Patents by Inventor Wen Hu

Wen Hu 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: 11809838
    Abstract: A memory device and an operation method thereof are provided. The memory device includes: a memory array including a plurality of memory cells for storing a plurality of weights; a multiplication circuit coupled to the memory array, for performing bitwise multiplication on a plurality of input data and the weights to generate a plurality of multiplication results; a counting unit coupled to the multiplication circuit, for performing bitwise counting on the multiplication results to generate a MAC (multiplication and accumulation) operation result.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: November 7, 2023
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Han-Wen Hu, Yung-Chun Lee, Bo-Rong Lin, Huai-Mu Wang
  • Patent number: 11771314
    Abstract: An intraoral scanner includes a projecting module, an image-capturing module, a linkage structure, and a manipulation part. The projecting module includes a first lens device and a light source. Light emitted by the light source is projected out of the intraoral scanner by the first lens device. The image-capturing module includes a second lens device and an image sensor. The image sensor receives the light from the outside of the intraoral scanner through the second lens device. The manipulation part is exposed from the intraoral scanner and is mechanically linked with the first or second lens device through the linkage structure. Therein, the manipulation part is operable to correspondingly move at least one first lens of the first lens device or at least one second lens of the second lens device through the linkage structure, so as to adjust a scanning zone of the intraoral scanner.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: October 3, 2023
    Assignee: Qisda Corporation
    Inventors: Sheng-Wen Hu, Ming-Kuen Lin
  • Publication number: 20230298660
    Abstract: The application provides a sense amplifier and an operation method thereof. The operation method for the sense amplifier includes: during a first phase, initializing a first sensing input voltage and a second input sensing voltage; and recording a first sensing output voltage and a second sensing output voltage of a previous round by charges stored in a plurality of transistors of the sense amplifier; during a second phase, sampling the first sensing output voltage and the second sensing output voltage of a current round as a plurality of transit points; during a first sub-phase of a third phase, amplifying a voltage difference between an input signal and a first reference voltage; and during a second sub-phase of the third phase, pulling the first sensing output voltage and the second sensing output voltage into a full-swing voltage range, and recording charges to the transistors of the sense amplifier.
    Type: Application
    Filed: March 15, 2022
    Publication date: September 21, 2023
    Inventor: Han-Wen HU
  • Patent number: 11732231
    Abstract: The present invention relates to a composite membrane. The composite membrane includes: an elastic polymer substrate having a first surface processed by a surface modification; and a thermosensitive conductive layer formed on the first surface by performing a co-polymerization process, allowing an electrical current to pass through, and altering a hydrophilicity of a membrane surface in response to a change of a temperature.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: August 22, 2023
    Assignee: NATIONAL CENTRAL UNIVERSITY
    Inventors: Wei-Wen Hu, Chia-Wen Tsao
  • Patent number: 11706893
    Abstract: A rotating assembly includes a first handle; the first handle includes a connecting part. The connecting part has first and second extensions and the connecting part is rotatably connected to a box holding one or more devices. The first and second extensions are arranged on opposite sides of the connecting part, the first extension can rotate with the connecting part until it rests on a base, on which base the box is rotatably arranged. The first extension and the second extension extend to both sides of the connecting part to lessen the force required for driving the box to rotate.
    Type: Grant
    Filed: June 10, 2022
    Date of Patent: July 18, 2023
    Assignee: Fulian Precision Electronics (Tianjin) Co., LTD.
    Inventors: Han-Yu Li, Wen-Hu Lu, Ming-Liang Zhang, Li-Yi Yin
  • Publication number: 20230221956
    Abstract: A memory device, includes a memory array for storing a plurality of vector data each of which has an MSB vector and a LSB vector. The memory array includes a plurality of memory units each of which has a first bit and a second bit. The first bit is used to store the MSB vector of each vector data, the second bit is used to store the LSB vector of each vector data. Each vector data is executed with a multiplying-operation, the MSB vector and the LSB vector of each vector data is executed with a first group-counting operation and a second group-counting operation respectively. The threshold voltage distribution of each memory unit is divided into N states, where N is a positive integer and N is less than 2 to the power of 2, the effective bit number stored by each memory unit is less than 2.
    Type: Application
    Filed: June 2, 2022
    Publication date: July 13, 2023
    Inventors: Wei-Chen WANG, Han-Wen HU, Yung-Chun LI, Huai-Mu WANG, Chien-Chung HO, Yuan-Hao CHANG, Tei-Wei KUO
  • Publication number: 20230221882
    Abstract: A memory device, includes a memory array for storing a plurality of vector data each of which has an MSB vector and a LSB vector. The memory array includes a plurality of memory units each of which has a first bit and a second bit. The first bit is used to store the MSB vector of each vector data, the second bit is used to store the LSB vector of each vector data. A bit line corresponding to each vector data executes one time of bit-line-setup, and reads the MSB vector and the LSB vector of each vector data according to the bit line. The threshold voltage distribution of each memory unit is divided into N states, where N is a positive integer and N is less than 2 to the power of 2, and the effective bit number stored by each memory unit is less than 2.
