmitter will still stay on the smart interactive tablet for a long time, and the user experience is not good.
  • This application provides a method, a device, a wireless screen transmitter and a receiving terminal for dynamically setting the screen transmission timeout time to solve the problem of unexpected disconnection and the screen staying for a long time after the wireless screen transmission is normally unplugged.
  • This application provides a method for dynamically setting the screen transmission timeout time, which includes the following steps:
  • the receiving end that is wirelessly connected to the wireless screen transmitter is triggered to reduce the timeout period of disconnection.
  • the motion sensor is a gyroscope sensor
  • the motion state change amount is an angular deflection value
  • the motion sensor is an acceleration sensor
  • the motion state change amount is an acceleration value
  • the method further includes:
  • the receiving end is triggered to extend or resume the timeout period of disconnection.
  • This application also provides a method for dynamically setting the screen transfer timeout time, including:
  • the timeout period of disconnection of the connection is reduced.
  • the method further includes:
  • the timeout time for disconnection is restored to the default initial value.
  • Optional also includes:
  • the timeout period of connection disconnection is extended or restored.
  • This application also provides a device for dynamically setting the screen transmission timeout time, including:
  • the motion state detection unit is used to detect the change of the motion state of the wireless screen transmitter itself
  • the first triggering unit is configured to trigger the receiving end currently connected to the wireless screen transmitter to reduce the timeout period of disconnection when it is determined that the change in the motion state reaches a certain amplitude within a predetermined time.
  • This application also provides a device for dynamically setting the screen transmission timeout time, including:
  • the first trigger instruction receiving unit is used to receive the first trigger instruction transmitted by the wireless screen transmitter; wherein the trigger instruction is detected by the wireless screen transmitter when the change in its own motion state reaches a certain amount within a predetermined time Generated when the amplitude of;
  • the first timeout time setting unit is configured to reduce the timeout time of disconnection according to the first trigger instruction.
  • the present application also provides a wireless screen transfer device, including a processor, a motion sensor connected to the processor, and a memory.
  • the memory stores a computer program, and the computer program can be executed by the processor to Realize the above-mentioned method of dynamically setting the screen transfer timeout time.
  • the present application also provides a receiving end, including a processor, a motion sensor connected to the processor, and a memory, where a computer program is stored in the memory, and the computer program can be executed by the processor to realize The above-mentioned method for dynamically setting the screen transfer timeout time.
  • the technical solution of the present application detects the movement state of the wireless screen transmitter to obtain whether the user has the intention to remove the wireless screen transmitter, and when it is determined that the user has the intention to remove the wireless screen transmitter, the first trigger is sent to the receiving end
  • the instruction enables the receiving end to reduce the timeout period of disconnection, so that the receiving end can quickly exit the currently displayed screen when the user unplugs the wireless screen transmitter.
  • the default timeout period can be set to be relatively long to ensure that users will not be disconnected in the case of short-term communication interruption due to network fluctuations during normal continuous use.
  • FIG. 1 is a flowchart of a method for dynamically setting a screen transfer timeout time according to Embodiment 1 of the application;
  • FIG. 2 is a schematic diagram of the connection of screen transfer related devices in Embodiment 1 of this application;
  • FIG. 3 is a flowchart of a method for dynamically setting a screen transfer timeout time according to the second embodiment of the application
  • FIG. 4 is a flowchart of a device for dynamically setting a screen transmission timeout time according to Embodiment 3 of the application;
  • Fig. 5 is a flowchart of a device for dynamically setting a screen transmission timeout time according to the fourth embodiment of the application.
  • the word “if” as used herein can be interpreted as “when” or “when” or “in response to determination” or “in response to detection”.
  • the phrase “if determined” or “if detected (statement or event)” can be interpreted as “when determined” or “in response to determination” or “when detected (statement or event) )” or “in response to detection (statement or event)”.
  • FIG. 1 is a flowchart of a method for dynamically setting a screen transfer timeout time provided in Embodiment 1 of this application.
  • the method for dynamically setting the screen transfer timeout time provided in this embodiment can be executed by a wireless screen transfer device.
  • the screen transfer related equipment required when performing screen transfer in this embodiment includes at least one sending end 100, a receiving end 200 corresponding to each sending end, and a wireless screen transfer 300.
  • the sending end 100 includes, but is not limited to: mobile phones, laptops, tablets, speakers, etc.;
  • the receiving end 200 includes, but is not limited to: tablets, flat-screen TVs, smart interactive tablets, etc.;
  • the wireless screen transmitter 300 has a built-in motion sensor, Motion sensors include but are not limited to: gyroscope sensors, acceleration sensors, and rotation vector sensors.
