Patents by Inventor Xiaochun Zhu

Xiaochun Zhu 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: 11790241
    Abstract: In one embodiment, a method of simulating an operation of an artificial neural network on a binary neural network processor includes receiving a binary input vector for a layer including a probabilistic binary weight matrix and performing vector-matrix multiplication of the input vector with the probabilistic binary weight matrix, wherein the multiplication results are modified by simulated binary-neural-processing hardware noise, to generate a binary output vector, where the simulation is performed in the forward pass of a training algorithm for a neural network model for the binary-neural-processing hardware.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: October 17, 2023
    Assignee: QUALCOMM Incorporated
    Inventors: Matthias Reisser, Saurabh Kedar Pitre, Xiaochun Zhu, Edward Harrison Teague, Zhongze Wang, Max Welling
  • Publication number: 20230299684
    Abstract: This application provides a vehicle DC voltage conversion circuit, including a high voltage battery connected in sequence, a primary-side-bridge module, a resonant module, a transformer module and a secondary-side-output module, wherein the secondary-side-output module includes a first voltage unit outputting a first voltage and a second voltage unit outputting a second voltage. The secondary side winding of the transformer is connected with the first voltage unit and the second voltage unit; The circuit also includes a driver module connected with the original side bridge module. The vehicle DC voltage conversion circuit provided in this application can not only output the first voltage, but also output the second voltage at the same time. It has the advantages of small size, high efficiency, low cost and industrialization, and can be widely used in the vehicle 48 V electrical load, such as 48 V vehicle electric heating system, 48 V vehicle cooling fan, and so on.
    Type: Application
    Filed: June 13, 2022
    Publication date: September 21, 2023
    Applicants: Ningbo Geely Royal Engine Components Co., Ltd., Aurobay Technology Co.,Ltd., Zhejiang Geely Holding Group Co., Ltd.
    Inventors: Junqi LIU, Chen YANG, Shubo LI, Lijun WANG, Xiaochun ZHU, Fangke LI, Ruiping WANG, Yige XIAO
  • Patent number: 11583002
    Abstract: The present disclosure relates to electronic cigarettes having vaporizer assembly with “U” shaped air path and methods of using the same. The electronic cigarette includes: mouthpiece assembly, electronic cigarette body, E-liquid storage tank having a negative air pressure cavity and a number of airflow channels forming “U” shaped air path, and the vaporizer assembly. The vaporizer assembly includes: one or more cylindrical E-liquid storage media, and one or more heating elements. The elements are electrically connected to an electrical power supply through negative air pressure activated switch. When a user sucks air from mouthpiece assembly, a negative air pressure is created in the negative air pressure cavity, the negative air pressure activated switch turns on the electrical power supply to the heating elements, and the heating elements vaporize the E-liquid stored in cylindrical E-liquid storage media to generate electronic cigarette vapor for the user through the “U” shaped air path.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: February 21, 2023
    Assignee: SHENZHEN SMACO TECHNOLOGY LIMITED CORPORATION
    Inventor: Xiaochun Zhu
  • Patent number: 11500960
    Abstract: Certain aspects provide a circuit for in-memory computation. The circuit generally includes an in-memory computation array having a plurality of computation circuits, each of the computation circuits being configured to perform a dot product computation. In certain aspects, each of the computation circuits includes a memory cell, a capacitive element, a precharge transistor coupled between an output of the memory cell and the capacitive element, and a read transistor coupled between a read bit line (RBL) and the capacitive element.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: November 15, 2022
    Assignee: QUALCOMM Incorporated
    Inventors: Zhongze Wang, Ye Lu, Yandong Gao, Xiaochun Zhu, Xia Li
  • Patent number: 11494629
    Abstract: Certain aspects provide a circuit for in-memory computation. The circuit generally includes a first memory cell, and a first computation circuit. The first computation circuit may include a first switch having a control input coupled to an output of the first memory cell, a second switch coupled between a node of the first computation circuit and the first switch, a control input of the second switch being coupled to a discharge word-line (DCWL), a capacitive element coupled between the node and a reference potential node, a third switch coupled between the node and a read bit-line (RBL), and a fourth switch coupled between the node and an activation (ACT) line.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: November 8, 2022
    Assignee: QUALCOMM Incorporated
    Inventors: Zhongze Wang, Xia Li, Xiaochun Zhu
  • Publication number: 20220108742
    Abstract: Certain aspects of the present disclosure provide a circuit for in-memory computation.
    Type: Application
    Filed: October 2, 2020
    Publication date: April 7, 2022
    Inventors: Xia LI, Zhongze WANG, Xiaonan CHEN, Xiaochun ZHU
  • Patent number: 11197505
    Abstract: A load and sterilization combination control circuit arranged on a suction device includes a main control unit, a battery management unit, a load output unit, a load detection circuit and an ultraviolet sterilization circuit including an operation switch and an enabled switch connected with the operation switch in series and the main control unit. The load detection unit and the enabled switch are conducted to externally output. When a load of the suction device applied on the load output unit is detected by the main control unit via the load, detection circuit, the operation switch is configured to perform on-off control on the entire ultraviolet sterilization circuit after the enabled switch is turned on. The present disclosure can avoid waste electricity due to misoperation by performing a linkage control thereof and the ultraviolet sterilization circuit can work normally only after by connecting with the load and closing the operation switch.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: December 14, 2021
    Assignee: SHENZHEN KANGERTECH TECHNOLOGY CO., LTD.
