WO2019232752A1 - Appareil électronique, circuit de commande correspondant et procédé de commande - Google Patents

Appareil électronique, circuit de commande correspondant et procédé de commande Download PDF

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Publication number
WO2019232752A1
WO2019232752A1 PCT/CN2018/090287 CN2018090287W WO2019232752A1 WO 2019232752 A1 WO2019232752 A1 WO 2019232752A1 CN 2018090287 W CN2018090287 W CN 2018090287W WO 2019232752 A1 WO2019232752 A1 WO 2019232752A1
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WO
WIPO (PCT)
Prior art keywords
electronic device
voltage
control
input interface
state
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Application number
PCT/CN2018/090287
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English (en)
Chinese (zh)
Inventor
杨金辉
鄢玖君
Original Assignee
深圳市柔宇科技有限公司
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.)
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Publication date
Application filed by 深圳市柔宇科技有限公司 filed Critical 深圳市柔宇科技有限公司
Priority to PCT/CN2018/090287 priority Critical patent/WO2019232752A1/fr
Priority to CN201880093846.0A priority patent/CN112470101A/zh
Publication of WO2019232752A1 publication Critical patent/WO2019232752A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • 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

Definitions

  • the present application relates to the technical field of control circuits, and in particular, to an electronic device, a control circuit and a control method thereof.
  • the present application provides an electronic device, a control circuit and a control method thereof, which can realize the function of an existing key switch or touch switch without increasing the appearance design of the switch, which is beneficial to reducing the design and manufacturing cost of the electronic device.
  • the present application provides a control circuit, which is applied to an electronic device.
  • the control circuit includes a voltage input interface and a controller.
  • the voltage input interface is configured to be electrically connected to an external power source and receives the external power supply. Input voltage.
  • the controller includes a voltage detection port electrically connected to the voltage input interface, the voltage detection port is used to detect a voltage state of the voltage input interface, and the controller is configured to The system switch state and / or system function of the electronic device are controlled accordingly.
  • the present application provides an electronic device including the control circuit described in the first aspect.
  • the present application provides a control method applied to an electronic device.
  • the electronic device includes a voltage input interface, and the voltage input interface is configured to be electrically connected to an external power source and receives an input voltage provided by the external power source .
  • the control method includes:
  • the system switch state and / or system function of the electronic device are controlled accordingly.
  • This application is based on the existing voltage input interface of the electronic device, and converts the voltage state of the voltage input interface into a switching signal or a function control signal to control the system switching state or system function of the electronic device, thereby enabling Realizing the function of the existing key switch or touch switch without increasing the appearance design of the switch is beneficial to reducing the design cost and manufacturing cost of the electronic device.
  • FIG. 1 is a schematic structural diagram of a control circuit according to a first embodiment of the application.
  • FIG. 2 is a schematic diagram of a control principle of the control circuit shown in FIG. 1.
  • FIG. 3 is a schematic structural diagram of a control circuit according to a second embodiment of the application.
  • FIG. 4 is a schematic structural diagram of a control circuit according to a third embodiment of the application.
  • FIG. 5 is a schematic structural diagram of a control circuit according to a fourth embodiment of the application.
  • FIG. 6 is a flowchart of a control method according to an embodiment of the present application.
  • FIG. 1 is a schematic structural diagram of a control circuit 301 according to a first embodiment of the present application.
  • the control circuit 301 is applied to an electronic device 100, and the electronic device 100 may be an electronic product such as a mobile phone, a tablet computer, or a wearable device.
  • the electronic device 100 further includes at least a built-in battery 10 and a plurality of functional circuits 20.
  • the control circuit 301 includes a voltage input interface 31 and a controller 32, wherein the voltage input interface 31 is configured to be electrically connected to an external power source (not shown), and receives a voltage from the external power source. Input voltage, such as 5V.
  • the external power supply includes, but is not limited to, an adapter or a USB host device (ie, USB Host).
  • the voltage input interface 31 may be a USB interface, such as a Micro USB interface, for plugging and unplugging electrical connection with a plug of the external power source.
  • the voltage input interface 31 may be a suction contact interface, which is configured to be docked with a suction terminal of the external power source to realize electrical connection between the two.
