Csmc Technologies Fab2 Co., Ltd.

Southeast University

Joyetech Europe Holding Gmbh

Arkema France

Other

Jiangsu University

Nanjing Chervon Industry Co., Ltd.

China University of Mining and Technology (cumt)

Nanjing University of Aeronautics and Astronautics

Rigol Technologies (beijing), Inc.

Rigol Technologies, Inc.

Xuzhou Fuan Technology Co., Ltd.

Nan Jing Ningdong Digital Technology Co., Ltd.

Hao Wang

Weihua Qiu

Longxing Shi

Wei Su

Shuming Guo

Yue Wang

Benoît Brule

Weifeng Sun

Shen Xu

Weisen Li

Youhui Li

Xiong Yao

Chen Li

Jinyu Xiao

Nan Zhang

Antoine Breuil

Toshinari Yamaoka

Fangjie Nie

Jianpeng Guo

Sen Zhang

Feng Lin

Jie Yang

Qi Zhang

Bin Chen

Ming Gu

Qinsong Qian

Qi Liu

Nailong He

Enyuan Wang

Zhonghui Li

Xiaofei Liu

Jianchun Ou

Tiejun Wang

Jingchuan Zhao

Zhili Zhang

Shitang Ke

Shengyou Xu

Minggang Chen

Shuo Wang

Hongxin Wu

Jing Zhou

Sanglong Wang

Yonghong Fu

Lin Du

Longhai Chen

Mingwei Li

Weiwei Li

Feng Zheng

Zongchuan Wang

Yining Hu

Lizhe Xie

Xinmiao Zhao

Yongqiang Hu

Xiyuan Wang

Rongrong Tao

Zhan Gao

Maoqian Zhu

Cheng Zhou

Zhijin Li

Lin Wu

Yong Huang

Rongxi Shen

Guangquan Han

Baolin Li

Zhengyang Kang

Guowen Zou

Xijun Hua

Jinghu Ji

Hao Fu

Tieiun Wang

An analog-to-digital converter and a thermopile array. The analog-to-digital converter comprises: a reference voltage generation circuit comprising a voltage generation unit; a chopping modulation unit used to perform chopping modulation on a voltage signal generated by the voltage generation unit, and to modulate low frequency noise of the voltage signal into high frequency noise; and a low-pass filter used to eliminate the high frequency noise to obtain a reference voltage. The invention employs a simple structure to obtain a low noise reference voltage at low costs.

Analog-to-digital converter and thermopile array

A semiconductor memory comprising: a comparison readout circuit comprising a first port configured to receive an electric signal of a read memory unit and a second port configured to receive a reference electric signal, the comparison readout circuit being configured to compare the electric signal of the read memory unit with the reference electric signal to obtain storage information of the memory unit; and a first/second column decoder connected to a first/second memory array and the comparison readout circuit and configured to select a bitline corresponding to the read memory unit when a memory array selection signal enables the first/second memory array, and output the electric signal of the memory unit to the first port by means of the bitline, and further configured to connect a first bitline of the first/second memory array to the second port when the memory array selection signal does not enable the first/second memory array.

Semiconductor memory including a current comparison readout circuit

A laterally diffused metal-oxide-semiconductor (LDMOS) device and a method for fabricating the LDMOS device are disclosed. The device includes: a substrate () having a second conductivity type; a drift region () that has a first conductivity type and is disposed on the substrate (), wherein the first conductivity type is opposite to the second conductivity type; a plurality of layers of doped structures disposed in the drift region (), each layer of the doped structure comprising at least one doped bar () extending in a lengthwise direction of a conductive channel; and a plurality of doped polysilicon pillars () disposed in the drift region () so as to extend downward through the doped bar () of at least one of the layer of doped structures, wherein ions doped in the doped polysilicon pillars () and ions doped in the doped bar have opposite conductivity types.

Lateral diffusion metal oxide semiconductor device and manufacturing method therefor

A semiconductor memory, comprising a negative voltage providing unit, which is used for providing a first negative voltage to a word line during a read operation, and comprises: a clamping unit that comprises an input end, a control end and an output end, wherein the input end is coupled to a common ground end of the memory, and the control end is used for receiving a first signal; an energy storage capacitor, a first end of which is coupled to the output end, and a second end that is used for receiving a second signal; and a negative voltage providing end which is coupled to the first end, wherein the clamping unit is used for: pulling the voltage at the output end to the voltage at the input end when the first signal is '0'; and clamping the output end at a clamping voltage when the first signal is “1”.

