Abstract: An antenna structure includes a substrate, a radiator mounted at an upper portion of a front surface of the substrate, and a grounding element mounted at a lower portion of the front surface of the substrate. The radiator has a first radiating portion. A lower edge of the first radiating portion extends downward to form a second radiating portion. Two portions of a middle of the lower edge of the first radiating portion extend downward to form a third radiating portion and a feeding portion. A free end of the feeding portion is a feeding end. One side edge of the first radiating portion is recessed inward to form a recess. The grounding element has a first grounding portion and a second grounding portion. The first grounding portion and the second grounding portion are located to two sides of the feeding portion, respectively.

Abstract: The present application provides a synchronous rectification circuit, which adopts a multiplexer that selectively inputs a first reference signal or a second reference signal to a comparator by coupling the first and second reference signal. A comparing signal is generated to a switch element by comparing a switch input signal. Hereby, the switch element is under control for synchronous rectification.

Abstract: An antenna structure includes a substrate, a radiator mounted at one end of a front surface of the substrate, and a grounding element mounted at the other end of the front surface of the substrate. The radiator has a first radiating portion. Two portions of a middle of one end edge of the first radiating portion extend horizontally to form a second radiating portion and a feeding portion. The feeding portion is located above the second radiating portion. A free end of the feeding portion is a feeding end. An upper portion of the other end edge of the first radiating portion extends opposite to the one end edge of the first radiating portion and extends along a rectangular spiral path to form a rectangular spiral third radiating portion.

Abstract: A method for fabricating semiconductor device includes the steps of first providing a first substrate having a high-voltage (HV) region and a medium voltage (MV) region and a second substrate having a low-voltage (LV) region and a static random access memory (SRAM) region, in which the HV region includes a HV device, the MV region includes a MV device, the LV region includes a fin field-effect transistor (FinFET), and the SRAM region includes a SRAM device. Next, a bonding process is conducted by using hybrid bonding, through-silicon interposer (TSI) or redistribution layer (RDL) for bonding the first substrate and the second substrate.

Abstract: Systems and techniques for determining an idle timeout for a cloud computing session are described. An example technique includes determining a first one or more attributes associated with a user of the cloud computing session and determining a second one or more attributes associated with an operation of the cloud computing session. An idle timeout for the cloud computing session is determined, based at least in part on the first one or more attributes and the second one or more attributes. User activity is monitored during the cloud computing session. Upon determining, based on the monitoring, an absence of the activity of the user within a duration of the idle timeout, the cloud computing session is terminated.

Abstract: A removable rotatable driven agitator is used in a surface cleaning head and is driven by a drive mechanism that axially engages a driven end of the agitator. The removable rotatable driven agitator may be located in an openable agitator chamber for purposes of removing debris and/or removing the agitator. The openable agitator chamber may be covered by an external cover that is movable between an open position and a closed position. The removable agitator may be secured in the agitator chamber by the external cover. The removable rotatable agitator may have an end cap mounted on a rotatable bushing at a non-driven end and may have a splined driven member at the driven end to engage a splined drive member on the drive mechanism.

Abstract: Devices, systems and methods for constructing low-complexity non-adjacent merge candidates are described. In a representative aspect, a method for video processing includes receiving a current block of video data, selecting, based on a rule, a first non-adjacent block that is not adjacent to the current block, constructing a first merge candidate comprising motion information based on the first non-adjacent block, identifying a second non-adjacent block that is not adjacent to the current block and different from the first non-adjacent block, based on determining that the second non-adjacent block fails to satisfy the rule, refraining adding a second merge candidate derived from the second non-adjacent block, constructing a merge candidate list based on the first non-adjacent block, and decoding the current block based on the merge candidate list.

Abstract: Devices, systems and methods for adaptive loop filtering are described. In an exemplary aspect, a method for video processing includes performing, for a current video block of a video, a filtering process that uses filter coefficients and comprises two or more operations with at least one intermediate result, applying a clipping operation to the at least one intermediate result, and performing, based on the at least one intermediate result, a conversion between the current video block and a bitstream representation of the video, wherein the at least one intermediate result is based on a weighted sum of the filter coefficients and differences between a current sample of the current video block and neighboring samples of the current sample.

Abstract: A memory device includes first transistor over a semiconductor substrate, wherein the first transistor includes a first word line extending over the semiconductor substrate; a second transistor over the semiconductor substrate, wherein the second transistor includes a second word line extending over the first word line; a first air gap extending between the first word line and the second word line; a memory film extending along and contacting the first word line and the second word line; a channel layer extending along the memory film; a source line extending along the channel layer, wherein the memory film is between the source line and the word line; a bit line extending along the channel layer, wherein the memory film is between the bit line and the word line; and an isolation region between the source line and the bit line.

Abstract: A breast pump includes a main body and a breast milk suctioning shield. The main body has an accommodation space. The breast milk suctioning shield is assembled in the accommodation space and detachably connected to the main body. A front end of the breast milk suctioning shield has a breast shielding portion, and a nipple passage extends from a rear end of a center portion of the breast shielding portion. One or more deformable members are assembled with an annular connection portion between the breast shielding portion and the nipple passage, and the deformable member is controlled to be inflated or deflated by a first air pump.