    Type: Application
    Filed: June 2, 2022
    Publication date: July 13, 2023
    Inventors: Wei-Chen WANG, Han-Wen HU, Yung-Chun LI, Huai-Mu WANG, Chien-Chung HO, Yuan-Hao CHANG, Tei-Wei KUO
  • Patent number: 11664058
    Abstract: A memory device and an operation method thereof are provided. The operation method includes: in a first phase, selecting a global signal line, selecting a first string select line, unselecting a second string select line, selecting a first word line, and unselecting a second word line; sensing during a second phase; in a third phase, keeping voltages of the global signal line, the selected first word line and the unselected second word line, unselecting the first string select line and selecting the second string select line to switch voltages of the first and the second string select lines; and sensing during a fourth phase.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: May 30, 2023
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Han-Wen Hu, Yung-Chun Li
  • Patent number: 11656988
    Abstract: A memory device and an operation method thereof are provided. The memory device includes: a plurality of page buffers, storing an input data; a plurality of memory planes coupled to the page buffers, based on received addresses of the memory planes, a plurality of weights stored in the memory planes, the memory planes performing bit multiplication on the weights and the input data in the page buffers in parallel to generate a plurality of bit multiplication results in parallel, the bit multiplication results stored back to the page buffers; and at least one accumulation circuit coupled to the page buffers, for performing bit accumulation on the bit multiplication results of the memory planes in parallel or in sequential to generate a multiply-accumulate (MAC) operation result.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: May 23, 2023
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Han-Wen Hu, Yung-Chun Li, Bo-Rong Lin, Huai-Mu Wang
  • Patent number: 11659680
    Abstract: A suspendable assembly for fixing and holding a server includes a housing, a torsion spring, a limiting frame, a handle, and a shaft. The housing includes a first through hole. The torsion spring is fixed on the housing. The limiting frame clamps the torsion spring. The handle is fixed with the limiting frame, the handle comprising a first hook. The shaft penetrates through the housing, the torsion spring, the handle, and the limiting frame. The first hook is configured to engaged with a second hook to limit the suspendable assembly.
    Type: Grant
    Filed: April 1, 2022
    Date of Patent: May 23, 2023
    Assignee: Fulian Precision Electronics (Tianjin) Co., LTD.
    Inventors: Wen-Hu Lu, Li-Yi Yin, Shu-Tong Wang
  • Patent number: 11653448
    Abstract: A circuit board module includes a first circuit board, a second circuit board facing the first circuit board, a connecting device fixed between the first circuit board and the second circuit board, and an adapter board fixed to the connecting device and disposed between the first circuit board and the second circuit board. The adapter board is inserted into the first circuit board and the second circuit board.
    Type: Grant
    Filed: April 14, 2021
    Date of Patent: May 16, 2023
    Assignee: Fulian Precision Electronics (Tianjin) Co., LTD.
    Inventors: Wen-Hu Lu, Li-Yi Yin, Shu-Tong Wang, Nan Du
  • Patent number: 11647603
    Abstract: A server containing hard disk modules which can be slid into place and which allow connection at the front and at the rear of a housing. The server includes the housing which defines an opening, the hard disk modules, and a plurality of trays. Receiving channels communicating with the opening are defined in the housing, the receiving channels are isolated and arranged side by side and each channel can receive one tray. A hard disk module is positioned in one tray, a front end and a rear end of the housing defines front connection port and rear connection port for cable connections to each hard disk module.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: May 9, 2023
    Assignee: Fulian Precision Electronics (Tianjin) Co., LTD.
    Inventors: Han-Yu Li, Wen-Hu Lu, Shu-Tong Wang, Li-Yi Yin, Gong-Wen Zhang, Yang Li, San-Long Zhou
  • Patent number: 11631467
    Abstract: Methods, devices, and systems for determining read voltages for memory systems are provided. In one aspect, a memory device includes an array of memory cells, an accumulating circuit, and a controller. Each of the memory cells is coupled to a corresponding word line of multiple word lines and a corresponding bit line of multiple bit lines. The accumulating circuit is configured to: when data stored in a page is read out by applying each of a plurality of read voltages on a word line corresponding to the page, accumulate read-out signals from multiple memory cells in the page to generate a respective output value that corresponds to the accumulated read-out signals for the read voltage. The controller is configured to determine a calibrated read voltage for the page based on the respective output values and the plurality of read voltages.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: April 18, 2023
    Assignee: Macronix International Co., Ltd.
