Patents by Inventor Long Zhang

Long Zhang 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: 12366614
    Abstract: A horizontal Hall device includes a substrate layer and a BOX layer arranged on the substrate layer, where an epitaxial layer is arranged on the BOX layer, a well layer is arranged on the epitaxial layer, an STI layer is arranged on the well layer, a pair of induction electrodes and a pair of bias electrodes are arranged on the STI layer, ground electrodes are arranged on the epitaxial layer, and current barrier layers are arranged between the induction electrodes and the adjacent bias electrodes.
    Type: Grant
    Filed: March 18, 2024
    Date of Patent: July 22, 2025
    Assignee: SOUTHEAST UNIVERSITY
    Inventors: Long Zhang, Weifeng Sun, Siyang Liu, Guiqiang Zheng, Yichen Li, Xueqi Li, Longxing Shi
  • Patent number: 12360070
    Abstract: An in-situ evaluation method and system for loess collapsibility based on non-destructive time-domain reflection technology, includes: calculating loess dry density and mass water content; considering loess dry density, mass water content and basic physical property indicators, and evaluating loess collapsibility in situ through mathematical models. The loess collapsibility in-situ evaluation method based on the non-destructive time domain reflectometry technology of the present invention can not only realize whether the loess has collapsibility, but also has the potential to distinguish strong, medium and slight collapsibility.
    Type: Grant
    Filed: April 13, 2023
    Date of Patent: July 15, 2025
    Assignees: CHINA JIKAN RESEARCH INSTITUTE OF ENGINEERING INVESTIGATIONS AND DESIGN Co., Ltd, Xi'an Jiaotong University
    Inventors: Jie Cao, Jiwen Zhang, Zaixin Wan, Qingyi Mu, Jianguo Zheng, Yuanqiang Zhou, Peng Gao, Dongjing Wang, Shuai Liu, Long Zhang, Zhi Liu, Xiao Dong, Jiao Lin, Hui Li, Lei Ran, Teng Yang, Jian Chen
  • Patent number: 12363483
    Abstract: The present invention provides a speaker including a first frame, a second frame forming a receiving room with the first frame, a first vibration system, a second vibration system, and a magnetic circuit system. The first vibration system includes a first diaphragm and a first voice coil. The second vibration system includes a second diaphragm and a second voice coil. Winding planes of the first voice coil and the second voice coil are parallel to a vibration direction of the first diaphragm. Taking a center point of the speaker as the center, a structure of the first voice coil is centrosymmetric with the structure of the second voice coil. The speaker of the present invention is narrower in size, the upper and lower amplitudes are synchronized, and the functions are diverse. The two diaphragms can be driven separately to achieve the effect of sensitivity superposition.
    Type: Grant
    Filed: May 25, 2023
    Date of Patent: July 15, 2025
    Assignee: AAC Microtech (Changzhou) Co., Ltd.
    Inventors: Xiwen Du, Long Zhang, Yu Qi
  • Patent number: 12356171
    Abstract: The present invention provides a sounding device having a frame, a vibration system, a magnetic circuit system, a front cover, a waterproof sealing ring and a waterproof and breathable spacer. The front cover includes a front cover body, a first through hole and a second through hole running through the front cover body, and a support wall of the front cover body. The waterproof and breathable spacer is fixed to the front cover body and completely covers the second through hole, the second through hole connects the front sound cavity with the back cavity. Compared with the related art, the sounding device of the to present invention is easy to assemble, has good waterproof performance, high reliability, and excellent acoustic performance.
    Type: Grant
    Filed: June 13, 2023
    Date of Patent: July 8, 2025
    Assignee: AAC Microtech (Changzhou) Co., Ltd.
    Inventors: Long Zhang, Xiwen Du, Xianjie Dong
  • Publication number: 20250191609
    Abstract: A suspension assembly having a load beam that includes a lower surface, proximal end terminating in a hinge, a distal end, and a sag bend between the proximal end and the distal end. A base plate includes a distal end connected to the hinge. A gimbal includes a base portion that includes middle struts where proximal ends of the middle struts are welded to the load beam at locations adjacent the sag bend, and a distal end welded to the distal end of the load beam. When the middle struts are positioned in a neutral position, a gap G between an upper surface of the middle struts and a plane defined by the lower surface of the load beam does not exceed 10 ?m for any point along the middle struts that are within a distance D of 0.5 mm from the sag bend.
