Patents by Inventor Lei Pan
Lei Pan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11801542Abstract: The disclosure provides a micro control device for simulating the electric thermal field change of a plate/strip, comprising a plate shape simulating test platform, a high current regulating power supply, a current regulating device, a thermal imager, a thermocouple, a non-contact type full field strain gauge, a high-power current control device and an electro-plastic control system; for a plate/strip with large width to thickness ratio and high hardness and brittleness alloy, different numbers of electrodes are arranged laterally along the movable supporting beam. A high-power current control device is used to realize the sub-regional control of the electric field, thermal field and stress field of the plate/strip; at the same time, the movable supporting beam and tension sensor are used to test the working conditions of the plate/strips with different lengths and widths, to simulate the instantaneous synchronous entanglement process between different fields.Type: GrantFiled: March 23, 2021Date of Patent: October 31, 2023Assignee: YANSHAN UNIVERSITYInventors: Lipo Yang, Gengliang Liu, Hailong Zhang, Jiaxuan Yang, Lei Pan, Yunpeng Liu
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Patent number: 11769772Abstract: An IC structure includes first and second gates, first and second source/drain regions, and an isolation region. The first and second gates each have a first portion extending along a first direction and a second portion extending along a second direction. The first source/drain regions are respectively on opposite sides of the first portion of the first gate. The second source/drain regions are respectively on opposite sides of the first portion of the second gate. The isolation region has a lower portion between a first one of the first source/drain regions and a first one of the second source/drain regions, and an upper portion partially overlapping with the second portion of first gate and the second portion of the second gate. A width of the lower portion is a less than a width of the upper portion.Type: GrantFiled: January 27, 2022Date of Patent: September 26, 2023Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., TSMC NANJING COMPANY LIMITED, TSMC CHINA COMPANY LIMITEDInventors: Tian-Yu Xie, Xin-Yong Wang, Lei Pan, Kuo-Ji Chen
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Publication number: 20230291394Abstract: A circuit includes an input circuit, a level shifter circuit and an output circuit. The input circuit is coupled to a first voltage supply, and configured to receive a first input signal, and to generate at least a second or a third input signal. The level shifter circuit is coupled to the input circuit and a second voltage supply, and configured to receive a first enable signal, the second or third input signal, and to generate a first signal responsive to the first enable signal, the second input signal or the third input signal. The level shifter circuit includes a header circuit coupled to a first node, and is configured to enable or disable the level shifter circuit responsive to the first enable signal. The output circuit is coupled to at least the level shifter circuit and the second voltage supply, and is configured to generate an output signal.Type: ApplicationFiled: May 4, 2022Publication date: September 14, 2023Inventors: Jing DING, Zhang-Ying YAN, Qingchao MENG, Lei PAN
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Patent number: 11736533Abstract: Provided are a method and an apparatus for implementing a call service, an electronic device, and a computer readable storage medium, the method includes: deciding whether a first state of a terminal in an eMSC is consistent with a second state of the terminal in an IMS; if they are inconsistent, sending a registration request to the IMS to cause the terminal to complete an initial call service, wherein the eMSC does not subscribe to registration state information in the IMS.Type: GrantFiled: March 31, 2021Date of Patent: August 22, 2023Assignee: ZTE CORPORATIONInventors: Yongsheng Miao, Jingxiang Liu, Lei Pan
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Publication number: 20230253785Abstract: An integrated circuit includes a control circuit and first to second voltage generation circuits. The control circuit is coupled between a first voltage terminal providing a first supply voltage and a first node coupled to a first capacitive unit. The first voltage generation circuit includes at least one first transistor that has a source terminal receiving a second supply voltage, a drain terminal coupled to a second node in contact with a second capacitive unit, and a gate terminal coupled to the first node. The second voltage generation circuit is coupled to the first voltage terminal and the first and second nodes. Firstly the control circuit turns on the at least one first transistor to adjust a voltage level of the second node to have the second supply voltage. The second voltage generation circuit adjusts a voltage level of the first node to have the first supply voltage.Type: ApplicationFiled: April 19, 2023Publication date: August 10, 2023Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC NANJING COMPANY LIMITED, TSMC CHINA COMPANY LIMITEDInventors: Kai ZHOU, Lei PAN, Ya-Qi MA, Zhang-Ying YAN