Semiconductor memory

The invention provides a dentition movement track indicator and a tracing method. The device includes an intra-oral fixation assembly and an extra-oral movement indicating assembly, wherein the intra-oral fixation assembly includes a lower denture base, a left side retention steel wire, a right side retention steel wire and a positioning steel wire. The lower denture base is arranged on the lingual side of the lower dentition and respectively extends from a lower incisor to the far center of the last tooth on the left side and the right side and clings to the lingual mucous membrane. The left side retention steel wire and the right side retention steel wire are distributed in a left-right symmetry mode. The extra-oral movement indicating assembly includes a connecting rod, an arc rod, an indicating plate and a plurality of rectangular parallelepiped thin rods. According to the dentition movement track indicator, an intra-oral fixation assembly.

Dentition movement track indicator and manufacturing method of intra-oral fixation assembly thereof

Provided are a color generation system, method and apparatus of a to-be-displayed object, a display device and a medium. The color generation system of a to-be-displayed object includes a to-be-displayed object processing module, a color setting module and a color generation module. The to-be-displayed object processing module is configured to preprocess a sampled to-be-displayed object, and determine to-be-displayed object information of the sampled to-be-displayed object according to the preprocessed sampled to-be-displayed object. The color setting module is configured to generate a to-be-displayed object color mapping table based on the to-be-displayed object information, and parse the to-be-displayed object information and color information in the to-be-displayed object color mapping table to obtain a subpixel information component of a display interface. The color generation module is configured to configure a display color of the sampled to-be-displayed object on the display interface according to the subpixel information component of the display interface.

Color generation system, method, and apparatus for object to be displayed, display device, and medium

A trimmer head includes a spool formed with a winding portion for winding a trimmer line and a head housing formed with an accommodating space for accommodating at least a portion of the spool. The trimmer head further includes an intermediate element for transmitting a torque between the spool and the head housing such that one of the spool and the head housing rotates with the other. The spool drives the intermediate element to rotate and the intermediate element is slidably connected to the spool in a direction along a rotation axis or parallel to the rotation axis. The spool does not move in the axial direction when the trimmer head of the grass trimmer is unwinding the trimmer line, thereby effectively avoiding the problem of the trimmer line jamming.

Trimmer head and grass trimmer

The use of at least one MXDZ polyamide, obtained from the polycondensation of meta-xylylenediamine (MXD), with a Cto Caliphatic (Z) dicarboxylic acid, in particular Cto C, in a mixture including at least one aliphatic polyamide A obtained from the polycondensation of a unit selected from: a Cto Clactam, a Cto Camino acid, and an XY unit obtained from the polycondensation of a Cto C, aliphatic diamine (X), especially Cto C, and a Cto Caliphatic dicarboxylic acid (Y), especially Cto C, circular-section glass fibres and optionally at least one impact modifier and/or at least one additive, said at least one MXDZ polyamide and said mixture constituting a composition, and the MXDZ/A weight ratio being from 0.11 to 0.83, in particular from 0.11 to 0.66, to limit the warping of said composition during processing, in particular by injection or compression moulding.

Use of a semi-aromatic polyamide in a mixture of aliphatic polyamide comprising circular-section glass fibres to limit warping

An active folding wind turbine capable of resisting severe typhoons is provided. Each wind turbine blade includes an upper blade part and a lower blade part that are hinged to each other by a hinge device. A motor transmission system is installed in the lower blade part, is connected to the hinge device in a transmission manner, and can drive the upper blade part to rotate relative to the lower blade part through the hinge device, so that the wind turbine blade is bent. When the upper blade part rotates to an end of a travel, a blade tip of the upper blade part is propped against an upper end of the lower blade part of an adjacent wind turbine blade. A winch is built in an upper portion of the lower blade part of the wind turbine blade, and is provided with a cable.