    Type: Application
    Filed: December 6, 2024
    Publication date: June 12, 2025
    Inventors: Jeffry S. Bennin, Kuen Chee Ee, Long Zhang
  • Publication number: 20250155251
    Abstract: A method for displaying a navigation route, performed by a user terminal, includes displaying, for performing navigation planning with respect to a vehicle, a start point label indicating a start location of the navigation planning and an end point label indicating an end location of the navigation planning; displaying at least one navigation route planned from the start point label to the end point label; and displaying, for a target navigation route in the at least one navigation route, a first energy replenishment location label indicating a waypoint of the target navigation route, on the target navigation route, wherein the waypoint corresponds to a driving energy replenishment location for the vehicle.
    Type: Application
    Filed: January 17, 2025
    Publication date: May 15, 2025
    Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Long ZHANG, Weizheng Li, Hongchao Zhao, Wei Huang, Chunhua Lv
  • Patent number: 12298014
    Abstract: Disclosed is a heating device, including a housing, and an electrothermal film and a fan arranged in the housing, wherein the fan is located at a bottom of the electrothermal film, the fan is provided with an air inlet facing upwards and an air outlet facing forwards, and the housing is provided with a vent hole at a position corresponding to the air outlet.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: May 13, 2025
    Assignee: Gree Electric Appliances, Inc. of Zhuhai
    Inventors: Long Zhang, Bo Yu, Yuye Luo, Jian Zhang
  • Publication number: 20250150750
    Abstract: The present disclosure discloses an earphone core having a frame with a receiving space and a magnet unit and a vibration unit both fixed on the frame. The magnet unit includes a yoke and the first magnet. The vibration unit includes a diaphragm and a coil fixed on the diaphragm; a MEMS tweeter for providing high frequency sound is mounted on the first magnet the MEMS tweeter, the coil and the diaphragm are coaxially arranged along a vibration direction of the diaphragm. An axial height of the earphone core is effectively reduced, thereby saving its occupied space when applied in TWS earphone products.
    Type: Application
    Filed: July 26, 2022
    Publication date: May 8, 2025
    Inventors: Ronglin Linghu, Long Zhang, Xianjie Dong
  • Patent number: 12256123
    Abstract: The disclosed embodiments relate to a behavior control method and apparatus for a virtual live streaming character. In an embodiment, a method comprises: acquiring viewer behavior data of a live streaming service, and determining atmosphere data of the live streaming service according to the viewer behavior data; acquiring scenario data of the live streaming service, using the viewer behavior data, the atmosphere data, and the scenario data as behavior decision input data, and performing multi-modal feedback behavior decision-making based on the behavior decision input data to acquire a behavior control instruction; and performing a corresponding behavior operation according to the behavior control instruction.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: March 18, 2025
    Assignee: ALIBABA (CHINA) CO., LTD.
    Inventors: Xinxing Zu, Long Zhang, Zhongzhou Zhao, Ji Zhang, Zhiyong Xiao
  • Publication number: 20250069622
    Abstract: A suspension assembly includes a load beam terminating in a hinge, a gimbal assembly mounted to the load beam, and a base plate connected to the hinge and including an opening. A PZT actuator is disposed in the opening and includes first and second opposing ends. The PZT actuator includes active and inactive regions both extending between the first and second opposing ends, PZT material disposed in both the active and inactive regions, and first and second electrodes configured to cause active expansion and contraction of the PZT material in the active region in response to voltage differentials applied to the first and second electrodes, and configured to not cause active expansion and contraction of the PZT material in the inactive region in response to voltage differentials applied to the first and second electrodes of the PZT actuator.