    Inventor: Xiaochun Zhu
  • Publication number: 20210233909
    Abstract: Certain aspects of the present disclosure relate to a gate-all-around (GAA) semiconductor device. One example GAA semiconductor device includes a plurality of nanosheet stack structures disposed vertically above a horizontal plane of a substrate, wherein: each nanosheet stack structure of the plurality of nanosheet stack structures comprises one or more nanosheets; the one or more nanosheets of a first nanosheet stack structure of the plurality of nanosheet stack structures comprise a first semiconductor material; and the one or more nanosheets of a second nanosheet stack structure of the plurality of nanosheet stack structures comprise a second semiconductor material different from the first semiconductor material.
    Type: Application
    Filed: January 24, 2020
    Publication date: July 29, 2021
    Inventors: Junjing BAO, Ye LU, Peijie FENG, Chenjie TANG, Xiaochun ZHU
  • Patent number: 11051547
    Abstract: An electronic cigarette has a conduit arranged in a atomizing stem, the conduit has a first segment and a second segment in communication with the first segment, the first segment has a wider inner space than the inner space of the second segment; a storage chamber is inside the atomizing stem and surrounds the conduit; and a heating device arranged inside the inner space of the first segment of the conduit for atomizing an atomizable material coming from the storage chamber.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: July 6, 2021
    Assignee: SHENZHEN KANGER TECHNOLOGY CO., LTD
    Inventor: Xiaochun Zhu
  • Publication number: 20210133549
    Abstract: Certain aspects provide a circuit for in-memory computation. The circuit generally includes a first memory cell, and a first computation circuit. The first computation circuit may include a first switch having a control input coupled to an output of the first memory cell, a second switch coupled between a node of the first computation circuit and the first switch, a control input of the second switch being coupled to a discharge word-line (DCWL), a capacitive element coupled between the node and a reference potential node, a third switch coupled between the node and a read bit-line (RBL), and a fourth switch coupled between the node and an activation (ACT) line.
    Type: Application
    Filed: October 31, 2019
    Publication date: May 6, 2021
    Inventors: Zhongze WANG, Xia LI, Xiaochun ZHU
  • Publication number: 20210120879
    Abstract: A load and sterilization combination control circuit arranged on a suction device includes a main control unit, a battery management unit, a load output unit, a load detection circuit and an ultraviolet sterilization circuit including an operation switch and an enabled switch connected with the operation switch in series and the main control unit. The load detection unit and the enabled switch are conducted to externally output. When a load of the suction device applied on the load output unit is detected by the main control unit via the load, detection circuit, the operation switch is configured to perform on-off control on the entire ultraviolet sterilization circuit after the enabled switch is turned on. The present disclosure can avoid waste electricity due to misoperation by performing a linkage control thereof and the ultraviolet sterilization circuit can work normally only after by connecting with the load and closing the operation switch.
    Type: Application
    Filed: June 8, 2020
    Publication date: April 29, 2021
    Inventor: Xiaochun ZHU
  • Publication number: 20210120870
    Abstract: A sterilization box includes a box body with a receiving room for receiving an electronic cigarette therein, a lid including a sterilization device formed on an end towards the receiving room and configured to sterilize the electronic cigarette, and a locking device including a clamping structure, an inserting structure which includes a pressing member, a first spring abutted against the pressing member to push the pressing member to be reset, an inserting member received in and extending out of the receiving room and including a wedge-shaped upper surface to contact with the pressing member which is buckled with the inserting member and then pushing the inserting member to move along a longitudinal direction of the box body for separating from the clamping structure to quickly open the lid and the box body, which can sterilize the electronic cigarette to ensure users' health with a firmly installation and a small footprint thereof.
    Type: Application
    Filed: May 29, 2020
    Publication date: April 29, 2021
    Inventor: Xiaochun ZHU
  • Publication number: 20210124793
    Abstract: Certain aspects provide a circuit for in-memory computation. The circuit generally includes an in-memory computation array having a plurality of computation circuits, each of the computation circuits being configured to perform a dot product computation. In certain aspects, each of the computation circuits includes a memory cell, a capacitive element, a precharge transistor coupled between an output of the memory cell and the capacitive element, and a read transistor coupled between a read bit line (RBL) and the capacitive element.