  • the voltage input interface 31 may be a wireless input interface for wirelessly coupling with a wireless output interface of the external power source to realize electrical connection and energy transmission between the two.
  • the voltage input interface 31 may include a receiving coil
  • the wireless output interface of the external power source may include a transmitting coil
  • a current flowing through the transmitting coil may generate a magnetic field
  • the receiving coil may generate a current upon receiving the magnetic field, thereby achieving Energy transfer.
  • the controller 32 includes a voltage detection port 321 electrically connected to the voltage input interface 31.
  • the voltage detection port 321 is configured to detect a voltage state of the voltage input interface 31.
  • the controller 32 is configured to The voltage state of the voltage input interface 31 controls the system switch state and / or system function of the electronic device 100 accordingly.
  • the control circuit 301 of the present application is based on the existing voltage input interface 31 of the electronic device 100. By detecting the power supply signal of an external power supply and cooperating with software control, it can replace the functions of a mechanical key switch and a touch sensor switch to implement the electronic device.
  • the system includes a power control system and a main system of the electronic device 100.
  • the system power on / off includes power-on, power-off, or power-off of the power control system, and power-on or power-off of the main system. Understandably, when the power control system is powered off and shut down, the main system is also in a shutdown state.
  • the system function control is a function control of the main system.
  • control circuit 301 can replace the conventional power switch to control the power supply status of the built-in battery 10 to the system, or can replace mechanical key switches or touch switches to achieve other system function control, such as standby, shutdown charging, system upgrade , Volume adjustment and other controls, thereby effectively solving the dependence of electronic devices on mechanical key switches or virtual touch switches, which can make products, such as smart wearable devices, more adaptable to actual use needs. That is, in the present application, the external power source not only supplies power to the electronic device 100, but its on-off state signal can also be provided to the controller 32 as a switching signal or a function control signal to control the system switching state. Or the system function circuit performs corresponding control.
  • control circuit 301 is used as an example to replace the traditional power switch, and the voltage input interface 31 is a USB interface, and the technical details of this application are specifically introduced.
  • the controller 32 further includes a power port 322 and a switch control port 323.
  • the power port 322 is electrically connected to the voltage input interface 31.
  • the control circuit 301 further includes a control switch 33, which is electrically connected between the built-in battery 10 and the power port 322 and the function circuit 20, and is used to control the communication of the power supply circuit of the built-in battery 10. Off.
  • the control switch 33 when the electronic device 100 is in a shutdown mode, the control switch 33 is in an off state, and the built-in battery 10 is completely disconnected from the power port 322 of the controller 32 and the functional circuit 20, respectively. That is, the electronic device 100 is completely powered off, thereby reducing the self-power consumption of the electronic device 100 in the shutdown mode, and improving the endurance of the built-in battery 10.
  • the controller 32 obtains power from the external power source through the power port 322 to control the electronic device 100 to be powered on and turned on, that is, the power control system of the electronic device 100 is turned on. It can be understood that when the voltage input interface 31 is electrically connected to the external power source, the external power source can also supply power to the functional circuit 20.
  • the The voltage detection port 321 detects a first-level signal.
  • the voltage detection port 321 detects The second level signal, wherein the first level signal may be a high level signal, and the second level signal may be a low level signal.
  • the control switch 33 specifically includes a first connection terminal 331, a second connection terminal 332, and a control terminal 333, wherein the first connection terminal 331 is electrically connected to the built-in battery 10,
  • the second connection terminal 332 is electrically connected to the power port 322 of the controller 32 and the functional circuit 20 respectively, and the control terminal 333 is electrically connected to the switch control port 323.
  • the controller 32 when the voltage detection port 321 detects a first level signal after the controller 32 is powered on, the controller 32 also generates a conduction signal according to the first level signal and passes the The switch control port 323 sends the turn-on signal to the control terminal 333 of the control switch 33 to turn on the control switch 33, that is, the power supply circuit of the built-in battery 10 is turned on, so that the power supply circuit of the built-in battery 10 is turned on.
  • the built-in battery 10 can supply power to the power port 322 of the controller 32 and the functional circuit 20 of the electronic device 100 through the control switch 33 that is turned on. In this way, after the voltage input interface 31 is electrically disconnected from the external power source, the controller 32 can also continue to maintain a state of being powered on.
