Chengdu Monolithic Power Systems Co., Ltd.

Huawei Technologies Co., Limited

Monolithic Power Systems, Inc.

Shenzhen Kiwi Instruments Corporation

Xiamen Kiwi Instruments Corporation

Hangzhou Kiwi Instruments Corporation

Alibaba Group Holding Limited

Advanced New Technologies Co., Ltd.

Zhejiang Lab

Ant Financial (hang Zhou) Network Technology Co., Ltd.

Bin Liu

Qian Ouyang

Eric X Yang

Lijie Jiang

Xiaokang Wu

Suhua Luo

Yuancheng Ren

Xiufeng Yu

Weixiang Jin

Junming Zhang

James Copland Moyer

Jingsong Li

Yu Tian

Tianshu Zhou

Yi Pan

Junliang Zhang

Huang Yu

Hongming Zhang

Guocheng Chen

Miao Lei

Lei Hong

Jianbo Xiang

Feixiang Song

Shan An

Provided are a system and a method for displaying a high-resolution liver cancer pathological image based on an image pyramid. The system includes a data source processing module and an image display module. The data source processing module is configured to acquire original images in various states, process the original images, acquire an image pyramid, name image blocks in the image pyramid, and store the image blocks in a folder set for the image pyramid in a server. The image display module is configured to acquire the image blocks in the folder set for the image pyramid in the server, acquire the image blocks according to a user's request, and splice and display the image blocks in an image display area. For the spliced image blocks, enlargement, reduction and translation operations are supported.

System and method for displaying high-resolution liver cancer pathological image based on image pyramid

A transistor module including a first transistor and a second transistor for start up control is provided. Wherein the first end of the first transistor is coupled to the first end of the second transistor, the second end of the first transistor is coupled to the control end of the second transistor, and the second end of the second transistor provides a start up current for a control circuit.

Transistor module and its associated semiconductor module

A load driving circuit includes a switch circuit and a linear circuit connected in series. The switch circuit has a switching transistor and converts an input voltage into a first output voltage. The linear circuit has a linear device and provides a driving voltage and a driving current for driving the load. The driving circuit controls the switching transistor according to a feedback signal indicative of conducting state of the linear device.

Load driving circuit, driving method and associated switch control circuit

A non-isolating AC-DC voltage converting system has two voltage converters. The first voltage converter receives a bus voltage and turns on a power transistor when the bus voltage is at valley regions and to provide an interim voltage which is lower than the bus voltage. The second voltage converter receives the interim voltage and provides an output voltage of the AC-DC voltage converting system.

Voltage converting circuit and associated chip package and converting method

An FPGA upgrade method is provided, including: delivering, by a host, an upgrade instruction to an FPGA; uninstalling a PCIe driver corresponding to the FPGA to let a status of the PCIe link be changed to link down; continuously monitoring, in a first expiration time, whether the status of the PCIe link is changed to link up; and if yes, reloading the PCIe driver. The method further includes: after the FPGA receives the upgrade instruction, continuously monitoring, in a second expiration time, whether the status of the PCIe link is changed to link down, if yes, loading the configuration data from the FPGA configuration memory for upgrade; and after upgrade is completed, negotiating, by the FPGA, with the host to restore the status of the PCIe link to link up that is used for reloading the PCIe driver upon detection by the host.

FPGA upgrade method based on PCIe interface

A control circuit for controlling a power transistor is provided. The power transistor is coupled in series with a load, both coupled between an input power terminal and a reference ground. The control circuit controls the conduction state of the power transistor based on a dimming signal, and when a representative value of the dimming signal is higher than a first threshold, the control circuit regulates the amplitude of the current flowing through the power transistor, and when the representative value of the dimming signal is lower than a second threshold, the control circuit regulates the time of the current flowing through the power transistor, and wherein the second threshold is not higher than the first threshold.

