Patents by Inventor An-Hsiu Lee

An-Hsiu Lee 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).

  • Patent number: 11587623
    Abstract: A content-address memory (CAM) and an operation method are provided. The content-address memory comprises: a plurality of first signal lines; a plurality of second signal lines; and a plurality of CAM memory cells coupled to the first signal lines and the second signal lines, wherein in data match, a plurality of input signals are input into the CAM memory cells via the first signal lines; the input signals are compared with contents stored in the CAM memory cells; and a match result is determined based on an electrical characteristic of the second signal lines.
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: February 21, 2023
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Po-Hao Tseng, Yu-Hsuan Lin, Feng-Min Lee, Ming-Hsiu Lee
  • Patent number: 11587611
    Abstract: A memory device for data searching and a data searching method thereof are provided. The data searching method includes the following steps. A searching word is received and then divided into a plurality of sections. The sections are encoded as a plurality of encoded sections, so that the encoded sections may correspond to a plurality of memory blocks in a memory array. The encoded sections are directed into the memory blocks to perform data comparisons and obtaining a respective result of data comparison. Thereafter, addresses of bit lines which match the searching word are obtained according to respective result of data comparison for each of memory block.
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: February 21, 2023
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Ming-Hsiu Lee, Po-Hao Tseng, Yu-Hsuan Lin
  • Patent number: 11586418
    Abstract: A random number generator, a random number generating circuit, and a random number generating method are provided. The random number generating circuit includes the random number generator and executes the random number generating method. The random number generator includes a shift register having N storage elements and a combinational logic circuit. The N storage elements receive a random seed in a static state and repetitively perform a bit shift operation in a plurality of clock cycles. The combinational logic circuit generates an output sequence based on the random seed and a random bitstream received from an external source.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: February 21, 2023
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Po-Hao Tseng, Ming-Hsiu Lee, Yu-Hsuan Lin
  • Publication number: 20230045495
    Abstract: A memory device includes a stack and a plurality of memory strings. The stack is disposed on the substrate, and the stack includes a plurality of conductive layers and a plurality of insulating layers alternately stacked. The memory strings pass through the stack along a first direction, wherein a first memory string in the memory strings includes a first conductive pillar and a second conductive pillar, a channel layer, and a memory structure. The first conductive pillar and the second conductive pillar respectively extend along the first direction and are separated from each other. The channel layer is disposed between the first conductive pillar and the second conductive pillar. The memory structure surrounds the second conductive pillar, and the memory structure includes a resistive memory material.
    Type: Application
    Filed: August 3, 2021
    Publication date: February 9, 2023
    Inventors: Feng-Min LEE, Erh-Kun LAI, Dai-Ying LEE, Yu-Hsuan LIN, Po-Hao TSENG, Ming-Hsiu LEE
  • Publication number: 20230038997
    Abstract: A hanging device includes an accommodation main body, a sliding assembly, a hook, and the accommodation main body that includes two parallel sidewalls, in which a first vertical path is defined between the two sidewalls. The sliding assembly is movably connected between the two sidewalls to move relative to the main body along the first vertical path. The sliding assembly further includes a sliding rail which defines a second vertical path, and the hook is movably connected to the sliding rail to move relative to the sliding assembly along the second vertical path.
    Type: Application
    Filed: April 1, 2022
    Publication date: February 9, 2023
    Inventors: Chen-Hsiu LEE, Chih-Jui CHEN, Chia-Hsing CHEN, Chiu-Chin CHANG, Kuan-Lung WU, Li-Hsiu CHEN, Wen-Yin TSAI
  • Publication number: 20230040488
    Abstract: An airtight device includes a container and an airtight cover on the container, and the airtight cover includes a fixing bracket, a door, and a pressuring handle. The fixing bracket has a through hole and a guiding slot, and the through hole communicates with internal space of the container. The guiding slot has adjacent first and second top surfaces, and the second top surface is higher than the first top surface. The door selectively covers the through hole. The pressuring handle pivoted on the door has a first section, a second section, and a rotating axis between the first and second sections, and the first section rotates relative to the second section. The second section receives a force to drive the first section to move from below the second top surface to below the first top surface such that the rotating axis pressures the door.
    Type: Application
    Filed: April 1, 2022
    Publication date: February 9, 2023
    Inventors: Chia-Hsing CHEN, Chiu-Chin CHANG, Yan-Hui JIAN, Chih-Jui CHEN, Chen-Hsiu LEE, Hsuan-Ting LIU, Chin-Lung LIU, Kuan-Lung WU, Li-Hsiu CHEN, Wen-Yin TSAI
  • Publication number: 20230036141
    Abstract: The application provides a content addressable memory (CAM) cell, a CAM memory device and an operation method thereof, and a method for searching and comparing data. The CAM cell includes a first flash memory cell having a first terminal for receiving a first search voltage; and a second flash memory cell having a first terminal for receiving a second search voltage, a second terminal of the first flash memory cell electrically connected to a second terminal of the second flash memory cell, wherein the first flash memory cell and the second flash memory cell are serially connected; and a storage data of the CAM cell is based on a combination of a plurality of threshold voltages of the first flash memory cell and the second flash memory cell.
