Abstract: A device for detecting battery abnormality, a battery system, and a terminal device are provided. The device includes a voltage-sudden-change detecting circuit, a current detecting circuit, and an abnormality detecting unit. The voltage-sudden-change detecting circuit is configured to detect whether a sudden change in voltage has occurred to a battery and output a sudden-change signal when the sudden change in voltage has occurred. The current detecting circuit is configured to detect a consumption current of the battery and output a small-current signal when the consumption current of the battery is smaller than a preset current threshold. The abnormality detecting unit is coupled with the voltage-sudden-change detecting circuit and the current detecting circuit, and configured to determine that the battery is abnormal upon reception of the sudden-change signal and the small-current signal, store state information on battery abnormality, and send the state information to a controller of a terminal device.

Abstract: The invention relates to a method for processing, by a computer system (100) installed on board a motor vehicle, a signal transmitted by a remote communicating entity and received by means of a radiofrequency signal communication apparatus arranged inside the vehicle, and to a system implementing such a method and to a motor vehicle comprising such a system. The aim of the invention is to determine the plausibility of a radiofrequency signal transmitted by a remote communicating entity, in particular a signal that contains data relative to a followed course and/or a geographical position of the vehicle.

Abstract: A digital-to-analog converter for generating an analog output voltage in response to a digital value comprising a plurality of bits, the converter including: (i) a first switched resistor network having a first configuration and for converting a first input differential signal into a first analog output in response to a first set of bits in the plurality of bits; and (ii) a second switched resistor network, coupled to the first switched resistor network, having a second configuration, differing from the first configuration, and for converting a second input differential signal into a second analog output in response to a second set of bits in the plurality of bits.

Abstract: A driving circuit, an electronic device, and a controlling charging method, comprising: a first interface, used for receiving a direct-current signal inputted by an external power supply device; a second interface, used for receiving at least two pulse-width modulation (PWM) signals; and a processing circuit, used for overlaying and rectifying the direct-current signal and the at least two PWM signals so as to acquire a first direct-current signal, and outputting the first direct-current signal to a gate electrode of an MOS transistor.

Abstract: A charging control apparatus and method for an electronic device are provided. During a process of charging, the power adapter first charges the battery with a constant-voltage direct current output, and then after the power adapter receives a quick-charging instruction, the power adapter adjusts an output voltage according to the voltage of the battery fed back by the charging control circuit, and if the output voltage meets a quick-charging voltage condition pre-set by the charging control circuit, the power adapter adjusts an output current and the output voltage respectively according to a preset quick-charging current value and a preset quick-charging voltage value for quick-charging the battery, and meanwhile the charging control circuit introduces direct current from the power adapter for charging the battery; during a process of quick-charging, the power adapter adjusts the output current in real time according to the output voltage thereof and the voltage of the battery.

Abstract: A system generating an electrical signal based on at least one physical quantity, includes sensor units each generating an individual electrical signal in response to the at least one physical quantity, a selecting unit selecting a first number of sensor units from the sensor units and outputting a first combined electrical signal based on the first number of sensor units, and a calibrating unit determining a second number of sensor units to be selected based on the first combined electrical signal.

Abstract: An exoskeleton finger rehabilitation training apparatus includes a housing. A first motor and a second motor are disposed inside the housing. A direction of an output shaft of the first motor is opposite to a direction of an output shaft of the second motor. The output shaft of the first motor is provided with a first motor gear. A right side of the first motor gear is engaged with a first transmission gear. An edge of the first transmission gear is sequentially connected to an index finger sleeve and a middle finger sleeve that are axially arranged. The output shaft of the second motor is provided with a second motor gear. A right side of the second motor gear is engaged with a second transmission gear. An edge of the second transmission gear is sequentially connected to a pinky sleeve and a ring finger sleeve that are axially arranged.

Abstract: Provided are a charging circuit and an electronic device. The charging circuit includes a first switch tube and an electro-migration suppression circuit. A first end of the first switch tube is connected to a power supply, and a second end of the first switch tube is connected to a to-be-charged battery. The electro-migration suppression circuit is electrically connected to a controlled end of the first switch tube; wherein in a condition of the power supply stopping charging the to-be-charged battery, the electro-migration suppression circuit is configured to adjust a voltage difference between the second end and the controlled end of the first switch tube by adjusting a voltage on the controlled end of the first switch tube, for reducing an electro-migration amount between the second end and the controlled end of the first switch tube.

Abstract: A curling device and a flexible display device are provided. The curling device includes: the electromagnetic telescoping mechanism and the controller are in communication connection; the electromagnetic telescopic mechanism is configured to connect with the flexible display panel element and expanding under the action of the magnetic field when receiving a first signal of the controller so as to drive the flexible display panel element to expand; when a second signal of the controller is received, the flexible display panel element is curled, so that the flexible display panel element is driven to curl.

Abstract: A mechanical seal for liquid with an axially floating tray sleeve inside, comprising a movable ring, a static ring, a locking ring and a tray sleeve, wherein the static ring is connected to a cover and a shell to be stationary, the movable ring is fixed with a shaft or a shaft sleeve through the locking ring and rotates, and the contact end faces of the movable ring and the static ring form a sealing face which is vertical to and slides against the shaft; the tray sleeve is between a sealing ring and the shaft or shaft sleeve in the direction vertical to the shaft; the tray sleeve is connected to the movable ring or the static ring near an inner end of the liquid in the axial direction; the tray sleeve extends out of the cover in the axial direction near the air end.

