Guangdong Oppo Mobile Telecommunications Corp., Ltd.

Shangbo Lin

Shiming Wan

Jialiang Zhang

Jiada Li

Jun Yang

Dongsun Yang

Shebiao Chen

Tao Wang

Zhihua Hu

Yong Sun

Hui Zhang

Disclosed are a wireless charging apparatus, a wireless charging method, and a wireless charging system. The wireless charging apparatus includes: a charging interface; a wireless transmitting circuit configured to convert electric energy outputted from a power supply apparatus into an electromagnetic signal and transmit the electromagnetic signal to wirelessly charge a device to be charged; and a control module configured to determine a wireless charging mode to be adopted as a first wireless charging mode or a second wireless charging mode through communication between the wireless transmitting circuit and the device to be charged, periodically detect whether a condition for exiting the first wireless charging mode has occurred when in the first wireless charging mode, and adjust a current wireless charging mode to the second wireless charging mode in response to detecting that the condition for exiting the first wireless charging mode has occurred.

Wireless charging apparatus, method and system

The present disclosure provides an information reading method, a device, a cable, a charging system, and a computer storage medium. The device includes a device control chip and a first interface. The first interface includes a first-type data signal terminal and a second-type data signal terminal. The first-type data signal terminal is connected to a power supply terminal of a communication control chip of the cable. The second-type data signal terminal is connected to a data signal terminal of the communication control chip. The device control chip is configured to control the first-type data signal terminal to be in a first output state. The first-type data signal terminal is configured to provide, when in the first output state, a first voltage to the power supply terminal, to supply power to the communication control chip.

Information reading method, device, cable, charging system, and computer storage medium

Disclosed are a wireless charging method, a device to-be-charged and a wireless charging system. The method can be applied to the wireless charging system, which includes the device to-be-charged and a wireless charging device. The device to-be-charged includes a wireless receiver circuit and a battery. The wireless receiver circuit is configured to receive an electromagnetic signal transmitted by the wireless charging device, and convert the electromagnetic signal into an output current to charge the battery. The method includes: determining, according to a detected actual output voltage of the wireless receiver circuit, whether the device to-be-charged and the wireless charging device are misaligned with each other during a wireless charging process; and setting a target output voltage of the wireless receiver circuit as the actual output voltage, in response to determining that the device to-be-charged and the wireless charging device are misaligned with each other.

Wireless charging method, device to-be-charged and wireless charging system

Provided are a terminal device and a method and system for monitoring battery safety in a terminal device. The method includes the following. Power-off information generated upon disconnection between a battery connector of the terminal device and a main board of the terminal device is acquired. Whether the disconnection between the battery connector and the main board is an unauthorized disconnection is determined according to the power-off information. Upon determining that the disconnection between the battery connector and the main board is the unauthorized disconnection, determine that a battery of the terminal device has safety hazard and control the terminal device to send reminder information indicative of battery abnormality.

Terminal device and method and system for monitoring battery safety in terminal device

The present disclosure provides a wireless charging device and method, and a device to be charged. The wireless charging device includes a first communication control circuit. The device to be charged includes a second communication control circuit and a battery. The first communication control circuit performs wireless communication with the second communication control circuit during wireless charging of the battery. The wireless communication may be one or more of Bluetooth communication, Wi-Fi communication, short-range wireless communication based on a high carrier frequency, optical communication, ultrasonic communication, ultra-wideband communication and mobile communication.

Wireless charging device and method, and device to be charged

Provided are a wireless charging system, a wireless charging device and a wireless charging method. The wireless charging device includes a voltage conversion circuit, a wireless transmitter circuit and a communication control circuit. The voltage conversion circuit is configured to receive an input voltage and convert the input voltage to obtain an output voltage and an output current. The wireless transmitter circuit is configured to transmit an electromagnetic signal according to the output voltage and the output current of the voltage conversion circuit to perform wireless charging on a device to be charged. The communication control circuit is configured to perform wireless communication with the device to be charged during the wireless charging, to adjust a transmitting power of the wireless transmitter circuit, such that the transmitting power matches a charging voltage and/or a charging current required by a present charging stage of the battery.

Wireless charging system, wireless charging device and wireless charging method

Provided are a wireless charging control method, a charging control device and a device to-be-charged. The method includes: according to an output voltage of a wireless receiving circuit, determining whether a power of a wireless charging signal received by the wireless receiving circuit can meet a charging power currently required by a battery; and when the power of the wireless charging signal fails to meet the charging power currently required by the battery, reducing the charging power currently required by the battery. In the embodiments, the output voltage of the wireless receiving circuit serves as the basis for determining whether the power of the wireless charging signal can meet the charging power currently required by the battery; and the difference between the charging power received by and required by the battery is decreased by reducing the charging power currently required by the battery.