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Publication number: 20230238953Abstract: In a method of operating a circuit, at a beginning of a first edge of a driving signal, a first transistor is turned ON to pull, at a first changing rate, a voltage of the driving signal on the first edge from a first voltage toward a second voltage. Then, in response to the voltage of the driving signal on the first edge reaching a threshold voltage between the first voltage and the second voltage, the first transistor is turned OFF and an output circuit is caused to start a second edge of an output signal in response to the first edge of the driving signal. The second edge has a slew rate corresponding to a second changing rate of the voltage of the driving signal on the first edge from the threshold voltage toward the second voltage. The second changing rate is smaller than the first changing rate.Type: ApplicationFiled: March 30, 2023Publication date: July 27, 2023Inventors: Zhen TANG, Lei PAN, Miranda MA
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Patent number: 11699015Abstract: An integrated circuit includes a middle active-region structure between a group-one active-region structure and a group-two active-region structure. The integrated circuit also includes a main circuit, a group-one circuit, and a group-two circuit. The main circuit includes at least one boundary gate-conductor intersecting the middle active-region structure. The group-one circuit includes a group-one isolation structure separating the group-one active-region structure into a first part in the group-one circuit and a second part in a first adjacent circuit. The group-two circuit includes a group-two isolation structure separating the group-two active-region structure into a first part in the group-two circuit and a second part in a second adjacent circuit.Type: GrantFiled: August 3, 2021Date of Patent: July 11, 2023Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC NANJING COMPANY, LIMITED, TSMC CHINA COMPANY, LIMITEDInventors: Huaixin Xian, J. B. Zhang, Yang Zhou, Kai Zhou, Qingchao Meng, Lei Pan
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Patent number: 11695413Abstract: A Schmitt trigger circuit includes a first and second set of transistors, a first and second feedback transistor, and a first and second circuit. The first set of transistors is connected between a first voltage supply and an output node. The first voltage supply has a first voltage. The second set of transistors is connected between the output node and a second voltage supply. The second voltage supply has a second voltage. The first feedback transistor is connected to the output node, a first node and a second node. The second feedback transistor is connected to the output node, a third node and a fourth node. The first circuit is coupled to and configured to supply the second supply voltage to the second node. The second circuit is coupled to and configured to supply the first supply voltage to the fourth node.Type: GrantFiled: October 22, 2021Date of Patent: July 4, 2023Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TAIWAN CHINA COMPANY, LIMITED, TSMC NANJING COMPANY, LIMITEDInventors: Lei Pan, Yaqi Ma, Jing Ding, Zhang-Ying Yan
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Patent number: 11695412Abstract: A device comprises, a first power source providing a first voltage, a second power source providing a second voltage less than the first voltage, a first bias voltage source providing a first bias voltage between the first voltage and the second voltage, a second bias voltage source providing a second bias voltage between the first voltage and the second voltage, the second bias voltage greater than or equal to the first bias voltage. The device also includes an output, a pull up network coupled in series between the first power source and the output pad including: a first gate coupled to the bias voltage source; and a second gate coupled to a signal that varies between first bias voltage and first power source. The device includes and a pull down network coupled between the output pad and second power source and including: a third gate coupled to the second bias voltage source; and a fourth gate coupled to a signal that varies between the second power source and the second bias voltage source.Type: GrantFiled: July 15, 2022Date of Patent: July 4, 2023Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Lei Pan, Zhen Tang, Miranda Ma
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Publication number: 20230207149Abstract: Disclosed herein are charge or electricity generating devices and methods of making and use thereof.Type: ApplicationFiled: June 9, 2021Publication date: June 29, 2023Inventors: Lei Raymond CAO, Lei PAN
