Abstract: A transaction record is created showing a purchase transaction of a customer. A CV profile showing a list of items in the transaction obtained from images is also obtained. The items in the transaction record are compared to items on the list. When there is a discrepancy, an action to take is determined.

Abstract: A semiconductor structure includes a substrate, and an active device and a passive device over the substrate. The active device is disposed in a first region of the substrate, and the passive device is disposed in a second region of the substrate. The semiconductor structure further includes a shielding structure and a passivation layer. The shielding structure includes a barrier layer and a ceiling layer. The barrier layer is on the passive device and the active device, and the ceiling layer is on the barrier layer. The passivation layer is under the barrier layer and covers a top surface of the passive device. An air cavity is defined by sidewalls of the barrier layer, a bottom surface of the ceiling layer, and the substrate.

Abstract: The embodiments of the present disclosure provide a power management system of a mobile X-ray machine and a control method thereof. The power management system comprises a power module group; a main control module being connected with a upper machine, and configured to receive an action signal sent by the upper machine, acquire status information of the power module group, and output a control signal; a functional component power pack being connected with the power module group and the main control module, and configured to convert electrical energy of the power module group according to the control signal and output converted energy to a functional component of a high-voltage generator.

Abstract: The present application provides a driving circuit of power devices, a switching circuit and a power conversion circuit. The driving circuit is configured to control switching actions of N power devices connected in parallel, where N?2 and N is a positive integer; the driving circuit includes a driving input circuit and a common magnetic bead, where a first end of the driving input circuit is electrically connected to N first ends of the common magnetic bead, N second ends of the common magnetic bead are electrically connected to control ends of the N power devices in a one-to-one correspondence, and a second end of the driving input circuit is electrically connected to second ends of the N power devices.

Abstract: Disclosed herein is a polyamide composition, comprising including from 30 wt % to 70 wt % of polyamide mixture and from 30 wt % to 70 wt % of filler mixture, and from 0 to 10 wt % of additives (E), based on the total weight of the polyamide composition. The polyamide composition provides advantage of good flatness and less dust particles, meanwhile the mechanical properties are maintained. Such advantage makes the polyamide composition especially suitable for the optical element application.

Abstract: The embodiments of the present disclosure provide a power management system of a mobile X-ray machine and a control method thereof. The power management system comprises a power module group; a main control module being connected with a upper machine, and configured to receive an action signal sent by the upper machine, acquire status information of the power module group, and output a control signal; a functional component power pack being connected with the power module group and the main control module, and configured to convert electrical energy of the power module group according to the control signal and output converted energy to a functional component of a high-voltage generator.

Abstract: An adaptive control method for a mobile X-ray machine includes: acquiring operating information of a battery, determining a state of the battery; if the battery is in a failure state, selecting a first control value; if the battery is not in the failure state, determining whether a residual charge of the battery is less than a low charge threshold; if the residual charge of battery is less than low charge threshold, determining the battery is in a low charge state, and selecting a second control value; and if residual charge of battery is not less than low charge threshold, determining the battery is in a normal state, and selecting a third control value; acquiring circuit parameter information of a capacitor charger, and controlling capacitor charger based on circuit parameter information and the first control value or the second control value or the third control value.

Abstract: The invention relates to thermoplastic polyester molding compositions, comprising polybutylene terephthalate (PBT), poly(1,4-cyclohexanedimethanol terephthalate) (PCT) and epoxy-functionalized compatibilizer, a process for preparing the thermo-plastic polyester molding compositions, and to the use of the molding compositions of the invention for producing parisons, containers, films, tubes, or moldings of any type, and also to the resultant moldings of the invention.

Abstract: A mobile high voltage generating device for providing power to an X-ray apparatus, includes a power supply unit including a battery and an isolated DC-DC converter electrically coupled with the battery; an energy storage unit, electrically coupled to the isolated DC-DC converter of the power supply d a voltage conversion unit coupled between the energy storage unit and a radiation source of the X-ray apparatus; wherein the isolated DC-DC converter includes: a first inverter circuit coupled to a battery, a first rectifier circuit coupled to the energy storage unit, a first transformer including a primary winding and a secondary winding. The primary winding is coupled to the first inverter circuit and the secondary winding is coupled to the first rectifier circuit.

Abstract: A high voltage transformer apparatus, including: a tank; a high voltage transformer, disposed upright on one side within the tank, including a first transformer unit configured to generate a positive voltage and a second transformer unit configured to generate a negative voltage; a positive high voltage terminal and a negative high voltage terminal respectively disposed on the other side within the tank opposite to the first transformer unit and the second transformer unit; a first circuit board disposed between the first transformer unit, the first side wall, and the positive high voltage terminal; and a second circuit board disposed between the second transformer unit, the second side wall, and the negative high voltage terminal; wherein the first and second circuit boards are respectively configured to rectify, filter and sample the positive and negative voltages.

Abstract: A high voltage transformer apparatus, including: a tank; a high voltage transformer, disposed upright on one side within the tank, including a first transformer unit configured to generate a positive voltage and a second transformer unit configured to generate a negative voltage; a positive high voltage terminal and a negative high voltage terminal respectively disposed on the other side within the tank opposite to the first transformer unit and the second transformer unit; a first circuit board disposed between the first transformer unit, the first side wall, and the positive high voltage terminal; and a second circuit board disposed between the second transformer unit, the second side wall, and the negative high voltage terminal; wherein the first and second circuit boards are respectively configured to rectify, filter and sample the positive and negative voltages.

Abstract: A ceiling fan comprising upper and lower transparent dome-shaped light housings connected together by an annular ring. A neon light is positioned about the fan motor between the light housings such that illumination from the neon tube shines therethrough. Power supply electrical wires extend from the ceiling through the down rod of the fan, then through the hollow shaft of the motor into a switch housing. A light circuit is positioned within the switch housing and connected to the power supply electrical wires. High voltage electrical wires extend from the light circuit through the hollow shaft and to the neon light for powering the neon tube to cause illumination thereof.

Abstract: An induction motor speed control apparatus and method wherein various capacitors are switched in series with the auxiliary winding of an induction motor and, during such switching, the power source is disconnected from the main and auxiliary windings and the in-use capacitors are momentarily connected to the main winding to form a closed-loop discharge path through the main and auxiliary windings.