Abstract: The present disclosure provides a chassis assembly and a vehicle. The chassis component includes: a chassis provided with a plurality of mounting positions and configured to install a battery module; a quick-release device through which the battery module is installed on the mounting positions, wherein the quick-release device is controlled by a control system; and a voltage electrical connecting assembly electrically connected to the battery module, wherein the voltage electrical connecting assembly is controlled by the control system. The vehicle includes the chassis assembly.

Abstract: The present disclosure relates to a glass-ceramic dental prosthesis and a method for preparing the same. The glass-ceramic dental prosthesis has a metal ion-reinforced surface. An area of the metal ion-reinforced surface is smaller than an entire surface area of the glass-ceramic dental prosthesis. A concentration of a reinforcing metal ion on the metal ion-reinforced surface is C1 %. A concentration of the reinforcing metal ion on an other surface region of the glass-ceramic dental prosthesis is C2 %. C1 is greater than C2.

Abstract: The disclosure provides a method, module and terminal for automatically activating a battery. The module for activating the battery comprises a detection unit, an activation unit and a control unit. The method for activating the battery comprises the following steps: a value of at least one first working parameter and a value of at least one second working parameter of the battery are periodically collected, recorded and uploaded; a key section of the at least one first working parameter is determined and a variation value of the second working parameter corresponding to the key section of the first working parameter is computed; and the variation value of the second working parameter is compared with a preset value, the using state of the battery is determined according to a comparison result, and the battery is activated according to the using state.

Abstract: The disclosure provides a method, module and terminal for automatically activating a battery. The module for activating the battery comprises a detection unit, an activation unit and a control unit. The method for activating the battery comprises the following steps: a value of at least one first working parameter and a value of at least one second working parameter of the battery are periodically collected, recorded and uploaded; a key section of the at least one first working parameter is determined and a variation value of the second working parameter corresponding to the key section of the first working parameter is computed; and the variation value of the second working parameter is compared with a preset value, the using state of the battery is determined according to a comparison result, and the battery is activated according to the using state.

Abstract: A circuit for a front-end tunable filter of a communication and broadcast receiver and a tuning method thereof are described herein. In one aspect, the circuit of the tunable filter may be independent of the signal reception link of the receiver. The pre-filter (104) includes a variable capacitance (146) which is adjusted by a tuning signal (160). A negative resistance element (144) and the pre-filter (104) may form an oscillator. The negative resistance element (144) is controlled by an amplitude control signal (162) outputted from an oscillation amplitude control circuit (142). The oscillation amplitude control circuit (142) stabilizes the amplitude of a radio frequency signal (130) in a preset range. An oscillation frequency control circuit (140) stabilizes the frequency of the signal (130) in a preset frequency range by a tuning signal (160). The tuning is completed until both of the amplitude and the frequency of the oscillation signal meet the preset ranges.

Abstract: A method and device for generating an adjustable signal includes a voltage generator configured to continuously adjust an output voltage and output the voltage, a ?? modulator configured to output a digital signal of pre-determined-cycle based on the output voltage and a reference voltage, a counter configured to count the number of a target level in the digital signal of a pre-determined number of cycles, and a digital signal generator configured to generate a target signal based on the number of the target level. The method and device may improve the accuracy of the generated signal while remaining the same feel of continuous adjustment.

Abstract: A circuit for a front-end tunable filter of a communication and broadcast receiver and a tuning method thereof are described herein. In one aspect, the circuit of the tunable filter may be independent of the signal reception link of the receiver. The pre-filter (104) includes a variable capacitance (146) which is adjusted by a tuning signal (160). A negative resistance element (144) and the pre-filter (104) may form an oscillator. The negative resistance element (144) is controlled by an amplitude control signal (162) outputted from an oscillation amplitude control circuit (142). The oscillation amplitude control circuit (142) stabilizes the amplitude of a radio frequency signal (130) in a preset range. An oscillation frequency control circuit (140) stabilizes the frequency of the signal (130) in a preset frequency range by a tuning signal (160). The tuning is completed until both of the amplitude and the frequency of the oscillation signal meet the preset ranges.

Abstract: A method for improving the reverse breakdown voltage between P-well and N-well and related semiconductor silicon devices are described herein. In one aspect, a semiconductor silicon device comprises a substrate; a P-well in said substrate; an N-well in said substrate; wherein said N-well and said P-well are separated by said substrate. In another aspect, a method for increasing the reverse breakdown voltage from P-well to N-well comprises: providing a substrate; forming an N-well and a P-well in said substrate and separating said N-well and said P-well by said substrate.

Abstract: An adjustable signal generating device and related method for generating the adjustable signal are described herein. The adjustable signal generating device includes: a voltage generator configured to continuously adjust an output voltage and output the voltage; a ?? modulator configured to output a digital signal of pre-determined-cycle based on the output voltage and a reference voltage; a counter configured to count the number of a target level in the digital signal of a pre-determined number of cycles; and a digital signal generator configured to generate a target signal based on the number of the target level. The described method and device improve the accuracy of the generated signal while remaining the same feel of continuous adjustment.

Abstract: A DMA engine is provided that is suitable for higher performance System On a Chip (SOC) devices that have multiple concurrent on-chip/off-chip memory spaces. The DMA engine operates either on logical addressing method or physical addressing method and provides random and sequential mapping function from logical address to physical address while supporting frequent context switching among a large number of logical address spaces. Embodiments of the present invention utilize per direction (source-destination) queuing and an internal switch to support non-blocking concurrent transfer of data on multiple directions. A caching technique can be incorporated to reduce the overhead of address translation.