Abstract: An electronic device includes a first circuit operating on a first signal of a first frequency and a second circuit operating on a second signal of a second frequency. The first signal is different from the second signal, and the first circuit and the second circuit share a first component. The first component functions as an antenna for the second circuit, which reduces space occupied by a dedicated or independent antenna and achieves smaller size and better industrial design for the electronic device.

Abstract: An electronic device includes a housing and a strain sensor group attached on a wall of the housing. The strain sensor group includes at least one strain sensor each configured to detect deformation of the wall in a single direction. When a user presses the housing, the strain sensor group detects deformation of the wall and generates a detection signal indicating direction and magnitude of deformation of the wall. At least one analog-to-digital converter converts the detection signal into a digital signal, and a controller triggers a first event in the electronic device based on the digital signal.

Abstract: A wireless wearable device, including a housing, a PCB located inside the housing, and an antenna module connected to the PCB. The antenna module is configured to transmit and receive a wireless signal, and includes a first electrode. A part of a body of a user and the first electrode together serve as an antenna for the wireless signal. A total length of the first electrode can be lower than a quarter of a wavelength applied in wireless communication. The user does not need to perform an intentional touch or grip due to a constant contact in wearing. Miniaturization of the whole device is achieved while ensuring good quality of wireless communication.

Abstract: A wireless wearable device, including a housing, a PCB located inside the housing, and an antenna module connected to the PCB. The antenna module is configured to transmit and receive a wireless signal, and includes a first electrode, of which a portion is located at a surface of the housing. The portion of the first electrode keeps in contact with a skin of a user when the wireless wearable device is worn by the user. A total length of the first electrode can be lower a quarter of a wavelength applied in wireless communication. The user does not need to perform an intentional touch or grip due to a constant contact in wearing. A metal housing can be applied without screening transmitted and received signals. Miniaturization of the whole device is achieved while ensuring good quality of wireless communication.

Abstract: An antenna and a wireless earbud are provided. The antenna includes: a metal plate; a first dielectric layer and a second dielectric layer disposed on different areas of the metal plate; a first antenna element isolated from the metal plate and configured to be electrically coupled with a ground terminal; and a second antenna element isolated from the metal plate and configured to be electrically coupled with a feeding terminal. The wireless earbud includes a housing, and at least a part of the housing is a metal plate.

Abstract: An input apparatus and an electronic device applying the input apparatus. The input apparatus includes: at least one sensor, configured to detect an inputting operation, and output a first signal based on the inputting operation; at least one amplifying circuit, configured to amplify a difference between the first signal and a referential signal, to output a second signal, where each of the at least one amplifying circuit comprises a plurality of stages, each of the plurality stages comprises an amplifier, and a high-pass filter is connected between last two stages of the plurality of stages; and an analog-digital converter, configured to convert the second signal into a digital signal characterizing a state of the inputting operation, where the ADC comprises at least one comparator. Users can give instructions through novel inputting operations, and performances of the electronic device are greatly improved.

Abstract: A wearable detection device includes a main body, a first belt body, and a second belt body. The first belt body and the second belt body are connected to two sides of the main body. The main body includes a power source, a control circuit connected to the power source, and a processor connected to the control circuit. The wearable detection device further includes a flexible circuit board and a plurality of to-be-conducted chips. The flexible circuit board is disposed in the first belt body and is connected to the main body. The plurality of to-be-conducted chips are disposed in the first belt body and are connected to the flexible circuit board. When the first belt body and the second belt body are interconnected, the to-be-conducted chip positioned at a junction point is connected.

Abstract: The present disclosure relates to a head-mounted display device, comprising a device body, a front cover and a remote controller, wherein one end of the device body is a display end, the front cover is disposed on the device body and is opposite to the display end, and he front cover and the display end enable a display to be inserted therebetween when in use; and wherein the front cover is provided with a through hole opposite to the display end, in which the remote controller can be received and fixed. One technical effect of the present disclosure is that the remote controller herein is easy to store and can be carried integrally with the device body.

Abstract: Provided are a method and device for transmitting an image. The method includes: adjusting an image compression ratio based on a current network transmission condition; performing compression processing on an image to be transmitted according to the adjusted image compression ratio to obtain a compressed image; and sending the compressed image to a viewing device side for the viewing device side to play the compressed image. The present disclosure ensures the fluency of image playback on the viewing device side, and improves the viewing experience of a user.

Abstract: A method for calibrating a light smart watch includes: providing an FPC soft board under a dial, a size of the FPC soft board matching a size of the dial, the FPC soft board is divided into a plurality of partitions, each partition is insulated from other partitions, and each of watch hands and each partition form a capacitor in turn when the watch hands run; detecting a capacitance change amount of each partition, determining positions of partitions where the watch hands are currently located, and determining a current time indicated by the watch hands, according to the positions of partitions where the watch hands are currently located; comparing the current time indicated by the watch hands with a current time of a mobile terminal to determine a time error; and adjusting the watch hands, according to the time error to run in sync with the time of the mobile terminal.

Abstract: The present disclosure provides a method and a device of denoising a voice signal. The method portion includes the following steps: filtering out an environmental noise signal in an original input signal according to an interference signal related to the environmental noise signal in the original input signal to obtain a first voice signal; obtaining a sample signal matching the first voice signal from a voice signal sample library; and filtering out other noise signal in the first voice signal according to the sample signal matching the first voice signal, to obtain an effective voice signal. The method provided by the present disclosure may effectively filter out the environmental noise signal and other noise signal in the voice signal.