    Type: Application
    Filed: October 29, 2019
    Publication date: April 29, 2021
    Inventors: Zhongze WANG, Ye LU, Yandong GAO, Xiaochun ZHU, Xia LI
  • Patent number: 10964380
    Abstract: A memory circuit that includes a memory bitcell. The memory bitcell includes a six-transistor circuit configuration, a first transistor coupled to the six-transistor circuit configuration, a second transistor coupled to the first transistor, a third transistor coupled to the second transistor, and a capacitor coupled to the second transistor and the third transistor. The memory circuit includes a read word line coupled to the third transistor, a read bit line coupled to the third transistor, and an activation line coupled to the second transistor. The memory bitcell may be configured to operate as a NAND memory bitcell. The memory bitcell may be configured to operate as a NOR memory bitcell.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: March 30, 2021
    Assignee: QUALCOMM Incorporated
    Inventors: Zhongze Wang, Yandong Gao, Xia Li, Ye Lu, Xiaochun Zhu, Xiaonan Chen
  • Publication number: 20210073650
    Abstract: In one embodiment, a method of simulating an operation of an artificial neural network on a binary neural network processor includes receiving a binary input vector for a layer including a probabilistic binary weight matrix and performing vector-matrix multiplication of the input vector with the probabilistic binary weight matrix, wherein the multiplication results are modified by simulated binary-neural-processing hardware noise, to generate a binary output vector, where the simulation is performed in the forward pass of a training algorithm for a neural network model for the binary-neural-processing hardware.
    Type: Application
    Filed: September 9, 2020
    Publication date: March 11, 2021
    Inventors: Matthias REISSER, Saurabh Kedar PITRE, Xiaochun ZHU, Edward Harris TEAGUE, Zhongze WANG, Max WELLING
  • Publication number: 20200367558
    Abstract: The present disclosure relates to electronic cigarettes having vaporizer assembly with “U” shaped air path and methods of using the same. The electronic cigarette includes: mouthpiece assembly, electronic cigarette body, E-liquid storage tank having a negative air pressure cavity and a number of airflow channels forming “U” shaped air path, and the vaporizer assembly. The vaporizer assembly includes: one or more cylindrical E-liquid storage media, and one or more heating elements. The elements are electrically connected to an electrical power supply through negative air pressure activated switch. When a user sucks air from mouthpiece assembly, a negative air pressure is created in the negative air pressure cavity, the negative air pressure activated switch turns on the electrical power supply to the heating elements, and the heating elements vaporize the E-liquid stored in cylindrical E-liquid storage media to generate electronic cigarette vapor for the user through the “U” shaped air path.
    Type: Application
    Filed: February 26, 2020
    Publication date: November 26, 2020
    Applicant: SHENZHEN KANGER TECHNOLOGY CO., LTD.
    Inventor: XIAOCHUN ZHU
  • Patent number: 10834965
    Abstract: Certain aspects of present invention relate to a ceramic vaporizer for electronic cigarette and electronic cigarettes having the ceramic vaporizer. In certain embodiments, the ceramic vaporizer may include a cylindrical vaporizer body, and a vaporizer heater. The cylindrical vaporizer body has an interior surface, and an exterior surface. The interior surface forms a central vapor passage and the exterior surface forms an inside wall of an e-liquid storage device. The vaporizer heater is embedded inside the cylindrical vaporizer body. The vaporizer heater may include one or more heating elements configured to heat e-liquid stored in e-liquid storage device and e-liquid is in direct contact with exterior surface of the cylindrical vaporizer body. The one or more heating elements may include certain electrothermal alloys. In certain embodiments, the one or more heating elements may include one or more mesh heating elements, and one or more spiral heating elements.
    Type: Grant
    Filed: January 20, 2016
    Date of Patent: November 17, 2020
    Assignee: SHENZHEN KANGER TECHNOLOGY CO., LTD.
    Inventor: Xiaochun Zhu
  • Patent number: 10834966
    Abstract: Certain aspects of present invention relate to a ceramic vaporizer for e-cigarette and e-cigarettes having ceramic vaporizer with replaceable e-liquid storage medium. In certain embodiments, ceramic vaporizer may include cylindrical vaporizer body, vaporizer heater, and replaceable e-liquid storage medium. Cylindrical vaporizer body has an interior surface, and an exterior surface. Interior surface forms a central vapor passage and exterior surface forms an inside wall of an e-liquid storage device. The vaporizer heater is embedded inside the cylindrical vaporizer body. The vaporizer heater may include one or more heating elements configured to heat e-liquid stored in e-liquid storage device and e-liquid is in direct contact with exterior surface of the cylindrical vaporizer body. The one or more heating elements may include certain electrothermal alloys. In certain embodiments, the one or more heating elements may include one or more mesh heating elements, and one or more spiral heating elements.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: November 17, 2020
    Assignee: SHENZHEN KANGER TECHNOLOGY CO., LTD.
    Inventor: Xiaochun Zhu
  • Patent number: D909669
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: February 2, 2021
    Assignee: SHENZHEN KANGER TECHNOLOGY CO., LTD.
    Inventor: Xiaochun Zhu
  • Patent number: D1010922
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: January 9, 2024
    Inventor: Xiaochun Zhu