  • control switch 33 may be a PMOS tube or an NMOS tube
  • control terminal 333 may correspond to the gate (G) of the PMOS tube or the NMOS tube
  • first connection The terminal 331 corresponds to the source (S) of the PMOS or NMOS tube
  • second connection terminal corresponds to the drain (D) of the PMOS or NMOS tube.
  • control switch 33 may be a PNP-type or NPN-type triode, the control end corresponds to the base of the PNP-type or NPN-type triode, and the first connection end corresponds to A collector of the PNP-type or NPN-type transistor, and the second connection end corresponds to an emitter of the PNP-type or NPN-type transistor.
  • the on signal may be a high-level signal or a low-level signal, and may be specifically set according to the type of the control switch 33 and the design of an auxiliary circuit corresponding to the control switch 33, and is not performed here. More details.
  • the control circuit 302 further includes a voltage stabilization circuit 34 electrically connected to the power supply port 322, and the power supply port 322 communicates with all the power supply ports through the voltage stabilization circuit 34 respectively.
  • the voltage input interface 31 and the second connection terminal 332 of the control switch 33 are electrically connected.
  • the voltage stabilizing circuit 34 is configured to adjust an input voltage provided by the external power source received by the voltage input interface 31 and / or an operating voltage provided by the built-in battery 10 and then input the voltage to the power port 322. To ensure that the voltage input to the power supply port 322 is within a safe range, so as to prevent the controller 32 from being damaged due to excessive voltage instability.
  • the voltage stabilizing circuit 34 may adopt a low dropout linear regulator (low dropout regulator, LDO for short).
  • the built-in battery 10 is a rechargeable rechargeable battery, such as a lithium battery.
  • the control circuit 303 further includes a charge-discharge circuit 35.
  • the two connection terminals 332 are electrically connected to the voltage input interface 31, the power supply port 322 of the controller 32, and the functional circuit 20 of the electronic device 100 through the charge and discharge circuit 35, respectively.
  • the charge and discharge circuit 35 can use the input voltage provided by the external power source to charge the built-in battery 10, and / or the built-in battery 10 can provide the controller 32 with the charge and discharge circuit 35.
  • the power port 322 and the functional circuit 20 of the electronic device 100 provide power.
  • the voltage stabilization circuit 34 is electrically connected between the charge and discharge circuit 35 and the power port 322.
  • the voltage stabilization circuit 34 is configured to output the charge and discharge circuit 35. After adjusting the voltage, the voltage is input to the power port 322.
  • the output of the charging and discharging circuit 35 is The charging voltage is generally greater than the battery voltage of the built-in battery 10.
  • the charge-discharge circuit 35 uses the input voltage provided by the external power source to charge the built-in battery 10 and simultaneously powers the power port of the controller 32. 322 and the functional circuit 20 are powered. That is, after the control switch 33 is turned on, when the voltage input interface 31 is electrically connected to the external power source and the built-in battery 10 is not fully charged, the current provided by the external power source is removed from all sources.
  • the second connection terminal 332 of the control switch 33 flows to the first connection terminal 331 to charge the built-in battery 10.
  • the voltage input interface 31 is electrically disconnected from the external power source
  • the current provided by the built-in battery 10 flows from the first connection terminal 331 to the second connection terminal 332 of the control switch 33 to the controller.
  • the power supply port 322 of 32 and the functional circuit 20 supply power.
  • the controller 32 when the controller 32 is powered on, the main system of the electronic device 100 is powered off, and the voltage input interface 31 is electrically connected to the external power source and receives the external When the input voltage provided by the power source, the electronic device 100 enters a shutdown charging mode, as shown in FIG. 2.
  • the charging and discharging circuit 35 is an integrated circuit that integrates the functions of the charging circuit and the discharging circuit, so as to reduce the space occupied by the charging circuit and the discharging circuit in the electronic device 100 and simplify the circuit structure.
  • the charging and discharging circuit 35 may also include a charging circuit and a discharging circuit that are independently provided.
  • the built-in battery 10 may also be a non-rechargeable battery.
  • the above-mentioned charging circuit may be omitted, that is, the charging and discharging circuit 35 may be replaced with a discharging circuit.