  • the wireless screen transfer device 300 can be connected to the sending end through a USB interface, and the wireless screen transfer device 300 and the receiving end 200 can perform data transmission through wireless communication methods, such as WiFi, ZigBee and other communication methods. In particular, Using WiFi communication method.
  • the sending end 100 and the receiving end 200 are installed with screen transfer application software.
  • the screen transfer application software can be pre-installed in the sending end 100 and the receiving end 200, or can be started at the sending end 100 and the receiving end 200.
  • the third-party device is the wireless screen uploader 300.
  • the wireless screen uploader 300 stores the screen projection application software and connects After reaching the sending end 300, the screen projection application software is transmitted to the sending end 100, and the sending end 100 installs the screen projection application software.
  • the sending end 100 can take a screenshot of the currently displayed screen, and transmit the screen to the wireless screen uploader 300, and the wireless screen transfer device 300 can transfer the screen It is displayed on the receiving terminal 200 through wireless transmission.
  • one receiving end 200 can simultaneously receive and display the images transmitted by multiple sending ends 100 through the wireless screen transmitter 300, such as displaying multiple sending ends at the same time through split screen. 100 sent screens etc.
  • the method for dynamically setting the screen transfer timeout time provided in the first embodiment specifically includes:
  • the motion state of the wireless screen transmitter will change significantly in a short period of time, for example, a relatively large amplitude will occur.
  • Shaking, height change or speed change, etc. so when the motion sensor built into the wireless screen transmitter detects that the change in the motion state of the wireless screen transmitter reaches a certain amplitude within a predetermined time, the The wireless screen transmitter can send a first trigger instruction to the receiving end to trigger the receiving end to reduce the timeout period of disconnection, so that if the user really pulls out the wireless screen transmitter, the receiving end can take the initiative to withdraw from the receiver faster. Describe the connection status of the wireless screen transfer device, and promptly remove the last screen transmitted by the wireless screen transfer device, and jump back to the corresponding interface to facilitate subsequent operations of the user.
  • the motion sensor is a gyroscope sensor
  • the motion state change amount is an angular deflection value
  • the user wants to unplug the wireless screen transmitter from the sending end, it will cause a certain change in the angle of the wireless screen transmitter.
  • the gyroscope sensor can detect this angle deflection value and send it to the wireless screen transmitter.
  • the processor when determining that any one of the angular deflection values within a predetermined time (such as 100ms) is greater than a certain amplitude, sends a first trigger instruction to the receiving end to trigger the receiving end to reduce the timeout of disconnection time.
  • connection disconnection timeout time can be set from 15 seconds to 10 seconds.
  • the motion sensor is an acceleration sensor
  • the motion state change amount is an acceleration value
  • the user wants to unplug the wireless screen transmitter from the sending end, it will cause the wireless screen transmitter to exhibit a certain degree of displacement, resulting in an acceleration value.
  • the acceleration sensor can detect this acceleration value and send it to the processor of the wireless screen transmitter.
  • the processor determines that the acceleration value is greater than a certain amplitude, it sends a first trigger instruction to the receiving end to trigger the receiving end to decrease The timeout period for disconnection.
  • the operating sensor may also be a gravity sensor, a rotation vector sensor, a direction sensor, etc., as long as it can detect the various possible occurrences of the wireless screen transmitter when it is pulled out.
  • the change of the state of motion is sufficient, and these solutions are all within the protection scope of this application.
  • the method for dynamically setting the screen transmission timeout time detects the movement state of the wireless screen transmitter to obtain whether the user intends to remove the wireless screen transmitter.
  • the first trigger instruction is sent to the receiving end to make the receiving end reduce the timeout period of disconnection, so that the receiving end can relatively quickly exit the currently displayed screen when the user unplugs the wireless screen transmitter.
  • the default timeout period can be set to be relatively long to ensure that users will not be disconnected in the case of short-term communication interruption due to network fluctuations during normal continuous use.
  • step S102 the method further includes:
  • the receiving end is triggered to extend or resume the timeout period of disconnection.
  • the motion state of the wireless screen transmitter is not necessarily caused by the user pulling it out
  • the user moves the transmitter connected to the wireless screen transmitter or the desk where the transmitter is located. Vibration and other reasons may cause the movement state of the wireless screen transmitter to change, which in turn causes the wireless screen transmitter to send the first trigger instruction to the receiving end.
  • the timeout period of the receiving end becomes shorter, it is easier to cause the user to disconnect from the wireless screen transmitter in the case of a short-term communication interruption due to network fluctuations during normal continuous use.