Abstract: A method for producing exosomes in a large-scale by using a cyclic tensile bioreactor to stimulate cells to release exosomes. In addition, the exosome having an anti-HLA-G protein specific for cancer is used as a delivery vehicle to deliver therapeutic agents for treating cancer.

Abstract: The present invention relates to novel recombinant Bacillus megaterium cytochrome P450-monooxygenase (P450-BM3) variants for the C19 hydroxylation of steroids and derivatives thereof or for improved BM3 protein expression. In particular, the present invention also relates to methods and processes using P450-BM3 variants for the production of estrone and estradiol.

Abstract: An electronic device is provided. The electronic device includes a light-emitting element, a cover plate and a light-shielding layer. The cover plate is disposed on the light-emitting element. The light-shielding layer is disposed on a side of the cover plate adjacent to the light-emitting element. The light-shielding layer has an icon area, and the light-shielding layer has a plurality of openings in the icon area. In addition, the plurality of openings have an aperture ratio in the icon area, and the aperture ratio is greater than 0% and less than or equal to 20%.

Abstract: A display panel and a display device are provided. The display panel has a touch side and includes an array substrate and an opposite substrate arranged opposite to each other. The array substrate includes an image sensor array including a plurality of image sensors each including a photosensitive element configured to receive light reflected by a texture touched on the touch side for texture acquisition; the opposite substrate includes a light shielding layer including a plurality of first openings arranged in an array, and the plurality of first openings are in one-to-one correspondence with and partially overlap with the photosensitive elements of the plurality of image sensors in a direction perpendicular to a panel surface of the display panel.

Abstract: A method for generating a three-dimensional image includes capturing a set of color images of an object, generating a first point cloud according to at least the set of color images, generating a second point cloud by performing a filtering operation to the first point cloud according to the set of color images, selectively performing a pairing operation using the second point cloud and a target point cloud to generate pose information, and combining the first point cloud and the target point cloud according to the pose information to update the target point cloud to generate the three-dimensional image of the object. The set of color images is related to color information of the object. The relativity of the second point cloud and the rigid surface is higher than the relativity of the second point cloud and the non-rigid surface.

Abstract: An intelligent Forcipomyia taiwana monitoring and management system comprises: a catching mechanism grabbing a to-be-identified target; a database storing a datum comprising pictures of a flying insect category; a model training module using the pictures to establish a training model; an image capture module shooting an image including the target; an identifying module selecting a first segmented region including the target by using YOLO detection framework technology, extracting a first identification feature from the target, and inputting the feature into the training model for deep learning to identify a flying insect category to which the target belongs and produce an identification result; a counting module recording a number of the target into the database; and a predictive tracking module obtaining a marked object based on the result marked with the target identified in the image, and using a Monte-Carlo category algorithm to track and predict the object.

Abstract: A resin composition and a resin film are provided. The resin composition includes a hardener and an epoxy resin monomer. The epoxy resin monomer has a structure represented by Formula (I) wherein A is substituted or unsubstituted C6-24 arylene group, C3-16 cycloalkylene group, C3-16 heteroarylene group, C3-16 alicyclic alkylene group, or divalent C6-25 alkylaryl group; X1 and X2 are independently Y1 and Y2 are independently substituted or unsubstituted C6-24 arylene group, and Y1 is different from Y2; and R1 is hydrogen, C1-8 alkyl group, or C1-8 alkoxy group, wherein the weight ratio of the curing agent to the epoxy resin monomer having a structure represented by Formula (I) is from 1:100 to 1:1.

Abstract: Disclosed is a speech synthesis method including: acquiring fundamental frequency information and acoustic feature information from original speech; generating an impulse train from the fundamental frequency information, and inputting it to a harmonic time-varying filter; inputting the acoustic feature information into a neural network filter estimator to obtain corresponding impulse response information; generating noise signal by a noise generator; determining, by the harmonic time-varying filter, harmonic component information through filtering processing on the impulse train and the impulse response information; determining, by a noise time-varying filter, noise component information based on the impulse response information and the noise; and generating a synthesized speech from the harmonic component information and the noise component information.

Abstract: A user equipment (UE) is described. The UE includes transmitting circuitry configured to send a low-capability indication that indicates reduced capabilities of the UE to a 5G New Radio (NR) network. In some examples, multiple low-capability indications may be sent to indicate capabilities of the UE to the 5G NR network. In other examples, a single low-capability indication may be sent in an attach request. The 5G NR network may request the reduced capabilities of the UE in a capability request update. In yet other examples, a single low-capability indication may be sent in a radio resource control (RRC) establishment cause.

Abstract: A system for business feedback includes a first feedback recipient feedback module, a system operation module, a cash flow module, and a supply module. The feedback recipient feedback module includes an initialization unit for receiving personal data and a recommendation unit connected to the first initialization unit for receiving recommendation data. The system operation module receives feedback information from the recommendation unit and collects cash flow information or gift information which is sent to the cash flow module or the supply module. The system operation module can increase the number of the first feedback recipient feedback module connected thereto based on records of recommendation information. The cash flow module receives the cash flow information and sends feedback money to the user of the first feedback recipient feedback module. The supply module receives the gift information from the system operation module and send gifts to the user.