Abstract: A clutch for a mower has an electric motor, a drive mechanism connected with the motor and an output mechanism connected with the drive mechanism. The drive mechanism has a cam driven by the motor and a cam follower reciprocating along with the cam. Reciprocation of the cam follower switches the output mechanism between a transmission state and a non-transmission state.

Abstract: The present disclosure provides a computed tomography apparatus and a method for capturing a tomographic image by the same. The device includes: a radiation source configured to emit X rays; a radiation source window; a baffle having a through-hole therein; a control module connected to the baffle via a drive device, configured to control a rotation center of a rotation arm of the apparatus according to a preset photographing condition to determine a photographing position to be captured, and to regulate the baffle via the drive device according to a position of a partial area of a target object when the photographing position is the partial area; and the area array detector configured to convert received X rays penetrating through the through-hole and the partial area to a projection image.

Abstract: A method and apparatus for generating a tooth panoramic image, and a panoramic machine for photographing teeth. The method comprises: determining a frame frequency of a reference detector, and determining a frame frequency of a photographing detector according to the frame frequency of the reference detector; photographing the teeth of a user according to the frame frequency of the photographing detector so as to generate a plurality of images; performing shift superposition on the plurality of images so as to generate a first panoramic image; acquiring a fuzzy region in the first panoramic image; and performing frame frequency adjustment on each row in the fuzzy region so as to form a clear image, and fusing the clear image and the first panoramic image so as to generate a second panoramic image.

Abstract: An electronic magnetic bearing fault-tolerant drive module includes a first plurality of switching elements and a second plurality of switching elements. At least one winding is interposed between the first plurality of switching elements and the second plurality of switching elements. The first and second switching elements are configured to selectively operate in a first mode and a second mode to generate an electromagnetic field. The electronic magnetic bearing fault-tolerant drive module is configured to detect one or more electrical faults including an open-circuit fault of at least one of the first and second switching elements.

Abstract: Provided are anti-epidermal growth factor receptor (EGFR) antibodies, aglycosylated CDR-H2 anti-EGFR antibodies, and antigen binding fragments thereof. Also provided are isolated nucleic acid molecules that encode the anti-EGFR antibodies or antigen binding fragments thereof, related expression vectors, and host cells. Provided are methods of making anti-epidermal growth factor receptor (EGFR) antibodies, aglycosylated CDR-H2 anti-EGFR antibodies, and antigen binding fragments thereof. Also provided are related pharmaceutical compositions and methods of their use to treat subjects.

Abstract: A system includes a paralleled inverter circuit and a controller. The paralleled inverter circuit includes a first inverter and a second inverter. The controller is configured to control a first plurality of switches of the first inverter and a second plurality of switches of the second inverter based upon a control vector. The controller controls the paralleled inverter circuit using a first unit vector for a first time period and controls the paralleled inverter circuit using a second unit vector for a second time period. The first unit vector and the second unit vector are selected based upon the control vector, and the first time period and the second time period are determined based upon the control vector.

Abstract: Embodiments herein relate to a rectifier to supply a DC bus that in turn supplies voltage to a converter that drives a motor and configuring the rectifier to minimize or eliminate common mode voltage between the DC bus and the AC source. In this way, the embodiments herein relate to timing and switching a power from the rectifier to the DC bus.

Abstract: A system and/or method for controlling a dual-three-phase machine with respect to a power electronics inverter is provided. The dual-three-phase machine includes six phase windings divided into at least two windings groups configured to provide a combination of six voltages that achieve zero common-mode voltage and a significantly reduced common-mode noise current.

Abstract: A signal line power receiving circuit includes a signal processing unit, a power unit, a signal interface, a first isolation unit and a first filter unit. The signal interface transmits and receives data signals and receives power signals all via a first signal line. The first isolation unit isolates the power signals in the first signal line. The first filter unit filters the data signals in the first signal line and supplies the power signals to the power unit. A signal line power supply circuit and a related signal line power supply system are also provided.

