Abstract: A circuit board assembly with a fully embedded photosensitive chip which does not require an increase in board width for the re-routing of wires around the photosensitive chip includes a circuit board and a reinforced plate at a lower elevation which is connected to the circuit board. The circuit board defines a through hole and a plurality of conductive lines. The conductive lines or the portion of them which are cut off by the location of the through hole accommodating the chip are repeated by connecting lines carried on the reinforced plate, the plurality of connecting lines connects to and continues the conductive lines which are cut off by the hole.

Abstract: A switch module with an automatic switching function and a method for automatically switching the switch module according to the load, wherein a first comparator and a second comparator are configured to automatically determine whether the load is light or heavy according to the voltage divided by a first resistor and a second resistor and the voltage of a source resistor, thereby generating a voltage control signal. A plurality of transistors are configured to receive a gate input signal according to the voltage control signal, thereby selectively bringing a GaN transistor or a MOSFET transistor in a conducting state. In this way, the output quality and efficiency of the power supply at light and heavy loads can be improved according to the characteristics of different transistors.

Abstract: The embodiments of the present disclosure provide a detection method, apparatus for automatic driving sensor, and electronic device. The method includes: pre-establishing a standard association relationship, the sensor to-be-detected is used for capturing in a fixed scene, and a corresponding capturing result is displayed.

Abstract: An electrochromic composition including: a first oxidizable compound; a reducible compound; an electrolyte; and a solvent, wherein the first oxidizable compound is represented by the following formula: wherein X1, and X2 are independently substituted or unsubstituted aliphatic hydrocarbon groups, or substituted or unsubstituted aromatic hydrocarbon groups, wherein the aromatic hydrocarbon groups include: wherein each Rx is independently hydrogen, a C1-C16 alkyl group, a C1-C16 alkoxy group, a C1-C16 haloalkyl group, or halogen.

Abstract: An elastic physiological patch includes a patch assembly and an implant assembly. The patch assembly includes an electronic device, and a soft patch body defining a chamber for receiving the electronic device. The implant assembly is mountable to the electronic device and includes an implant which is capable of being driven to partially pass through the patch body and which is adapted to be implanted in the skin of a subject. The implant and the patch body cooperatively seal the chamber.

Abstract: Disclosed are an arc discharge detection method and device for a battery system, and a battery energy storage system. The arc discharge detection method for a battery system comprises: sampling a terminal voltage and a charging and discharging current of a battery system, sampling the terminal voltage of the battery system twice and calculating a first voltage difference value, and sampling the terminal voltage of the battery system and a terminal voltage of an electricity load and calculating a second voltage difference value; performing time domain and frequency domain analysis on the sampled data to obtain corresponding time domain and frequency domain feature values; and on the basis of the time domain and frequency domain feature values and the first and second voltage difference values, determining whether arc discharge features are met, so as to determine whether an arc discharge fault occurs in the battery system.

Abstract: An information converting method and a system thereof are configured to convert a first information into a second information. An information obtaining step is performed to obtain the first information corresponding to a first communication protocol and transmit the first information to a converter. The first information includes a first access layer sub-information and an upper-layer protocol sub-information. A first access layer removing step is performed to drive the converter to remove the first access layer sub-information from the first information according to a converting process. A second access layer adding step is performed to drive the converter to add a second access layer sub-information corresponding to a second communication protocol to the first information and combine the second access layer sub-information with the upper-layer protocol sub-information according to the converting process, so that the first information is converted into the second information.

Abstract: A cleaning robot includes a housing, a dust box and a dust extraction duct. The housing is enclosed to form a mounting chamber and is provided with a dust outlet. The dust box is arranged in the mounting chamber and configured to collect dust, and the dust box is provided with a dust collection port and a dust extraction port. The dust collection port and the dust extraction port are respectively disposed on two sides of a centerline of the dust box. One end of the dust extraction duct communicates with the dust extraction port, and the other end of the dust extraction duct is connected to the dust outlet of the housing.

Abstract: A portable electronic device including a first body, a second body, and a hinge mechanism is provided. The second body is connected to the first body through the hinge mechanism, and the hinge mechanism has a basis axis located at the first body and a rotation axis located at a lower end of the second body. When the second body rotates with respect to the first body, the rotation axis slides along an arc shaped path with respect to the basis axis to increase or decrease a distance between the rotation axis and the basis axis and increase or decrease a distance between the lower end of the second body and a back end of the first body.

Abstract: A simple and integrated imaging device for housing motor-switchable and laterally-moving filters between a camera-lens holder and an imaging chip comprises the switchable filters in a cavity and a switching mechanism, and a driving mechanism are also in the cavity. The imaging chip is carried by a flexible printed circuit board. The driving mechanism connected to the switching mechanism drives the switching mechanism to slide back and forth underneath the camera-lens holder, so that either the first or the second switchable filter covers a through hole allowing light to fall on the imaging chip. An electronic device including the imaging device is also disclosed.

Abstract: A camera module includes a circuit board, a lens assembly, and a first board. The circuit board includes a first surface, a second surface opposite to the first surface, a first sidewall, and a second sidewall opposite to the first sidewall. Each of the first sidewall and the second sidewall connects the first surface to the second surface. The lens assembly is disposed on the first surface. The first board is connected to the first sidewall. The first board is inclined or perpendicular to the first surface. The first board is disposed on a side of the lens assembly.