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Publication number: 20230198409Abstract: The present disclosure discloses a method for modulating a switch of a converter. The method is applicable to a topological structure of a multiphase stacked interleaved buck converter, and includes: acquiring charge-discharge state information in the topological structure, wherein the charge-discharge state information comprises at least a first charge-discharge state of any one phase primary loop, a second charge-discharge state of a secondary loop corresponding to the any one phase primary loop, a third charge-discharge state of another primary loop, and a fourth charge-discharge state of another secondary loop; and adjusting, based on the first charge-discharge state, a closed state of a switch disposed on a bridge arm connected to the any one phase primary loop, and adjusting, based on the second charge-discharge state and the third charge-discharge state, a closed state of a switch disposed on another bridge arm.Type: ApplicationFiled: July 29, 2022Publication date: June 22, 2023Inventors: Lei PAN, Hexu SUN, Yan DONG, Yi PANG, Jingmei ZHANG, Jianwei CHEN, Weilin LI, Aosen HU
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Publication number: 20230186606Abstract: Provided is a method for feature extraction of a remote sensing image based on tensor collaborative graph discriminant analysis, including: taking each of pixels as a center for intercepting a three-dimensional tensor data block; dividing experimental data into a training set and a test set in proportion; computing a Euclidean distance between a current training pixel and each class of training data; configuring a L2 norm collaborative representation model with a weight constraint; acquiring a projection matrix of each dimension of each of the three-dimensional tensor data block; and utilizing a low-dimensional projection matrix to obtain a training set and a test set, expanding the training set and the test set into a form of column vectors according to a feature dimension, inputting extracted low-dimensional features into a support vector machine classifier for classification, to determine a class of the test set, and evaluating, by a classification effect, performance of feature extraction.Type: ApplicationFiled: March 8, 2021Publication date: June 15, 2023Inventors: Lei PAN, Xiang DAI, Lican DAI, Ying CUI, Lu YANG, Weiqing CHEN, Xiang GAO
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Publication number: 20230178157Abstract: Methods, systems, and devices for external power functionality techniques for memory devices are described. A memory system, which may be coupled to a first power source associated with a first voltage, may detect whether a second power source associated with a second voltage higher than the first voltage is available. The memory device may activate a functionality to use the second power source for the access operations if the second power source is available, and the memory device may then perform one or more access operations using the second voltage from the second power source based on the activated functionality.Type: ApplicationFiled: August 27, 2020Publication date: June 8, 2023Inventor: Lei Pan
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Patent number: 11652348Abstract: An integrated circuit includes a control circuit, a first voltage generation circuit, and a second voltage generation circuit. The control circuit is coupled between a first voltage terminal and a first node, and generates an initiation voltage at the first node. The first voltage generation circuit and the second voltage generation circuit are coupled to a first capacitive unit at the first node and coupled to a second capacitive unit at a second node. The first voltage generation circuit generates, in response to the initiation voltage at the first node, a first control signal based on a first supply voltage to the second voltage generation circuit. The second voltage generation circuit generates, in response to the first control signal received from the first voltage generation circuit, a second control signal to the first node, based on a second supply voltage.Type: GrantFiled: January 6, 2021Date of Patent: May 16, 2023Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC NANJING COMPANY LIMITED, TSMC CHINA COMPANY LIMITEDInventors: Kai Zhou, Lei Pan, Ya-Qi Ma, Zhang-Ying Yan
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Publication number: 20230117864Abstract: Provided are a method and an apparatus for implementing a call service, an electronic device, and a computer readable storage medium, the method includes: deciding whether a first state of a terminal in an eMSC is consistent with a second state of the terminal in an IMS; if they are inconsistent, sending a registration request to the IMS to cause the terminal to complete an initial call service, wherein the eMSC does not subscribe to registration state information in the IMS.Type: ApplicationFiled: March 31, 2021Publication date: April 20, 2023Inventors: Yongsheng MIAO, Jingxiang LIU, Lei PAN