Abstract: A clutch for a mower has an electric motor, a drive mechanism connected with the motor and an output mechanism connected with the drive mechanism. The drive mechanism has a cam driven by the motor and a cam follower reciprocating along with the cam. Reciprocation of the cam follower switches the output mechanism between a transmission state and a non-transmission state.

Abstract: A power conversion system includes a paralleled inverter and a plurality of coupling inductors. The paralleled inverter is configured to convert a direct current input into an alternating current output and includes a first inverter having a first plurality of phase outputs and a second inverter having a second plurality of phase outputs, which may achieve negligible common-mode output voltage. The plurality of coupling inductors connect one of the first plurality of phase outputs with one of the second phase outputs to filter differential-mode electromagnetic interference and circulation current.

Abstract: A system includes a paralleled inverter circuit and a controller. The paralleled inverter circuit includes a first inverter and a second inverter. The controller is configured to control a first plurality of switches of the first inverter and a second plurality of switches of the second inverter based upon a control vector. The controller controls the paralleled inverter circuit using a first unit vector for a first time period and controls the paralleled inverter circuit using a second unit vector for a second time period. The first unit vector and the second unit vector are selected based upon the control vector, and the first time period and the second time period are determined based upon the control vector.

Abstract: An electronic device defines a receiving groove for an antenna, a first opening, and a second opening. The first opening and the second opening are at two opposite ends of the receiving groove, and allow an antenna assembly to be extended or retracted in the receiving groove to allow the electronic device to receive different types of wireless signals.

Abstract: A signal line power receiving circuit includes a signal processing unit, a power unit, a signal interface, a first isolation unit and a first filter unit. The signal interface transmits and receives data signals and receives power signals all via a first signal line. The first isolation unit isolates the power signals in the first signal line. The first filter unit filters the data signals in the first signal line and supplies the power signals to the power unit. A signal line power supply circuit and a related signal line power supply system are also provided.

Abstract: A radio-frequency (RF) front-end circuit includes a tunable filter, a negative transconductance circuit coupled with the tunable filter to produce a tuning oscillation signal, and a counter arranged to determine a frequency of the tuning oscillation signal. The RF front-end circuit also includes a control circuit arranged to shift the frequency of the tuning oscillation signal by adjusting the tunable filter until the frequency of the tuning oscillation signal falls within an acceptable frequency range corresponding to a desired channel frequency band.

Abstract: A group of amino substituted benzoyl derivatives, their preparation and their use. The screening and research on an antiviral drug with hA3G/Vif as a target point proves that the 3-amino benzoyl derivatives not only have the combined activity for the hA3G/Vif, but also have a function of inhibiting replication of viruses. The present invention provides the possible breakthrough progress for the problem of HIV drug resistance, thereby providing a novel clinical antiviral drug which has higher efficiency.

Abstract: A lifter assembly for actuating a needle of an automatic medication delivery device, includes a motor, a speed reduction device driven by the motor, an output shaft driven by the speed reduction device via a rigid transmission device, a driving lever configured to move the needle, the driving lever being connected to and driven by the output shaft, and a sensing device configured to sense the rotation position of the output shaft. The speed reduction device comprises a worm in mesh with a worm gear. The output shaft, the worm gear and the rigid transmission device cooperatively constitute a four-bar linkage mechanism.

Abstract: The present invention provides new methods and kits for treating and preventing bacterial infection.

Abstract: An electronic device defines a receiving groove for an antenna, a first opening, and a second opening. The first opening and the second opening are at two opposite ends of the receiving groove, and allow an antenna assembly to be extended or retracted in the receiving groove to allow the electronic device to receive different types of wireless signals.

Abstract: A multiple-input multiple-output (MIMO) device includes a substrate, a shielding cover and a MIMO antenna. The shielding cover is positioned on the substrate, and includes a plurality of sidewalls. The MIMO antenna includes a first solid antenna, a second solid antenna, and a plane antenna. The first solid antenna and the second solid antenna are electrically connected to two ends of one sidewall of the shielding cover, respectively. The first plane antenna is configured on the substrate, and disposed between the first solid antenna and the second solid antenna.