  • the wireless screen transmitter after the wireless screen transmitter sends the first trigger instruction and a predetermined time has elapsed, if it is still detected that it remains connected to the sender, it means that the user has not actively pulled out the wireless screen transmitter
  • the intent of the wireless screen transmitter is that the change in the motion state of the wireless screen transmitter is caused by other factors.
  • the wireless screen transmitter sends a second trigger instruction to the receiving end to make the receiving end extend or resume disconnection.
  • the timeout period ensures that users will not be disconnected in the case of short-term communication interruption due to network fluctuations during normal continuous use.
  • the receiving end may also set the ultrasound time to other times, such as 20 seconds, 12 seconds or other values, which are not specifically limited in this application.
  • the timeout period will be reset, for example, 10 seconds will be reset to 15 seconds, when the connection is established again next time, 15 seconds are still used as the initial ultrasound time for disconnection.
  • FIG. 3 is a flowchart of a method for dynamically setting a screen transfer timeout time according to the second embodiment of the application.
  • the method for dynamically setting the screen transfer timeout time can be executed by the receiving end, in particular, executed by one or more processors in the receiving end, and includes:
  • S201 Receive a first trigger instruction transmitted by a wireless screen transmitter; wherein the first trigger instruction is generated by the wireless screen transmitter when it detects that the change in its own motion state reaches a certain amplitude.
  • the receiving end can actively reduce the timeout period of disconnection after receiving the first triggering instruction of the wireless screen transmitter, so that the receiving end can quickly exit the current situation when the user removes the wireless screen transmitter. The screen displayed.
  • step S202 the method further includes:
  • the timeout time for disconnection is restored to the default initial value.
  • the receiving end if the receiving end is still able to receive the heartbeat data packet from the wireless screen transmitter before the timeout period is reached, it means that the wireless screen transmitter is still working, that is, it is still in and sending At this time, it means that the generation of the first trigger instruction may not be caused by the user actively unplugging the wireless screen transmitter, that is, if the user has no intention of unplugging the wireless screen transmitter, the receiving end will disconnect the connection timeout The time is restored to the default initial value to ensure that the user will not be disconnected in the case of short-term communication interruption due to network fluctuations during normal continuous use.
  • the receiving end sets the timeout time to 10 seconds
  • the receiving end restores the timeout period of disconnection To 15 seconds.
  • step S202 the method further includes:
  • the timeout period of connection disconnection is extended or restored.
  • the wireless screen transmitter sends the first trigger instruction and a predetermined time has elapsed, if it is still detected that it remains connected to the sending end, it means that the user has no intention to pull out the wireless screen transmitter, and the wireless screen transmitter is in motion The change is caused by other factors.
  • the wireless screen transmitter sends a second trigger instruction to the receiving end, so that the receiving end extends or restores the timeout period of disconnection to ensure that the user continues to use During the process, the connection will not be disconnected in the case of short-term communication interruption due to network fluctuations.
  • the receiving end may also set the ultrasound time to other times, such as 20 seconds, 12 seconds or other values, which are not specifically limited in this application.
  • the third embodiment of the present application also provides a device for dynamically setting the screen transmission timeout time corresponding to Embodiment 1, which includes:
  • the motion state detection unit 310 is used to detect the amount of change in the motion state of the wireless screen transmitter itself;
  • the first trigger unit 320 is configured to trigger the receiving end currently connected to the wireless screen transmitter to reduce the timeout period of disconnection when it is determined that the change in the motion state reaches a certain amplitude within a predetermined time.
  • a second trigger unit 330 is further included, configured to trigger the receiving end to extend or restore the timeout period of disconnection when it is determined that the connection with the sending end is still maintained after a predetermined time.
  • the device for dynamically setting the screen transfer timeout time detects the movement state of the wireless screen transfer device to obtain whether the user has the intention of removing the wireless screen transfer device.
  • Send the first trigger instruction to the receiving end so that the receiving end reduces the timeout period of disconnection, so that the receiving end can quickly exit the currently displayed screen when the user unplugs the wireless screen transmitter.
  • the default timeout period can be set to be relatively long to ensure that users will not be disconnected in the case of short-term communication interruption due to network fluctuations during normal continuous use.
  • the fourth embodiment of the present application also provides a device for dynamically setting the screen transmission timeout time corresponding to the second embodiment, which includes:
  • the first trigger instruction receiving unit 410 is configured to receive the first trigger instruction transmitted by the wireless screen transmitter; wherein the trigger instruction is reached within a predetermined time by the wireless screen transmitter when the change in its own motion state is detected Generated at a certain amplitude;
  • the first timeout time setting unit 420 is configured to reduce the timeout time of disconnection according to the first trigger instruction.