Abstract: A system for sensing touch or proximity include: a first number of input terminals configured to couple one or more capacitive sensors, a second number of transferring units configured to transfer charges from the one or more capacitive sensors through the first number of input terminals in transferring phases of cycles of the one or more capacitive sensor, wherein at least one of the first and second numbers is equal to or greater than two, and a first switching unit, coupled between the first number of input terminals and the second number of transferring units, configured to selectively electrically couple any one of the first number of input terminals to any one of the second number of transferring units in the transferring phases.

Abstract: A camera optical lens is provided, including, from an object side to an image side: a first lens having negative refractive power; a second having positive refractive power; a third lens having positive refractive power; and a fourth lens having negative refractive power, where the camera optical lens satisfies following conditions: ?3.00?f1/f??1.20; 4.00?f2/f?9.00; 15.00?R4/R3; 2.50?R7/R8?6.00; and 10.00?d5/d6?20.00. The above camera optical lens can meet design requirements for large aperture and wide angle, while obtaining high imaging quality.

Abstract: Disclosed in the present invention is a novel overvoltage protective device for lightning protection, comprising a first varistor, a second varistor, a PTC Thermistor, and lead-out terminals. The first varistor and the PTC Thermistor are connected in parallel, and then further connected in series with the second varistor to form a single port combined circuit. The surge-withstand capability of the first varistor is higher than the surge-withstand capability of the second varistor. At least one of the two lead-out terminals of the single port combined circuit is a thermally-conductive end with low thermal resistance. The second varistor is thermally coupled to the PTC Thermistor. The thermally-conductive end with low thermal resistance is thermally coupled to one or both of the second varistor and the PTC Thermistor.

Abstract: Filters and cigarettes include an activated carbon sorbent capable of selectively removing nitric oxide from mainstream tobacco smoke. Methods for making cigarette filters and cigarettes using the activated carbon sorbent and methods for treating mainstream tobacco smoke produced by smoking a cigarette comprising the sorbent are also provided.

Abstract: A communication method and a communications apparatus are provided. The communication method includes: receiving a first message from a shared channel of a plurality of network slices, where the first message includes a plurality of network IDs, and the plurality of network IDs are in a one-to-one correspondence with the plurality of network slices; selecting a target network slice from the plurality of network slices; and obtaining access configuration information of the target network slice from network configuration information, and accessing the target network slice based on the access configuration information of the target network slice, where the network configuration information includes a network ID of each of the plurality of network slices and the access configuration information of the target network slice.

Abstract: A card use system includes a first client configured to send a card use request including card information of a card, and display a payment code including a first resource account number corresponding to the first client; a second client configured to send a payment request to transfer a first quantity of resources from the first resource account number to a second resource account number corresponding to the second client; a card server configured to validate the card according to the card information; and in response to successfully validating the card, send a confirmation indication to the payment server; and a payment server configured to, in response to receiving the confirmation indication from the card server, transfer a second quantity of resources in the first resource account number corresponding to the first client to the second resource account number corresponding to the second client.

Abstract: The present application provides a charging current control method, an electronic device, and a power supply device. The method comprises: in the process of charging a battery, the electronic device determines a target impedance, wherein the target impedance comprises a first impedance and a second impedance, the first impedance is an impedance between an output of the power supply device and an input of a mainboard, the second impedance is an impedance between an output of the mainboard and an input of the battery, and the target impedance is less than a total impedance between the output of the power supply device and the input of the battery; and the electronic device sends indication information to the power supply device, wherein the indication information indicates that the power supply device adjusts an output current of the power supply device according to the target impedance.

Abstract: Disclosed are an ignition powder, a preparation method therefor and a use thereof, and an airbag gas generator, which belong to the technical field of ignition powders. The raw materials of the ignition powder include the following components in percentages by mass: potassium perchlorate. 30%˜50%; basic copper nitrate: 5%˜20%; a fuel: 15%˜60%; a metal oxide: 1%˜25%; and a metal powder: 1%˜25%, wherein the metal powder is at least one of a titanium powder, a magnesium powder, a copper powder, an iron powder, a zirconium powder, a hafnium powder, a tungsten powder or a silicon powder.

Abstract: A method and an apparatus for cloud communication are provided. The method comprises: a client triggers creation of a virtual device performed by a first cloud platform; the client configures registration information for the virtual device, wherein the registration information is used for registration of the virtual device with a second cloud platform; and the client communicates with the second cloud platform or the first cloud platform by means of the virtual device on the first cloud platform.

Abstract: A method for pushing information based on a user emotion including recordings of behavior habits of the user based on a number of predefined emotions within a predefined time period can be implemented in the disclosed electronic device. Based on each predefined emotion, a proportion of each behavior habit of the user is determined at the predetermined time intervals. The device determines information to be pushed according to a current user emotion and the proportions of the behavior habits of the user corresponding to the current user emotion, and the electronic device is controlled to push the determined information.