  • the voltage detection port 321 detects the second level within a first preset time T1 after the controller 32 is powered on and the power control system is powered on.
  • the signal that is, when the external power source is unplugged, the controller 32 controls the main system of the electronic device 100 to be turned on.
  • the first preset time T1 may be set to 0.5 seconds, 1 second, 2 seconds, or the like.
  • the electronic device 100 when the main system of the electronic device 100 is in a power-on mode, and the voltage input interface 31 is electrically connected to the external power source again and receives the input voltage provided by the external power source, that is, the external power source is When plugged in, the electronic device 100 enters a power-on charging mode.
  • the controller 32 when the main system of the electronic device 100 is in a power-on mode, and the voltage detection port 321 detects that the voltage state of the voltage input interface 31 alternates within a second preset time T2 When the first preset number of times C1 is changed, the controller 32 is further configured to control the main system of the electronic device 100 to shut down.
  • the booting mode includes a booting non-charging mode and a booting charging mode.
  • the second preset time T2 can be set to 0.5 seconds, 1 second, 2 seconds, etc.
  • the first preset number of times C1 can be set to 2 times, 3 times, 4 times, etc., the voltage of the voltage input interface 31
  • the state changes alternately within the second preset time T2.
  • the first preset number of times C1 means that the external power source plugs in and out of the first preset number of times C1 within the second preset time T2.
  • the external power source is within 1 second. Quickly plug or unplug twice or more.
  • the controller 32 when the voltage detection port 321 detects the first level signal within a third preset time T3 after the main system of the electronic device 100 enters a shutdown state from a power-on state At this time, the controller 32 continues to output the conduction signal, so that the control switch 33 is continuously turned on, so that the electronic device 100 enters a shutdown charging mode.
  • the external power source when the main system of the electronic device 100 is switched from the on state to the off state, the external power source may be in an inserted state, and the voltage detection port 321 may detect the first One level signal.
  • the external power supply when the main system of the electronic device 100 enters the shutdown state from the power-on state, the external power supply may be in an unplugged state, and after the main system of the electronic device 100 enters the shutdown state from the power-on state Insert it again within the third preset time T3, so that the voltage detection port 321 can detect the first level signal.
  • the controller 32 when the main system is turned on, the controller 32 also continuously outputs the conduction signal, so that the control switch 33 is continuously turned on, so that the built-in battery 10 can be continuously turned on.
  • the controller 32 supplies power, so that the main system can remain powered on after the external power source is unplugged.
  • the controller 32 when the voltage detection port 321 does not detect the first level within a third preset time T3 after the main system of the electronic device 100 enters a shutdown state from a power-on state, the controller 32 is further configured to generate a disconnection signal and send the disconnection signal to the control terminal 333 of the control switch 33 through the switch control port 323 to disconnect the control switch 33 So that the built-in battery 10 stops supplying power to the power port 322 of the controller 32 and the functional circuit 20 of the electronic device 100, powers down the controller 32, and shuts down the power of the electronic device 100. The power control system enters a shutdown mode, so that the electronic device 100 is completely powered off and shut down.
  • the USB interface has become a necessary voltage input interface for consumer electronics, which is used to implement the charging and communication functions of the product.
  • the control circuit 301, 302, or 303 is used to replace the conventional power switch, based on the existing voltage input interface 31 of the electronic device 100
  • the present application adds control to the power supply circuit of the built-in battery 10 Switch 33, and add a voltage detection port 321 electrically connected to the voltage input interface 31 and a switch control port 323 electrically connected to the control switch 33 to the controller 32, and then detect the voltage input interface 31 Voltage state to control the conduction state of the control switch 33 to control the power supply state of the built-in battery 10, so that the existing key switch or touch switch function can be realized without increasing the appearance design of the switch. Conducive to reducing the design cost and manufacturing cost of electronic equipment.
  • a virtual key or function button icon can be displayed through a display screen (not shown) of the electronic device 100 and touch input can be received.
  • function control such as volume adjustment, system reset, system upgrade and other functions.
  • the controller 32 when the main system of the electronic device 100 is in a power-on mode, and the voltage detection port 321 detects that the voltage state of the voltage input interface 31 changes alternately within a fourth preset time
  • the controller 32 is further configured to generate a function control signal and control a system function of the electronic device 100 according to the function control signal.
