Abstract: A thermostat includes a display having a metal backing, a printed circuit board having a ground plane, and one or more electrical components mounted to the printed circuit board in a shielded region on the printed circuit board between the ground plane and the metal backing. One or more conductive side shield elements are positioned between the printed circuit board and the display, extending along and defining the shielded region of the printed circuit board. The one or more conductive side shield elements are electrically connected to the ground plane of the printed circuit board and provide a side shield that reduces Electro-Magnetic Interference (EMI) generated by the one or more electrical components situated in the shielded region of the printed circuit board from escaping laterally out from between the ground plane of the printed circuit board and the metal backing of the display.

Abstract: The present invention provides a multi-application scenario-oriented method and system for regulating electric automobile charging loads. In different application scenarios, appropriate electric automobile charging loads are selected for optimized combination and coordinated regulation, so that the system for regulating the electric automobile charging loads can respond quickly and accurately to a power grid dispatching instruction while further ensuring overall economy and safety of the system for regulating the electric automobile charging loads.

Abstract: A handheld power tool main body and a handheld power tool are provided. The power tool main body includes a mounting sleeve, a pliers base rotatably arranged on the mounting sleeve and configured for mounting a working component, a working mechanism movably arranged on the pliers base, a pushing mechanism mounted on the mounting sleeve and extending out of the mounting sleeve to be connected to the working mechanism, and a driving mechanism. The pushing mechanism includes a lead screw and a movable sleeve. The movable sleeve is arranged on the outer side of the lead screw and connected to the working mechanism. The driving mechanism includes a reducer combined with the lead screw, a motor inverted on the side of the mounting sleeve, and a linkage member mounted between the motor and the reducer.

Abstract: Provided are a quantum dot tandem solar cell and a preparation method thereof. The quantum dot tandem solar cell includes a front cell, a transparent conductive middle layer, a rear cell, and a counter electrode. The front cell includes a conductive substrate, a first oxide semiconductor film, and a first semiconductor quantum dot film. The transparent conductive middle layer is an indium tin oxide (ITO) film. The rear cell includes a second oxide semiconductor film and a second semiconductor quantum dot film. The counter electrode is a metal electrode.

Abstract: A plurality of fraud features is determined for a plurality of merchants. A weight matrix is trained for the fraud features. The fraud features are transformed via the weight matrix. An unsupervised machine learning is applied to the transformed fraud features. Based on the unsupervised machine learning, a plurality of tags is generated that correspond to different types of transaction fraud. The merchants are clustered into different merchant groups based on the tags. For each of the merchant groups, a respective decision tree model is trained. Transactions associated with each of the merchant groups are processed using the decision tree model trained for said merchant group.

Abstract: A residual-water-stain recovery method is provided, including: when a robot completes a surface scrubbing operation, obtaining an operation path of the robot; based on the operation path, generating a residual-water-stain recovery path; and controlling the robot to move on the residual-water-stain recovery path to recover residual water stains.

Abstract: A flame-retardant box for a power battery, the flame-retardant box comprises a box body and a box cover which are made of fireproof material layers; a positioning structure for fixing the fireproof material layers is arranged outside the box body; at least one accommodating slot for accommodating a battery is formed in the box body along the horizontal direction; the box cover and the accommodating slot are matched to form an independent flame-retardant chamber for preventing air convection; and a wire passing hole is formed in the side wall of the box body. The present invention aims to provide the flame-retardant box for the power battery, which has a compact structure, is high-temperature-resistant and has a good use effect; and is used for power battery flame retardance.

Abstract: Embodiments of this application provide a lens carrying device, a camera module, and an electronic device. The lens carrying device includes a base, a rotating support, a swinging support, a first flexible printed circuit board, and a second flexible printed circuit board. The base includes a first accommodation portion and a circuit board. The circuit board is located in the first accommodation portion. The rotating support is disposed in the first accommodation portion. The rotating support may be rotatably connected to the base. The rotating support rotates relative to the base around a first axis. The rotating support includes a second accommodation portion. The swinging support is disposed in the second accommodation portion. The swinging support may be rotatably connected to the rotating support. The swinging support rotates relative to the rotating support around a second axis. The swinging support includes a third accommodation portion.

Abstract: A preparation method and an application for a ferroelectric liquid crystal material grating at room temperature based on femtosecond laser direct writing are provided. The first substrate and second substrate are cleaned by ultrasound, and cleaned by ozone after dried; spacers are applied to edges of cleaned first substrate and second substrate, and two substrates are bonded in a staggered manner and formed a liquid crystal cell after cured; a ferroelectric liquid crystal material is injected into the liquid crystal cell to form a liquid crystal layer; patterns are directly written on the liquid crystal layer by a femtosecond laser direct writing device to control a molecular orientation direction of the liquid crystal layer, the ferroelectric liquid crystal material grating is obtained. The patterns directly written on the liquid crystal layer include any one of strip patterns, radial line patterns and circular ring patterns.