Wireless charging control method and charging control device

A wireless charging system, a wireless charging method, and a device to-be-charged are provided. The wireless charging system includes a wireless charging device and a device to-be-charged. The wireless charging device is configured to conduct wireless communication with the device to-be-charged through communication control circuits to adjust a transmission power of the wireless charging device. In addition, the device to-be-charged has a step-down circuit.

Wireless charging system, wireless charging method, and device to-be-charged

A wireless charging device and a device to-be-charged are provided. The wireless charging system includes a wireless charging device and a device to-be-charged. The wireless charging device is configured to charge the device to-be-charged wirelessly. The wireless charging device includes a wireless transmitting circuit and a first communication control circuit; the device to-be-charged comprises a battery, a wireless receiving circuit, a detecting circuit, and a second communication control circuit. The second communication control circuit is configured to conduct wireless communication with the first communication control circuit, to send to the first communication control circuit at least one of an output voltage and an output current of the wireless receiving circuit detected by the detecting circuit, whereby the first communication control circuit adjusts a transmission power of the wireless transmitting circuit, to meet charging requirements of the battery.

Wireless charging device, method, and device to-be-charged

A data transmission method and a sending end device are provided. The method is applied to short-range wireless communication based on a high carrier frequency. During the process of a sending end device sending data to be transmitted to a receiving end device, the method includes: after short-range wireless communication interrupted between the sending end device and the receiving end device is restored, the sending end device querying recorded transmission information, wherein the transmission information is used to indicate a data block, transmission of which is not completed, in the data to be transmitted; and the sending end device sending, to the receiving end device, the data block, transmission of which is not completed, in the data to be transmitted.

Data transmission method, and sending end device

The present disclosure provides a wireless charging method, device, and system, and a device to be charged. The method includes: a wireless charging device receiving a request instruction sent by a device to be charged, the request instruction being configured to request the wireless charging device to provide a type of a power supply device to the device to be charged; the wireless charging device sending the type of power supply device identified by the wireless charging device to the device to be charged according to the request instruction. The type of power supply device including a fast charging type and a normal type, a maximum output power provided by the fast charging power supply device is greater than or equal to a preset value, and a maximum output power provided by the normal power supply device is less than the preset value.

Wireless charging method, apparatus, system, and device to be charged

The present disclosure provides a wireless charging method, a wireless charging device, a wireless charging system and a device to be charged. The method includes: after a wireless charging device is coupled to a power supply device, the wireless charging device identifying the type of the power supply device; the wireless charging device charging a battery of a device to be charged in a target wireless charging mode according to the type of the power supply device, the target wireless charging mode being a first wireless charging mode or a second wireless charging mode, wherein a charging speed of the wireless charging device charging the battery in the first wireless charging mode is greater than a charging speed of the wireless charging device charging the battery in the second wireless charging mode.

Wireless charging method, wireless charging device, wireless charging system and device to be charged

Provided are a wireless charging device, a wireless charging method, and a device to-be-charged. The wireless charging device is configured to conduct wireless communication with the device to-be-charged through communication control circuits to adjust a transmission power of the wireless charging device. The device to-be-charged includes a battery, a wireless receiving circuit, a first charging channel, a detecting circuit, and a communication control circuit.

Wireless charging device, wireless charging method, and device to-be-charged

The present disclosure provides a wireless charging device and a wireless charging method. The wireless charging device includes a communication control module. The communication control module is configured to, when a power supply device is in a sleep state, control the power supply device to enter a wakeup state; and communicate with the power supply device in the wakeup state to determine a type of the power supply device, where the type of the power supply device includes a fast charging type and a non-fast charging type, a maximum output power of a fast charging power supply device is greater than or equal to a preset value, and a maximum output power of a non-fast charging power supply device is less than the preset value.

Wireless charging device and wireless charging method

Disclosed is a control method for an infrared light source assembly (). The method is used for an electronic device (), wherein the electronic device () comprises a camera (). The infrared light source assembly () comprises at least two infrared light sources () having different illumination ranges. The control method comprises: (S) controlling the camera () so that same collects a face image; (S) processing the face image to acquire face position information; and (S) starting, according to the face position information, an infrared light source () having an illumination range corresponding to that into which a face falls, and turning off other infrared light sources () or keeping some turned off. Further disclosed are an electronic device () and a computer-readable storage medium ().

Growing community of inventors

Guangdong, China

Shangbo Lin