  • Optional also includes:
  • the restoring unit 430 restores the timeout period of disconnection to the default initial value when receiving the heartbeat data packet from the wireless screen transmitter before the timeout period is reached.
  • Optional also includes:
  • the second trigger instruction receiving unit 440 is configured to receive the second trigger instruction transmitted by the wireless screen passer; wherein the second trigger instruction is determined by the wireless screen passer to send the first instruction after a predetermined time. Generated when the end is still connected;
  • the second timeout time setting unit 450 is configured to extend or restore the timeout time of disconnection according to the second trigger instruction.
  • the timeout period of disconnection can be actively reduced, so that the user can quickly exit the currently displayed screen when the wireless screen transmitter is removed.
  • the fifth embodiment of the present application also provides a wireless screen transfer device, which includes a processor, a motion sensor connected to the processor, and a memory.
  • the memory stores a computer program, and the computer program can be processed by the processor.
  • the device executes to implement the method for dynamically setting the screen transfer timeout time as in the first embodiment and its optional embodiments.
  • motion sensors include, but are not limited to: gyroscope sensors, acceleration sensors, and rotation vector sensors.
  • the connection mode of the motion sensor and the wireless screen transmitter can be connected through a serial port.
  • the sixth embodiment of the present application also provides a receiving end, including a processor and a memory connected to the processor, and a computer program is stored in the memory, and the computer program can be executed by the processor to realize Such as the method for dynamically setting the screen transfer timeout time in the second embodiment and its optional embodiments.
  • the receiving end can be a smart interactive tablet, where the smart interactive tablet uses touch technology to control the content displayed on the display panel (LCD, LED, PDP) and realize human-computer interaction.
  • This equipment integrates multiple functions of projectors, electronic whiteboards, screens, stereos, televisions, and video conference terminals. It is suitable for group communication occasions and centrally solves the remote audio and video communication in the conference. It can display high-definition conference documents in various formats. , Video file playback, live audio, screen writing, file labeling, storage, printing and distribution and other systemized meeting requirements; at the same time, it also has built-in TV reception and surround sound, which can also meet the needs of audiovisual entertainment after work. It is widely used in education and teaching, corporate meetings, business exhibitions and other fields, which can effectively improve the communication environment and enhance the efficiency of group communication.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are merely illustrative, for example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined Or it can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • each unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the above-mentioned integrated unit may be implemented in the form of hardware, or may be implemented in the form of hardware plus software functional units.
  • the above-mentioned integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium.
  • the above-mentioned software functional unit is stored in a storage medium and includes several instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (Processor) execute the method described in each embodiment of the present application Part of the steps.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .

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Abstract

L'invention concerne un procédé et un appareil de configuration dynamique d'une période de temporisation de transmission d'écran, et un dispositif de transmission d'écran sans fil ainsi qu'une extrémité de réception. Le procédé comprend les étapes suivantes consistant à : acquérir la variation d'état de mouvement d'un dispositif de transmission d'écran sans fil au moyen d'un capteur de mouvement intégré ; et lorsqu'il est déterminé que la variation d'état de mouvement atteint une certaine amplitude, déclencher une extrémité de réception en connexion sans fil avec le dispositif de transmission d'écran sans fil pour réduire la période de temporisation en vue d'une déconnexion. L'état de mouvement du dispositif de transmission d'écran sans fil est surveillé pour apprendre si un utilisateur a ou non prévu de débrancher le dispositif de transmission d'écran sans fil ; et lorsqu'il est déterminé que l'utilisateur a prévu de débrancher le dispositif de transmission d'écran sans fil, une première instruction de déclenchement est envoyée à l'extrémité de réception pour permettre à l'extrémité de réception de réduire la période de temporisation en vue d'une déconnexion, de telle sorte que, dans un scénario dans lequel l'utilisateur a débranché le dispositif de transmission d'écran sans fil, l'extrémité de réception peut rapidement sortir d'un écran d'affichage actuel.
PCT/CN2019/121497 2019-04-10 2019-11-28 Procédé et appareil de configuration dynamique d'une période de temporisation de transmission d'écran, et dispositif de transmission d'écran sans fil ainsi qu'extrémité de réception WO2020207031A1 (fr)

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CN201910285466.3A CN110007886B (zh) 2019-04-10 2019-04-10 传屏超时时间动态设置方法、装置、无线传屏器及接收端
CN201910285466.3 2019-04-10

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CN115706958A (zh) * 2021-07-20 2023-02-17 华为技术有限公司 数据处理方法及电子设备
WO2024113089A1 (fr) * 2022-11-28 2024-06-06 广州视臻信息科技有限公司 Procédé de commande de connexion

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