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Publication number: 20230114877Abstract: Provided is a method for feature extraction of a hyperspectral images based on unsupervised latent low-rank projection learning, including: dividing hyperspectral images data into a training set and a test set in proportion; configuring a robust weight function, constructing a spectral constraint matrix according to the training set, and constructing a graph regularization constraint according to a locality preserving projection rule; approximately decompose row representation coefficients of a latent low-rank representation model, constructing a latent low-rank projection learning model in combination with the spectral constraint matrix and the graph regularization constraint; optimizing and solving the latent low-rank projection learning model; and outputting classes of all samples in the test set, and taking low-dimensional features of the training set as training samples of a support vector machine, to classify low-dimensional features of the test set, and evaluating, by the quality of classification resuType: ApplicationFiled: March 8, 2021Publication date: April 13, 2023Inventors: Lei PAN, Ying CUI, Xifeng HUANG, Kan WANG, Hongzhou LIAO, Chunbao LI, Weiqing CHEN
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Patent number: 11626872Abstract: A circuit includes first to third transistors. The first transistor includes a first terminal coupled to a first voltage, and a second terminal coupled to a connection. The second transistor includes a gate terminal coupled to the gate terminal of the first transistor, a first terminal coupled to a second voltage, and a second terminal coupled to the connection. The third transistor includes a first terminal coupled to the connection, a second terminal coupled to a node between the second terminals of the first and second transistors. The third transistor is controlled to be turned ON at a beginning of a first edge of a driving signal on the connection to pull a voltage of the driving signal on the first edge toward a threshold voltage, and be turned OFF in response to and after the voltage of the driving signal on the first edge reaching the threshold voltage.Type: GrantFiled: July 8, 2021Date of Patent: April 11, 2023Assignees: TSMC CHINA COMPANY, LIMITED, TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Zhen Tang, Lei Pan, Miranda Ma
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Publication number: 20230088282Abstract: An integrated circuit (IC) device includes a first substrate, a through substrate via (TSV) in the first substrate, and a first antenna effect protection circuit over the first substrate and electrically coupled to the TSV. The first antenna effect protection circuit includes at least one first transistor of a first type, and at least one second transistor of a second type different from the first type. A gate terminal, a first terminal and a second terminal of each of the at least one first transistor and the at least one second transistor are electrically coupled together, and to the TSV.Type: ApplicationFiled: November 9, 2021Publication date: March 23, 2023Inventors: CunCun CHEN, XinYong WANG, Yaqi MA, Lei PAN, MingJian WANG, JiaLiang ZHONG
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Publication number: 20230089792Abstract: A Schmitt trigger circuit includes a first and second set of transistors, a first and second feedback transistor, and a first and second circuit. The first set of transistors is connected between a first voltage supply and an output node. The first voltage supply has a first voltage. The second set of transistors is connected between the output node and a second voltage supply. The second voltage supply has a second voltage. The first feedback transistor is connected to the output node, a first node and a second node. The second feedback transistor is connected to the output node, a third node and a fourth node. The first circuit is coupled to and configured to supply the second supply voltage to the second node. The second circuit is coupled to and configured to supply the first supply voltage to the fourth node.Type: ApplicationFiled: October 22, 2021Publication date: March 23, 2023Inventors: Lei PAN, Yaqi MA, Jing DING, Zhang-Ying YAN
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Publication number: 20230074219Abstract: A sensor module includes a housing having a first cavity and a second cavity that are in communication with each other, a liquid level sensing module mounted on the housing and sensing liquid level related information when liquid flows into the second cavity, a turbidity sensing module mounted on a section of the housing having the first cavity, and a temperature sensing module integrated with the turbidity sensing module and sensing temperature related information of the liquid when the liquid flows into the first cavity. The turbidity sensing module includes a light transmitting unit and a light receiving unit that are located on opposite sides of the first cavity to allow light emitted from the light transmitting unit to pass through the first cavity and to be received by the light receiving unit.Type: ApplicationFiled: September 6, 2022Publication date: March 9, 2023Applicants: Tyco Electronics (Shanghai) Co., Ltd., TE Connectivity Solutions GmbHInventors: Lei Pan, Weifeng Bian, Tian (Sam) Xia, Rajendra Pai