Active folding wind turbine capable of resisting severe typhoons

The use of circular-section glass fibres in a mixture including at least one MXDZ polyamide, obtained from polycondensation of meta-xylylenediamine (MXD), with a Cto Caliphatic (Z) dicarboxylic acid, and at least one aliphatic polyamide A obtained from the polycondensation of a unit selected from: a Cto Clactam, a Cto Camino acid, and an XY unit obtained from the polycondensation of a Cto Caliphatic diamine (X), and a Cto Caliphatic dicarboxylic acid (Y), circular-section glass fibres and optionally at least one impact modifier and/or at least one additive, said circular-section glass fibres and said mixture constituting a composition, said circular-section glass fibres being present from 30 to 75% by weight and with respect to the total weight of the composition, to improve the mechanical properties of said composition, including elongation at break, after processing, in particular by injection or compression moulding.

Use of circular-section glass fibres in a mixture comprising a semi-aromatic polyamide and an aliphatic polyamide to improve the mechanical properties of said mixture

An analog-to-digital converter and a clock generation circuit thereof are provided. The clock generation circuit comprises cascaded clock generation modules. The clock generation module at each stage is configured to generate a corresponding internal clock signal, and each stage of the clock generation module comprises a delay module and a logic gate module. The second input end of the N-th stage of the logic gate module is connected to the output end of the previous stage of the logic gate module, and the output end of the logic gate module is configured to output an internal clock, so that each stage of the clock generation module can generate one internal clock signal.

Analog-to-digital converter and clock generation circuit thereof

An automatic dead zone time optimization system in a primary-side regulation flyback power supply continuous conduction mode (CCM), including a closed loop formed by a control system, including a single output digital to analog converter (DAC) midpoint sampling module, a digital control module, a current detection module, a dead zone time calculation module and a pulse-width modulation (PWM) driving module, and a controlled synchronous rectification primary-side regulation flyback converter. A primary-side current is sampled using a DAC Sampling mechanism to calculate a secondary-side average current, so as to obtain a primary-side average current and a secondary-side average current, in the case of CCM. A secondary-side current is input into the dead zone time calculation module to obtain a reasonable dead zone time; and the PWM driving module is jointly controlled by a primary-side regulation loop and the obtained dead zone time.

Deadtime automatic-optimization system for flyback power supply having primary-side feedback in CCM, control system and method for flyback power supply having primary-side feedback in CCM

Provided are a color control method and apparatus of a to-be-displayed object, a measurement device, and a medium. The method includes: acquiring to-be-displayed object information of the to-be-displayed object, and generating a corresponding to-be-displayed object interface according to the to-be-displayed object information; configuring color information of the to-be-displayed object interface based on a preset to-be-displayed object color mapping frame, where the to-be-displayed object color mapping frame is used for configuring a mapping relationship between the color information and the to-be-displayed object information of the to-be-displayed object on a current display interface; and displaying the to-be-displayed object information of the to-be-displayed object interface according to the configured color information.

Color control method and apparatus of a to-be-displayed object, measurement device, and medium

A method for improving the conversion efficiency of a CCM mode of a flyback resonant switch power supply, comprising: presetting a critical value Tset, calculating a time interval Ttap between adjacent zero points in the current connection time, outputting a shutdown signal at the zero points, and comparing the time interval Ttap with the preset critical value Tset; when Ttap&#x3e;Tset, controlling the current shutdown time to be less than the shutdown time of the preceding cycle and outputting a start signal; when Ttap=0, controlling the current shutdown time to be greater than the shutdown time of the preceding cycle and outputting a start signal; and when 0&#x3c;Ttap&#x3c;=Tset, controlling the current shutdown time to be the same as the shutdown time of the preceding switch cycle and outputting a start signal.

Method for improving conversion efficiency of CCM mode of flyback resonant switch power supply

A control system for synchronous rectifying transistor of LLC converter, the system comprising a voltage sampling circuit, a high-pass filtering circuit, a PI compensation and effective value detection circuit, and a control system taking a microcontroller (MCU) as a core. When the LLC converter is operating at a high frequency, a drain-source voltage Vof the synchronous rectifying transistor delivers, via the sampling circuit, a change signal of the drain-source voltage during turn-off into the high-pass filtering circuit and the PI compensation and effective value detection circuit to obtain an effective value amplification signal of a drain-source voltage oscillation signal caused by parasitic parameters, and the current value is compared with a previously collected value via a control circuit taking a microcontroller (MCU) as a core, so as to change a turning-on time of the synchronous rectifying transistor in the next period.

Control system for synchronous rectifying transistor of LLC converter

Growing community of inventors

Jiangsu, China

Hao Wang