    Inventors: Yung-Chun Lee, Yu-Ming Huang, Han-Wen Hu
  • Patent number: 11621241
    Abstract: A bonding element and a method for manufacturing the same thereof are provide, wherein the method comprises the following steps: providing a carrier substrate; forming a first metal layer on the carrier substrate; forming a first insulating layer on the first metal layer, wherein the first insulating layer includes a first through hole; forming a first passivation layer and a first conductive layer in the first through hole, wherein the first passivation layer and the first conductive layer in the first through hole form a first connecting bump; forming a first substrate on the first connection bump and the first insulating layer; removing the carrier substrate and the first metal layer to form a first sub-bonding element; and connecting the first sub-bonding element and a second sub-bonding element with a surface of the first passivation of the first connection bump to form the bonding element.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: April 4, 2023
    Assignee: NATIONAL YANG MING CHIAO TUNG UNIVERSITY
    Inventors: Han-Wen Hu, Demin Liu, Yi-Chieh Tsai, Kuan-Neng Chen
  • Publication number: 20230070194
    Abstract: A suspendable assembly for fixing and holding a server includes a housing, a torsion spring, a limiting frame, a handle, and a shaft. The housing includes a first through hole. The torsion spring is fixed on the housing. The limiting frame clamps the torsion spring. The handle is fixed with the limiting frame, the handle comprising a first hook. The shaft penetrates through the housing, the torsion spring, the handle, and the limiting frame. The first hook is configured to engaged with a second hook to limit the suspendable assembly.
    Type: Application
    Filed: April 1, 2022
    Publication date: March 9, 2023
    Inventors: WEN-HU LU, LI-YI YIN, SHU-TONG WANG
  • Publication number: 20230067530
    Abstract: A structure for mounting a storage device to a server and providing a fast installation and removal of a storage device includes a carrier and a chassis. The carrier includes a rotatable handle with a cam on the axis of rotation and a frame. The cam is connected to the frame. The chassis includes an immovable limiting component. With the carrier mounted in the chassis, rotation of the handle clockwise or counterclockwise pushes the carrier to move, to lock or unlock the carrier because of the limiting component resting against the cam. The structure greatly improves the convenience of the installation and removal of the storage device. A computing device is also disclosed.
    Type: Application
    Filed: August 25, 2022
    Publication date: March 2, 2023
    Inventors: HAN-YU LI, WEN-HU LU, JUN LI, CHEN XING
  • Publication number: 20230055697
    Abstract: A server containing hard disk modules which can be slid into place and which allow connection at the front and at the rear of a housing. The server includes the housing which defines an opening, the hard disk modules, and a plurality of trays. Receiving channels communicating with the opening are defined in the housing, the receiving channels are isolated and arranged side by side and each channel can receive one tray. A hard disk module is positioned in one tray, a front end and a rear end of the housing defines front connection port and rear connection port for cable connections to each hard disk module.
    Type: Application
    Filed: October 29, 2021
    Publication date: February 23, 2023
    Inventors: HAN-YU LI, WEN-HU LU, SHU-TONG WANG, LI-YI YIN, GONG-WEN ZHANG, YANG LI, SAN-LONG ZHOU
  • Publication number: 20230058481
    Abstract: The invention provides a chassis structure, a server, and a method of dissipating heat from server. The chassis structure comprises chassis body, two fan components, two tray components, and a power supply. The chassis body defines a receiving space bounded by two spaced partitions, the two partitions divide the receiving space into a middle cavity and two side cavities. The fan components are at one end of each side cavity and are connected to the chassis body. The two tray components carry slots for inserting hard disks. The power supply is arranged in the middle cavity and supplies power to the hard disks inserted in the slots, the power supply also has a fan, the power supply positioned at one end of the middle cavity.
    Type: Application
    Filed: June 28, 2022
    Publication date: February 23, 2023
    Inventors: HAN-YU LI, WEN-HU LU, LI-YI YIN, MING-LIANG ZHANG, SHU-TONG WANG
  • Patent number: 11579669
    Abstract: A memory module assisting in efficient heat dissipation includes a motherboard, a plurality of fixing devices, a plurality of memory cards, and a plurality of dummy memory cards. The fixing devices are fixed on the motherboard side by side. The memory cards are fixed on some of the fixing devices as necessary, and the dummy memory cards are fixed on the remaining fixing devices which are vacant. The dummy memory cards inserted into the vacant fixing devices prevent the flow of air through the space above the vacant fixing devices. An electronic device including the memory module is also disclosed.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: February 14, 2023
    Assignee: Fulian Precision Electronics (Tianjin) Co., LTD.
    Inventor: Wen-Hu Lu
  • Publication number: 20230029476
    Abstract: A rotating assembly includes a first handle; the first handle includes a connecting part. The connecting part has first and second extensions and the connecting part is rotatably connected to a box holding one or more devices. The first and second extensions are arranged on opposite sides of the connecting part, the first extension can rotate with the connecting part until it rests on a base, on which base the box is rotatably arranged. The first extension and the second extension extend to both sides of the connecting part to lessen the force required for driving the box to rotate.
    Type: Application
    Filed: June 10, 2022
    Publication date: February 2, 2023
    Inventors: HAN-YU LI, WEN-HU LU, MING-LIANG ZHANG, LI-YI YIN