    Type: Application
    Filed: August 13, 2024
    Publication date: February 27, 2025
    Inventors: Kuen Chee Ee, Long Zhang, Treesoon Kotchaplayuk
  • Publication number: 20250068148
    Abstract: A device processing method and system, and a computer device and a readable storage medium. The method includes: upon acquiring configuration recommendation information for a device in a target space, which information is obtained by means of performing analysis on the basis of historical device operation data, pushing and displaying the device configuration recommendation information; in response to a selection operation for at least one device configuration item, the terminal device displaying device control information corresponding to a selected target device configuration item; and in response to a configuration operation for the selected target device configuration item, performing configuration processing on a corresponding device on the basis of the target device configuration item, wherein the device configuration item is generated according to the historical device operation data.
    Type: Application
    Filed: November 11, 2024
    Publication date: February 27, 2025
    Applicant: Lumi United Technology Co., Ltd.
    Inventors: Huifang WU, Long ZHANG, Lu HUANG, Xiaoyi TANG
  • Publication number: 20250069621
    Abstract: Examples of a head stack assembly arm are described herein. The head stack assembly arm includes a load beam in an upper nesting configuration including a lift tab with an inner edge. The head stack assembly arm includes a load beam in a lower nesting configuration including a lift tab with an inner edge, the inner edge of the load beam in the lower nesting configuration is a different size from the inner edge of the load beam in the upper nesting configuration.
    Type: Application
    Filed: January 17, 2023
    Publication date: February 27, 2025
    Inventors: David Glaess, Kuen Chee Ee, Long Zhang
  • Patent number: 12230301
    Abstract: A method of manufacturing a piezoelectric microactuator assembly can include forming a top electrode layer onto a top face of a PZT element and placing a mask at different locations on the top electrode layer. A conductive epoxy can be added in the space between the at least two portions of the mask, and a constraint layer can be applied to the conductive epoxy smaller than the top electrode layer formed on the PZT element. The mask ca be removed, leaving the constraint layer on the conductive epoxy, creating an exposed shelf of the top electrode uncovered by the constraint layer. A bottom electrode layer can be formed onto a bottom face of the PZT element opposite the top electrode layer and the PZT element can be polarized to form an active piezoelectric layer.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: February 18, 2025
    Assignee: Magnecomp Corporation
    Inventors: Peter Hahn, Kuen Chee Ee, Long Zhang
  • Publication number: 20250056834
    Abstract: A manufacturing method for a P-type laterally diffused metal oxide semiconductor device includes: forming a N-type buried layer in a substrate, forming a P-type region located on the N-type buried layer, and forming a mask layer located on the P-type region; patterning the mask layer to form at least two injection windows; performing N-type ion implantation by the at least two injection windows; forming an oxide layer; removing the mask layer; performing P-type ion implantation on the P-type region to form a P-type doped region; diffusing the P-type doped region to form a drift region and two P-type well regions, diffusing the high-voltage N-well doped region to form a high-voltage N-type well region, and diffusing the low-voltage N-well doped region to form a low-voltage N-type well region; and forming a source doped region, a drain doped region, and a gate.
    Type: Application
    Filed: November 30, 2022
    Publication date: February 13, 2025
    Inventors: Long ZHANG, Nailong HE, Yongjiu CUI, Sen ZHANG, Xiaona WANG, Feng LIN, Jie MA, Siyang LIU, Weifeng SUN
  • Patent number: 12192721
    Abstract: The present disclosure discloses a sound device a frame; a vibration system supported on the frame; a magnetic system with a magnetic gap supported on the frame; the vibration system includes a diaphragm assembly having a diaphragm and a coil inserted in the magnetic gap to drive the diaphragm for sound generation; the diaphragm assembly includes a diaphragm holder fixed to the frame and the diaphragm fixed to the diaphragm holder for sound generation; the diaphragm includes a first flat part having an opening, a folded ring part in the shape of a ring on the outside of the first flat part, and an attachment part on the outside of the folded ring part and fixedly connected to the diaphragm holder; the diaphragm assembly also includes a waterproof breathable film fixed to the first flat part, the first flat part includes a first inner edge away from the folded ring part; observed along the vibration direction, the first inner edge is located on the inner side of the coil, and an outer edge of the waterproof br
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: January 7, 2025
    Assignee: AAC Microtech (Changzhou) Co., Ltd.