Control circuit, LED driving system and control method thereof

A control circuit for controlling a power switch in a SMPS has a signal jittering circuit and a comparing circuit. The signal jittering circuit adds an overlapping signal into a current sensing signal indicative of current flowing through the power switch or into a current threshold signal, wherein the overlapping signal has a first frequency and an enveloping line of the overlapping signal has a second frequency, and wherein the second frequency is lower than the first frequency. The comparing circuit compares the current sensing signal and the current threshold signal, wherein when the current sensing signal is higher than the current threshold signal, the control circuit c turns off the power switch.

Control circuit for controlling a power switch and associated control method

A control circuit for controlling a transistor includes a reference signal generating circuit and a driver stage circuit. The reference signal generating circuit outputs a reference signal, and to control the reference signal having a first change trend in a first time period of a time interval and having a second change trend in a second time period of the time interval based on time. The driver stage circuit is configured to control the transistor according to the reference signal and a current sampling signal, so that the current flowing through the transistor changes with the reference signal.

Control circuit, driving circuit and control method for controlling a transistor

This application discloses a data flow control method and apparatus. The method includes: calculating, by a device when a clock signal arrives, a quantity of transition-minimized differential signaling (TMDS) characters currently stored in a buffer of the device; and outputting, by the device, the TMDS character in the buffer when the quantity of TMDS characters currently stored in the buffer reaches a preset value, or outputting a gap data packet when the quantity of TMDS characters currently stored in the buffer does not reach a preset value, where the preset value is less than or equal to a TMDS character storage capacity of the buffer.

Data flow control method and apparatus

A method includes: obtaining, by an inner table node that stores a portion of an inner table, a portion of an outer table from each of outer table nodes, and wherein a size of the outer table is less than a size of the inner table; reading, by the inner table node, the outer table by table joining threads or table joining processes of the inner table node; matching, by the table joining threads or the table joining processes, the outer table with the portion of the inner table stored at the inner table node; and outputting, by the inner table node, data from the outer table and the portion of the inner table that matches with each other.

Method, apparatus, system, server, and storage medium for connecting tables stored at distributed database

Input information associated with a data field is received. The data field is included in a page. A determination is made as to whether the input information includes an error. In response to determining that the input information includes an error an anchor is determined in the page corresponding to a location of the data field in the page. An error popup is displayed on the page. The error popup includes an error list that includes an error notification associated with the error. The error notification includes the location of the data field in the page.

Page positioning method and apparatus for erroneous input information

A method includes determining whether a region to be recognized corresponding to a specified feature exists in an image to be processed. The method may also include determining a main subject region containing the main subject of the image to be processed in accordance with a preset feature parameter of the main subject region and the coordinates and size of the region to be recognized when the region to be recognized exists. The method may further include extracting an image of the main subject region as a foreground image for an extraction process of a foreground target, and taking the extracted image as the main subject of the image to be processed.

Method and system for extracting a main subject of an image

A switching converter with slope compensation circuit, the slope compensation circuit has a first voltage source, a first operation circuit, a first switch, a first capacitor, a second switch and a first controlled current source.

Switching converter with slope compensation circuit

A multi-phase switching converter comprising a plurality of switching circuits, a comparing circuit and a control circuit. The comparing circuit generates a comparison signal based on a reference signal and the output voltage of the multi-phase switching converter. The control circuit can turn on the following switching circuit based on the comparison signal only after the time from the current switching circuit being turned on reaches a first time threshold or the off-time of the current switching circuit reaches a second time threshold, wherein the first time threshold is longer than the second time threshold.

Constant on time multi-phase switching converter and control method thereof

The present invention discloses a multi-phase switch-mode power supply (SMPS). The multi-phase SMPS may comprise a plurality of comparing circuits and a controller. Wherein each comparing circuit comprises a first input coupled to a threshold voltage, a second input coupled to a feedback signal of the output voltage, and an output configured to provide a load indication signal. The controller may have a plurality of inputs coupled to the outputs of the comparing circuit, and a plurality of outputs configured to provide control signals for driving a plurality of switches of the multi-phase SMPS. And the controller is configured to selectively turn on a plurality of the switches according to the load indication signals.

Growing community of inventors

Hangzhou, China

Bin Liu