    Type: Application
    Filed: November 12, 2021
    Publication date: February 2, 2023
    Inventors: Po-Hao TSENG, Feng-Min LEE, Ming-Hsiu Lee
  • Patent number: 11564757
    Abstract: A robotic surgery system includes: (1) a positioning stage and (2) at least one manipulator arm mounted to the positioning stage, wherein the manipulator arm includes a track and a tool carriage moveably mounted to the track, and the tool carriage includes a base and a pair of light emitting devices mounted to the base.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: January 31, 2023
    Assignee: The Regents of the University of California
    Inventors: Tsu-Chin Tsao, Cheng-Wei Chen, Yu-Hsiu Lee, Matthew Gerber, Jean-Pierre Hubschman
  • Patent number: 11569227
    Abstract: A three-way switch array structure including N first connectors, M second connectors, N×M third connectors and N×M three-way switches is provided, each three-way switch has a first terminal, a second terminal, a third terminal, a first switch and a second switch. Each of first terminals is disposed on one of the first connectors, each of second terminals is disposed on one of the second connectors, and each of third terminals is disposed on one of the third connectors, the first switch is disposed between the first terminal and the third terminal, and the second switch is disposed between the second terminal and the third terminal, wherein N and M are positive integers greater than or equal to 1.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: January 31, 2023
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Shih-Hung Chen, Ming-Hsiu Lee
  • Publication number: 20230022008
    Abstract: A memory device for data searching and a data searching method thereof are provided. The data searching method includes the following steps. A searching word is received and then divided into a plurality of sections. The sections are encoded as a plurality of encoded sections, so that the encoded sections may correspond to a plurality of memory blocks in a memory array. The encoded sections are directed into the memory blocks to perform data comparisons and obtaining a respective result of data comparison. Thereafter, addresses of bit lines which match the searching word are obtained according to respective result of data comparison for each of memory block.
    Type: Application
    Filed: July 20, 2021
    Publication date: January 26, 2023
    Inventors: Ming-Hsiu LEE, Po-Hao TSENG, Yu-Hsuan LIN
  • Patent number: 11557354
    Abstract: A flash memory cell includes a rectifying device and a transistor. The rectifying device has an input end coupled to a bit line. The transistor has a charge storage structure. The transistor has a first end coupled to an output end of the rectifying device, the transistor has a second end coupled to a source line, and a control end of the transistor is coupled to a word line.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: January 17, 2023
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Feng-Min Lee, Po-Hao Tseng, Yu-Hsuan Lin, Ming-Hsiu Lee
  • Patent number: 11532337
    Abstract: A multilevel content addressable memory, a multilevel coding method and a multilevel searching method are provided. The multilevel coding method includes the following steps. A highest decimal value of a multilevel-bit binary data is obtained. A length of a digital string data is set as being the highest decimal value of the multilevel-bit binary data. The multilevel-bit binary data is converted into the digital string data. If a content of the multilevel-bit binary data is an exact value, a number of an indicating bit in the digital string data is the exact value.
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: December 20, 2022
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Ming-Hsiu Lee, Po-Hao Tseng
  • Publication number: 20220366988
    Abstract: A content-address memory (CAM) and an operation method are provided. The content-address memory comprises: a plurality of first signal lines; a plurality of second signal lines; and a plurality of CAM memory cells coupled to the first signal lines and the second signal lines, wherein in data match, a plurality of input signals are input into the CAM memory cells via the first signal lines; the input signals are compared with contents stored in the CAM memory cells; and a match result is determined based on an electrical characteristic of the second signal lines.
    Type: Application
    Filed: May 14, 2021
    Publication date: November 17, 2022
    Inventors: Po-Hao TSENG, Yu-Hsuan LIN, Feng-Min LEE, Ming-Hsiu Lee
  • Publication number: 20220359016
    Abstract: A storage device for generating an identity code and an identity code generating method are disclosed. The storage device includes a first storage circuit, a second storage circuit and a reading circuit. The first storage circuit stores a plurality of first data and the first data have a plurality of bits. The second storage circuit stores a plurality of second data and the second data have a plurality of bits. The reading circuit reads the second data from the second storage circuit to form a first sequence, selects a first portion of the first data according to the first sequence, reads the first portion of the first data from the first storage circuit to form a target sequence and outputs the target sequence to serve as an identity code.
