Beijing Xiaomi Mobile Software Co., Ltd.

Xiaomi Inc.

Yanteng Wang

Zhijie Li

Changyu Sun

Ning Hao

Kaiqi Wu

Chunli Xu

Hui Li

Chaoxi Chen

Jie Fan

Fei Xie

Qinghui Zhao

Hongtu Cui

Huanhuan Liu

Yibo Xue

Zhaoxi Chen

A charging device, an electronic device, and a charging system includes a charging module and a plurality of magnetically attractable components. The charging device includes the plurality of magnetically attractable components, one or more of the magnetically attractable components form a plurality of sets of positioning modules, and each set of positioning modules forms one positioning structure of a plurality of positioning structures, such that the charging device includes a plurality of sets of positioning structures. In the process of using the charging device and the electronic device cooperatively to achieve charging, the charging device including the plurality of sets of positioning structures can be positioned to match with various types of electronic devices, thereby improving the compatibility of the charging device.

Charging device, electronic device and charging system

A charging device, implemented by a first terminal, includes a transceiver, a voltage converter, and a power supply. The voltage converter is connected with the transceiver and the power supply, and is configured to step up a voltage output by the power supply and provide the stepped up voltage for the transceiver when the first terminal supplies power, and to step down a voltage input by the transceiver and supply the stepped down voltage to the power supply when the first terminal is charged. The transceiver is configured to send a wireless charging signal out based on the voltage stepped up by the voltage converter when the first terminal supplies power, and to receive a wireless charging signal and convert the received wireless charging signal into an input voltage to transmit the input voltage to the voltage converter when the first terminal is charged.

Bidirectional charging method and device, terminal and storage medium

A wireless charging device includes: a power supply circuit configured to provide an alternating current signal; a transmitting coil configured to convert the alternating current signal into electromagnetic waves to radiate to the receiving end; the wireless charging device further includes: a plurality of detecting coils configured to radiate energy to a receiving coil of the receiving end and generate an inductive signal; a movable coil carrier, the transmitting coil and the plurality of detecting coils are disposed on the movable coil carrier; a driving mechanism connected to the movable coil carrier and configured to drive the movable coil carrier to move; the controller configured to acquire inductive signals of the plurality of detecting coils, and control the position of the movable coil carrier by controlling the driving mechanism.

Wireless charging device, system, control method, charging equipment and computer readable storage medium

A charging method for a mobile terminal includes charging a rechargeable battery of the mobile terminal with a constant power, which further includes: charging the rechargeable battery of the mobile terminal with a first constant power determined based on an average charging power supported by the mobile terminal, when a maximum output power of a charger is greater than or equal to the average charging power supported by the mobile terminal; and charging the rechargeable battery of the mobile terminal with a second constant power determined based on the maximum output power of the charger, when the maximum output power of the charger is less than the average charging power supported by the mobile terminal.

Constant power charging method and device for mobile terminal

An electronic device including a screen module and a distance sensing module. The screen module includes a light emitting unit and a control circuit conductively connected with the light emitting unit, where when energy received by a photoelectric effect unit of the control circuit is greater than an excitation threshold of the photoelectric effect unit the control circuit is turned on and the light emitting unit emits light. The distance sensing module is arranged below a display area of the screen module and includes an infrared receiver and a plurality of infrared emitters, where emitted energy of any one of the plurality of infrared emitters is less than the excitation threshold and a sum of emitted energies of the plurality of infrared emitters is greater than an operating threshold of the distance sensing module.

Electronic device

A control method for a wireless charging apparatus includes: receiving a power adjustment value transmitted by a terminal; and adjusting at least one of an output voltage or an output frequency of a wireless Alternating Current (AC) power signal according to the power adjustment value to adjust an output power of the wireless AC power signal.

Wireless charging apparatus and control method and control device therefor

The present disclosure provides a terminal device and a protective shell, and belongs to the technical field of communication. The terminal device includes a body, a first coil, a second coil and a shielding member. The body includes a rear shell. The first coil is located in the body. The second coil is located in the body and close to one side of the rear shell, and the second coil at least partially overlaps the first coil. The shielding member covers the sides, far away from the rear shell, of the first coil and the second coil, and is located outside an overlapping portion of the first coil and the second coil, and the first coil is unshielded from the second coil.

Terminal device and protective shell

A communication method for wireless charging includes: transmitting a data packet to a wireless power transmitting device by in-band communication, if emergency data needs to be transmitted during a wireless charging process; and transmitting the data packet to the wireless power transmitting device by out-of-band communication, if non-emergency data needs to be transmitted during the wireless charging process; wherein a requirement for a transmission delay of the emergency data is higher than a requirement for a transmission delay of the non-emergency data.