    Inventors: Long Zhang, Xiwen Du, Lipeng Ma
  • Publication number: 20240395284
    Abstract: A head gimbal assembly includes a gimbal having a base portion and a tongue that are joined together by a neck portion, a circuit mounted on the gimbal, a slider mounted on the tongue and electrically connected to the circuit, a first PZT actuator having a proximal end mounted on a first bonding site of the circuit and a distal end mounted on a second bonding site of the circuit, and a second PZT actuator having a proximal end mounted on a third bonding site of the circuit and a distal end mounted on a fourth bonding site of the circuit. The first and third bonding sites do not overlap with and are not directly supported by the base portion. The second and fourth bonding sites overlap with and are directly supported by the tongue.
    Type: Application
    Filed: May 22, 2024
    Publication date: November 28, 2024
    Inventors: Kuen Chee Ee, Long Zhang, David Glaess, Treesoon Kotchaplayuk
  • Patent number: 12151915
    Abstract: An elevator interactive terminal and an elevator interactive system. The elevator interactive system of the present invention comprises an elevator interactive terminal, configured with a social communication media module, wherein a user is registered as a first registered user in the social communication media module; and a server coupled to a communication bus of an elevator system, configured with the social communication media module and to register an elevator as the second registered user in the social communication media module, wherein, based on the social communication media module, interactive communication is performed between the first registered user on the elevator interactive terminal corresponding to the user and the second registered user on the server corresponding to the elevator.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: November 26, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Dan Qing Sha, Murilo Bonilha, Yi Lin Chen, Jin Lei Ding, Jing Long Zhang, Ke Yang
  • Publication number: 20240383065
    Abstract: Provided are an ultrasonic welding head and a welding device. The ultrasonic welding head comprises a welding surface and a side surface. The welding surface is provided with a first welding tooth. The first welding tooth is configured to weld members to be welded. The side surface has an extension direction which intersects an extension direction of the welding surface. The ultrasonic welding head further comprises a connection surface. The connection surface is connected to the welding surface and the side surface, so as to form an avoidance space to avoid the members to be welded.
    Type: Application
    Filed: July 26, 2024
    Publication date: November 21, 2024
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Zhongbao HUANG, Long ZHANG
  • Publication number: 20240348980
    Abstract: A double-sided sounding device is disclosed. The double-sided sounding device includes an upper vibration system and a lower vibration system. The upper vibration system includes an upper voice coil, and the lower vibration system includes a lower voice coil. The upper voice coil includes a first voice coil and a second voice coil respectively arranged on two opposite sides of the lower voice coil along a direction of a long axis of the double-sided sounding device. The double-sided sounding device reduces the product width, has symmetrical electromagnetic force performances of the upper voice coil and the lower voice coil, and eliminates mutual interferences between the upper voice coil and the lower voice coil when working.
    Type: Application
    Filed: December 7, 2023
    Publication date: October 17, 2024
    Inventors: Long Zhang, Yu Qi, Xiwen Du
  • Patent number: 12119395
    Abstract: An insulated gate bipolar transistor, comprising an anode second conductivity-type region and an anode first conductivity-type region provided on a drift region; the anode first conductivity-type region comprises a first region and a second region, and the anode second conductivity-type region comprises a third region and a fourth region, the dopant concentration of the first region being less than that of the second region, the dopant concentration of the third region being less than that of the fourth region, the third region being provided between the fourth region and a body region, the first region being provided below the fourth region, and the second region being provided below the third region and located between the first region and the body region.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: October 15, 2024
    Assignees: SOUTHEAST UNIVERSITY, CSMC TECHNOLOGIES FAB2 CO., LTD.
    Inventors: Long Zhang, Jie Ma, Yan Gu, Sen Zhang, Jing Zhu, Jinli Gong, Weifeng Sun, Longxing Shi