Abstract: A low-oxygen heating-type cigarette assembly, comprising a low-oxygen heating-type smoking set (B) and a low-oxygen heating-type cigarette (A). The low-oxygen heating-type smoking set (B) comprises a heating section (4) and a smoke extracting member (2) detachably arranged with the heating section (4), wherein the heating section (4) is provided with a cigarette receiving chamber (4-1), and the smoke extracting member (2) comprises a hollow smoke extracting cone (2-1) and a smoke transmission tube (2-2).

Abstract: Provided are method and system of calculating cross-section area and included angle of three-dimensional blood vessel branch, comprising: obtaining the contours of a main blood vessel and a branch blood vessel; determining connecting points of the main blood vessel and the branch blood vessel, a three-dimensional branch outer contour, and an initial normal vector of a branch section; determining the position of the branch section at the branch connecting part and an intersecting cross-section of the branch section and the branch outer contour; rotating the three-dimensional branch cross-section contour to obtain an equivalent two-dimensional branch cross-section contour, and calculating the area of the two-dimensional branch cross-section contour; obtaining branch cross-section areas and corresponding normal vectors thereof; and taking the minimum branch cross-section area as the cross-section area of this segment of branch blood vessel, and determining the included angle between the branch blood vessel and t

Abstract: A quenching fixture adapted to clamp at least one workpiece is provided. The quenching fixture includes a first positioning component and a second positioning component. Both of the first positioning component and the second positioning component have a positioning surface, multiple protrusions protruding from the positioning surface and a heat dissipation channel disposed between the protrusions in a staggered manner. The positioning surface of the first positioning component faces the positioning surface of the second positioning component, and the protrusions of the first positioning component overlap the protrusions of the second positioning component. The workpiece is clamped between the protrusions of the first positioning component and the protrusions of the second positioning component.

Abstract: A lens protection structure comprising a main body configured for defining a receiving space by being attached to a lens module, the receiving space is configured for receiving a lens of the lens module, the main body is arranged with an air escape structure for communicating the receiving space and external environment, the air escape structure comprises: an air flow channel, a diversion connected in the air flow channel for diverting the airflow therethrough, and a retention connecting to the diversion for harvesting impurities and dust carried in air flow through the air escape structure. Therefore, the lens protection structure prevents the lens from being damaged in processing and transporting while provides communication between the receiving space and the external environment.

Abstract: An intelligent stable power supply system includes a first power input module, a first non-return valve module, an active pulse wave generation unit, a DC power processing unit, and a control unit. When the control unit determines that a first voltage value is less than a first predetermined value or greater than a second predetermined value, and a second voltage value is between the first predetermined value and the second predetermined value, the control unit firstly controls the first non-return valve module being from an on state to an off state, and then controls the second non-return valve module being from an off state to an on state so that a power signal of the second power input module flows into the active pulse wave generation unit and the DC power processing unit to output a DC power signal.

Abstract: A zoom lens assembly for periscope use which is effectively soundless in operation includes a lens barrel defined with a through hole, a plurality of optical lenses disposed within the through hole, and a focusing member disposed between any two of the plurality of optical lenses. The focusing member in a camera module includes a bottom plate, a cover plate, a piezoelectric element, and a variable transparent body. The variable transparent body is between the bottom plate and the cover plate, the piezoelectric element is disposed on a surface of the cover plate that faces away from the variable transparent body. Electricity fed to the piezoelectric element causes movement of the element which deforms the variable transparent body and changes the focal length of the camera module.

Abstract: A packaging structure with a magnetocaloric material, comprising a substrate, a plurality of electrical connection structures, a die, and a sealing compound. A magnetocaloric material is added to the substrate. The die is electrically connected to the substrate through the electrical connection structures, and then encapsulated with the sealing compound. When the packaging structure is turned on, the magnetocaloric material in the substrate creates a magnetocaloric effect, which can not only take away the temperature of the packaging structure through magnetic refrigeration, but also increase the temperature difference between the packaging structure and the outside, thereby improving the efficiency of heat dissipation.

Abstract: An electromagnetic interference regulator by use of capacitive parameters of the field-effect transistor for detecting the induced voltage and the induced current of the field-effect transistor to determine whether the operating frequency of the field-effect transistor is within the preset special management frequency of electromagnetic interference. When the basic frequency and the multiplied frequency exceed the limit, the content of the external capacitor unit can be adjusted to assist the products using field-effect transistors to maintain excellent electromagnetic interference adjustment capabilities under various loads, thereby optimizing the characteristics of electromagnetic interference.

Abstract: A camera module includes a circuit board, a photosensitive chip, a filter, a l holder, and a lens assembly. A receiving groove is recessed from a surface of the circuit board. The photosensitive chip is received in the receiving groove. The holder is mounted on the surface of the circuit board and covers the photosensitive chip. The filter is mounted in the holder and spaced from the photosensitive chip. The lens assembly is mounted on the holder and located at a side of the filter facing away from the photosensitive chip. A dustproof layer is laid on the surface of the circuit board facing the filter and surrounds the photosensitive chip. An electronic device having the camera module is also provided.