  • the system functions of the electronic device 100 include, but are not limited to, volume adjustment, system reset, and system upgrade.
  • the controller 32 further includes a function control port 324, and the controller 32 sends the function control signal to the corresponding function through the function control port 324 according to the type of the function control signal.
  • the circuit 20 is configured to perform corresponding control on the corresponding functional circuit 20 so as to implement corresponding system function control.
  • the controller 32 can preset the correspondence between various change conditions of the voltage state of the voltage input interface 31 and various function control signals.
  • the controller 32 can generate a corresponding function control signal, and control the corresponding system function of the electronic device according to the function control signal.
  • the control circuit of the present application is based on the existing voltage input interface 31 of the electronic device 100, by adding a voltage detection port 321 electrically connected to the voltage input interface 31 to the controller 32, and then detecting the voltage input.
  • the voltage state of the interface 31 is converted into a switch signal or a function control signal to control the system switch state or system function of the electronic device, so that the existing key switch or touch switch can be realized without increasing the appearance design of the switch.
  • the functions help reduce the design and manufacturing costs of electronic equipment.
  • FIG. 6 is a flowchart of a control method according to an embodiment of the present application.
  • the method can be applied to the electronic device in the embodiment shown in FIGS. 1-5 described above, wherein the electronic device includes a voltage input interface and a controller, and the voltage input interface is configured to be electrically connected to an external power source and receive An input voltage provided by the external power source, for example, a 5V voltage.
  • the control method includes the following steps:
  • Step 601 Detect a voltage state of the voltage input interface.
  • the step 601 may include:
  • Step 602 Perform corresponding control on the system switch state and / or system function of the electronic device according to the voltage state of the voltage input interface.
  • the electronic device further includes a control switch electrically connected between the built-in battery of the electronic device and a controller and a functional circuit, and the control switch is used to control a power supply circuit of the built-in battery.
  • the control switch On and off.
  • the control switch is in an off state, and the built-in battery is completely disconnected from a power port of the controller and a functional circuit of the electronic device, that is, all The electronic device is completely powered off, thereby reducing the self-consumption energy of the electronic device in the shutdown mode, and improving the endurance of the built-in battery.
  • control method further includes:
  • the electronic device When the electronic device is in a shutdown mode and the voltage input interface is electrically connected to the external power source and receives an input voltage provided by the external power source, the power of the external power source is provided to the control of the electronic device. Controller, so that the controller is powered on.
  • the external power source can also supply power to the functional circuit.
  • control method further includes:
  • the control switch After the controller is powered on and turned on, when a first level signal is detected on the voltage input interface, a conduction signal is generated according to the first level signal, and an electrical signal is turned on according to the conduction signal.
  • the control switch enables the built-in battery to supply power to the controller and functional circuits of the electronic device through the control switch that is turned on.
  • the controller can also continue to maintain a state of being powered on.
  • the step 602 may include:
  • the main system of the electronic device is controlled to start.
  • the first preset time may be set to 0.5 seconds, 1 second, 2 seconds, or the like.
  • the electronic device 100 when the main system of the electronic device 100 is in a power-on mode, and the voltage input interface 31 is electrically connected to the external power source again and receives the input voltage provided by the external power source, that is, the external power source is again When plugged in, the electronic device 100 enters a power-on charging mode.
  • the step 602 may include:
  • the main system of the electronic device When the main system of the electronic device is in a power-on mode and it is detected that the voltage state of the voltage input interface changes alternately for a first preset number of times within a second preset time, the main system of the electronic device is controlled to shut down.
  • the booting mode includes a booting non-charging mode and a booting charging mode.
  • the second preset time can be set to 0.5 seconds, 1 second, 2 seconds, etc.
  • the first preset number of times can be set to 2 times, 3 times, 4 times, etc.
  • the voltage status of the voltage input interface is The first preset number of times alternately within two preset times means that the external power source is plugged and unplugged for the first preset number of times within the second preset time, for example, the external power source is quickly plugged in or out twice or two times in one second. More than times.
  • the step 602 may include:
  • the on signal is continuously output so that the control switch continues to conduct On, the electronic device enters a shutdown charging mode.
