Abstract: The present invention provides a multifunctional acoustic device includes a cover enclosing an accommodating cavity and an acoustic member. The cover has a sound hole. The acoustic member includes a housing, a vibration system having a diaphragm, and a magnetic circuit system driving the diaphragm. The diaphragm divides a space of the housing into a front acoustic cavity and a rear acoustic cavity. The multifunctional acoustic device includes a sound channel communicating the sound hole with the front acoustic cavity and a sealing element located between the sound hole and the sound channel. The sealing element is arranged on a peripheral side of the sound channel so that the acoustic member communicates with an outside only through the sound channel.

Abstract: Disclosed is a multifunctional sounding device which combines functions of emitting sounds and providing vibrations and includes a speaker unit including a vibration assembly including a first ring and a diaphragm vibrating along a first direction and a magnetic assembly including a main magnet and an auxiliary magnet; an elastic member suspending the speaker unit; a second ring surrounding the first ring; a flexible sealing membrane connected between the two rings; and a driving coil driving the speaker unit for vibrating in a second direction. The two directions are perpendicular. The driving coil includes two sides respectively facing the main magnet and the auxiliary magnet in the first direction. The diaphragm, the first ring, the flexible sealing membrane and the second ring are integrally formed, thereby ensuring concentricity of them four and avoiding glue width requirements so as to release spaces.

Abstract: The present invention provides a speaker box including a housing body with a containment space and a sounding unit. The housing body includes a sound aperture. The sounding unit includes a vibration system with a vibration diaphragm and a magnetic circuit system. The vibration diaphragm divides the containment space into front cavity and rear cavity. The speaker box includes a breathable separator located in the rear cavity to form a sound absorbing cavity. The lower housing includes a bottom wall and a side wall bent and extended from the bottom wall. The breathable separator includes a fixed part fixed to the upper housing, a breathable part having several air circulation holes, and a sealed part extending from the breathable part and sealing the through hole. The speaker box of the present invention effectively reduces the height of the product and reduces the cost.

Abstract: The present disclosure discloses a sounding device including a frame, a vibration system, and a magnetic circuit system. The vibration system includes a diaphragm, and a voice coil. The magnetic circuit system includes a yoke, a magnet assembly, and a magnetic gap. The yoke includes a bottom wall, a side wall in an annular shape extending from an edge of the bottom wall toward the diaphragm, and a flange extending from an end of the side wall close to the diaphragm toward the frame. An end of the flange away from the side wall is fixed to the frame. Compared with the related art, the sounding device disclosed by the present disclosure has a better reliability.

Abstract: The present application discloses a CT system and a detection apparatus for the CT system. The detection apparatus includes: a high-energy detector assembly including a plurality of rows of high-energy detectors arranged along a predetermined trajectory; a low-energy detector assembly including a plurality of rows of low-energy detectors arranged at intervals along the predetermined trajectory, the low-energy detector assembly and the high-energy detector assembly being disposed in a stack; a number of rows of the low-energy detectors is smaller than a number or rows of the high-energy detectors; and each row of the low-energy detectors covers a row of high-energy detectors.

Abstract: The present disclosure describes programming marking methods. Various examples include: displaying device controls for at least two operating devices associated with a target task to be executed, where the display configures programming logic of the device controls for the operating devices; determining a respective device group to which each of the operating devices belongs; configuring a group tag for the operating device used for marking the device group; and displaying on a second interface a programming flowchart used when the operating devices execute the target task. The programming flowchart includes at least two function blocks. Each of the function blocks is controlled by one operating device to perform one processing action. Each of the function blocks is marked with a group tag matching the operating device. The second interface configures the function blocks and the execution logic between the function blocks.

Abstract: Provided is a speaker, including: a connector and a magnetic circuit unit and a vibration system that are fixed to the connector. The vibration system includes a first diaphragm fixed to the connector and a voice coil driving the first diaphragm to vibrate and sound. The magnetic circuit unit includes a magnet assembly providing driving force to the voice coil and a mounting member fixing the magnet assembly. A bending portion is formed by bending from an edge of the mounting member toward the first diaphragm, and the bending portion is fixedly connected to the connector. With this structure, the first diaphragm is fixedly connected to the mounting member, so as to strengthen the overall strength of the speaker and prevent the deformation of the speaker in its vibrating direction, thereby improving the quality of the speaker.

Abstract: A drilling machine tool with a cooling liquid purifying and recycling mechanism. The drilling machine tool comprises a platform in which a blanking hole is formed, wherein air cylinders are fixedly mounted at the top of a transverse plate located above the platform, a lifting plate is mounted after the output shaft ends of the air cylinders penetrate through the transverse plate, an isolation cylinder is arranged below the lifting plate, an opening is formed in the bottom of the isolation cylinder, the bottom end of the vertical shaft slidably penetrates through the isolation cylinder and is fixedly provided with a drill bit, the isolation cylinder is connected with the lifting plate through pressing mechanisms, and a cooling liquid conveying mechanism communicating with the interior of the isolation cylinder is arranged on the platform; and a cooling liquid purifying and recycling mechanism is arranged at the bottom of the platform.

Abstract: A target region is first extracted from a to-be-recognized image, and then a defect coarse-selection region including an industrial defect is obtained from the target region. Through two times of region extraction, a proportion of a size of the industrial defect to a size of a background is increased, so that a probability of detecting a small-sized industrial defect can be increased. After the defect coarse-selection region including the industrial defect is detected, localization and size estimation are further performed on the industrial defect in the defect coarse-selection region.

