Abstract: A motor forward and reverse rotation detector and a motor driver having the motor forward and reverse rotation detector are provided. A rotor position detecting circuit detects a position of a rotor of a motor to output a commutation signal. A forward and reverse rotation detecting circuit detects a back electromotive force of the motor to output a back electromotive force detected signal. The forward and reverse rotation detecting circuit, according to a phase relationship and a phase difference between the back electromotive force detected signal and the commutation signal, determines which one of a forward direction and a reverse direction is a rotational direction of the motor to output a rotational direction detected signal. A motor driving circuit drives the motor according to the rotational direction detected signal.

Abstract: Disclosed a CLY series compound, a preparation method therefor and the use thereof in the preparation of drugs. The CLY series compound can significantly prolong the survival time of acute GVHD mice, and can reduce clinical symptoms, exhibiting a therapeutic effect on acute GVHD; in a pulmonary fibrosis mouse model, same can obviously reduce the levels of MMP-2 and MMP-9 in the lung tissue, increase the levels of TIMP-1 and VEGF, and simultaneously increase the levels of SOD and CAT enzymes in peripheral blood; and same can also improve the arthritis symptoms of rheumatoid arthritis mice by means of reducing the level of IL-17 in peripheral blood and increasing inflammatory indexes such as IL-10. The compound can be used alone or in combination with other drugs, and provides a new drug choice for the treatment of the above diseases.

Abstract: The present disclosure relates to the field of battery technology. A battery cell with directional pressure relief and a battery module are provided. The battery cell with directional pressure relief includes a housing and a cover plate, and the cover plate is buckled on the housing. The cover plate is provided with an explosion-proof valve, the explosion-proof valve includes an arc notch and a connecting portion, the arc notch and the connecting portion are connected end-to-end to enclose and define a circular structure, and the circular structure separates the cover plate into a circular part and an annular part. When a thermal runaway occurs, the explosion-proof valve is flushed open, the arc notch is fractured, and the circular part is turned around the connecting portion.

Abstract: A current collecting plate and a battery are provided in the present application, where the current collecting plate is applied to a battery including a battery cell and a housing, the current collecting plate includes a plate body and a buffer part, and at least two buffer parts are provided, each of the buffer parts is bent to form an abutment part, the abutment part is protruded from a side of the plate body away from the battery cell, the abutment part abuts against the housing, and one end of either of two adjacent ones of the buffer parts is connected through a weak part, and another end of the buffer part away from the weak part is connected with the plate body.

Abstract: A battery is provided. The battery includes a housing, a jellyroll, a first current collector plate, a second current collector plate, an output terminal, and a cover board. A top wall of the housing is provided with a through hole, and a bottom of the housing is provided with an open end. A first tab and a second tab are provided on ends of the jellyroll respectively in an axial direction of the jellyroll. The first tab is connected to the first current collector plate, and the second tab is connected to the housing via the second current collector plate. The output terminal is sealed in the through hole and connected to the first current collector plate. The cover board is sealed and insulated at the open end of the bottom of the housing.

Abstract: A motor driver, a control method of the motor driver, and a motor driving system are provided. The motor driver includes a rotation information pin, an analog detecting circuit and a mode switching circuit. The rotation information pin is configured to receive a reference signal. The analog detecting circuit and the mode switching circuit are respectively and electrically connected to the rotation information pin and the analog detecting circuit. The analog detecting circuit determines whether the reference signal is an analog signal, and the motor driver is maintained in a master mode when the reference signal does not belong to the analog signal. The mode switching circuit determines whether the reference signal is a noise when the reference signal is the analog signal. The mode switching circuit switches the motor driver from the master mode to a slave mode when the reference signal is not the noise.

Abstract: This application relates to systems and methods for auditing registers. In some examples, a system comprises registers, a recycling device, handheld computing devices, and retailer computing devices. The retailer computing devices may be configured to store a decision model, receive a calculated monetary position and activity data for one of the registers, generate a first associate record based at least on the decision model and one or more of the calculated monetary position and the activity data, generate a second associate record based at least on the decision model and historical behavioral data for one or more associates, generate a first audit alert record based at least on the second associate record and the decision model, send audit alerts to the handheld computing devices, and send the first audit alert record to the database.