Communication method and device for wireless charging

The present disclosure relates to a wireless charging receiving end, a terminal device and a method for wireless charging. The wireless charging receiving end includes an energy receiver, a receiving end processor and a wireless charging management chip. The receiving end processor is connected with the energy receiver and the wireless charging management chip, converts an alternating current into a direct current and modulates and demodulates wireless signals. The wireless charging management chip is connected with a battery, and controls charging of the battery.

Wireless charging receiving end, terminal device and method for wireless charging

The present disclosure relates to a charging processing method, a terminal device and a storage medium. The charging processing method, applied to a terminal device, includes determining whether the terminal device is in a upstream facing port (UFP) mode; when the terminal device is in the UFP mode, determining whether a cable is connected to the terminal device; when the cable is connected to the terminal device, determining whether the cable is a standard cable or a non-standard cable, wherein the terminal device is connected to a charging device via the cable; and when the cable is the non-standard cable, controlling, via the cable, the charging device to provide a standard voltage of non-quickly-charging input voltage to charge the terminal device.

Charging processing method, terminal device and storage medium

A method and a device for controlling wireless charging are provided. The method includes: acquiring charging quality of a wireless charging receiver at a current position relative to a wireless charging transmitter; acquiring charging qualities of the wireless charging receiver respectively at the first and second preset positions; determining relative position information of the wireless charging receiver relative to the wireless charging transmitter, based on the charging qualities at the current position, and at the first and second preset positions; acquiring position correction information of the wireless charging receiver corresponding to the relative position information; and upon correction of a position of the wireless charging receiver based on the position correction information, charging the wireless charging receiver at the corrected position.

Method and device for controlling wireless charging

A distance sensor includes: a shell; and at least two infrared light emission devices, a light sensor and a light wall structure, which are arranged within a space enclosed by the shell. Each of the at least two infrared light emission devices emits light to a set range, and the set ranges corresponding to respective infrared light emission devices have an overlapping region beyond a preset height, a luminous flux density in the overlapping region exceeds a set density threshold value, and a luminous flux density outside the overlapping region is less than the set density threshold value. The light sensor is arranged in a preformed groove of the light wall structure. The light wall structure can be made from a light absorption material and configured to prevent incidence of light around to the light sensor.

Distance sensor, display device, electronic device and distance detection method

A method, a transmitter, a receiver, and a power management apparatus are provided for wireless charging. The method may include: acquiring, in response to an establishment of a connection from the wireless charging transmitter to a charger, voltage and current capability information of the charger; determining, in response to fast wireless charge identification information received from a wireless charging receiver, acknowledgment information corresponding to the fast wireless charge identification information according to the voltage and current capability information of the charger; sending the acknowledgment information to the wireless charging receiver; and requesting, in response to a charging request including desired voltage information and desired current information received from the wireless charging receiver, the charger for a voltage and a current corresponding to the desired voltage information and the desired current information, respectively.

Method for wireless charging, transmitter, receiver and power management apparatus

A wireless charging method and terminal are disclosed. A voltage threshold supported by power management chip and output voltages supported by a charger and corresponding output current upper limit values are acquired. A voltage conversion coefficient is determined with the voltages and the threshold. A charging request to the charger is sent, which includes requested voltage which is maximum output voltage among the output voltages not higher than a product of the voltage threshold and reciprocal of the voltage conversion coefficient and a requested current being not higher than the output current upper limit value corresponding to the requested voltage. A charging signal is generated under excitation of a signal from the charger. With the voltage conversion coefficient and a current conversion coefficient being the reciprocal of the voltage conversion coefficient, voltage and current conversion is performed on the charging signal to obtain an input signal of the chip.

Method and terminal for wireless charging

A method for controlling a screen of a terminal, includes: determining a real-time state of the screen as a first state; generating a first electromagnetic signal corresponding to the first state, and sending the first electromagnetic signal to a metal structure on a surface of the terminal through a first human body communication component, such that the first electromagnetic signal is transmitted via a skin of a user; receiving, by the first human body communication component via the metal structure, a second electromagnetic signal sent by a wearable device associated with the terminal, the second electromagnetic signal being generated by the wearable device according to the first electromagnetic signal; and if the second electromagnetic signal includes state switching information regarding the screen, switching the real-time state of the screen from the first state to a second state.

Growing community of inventors

Beijing, China

Yanteng Wang