  • the external power source when the main system of the electronic device enters a shutdown state from a powered-on state, the external power source may be in an inserted state, and the voltage detection port may detect the first power source. Flat signal.
  • the external power supply when the main system of the electronic device enters a shutdown state from a powered-on state, the external power supply may be in an unplugged state, and the first time after the main system of the electronic device enters a shutdown state from a powered-on state Insert it again within three preset times so that the voltage detection port can detect the first level signal.
  • the controller when the main system is in the power-on state, the controller also continuously outputs the conduction signal, so that the control switch is continuously turned on, so that the built-in battery can continue to control the control. Power supply, so that the main system can maintain the power-on state after the external power source is unplugged.
  • the step 602 may include:
  • a disconnection signal is generated, and all devices are disconnected according to the disconnection signal.
  • the control switch stops the built-in battery from supplying power to the controller and functional circuits of the electronic device, causes the controller to power down and shuts down, and causes the power supply control system of the electronic device to enter a shutdown mode.
  • the control method of the present application is based on the existing voltage input interface of the electronic device, by adding a control switch to the power supply circuit of the built-in battery, and controlling the conduction of the control switch by detecting the voltage state of the voltage input interface.
  • the on state is used to control the power supply state of the built-in battery, so that the existing key switch or touch switch function can be realized without increasing the appearance design of the switch, which is beneficial to reducing the design cost and manufacturing cost of the electronic device.
  • the step 602 may include:
  • a function control signal is generated and is controlled according to the function The signal controls a system function of the electronic device.
  • the system functions of the electronic device include, but are not limited to, volume adjustment, system reset, and system upgrade.
  • controlling a system function of the electronic device according to the function control signal includes:
  • the function control signal is sent to a corresponding function circuit of the electronic device to perform corresponding control on the corresponding function circuit, thereby achieving corresponding system function control.
  • the correspondence relationship between multiple change conditions of the voltage input interface voltage status and multiple function control signals can be preset.
  • a corresponding function control signal can be generated, and a corresponding system function of the electronic device is controlled according to the function control signal.
  • the control method of the present application is based on an existing voltage input interface of the electronic device, and converts the voltage state of the voltage input interface into a switching signal or a function control signal to control a system switching state or a system function of the electronic device. Therefore, the function of the existing key switch or touch switch can be realized without increasing the appearance design of the switch, which is beneficial to reducing the design cost and manufacturing cost of the electronic device.

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Abstract

La présente invention concerne un appareil électronique, un circuit de commande correspondant et un procédé de commande. Le circuit de commande comprend une interface d'entrée de tension et un contrôleur. L'interface d'entrée de tension est connectée électriquement à une alimentation électrique externe et reçoit une tension d'entrée fournie par cette dernière. Le dispositif de commande comprend un port de détection de tension connecté électriquement à l'interface d'entrée de tension. Le port de détection de tension est destiné à détecter un état de tension de l'interface d'entrée de tension. Le dispositif de commande est destiné à commander de manière correspondante, en fonction de l'état de tension de l'interface d'entrée de tension, un état sous tension-hors tension du système et/ou une fonction système d'un appareil électronique. La présente invention permet de commander l'état sous tension-hors tension du système ou la fonction système de l'appareil électronique par la conversion de l'état de tension détecté de l'interface d'entrée de tension en un signal marche/arrêt ou un signal de commande de fonction en fonction de l'interface d'entrée de tension existante de l'appareil électronique, ce qui permet d'obtenir la fonction d'un commutateur à bouton classique ou d'un commutateur tactile sans ajout d'un commutateur à une conception esthétique, et de réduire les coûts de conception et de fabrication de l'appareil électronique.
PCT/CN2018/090287 2018-06-07 2018-06-07 Appareil électronique, circuit de commande correspondant et procédé de commande WO2019232752A1 (fr)

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PCT/CN2018/090287 WO2019232752A1 (fr) 2018-06-07 2018-06-07 Appareil électronique, circuit de commande correspondant et procédé de commande
CN201880093846.0A CN112470101A (zh) 2018-06-07 2018-06-07 电子设备及其控制电路和控制方法

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PCT/CN2018/090287 WO2019232752A1 (fr) 2018-06-07 2018-06-07 Appareil électronique, circuit de commande correspondant et procédé de commande

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