    Type: Application
    Filed: July 29, 2021
    Publication date: November 10, 2022
    Inventors: Yu-Hsuan LIN, Dai-Ying LEE, Ming-Hsiu LEE
  • Publication number: 20220246607
    Abstract: A three-way switch array structure including N first connectors, M second connectors, N×M third connectors and N×M three-way switches is provided, each three-way switch has a first terminal, a second terminal, a third terminal, a first switch and a second switch. Each of first terminals is disposed on one of the first connectors, each of second terminals is disposed on one of the second connectors, and each of third terminals is disposed on one of the third connectors, the first switch is disposed between the first terminal and the third terminal, and the second switch is disposed between the second terminal and the third terminal, wherein N and M are positive integers greater than or equal to 1.
    Type: Application
    Filed: February 3, 2021
    Publication date: August 4, 2022
    Inventors: Shih-Hung CHEN, Ming-Hsiu LEE
  • Publication number: 20220246218
    Abstract: A flash memory cell includes a rectifying device and a transistor. The rectifying device has an input end coupled to a bit line. The transistor has a charge storage structure. The transistor has a first end coupled to an output end of the rectifying device, the transistor has a second end coupled to a source line, and a control end of the transistor is coupled to a word line.
    Type: Application
    Filed: February 3, 2021
    Publication date: August 4, 2022
    Applicant: MACRONIX International Co., Ltd.
    Inventors: Feng-Min Lee, Po-Hao Tseng, Yu-Hsuan Lin, Ming-Hsiu Lee
  • Publication number: 20220238151
    Abstract: An in-memory computation device and computation method are provided. The in-memory computation device, including a memory cell array, an input buffer, and a sense amplifier, is provided. The memory cell array includes a memory cell block. The memory cell block corresponds to at least one word line, and stores multiple weight values. Memory cells on the memory cell block respectively store multiple bits of each weight value. The input buffer is coupled to multiple bit lines, and respectively transmits multiple input signals to the bit lines. The memory cell array performs a multiply-add operation on the input signals and the weight values to generate multiple first operation results corresponding to multiple bit orders. The sense amplifier adds the first operation results to generate a second operation result according to the bit orders corresponding to the first operation results.
    Type: Application
    Filed: June 10, 2021
    Publication date: July 28, 2022
    Applicant: MACRONIX International Co., Ltd.
    Inventors: Yu-Hsuan Lin, Po-Hao Tseng, Feng-Min Lee, Ming-Hsiu Lee
  • Publication number: 20220237405
    Abstract: A data recognition apparatus and a recognition method are provided. The data recognition apparatus includes a data augmentation device, a feature extractor, and a comparator. The data augmentation device receives a plurality of target information and performs augmentation on each of the target information to generate a plurality of augmented target information. The feature extractor receives queried information and the augmented target information to extract features of the augmented target information and the queried information to respectively generate a plurality of augmented target feature values and a queried feature value. The comparator generates a recognition result according to the queried feature value and the augmented target feature values.
    Type: Application
    Filed: June 10, 2021
    Publication date: July 28, 2022
    Applicant: MACRONIX International Co., Ltd.
    Inventors: Yun-Yuan Wang, Feng-Min Lee, Po-Hao Tseng, Ming-Hsiu Lee
  • Patent number: 11395962
    Abstract: A virtual reality (VR) controller includes a handle, a side housing, and a switch. The side housing has a fixed portion and a flexible portion. The fixed portion is fixed to the handle, and a contour of the side housing extending toward the handle conforms to a shape of a palm. The switch is disposed between the handle and the side housing. The flexible portion is deformed to trigger the switch when the handle and the side housing are held and a force is applied to the flexible portion relative to the handle. In other words, the flexible portion abutting against the palm is deformed to trigger the switch when the handle and the side housing are held and a force is applied, relative to the flexible portion, to one side of the handle far away from the flexible portion.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: July 26, 2022
    Assignee: HTC Corporation
    Inventors: Jui-Hsiang Lin, Chang-Hua Wei, Shih-Hsiu Lee
  • Publication number: 20220199490
    Abstract: A semiconductor structure and a manufacturing method for the same. The semiconductor structure includes a plug element and a via element. The plug element includes a tungsten plug. The plug element has a plug size in a lateral direction. The via element is electrically connected on the plug element. The via element is non-symmetrical with respect a center line of the plug element extending along a longitudinal direction. The via element has a via size in the lateral direction. The plug size is bigger than the via size.
    Type: Application
    Filed: March 8, 2022
    Publication date: June 23, 2022
    Inventors: Dai-Ying LEE, Ming-Hsiu LEE