Abstract: An electrically driven control system for a rotatable upright blast door comprises: a blast door including a door body; an opening and closing device of electric cylinder of rotatable upright door body including a drive motor module and a push rod power-connected to the drive motor module, and the opening and closing device of electric cylinder of rotatable upright door body is hinged relative to the mounting base, and the push rod is hinged to the door body.

Abstract: A method may include receiving a login request including a user identifier; accessing a role in a user account associated with the user identifier; presenting a user interface, the user interface including: a service receiver input element presenting a selected service receiver; a service identifier input element presenting a selected service identifier; a graph presentation area; and graph visualization options based on the role in the user account; executing a knowledge graph database query to a knowledge graph database using a combination of the selected service receiver and the selected service identifier; and generating, in the graph presentation area an interactive graph based on tuple results of the knowledge graph database query, the interactive graph including: representations of entities in the tuple results including the selected service receiver and the selected service identifier; and links connecting the representations of entities.

Abstract: Aa switching power supply is provided. The switching power supply may include: a protocol circuit disposed on a secondary side of the switching power supply and configured to detect a power supply demand of a load device connected to the protocol circuit; a synchronous rectifier circuit disposed on the secondary side of the switching power supply and configured to control a rectifier power tube; and a signal transmission circuit disposed between the protocol circuit and the synchronous rectifier circuit and configured to transmit a signal between the protocol circuit and the synchronous rectifier circuit.

Abstract: The disclosed technology addresses the need in the art for to facilitate user accounts participating in live audio-video sessions such as voice and/or video calls, or watching game play remotely to capture a clip of the video call or game play after seeing some event during the live audio-video session. The present technology can maintain a rolling buffer of the audio-video streams such that a user account can retroactively capture a clip of the audio-video streams after it has already been presented.

Abstract: Systems, apparatuses, methods, and computer program products are disclosed for estimating a crypto-agility score of a network of computing assets. An example method includes receiving a network graph and a set of expert-determined importance weights and selecting a first network node from a set of network nodes. The example method further includes computing an upgrade cost for the first network node based on a set of dependency network nodes and applying an expert-determined importance weight to the upgrade cost for the first network node to determine a weighted upgrade cost for the first network node. The example method further includes adding the weighted upgrade cost for the first network node to a set of weighted upgrade costs and summing, by the graph circuitry, each weighted upgrade cost from the set of weighted full upgrade costs to determine the crypto-agility score for the network of computer assets.

Abstract: An environmentally friendly and healthy mattress, includes from top to bottom a fabric layer, a comfort layer, a spacer layer, a mattress body, and a base cloth. The comfort layer includes a fiber rebound layer made from flame-retardant fibers. The mattress body includes a plurality of individually pocketed springs. Pockets of the plurality of individually pocketed springs are made from flame-retardant fibers, and adjacent pockets are connected through hot-melt adhesive. Compared to traditional spongy matrix layer and the latex layer in the prior art, the comfort layer including the fiber rebound layer demonstrates more advantages in aging resistance, flame retardancy, breathability, comfort, and longer service life, and also overcomes the defects including bacterial proliferation caused by aging and moisture absorption of sponge and latex, as well as difficulty of recycling.

Abstract: A camera pixel calibration apparatus and a winding device are provided. The camera pixel calibration apparatus includes: a camera, where the camera has a shooting lens; and a reference assembly, where the reference assembly is disposed between the shooting lens and a coating material. The reference assembly includes a bracket and a calibration plate, the bracket is provided with a camera viewing window, and the calibration plate is disposed on a surface of the bracket close to the shooting lens.

Abstract: Implementations for performing workload-aware space reclamation are provided. One example includes a computing system comprising: processing circuitry and memory storing instructions that, during execution, causes the processing circuitry to: track extent usage characteristics for each of a plurality of extents storing data for a graph database; and perform memory reclamation to reclaim storage areas corresponding to invalid data, wherein performing the memory reclamation comprises: generating a list of extents to be reclaimed based on the tracked extent usage characteristics; and reclaiming memory space on the plurality of extents in order based on the list of extents.

Abstract: Provided are an N-phenylimine derivative and a preparation method and use thereof. Provided is an N-phenylimine derivative, being selected from the group consisting of: a 1,2,4-oxadiazole-N-phenylimine derivative represented by formula 1, a 1,3,4-oxadiazole-N-phenylimine derivative represented by formula 2, an N-phenylimine amide (ester) derivative represented by formula 3, and an N-phenylimine benzoate derivative represented by formula 4.

Abstract: Provided are a system and method for nutritional analysis of straw feed based on image recognition.