Abstract: The present invention relates to the technical field of earphones and provides a reasonable and feasible firmware upgrade solution for TWS earphones. Disclosed in the present application are a TWS earphone, a charging case, an upgrading method thereof and a storage medium. The method comprises: acquiring an upgrading firmware package sent by a preset terminal by means of a first audio output device; upgrading the first audio output device by using a first upgrading firmware in the upgrading firmware package acquired by the first audio output device; sending a second upgrading firmware in the upgrading firmware package acquired by the first audio output device to a second audio output device by means of a charging case, so as to upgrade the second audio output device by using the second upgrading firmware. The upgrade solution of the present application enables a reasonable and feasible firmware upgrade operation of TWS earphones.

Abstract: Provided is a method for establishing a single-line connection. A wireless earphone determines whether a power supply contact of a charging box is in a communication mode, where a charging contact of the wireless earphone is connected to the power supply contact of the charging box. The wireless earphone switches the charging contact from a charging mode to a communication mode to establish a single-line connection with the charging box when determining that the power supply contact of the charging box is in the communication mode.

Abstract: Embodiments of the present application disclose a method and a device for loading module of virtual reality equipment based on PC terminal. The virtual reality equipment is in communication connection with the PC terminal, and comprises a plurality of functional devices and functional modules corresponding to the functional devices; and the PC terminal comprises experience modules corresponding to the functional devices.

Abstract: Disclosed is a wireless headset role switching method, relating to the technical field of portable listening devices, wherein a main wireless headset is a headset currently establishing a connection with a terminal, and a slave wireless headset is a headset not currently establishing a connection with the terminal. The method includes: when receiving an in-place instruction, a main wireless headset sending connection information of the main wireless headset and a terminal to a slave wireless headset, so that the slave wireless headset initiates a connection request to the terminal according to the connection information and establishes a connection with the terminal, thereby completing wireless headset role switching. Also disclosed are a wireless headset, a wireless connection device role switching method, a TWS headset and a computer-readable storage medium, having those beneficial effects.

Abstract: The present disclosure provide a laser beam scanning display device and augmented reality (AR) glasses, comprising a focusing lens, a laser emitter located at a focal point of the focusing lens, a beam combiner, a micro-electromechanical assembly and a projection lens. The laser emitter emits trichromatic laser signals, which are irradiated into the beam combiner via the focusing lens. The beam combiner converges the trichromatic laser signals into a convergent laser signal and emits it to the micro-electromechanical assembly. The micro-electromechanical assembly scans the received convergent laser signal to generate a content to be displayed. In the above laser beam scanning display device, the content to be displayed, which is generated by the micro-electromechanical assembly, is displayed on the screen via the projection lens, which dispenses with any laser signal reflecting or transmitting means, thus reducing the volume of the device.

Abstract: Provided are a program upgrade method, a TWS headphone, a method and system for upgrading a program of a TWS headphone. The program upgrade method, applied to a TWS headphone including a first wireless headphone and a second wireless headphone arranged in pairs, includes, establishing a wireless communication connection between the first wireless headphone and terminal, and receiving, by the first wireless headphone, a first upgrade file sent by the terminal for upgrade; and establishing a wireless communication connection between the second wireless headphone and the terminal, and receiving, by the second wireless headphone, a second upgrade file sent by the terminal for upgrade after the first wireless headphone completes upgrade.

Abstract: A method and device for noise-reduction processing and an earphone are disclosed. The method includes: collecting an environmental-sound signal by using a feedforward microphone to acquire amplitude information and spectrum information of the environmental-sound signal; performing feedforward noise-reduction processing on the environmental-sound signal according to the amplitude information of the environmental-sound signal, and extracting a sound signal having a specified frequency in the environmental-sound signal according to the spectrum information of the environmental-sound signal; and outputting the sound signal having the specified frequency together with the signal after being feedforward noise-reduction processed. The present disclosure can realize the monitoring of the valuable sound signal having a specified frequency in the environmental-sound signal.

Abstract: Embodiments of the present disclosure provide a connection request processing method, a Bluetooth earphone, a wearable device, a system and a storage medium. In the embodiments of the present disclosure, upon receiving an A2DP connection request sent by a terminal device, it being not necessary to maintain an A2DP connection with the terminal device is determined according to current status information of the Bluetooth earphone; a type of the terminal device is identified according to a situation of other connection request sent by the terminal device received before receiving the A2DP connection request; and the A2DP connection request in a manner suitable for the type of the terminal device to maintain a non-A2DP connection status with the terminal device is processed.

Abstract: Provided are methods and devices of picture processing and user interface display. The method includes: determining at least one picture in user interface data corresponding to a user interface; storing the at least one picture to an external storage device in an electronic device; and generating an index identifier based on a storage location of the at least one image picture in the external storage device, where the index identifier is used by the electronic device to read the at least one picture in the external storage device indexed by the index identifier for displaying the user interface. The present disclosure provides a guarantee for further improving the display effect of a user interface, saves the memory space of an MCU to a large extent, and improves the user experience.