Abstract: Systems and methods are provided for trapping and electrically monitoring molecules in a nanopore sensor. The nanopore sensor comprises a support structure with a first and a second fluidic chamber, at least one nanopore fluidically connected to the two chambers, and a protein shuttle. The protein shuttle comprises an electrically charged protein molecule, such as Avidin. The nanopore can be a Clytosolin A. A method can comprise applying a voltage across the nanopores to draw protein shuttles towards the nanopores. The ionic current through each or all of the nanopores can be concurrently measured. Based on the measured ionic current, blockage events can be detected. Each blockage event indicates a capture of a protein shuttle by at least one nanopore. Each blockage event can be detected through a change of the total ionic current flow or a change in the ionic current flow for a particular nanopore.

Abstract: A multi-mover direct drive transmission system, including: stator unit formed by stator segments and includes frame and coil windings; mover units movable relative to the stator unit and each includes mover slidably connected to the stator unit and movable relative to the frame, and magnet fixed to the mover; and actuators. The magnet is arranged opposite to and spaced from the coil winding, and the coil winding drives the magnet to drive the mover. The frame includes feedback segments and transition segments. The stator unit further includes hall elements. The hall element outputs a hall signal according to a magnetic field variation detected. The actuator calculates an electrical angle and calculates a drive current, the coil winding drives the magnet to move to realize position correction. The multi-mover direct drive transmission system has a simple structure, a small number of components, and is simple and easy-to-implement the motion control method.

Abstract: A cat litter box includes a shell assembly, a rotary drum, and a driving assembly. The shell assembly includes a top shell, a middle shell, and a bottom shell arranged in sequence in a vertical direction. An excrement collection compartment is arranged inside the bottom shell. The excrement collection compartment is arranged opposite to the middle shell. The top shell is detachably connected to the middle shell. The middle shell is detachably connected to the bottom shell. A mounting cavity is formed between the top shell and the middle shell. The rotary drum is rotatably arranged in the mounting cavity. The driving assembly is detachably connected to the middle shell, and includes a driving unit. The driving unit is drivingly connected to the rotary drum.

Abstract: In one embodiment, an apparatus comprises: a first circuit to compact a plurality of data blocks to a compacted data block and to compact a plurality of error correction codes (ECCs) associated with the plurality of data blocks to a compacted ECC; and a second circuit to generate a generated ECC for the compacted data block. The apparatus may directly send the plurality of data blocks to a destination circuit without error detection on the plurality of data blocks based at least in part on the compacted ECC and the generated ECC. Other embodiments are described and claimed.

Abstract: A backlight control circuit is provided, which includes a driver circuit and a power conversion circuit. The driver circuit includes a feedback output terminal and at least one channel port. The channel port is coupled to a first terminal of a light string group. The driver circuit is configured to obtain a voltage of each channel port, and enable the feedback output terminal to provide a current feedback signal based on the voltage Vch. The power conversion circuit is coupled to the feedback output terminal and includes a voltage output terminal. The voltage output terminal is configured to provide a supply voltage for a second terminal of each light string group. The power conversion circuit is configured to perform voltage conversion on an input voltage, and increase or decrease the supply voltage based on the current feedback signal.

Abstract: A lighting device is disclosed that comprises a glass tube (10); a solid state lighting assembly in said glass tube, said assembly comprising an electrically insulating optical film (20) comprising at least one arcuate portion lining a part (12) of the inner surface of the glass tube, wherein the glass tube further comprises a further part (14) defining a light exit portion; and a plurality of solid state lighting elements (32) on a carrier (30), said carrier contacting said optical film; a thermally conductive member (40, 42) in between at least a part of the solid state lighting assembly and the glass tube for thermally coupling the solid state lighting elements to the glass tube; and a transparent or translucent electrically insulating cover (50, 60) contacting the electrically insulating optical film and covering the solid state lighting elements. A luminaire including such a lighting device and a lighting device assembly method are also disclosed.