Abstract: A bidirectional optical flow estimation method and apparatus are provided. The method includes acquiring a target image pair of which optical flow is to be estimated, and constructing an image pyramid for each target image in the target image pair respectively, and performing bidirectional optical flow estimation using a pre-trained optical flow estimation model based on the image pyramid, to obtain bidirectional optical flow between the target images. An optical flow estimation module in the optical flow estimation model is recursively called to perform the bidirectional optical flow estimation sequentially based on images of respective layers in the image pyramid according to a preset order, forward warping towards middle processing is performed on an image of a corresponding layer of the image pyramid before each call of the optical flow estimation module, and an image of an intermediate frame obtained by the forward warping towards middle processing is inputted into the optical flow estimation module.

Abstract: Various embodiments include a graphical programming method comprising: in a first interface, displaying a programming flowchart matching a target task, with at least two function blocks, and using the first interface to configure the function blocks and an execution logic between the function blocks; determining a first and a second function block from the programming flowchart, wherein the first function block is used for obtaining two pieces of information to be processed, and the second function block is used for obtaining information processing results corresponding to the first information; and configuring a control between the first function block and the second function block, used for determining a current information processing result according to the first information currently detected from the first function block and transmitting the current processing result to the second function block.

Abstract: A battery cell includes an electrode assembly, an outer surface of the electrode assembly includes a first surface, a first side surface, a second surface, and a second side surface, a first end surface and a second end surface. The battery cell further includes: a first adhesive film adhered to the first side surface and extending from the first side surface to the first surface and/or the second surface; and a first adhesive layer adhered to the first surface and extending from the first surface to the second surface through the first end surface, where in a width direction of the electrode assembly, there is a first overlapping portion between the first adhesive film and the first adhesive layer on the first surface and/or the second surface. This application further provides a battery including the battery cell and an electric device.

Abstract: The present application relates to a deflection electrode assembly, an X-ray source, and an X-ray imaging system. The deflection electrode assembly includes: a first electrode plate, including a first connection portion and a plurality of first tooth portions, wherein the first electrode plate is formed as a comb shape; and a second electrode plate, including a second connection portion and a plurality of second tooth portions, wherein the second electrode plate is formed as a comb shape. The first electrode plate and the second electrode plate are not in contact with each other, and the plurality of first tooth portions and the plurality of second tooth portions are arranged at least partially in a staggered manner to form a plurality of electron beam passageways; each electron beam passageway is located between adjacent first and second tooth portions.

Abstract: This disclosure provides a method and apparatus for a single pair Ethernet (SPE) wire-to-board connector. The SPE connector may include a female connector portion and a male connector portion. The female connector portion may include a first electrical contact having a first contact tine and a first receiving portion, a second electrical contact having a second contact tine and a second receiving portion. The male connector portion includes a third electrical contact comprising a first insulation displacement contact (IDC) portion and a third contact tine, a fourth electrical contact comprising a second DC portion and a fourth male portion, and a second inner housing having a first wire retention groove, a second wire retention groove, and an opening structured to allow an SPE cable to extend therethrough.

Abstract: Disclosed is a nitrogen-containing heterocyclic compound, a preparation method therefor and use thereof. The present disclosure provides a nitrogen-containing heterocyclic compound of formula I, a pharmaceutically acceptable salt thereof, a stereoisomer thereof, a tautomer thereof or an isotopically labeled compound thereof, and the nitrogen-containing heterocyclic compound is expected to treat and/or prevent various RAS-related diseases.

Abstract: Various embodiments include a method for automatic programming. The method may include: receiving a user's request to create a first global parameter of a specific type by detecting the user's dragging a control corresponding to the specific type from a first user interface and dropping the control on a second user interface; displaying a first popup window for editing the first global parameter on the second user interface; receiving the user's editing operations on the first global parameter in the first popup window; creating the first global parameter according to the user's editing operations; and displaying a new added first card of the first global parameter in a list of global parameters on a third user interface.

Abstract: A method and apparatus for implementing a virtual performance partner are provided. The method includes collecting audio frame data performed by a performer; and for each piece of current audio frame data collected, performing: converting the piece of current audio frame data collected into a current digital score, matching the current digital score with a range of digital scores in a repertoire, and determining a matching digital score in the range of digital scores that matches the current digital score; positioning a position of the matching digital score in the repertoire, and determining a start time of playing a cooperation part of music in a next bar of the matching digital score in the repertoire for a performance partner.

Abstract: The present disclosure provides speaker device. The speaker device includes frame, vibration unit and magnetic circuit unit, where vibration unit includes diaphragm, voice coil and holder; holder includes holder body and first connecting portion; voice coil includes pair of first sides and pair of second sides; first side is provided with elastic support member fixed to frame and fixed to first connecting portion; elastic support member and first side enclose an accommodating space; magnetic circuit unit includes main magnetic body and an auxiliary magnetic body; auxiliary magnetic body includes first magnetic portion that is respectively spaced apart from first side and located in accommodating space; elastic support member include an auxiliary diaphragm; auxiliary diaphragm is provided with an avoiding groove. The present disclosure can increase volume of magnetic circuit unit to increase BL value, and can effectively reduce weight of vibration unit to improve sensitivity.

Abstract: A secondary battery, including an electrode assembly and a housing accommodating the electrode assembly. The electrode assembly includes a first electrode plate, a second electrode plate, and a separator disposed there between. The first electrode plate and the second electrode plate are wound to form the electrode assembly. A tab is disposed in the first electrode plate and protrudes from the housing; and an adhesive layer is disposed in the tab. The adhesive layer includes a first portion sandwiched between a package area of the housing and a second portion extending from the first portion along a length direction of the tab. In a width direction of the tab, the first portion has a width greater than that of the second portion. In the length direction of the tab, the second portion protrudes into a space enclosed by an innermost layer of the separator.