Abstract: A semiconductor device and method of manufacture are provided. After a patterning of a middle layer, the middle layer is removed. In order to reduce or prevent damage to other underlying layers exposed by the patterning of the middle layer and intervening layers, an inhibitor is included within an etching process in order to inhibit the amount of material removed from the underlying layers.

Abstract: A chip-on-wafer-on-substrate (CoWoS) semiconductor assembly is formed which includes a chip-on-wafer (CoW) sub-assembly of integrated circuit (IC) dies mounted on an interposer, which is in turn mounted on a package substrate with a top metallization stack and a bottom metallization stack using bonding bumps connecting the backside of the interposer and the front side of the package substrate. The bonding bumps provide electrical connections between the ends of through-vias exposed at the backside of the interposer and the top metallization stack of the package substrate. The likelihood of certain failure mechanisms that can adversely affect CoWoS yield are reduced or eliminated by ensuring a total metal thickness of the top metallization stack is greater than a total metal thickness of the bottom metallization stack, but not so much greater as to induce cracking of the underfill material during curing thereof.

Abstract: A capacitor structure for a power semiconductor device includes a semiconductor substrate, an isolation insulating layer having a ring-shape and including an outer periphery and an inner periphery defining an opening region, a first electrode disposed on the isolation insulating layer, a dielectric layer disposed on the first electrode, and a second electrode disposed on the dielectric layer.

Abstract: A generation system and a generation method for a perspective image are disclosed. The present disclosure acquires a tomographic data set of a target object, determines a rotation information corresponding to a designated perspective of the target object, makes the perspective face a projection plane by rotating the tomographic data set or moving the projection plane based on the rotation information, and merges multiple slice images of the tomographic data set toward the projection plane to obtain a 2D image of the perspective of the target object. The present disclosure can effectively generate the 2D image of the designated perspective of the target object.

Abstract: The present disclosure provides an echinocandin drug impurity and preparation and purification methods and use thereof. The echinocandin drug impurity has a structure shown in Formula I: In the present disclosure, micafungin sodium is reacted with a protonic acid aqueous solution to obtain an echinocandin drug impurity, and a high-purity echinocandin drug impurity is obtained after chromatographic purification. The present disclosure overcomes problems that an echinocandin drug impurity is prone to being degraded during the purification, and purification difficulty is high, and an HPLC purity of the obtained echinocandin drug impurity may reach 90% or more. The echinocandin drug impurity may be used as a reference substance for establishing an analysis method for use in echinocandin drug quality control.

Abstract: A cat litter box includes a shell assembly, a rotary drum, and a driving assembly. The shell assembly includes a top shell, a middle shell, and a bottom shell arranged in sequence in a vertical direction. An excrement collection compartment is arranged inside the bottom shell. The excrement collection compartment is arranged opposite to the middle shell. The top shell is detachably connected to the middle shell. The middle shell is detachably connected to the bottom shell. A mounting cavity is formed between the top shell and the middle shell. The rotary drum is rotatably arranged in the mounting cavity. The driving assembly is detachably connected to the middle shell, and includes a driving unit. The driving unit is drivingly connected to the rotary drum.

Abstract: A semiconductor device and a manufacturing method thereof are provided. The semiconductor device includes a gate electrode, a gate insulating layer, an active layer, a dielectric layer, a source electrode, and a drain electrode. The gate insulating layer is disposed between the gate electrode and the active layer, the dielectric layer is disposed on a side of the active layer, and the source electrode and the drain electrode pass through the dielectric layer to electrically connect with the active layer, wherein a first contact surface is formed between the source electrode and the active layer, a second contact surface is formed between the drain electrode and the active layer, the first contact surface and the second contact surface are subjected to a plasma treatment or a deposition treatment to form a protective interface layer.