Patents by Inventor Xiao Kan

Xiao Kan 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).

  • Publication number: 20250231214
    Abstract: An acceleration sensor, including a base; anchor point; an inner side supporting unit, a middle part of which is fixed to the base through the anchor point, a first seesaw unit elastically connected to an outer side of a first end of the inner side supporting unit; a second seesaw unit elastically connected to an outer side of a second end of the inner side supporting unit; and an out-of-plane displacement detection unit. Each of the first seesaw unit and the second seesaw unit is symmetrically distributed about a symmetry axis of the acceleration sensor. The first seesaw unit includes two first seesaw structures at two sides of the symmetry axis and the second seesaw unit includes two second seesaw structures at two sides of the symmetry axis. An influence of Y-axis angular acceleration on the acceleration sensor is greatly reduced and a cross inhibition ratio thereof is improved.
    Type: Application
    Filed: August 5, 2024
    Publication date: July 17, 2025
    Inventors: Shitao Yan, Lingcheng Kong, Zhan Zhan, Shan Yang, Zhao Ma, Xiao Kan, Yang Li, Kahkeen Lai, Qiuyu Tan
  • Publication number: 20250230034
    Abstract: Provided is an acceleration sensor, including a base; a first anchor point fixed to a middle part of the base; an inner side mass unit surrounding an outer side of the first anchor point, an outer side mass unit surrounding an outer side of the inner side mass unit, a first seesaw unit and a second seesaw unit arranged opposite to each other to define an annular structure surrounding an outer side of the outer side mass unit, a first acceleration detection unit and a second acceleration detection unit. Part of the first acceleration detection unit is arranged at the annular structure to detect acceleration in an out-of-plane Z-axis direction, the second acceleration detection unit is arranged at the outer side mass unit to detect acceleration in an in-plane X-axis direction and in an in-plane Y-axis direction. A design thereof is reasonable and the sensitivity is high.
    Type: Application
    Filed: August 30, 2024
    Publication date: July 17, 2025
    Inventors: Shitao Yan, Zhan Zhan, Lingcheng Kong, Xiao Kan, Zhao Ma, Shan Yang, Yang Li, Kahkeen Lai, Qiuyu Tan
  • Publication number: 20250231217
    Abstract: An acceleration sensor, including a first acceleration detection unit configured to detect acceleration in an out-of-plane Z-axis direction, a second acceleration detection unit configured to detect acceleration in an in-plane X-axis direction and/or an in-plane Y-axis direction, a base, a connecting arm, a first anchor point, a first elastic member and a second elastic member. The first acceleration detection unit includes a first seesaw unit and a second seesaw unit arranged opposite to each other to define an annular structure. The annular structure surrounds an outer side of the second acceleration detection unit. The first anchor point is located at a middle part of the substrate, and the connection arm is fixed to the substrate through the first anchor point. The connection arm is located between the first acceleration detection unit and the second acceleration detection unit. A structure design thereof is reasonable and the anti-interference capability is great.
    Type: Application
    Filed: August 30, 2024
    Publication date: July 17, 2025
    Inventors: Lingcheng Kong, Shitao Yan, Zhan Zhan, Xiao Kan, Zhao Ma, Shan Yang, Yang Li, Kahkeen Lai, Qiuyu Tan
  • Publication number: 20250156248
    Abstract: Various example embodiments of the inventive concepts provide an Application Programming Interface (API) call method, an API call apparatus, an electronic device, and/or a non-transitory computer readable storage medium. The API call method includes determining, using processing circuitry of an electronic device, one or more rules corresponding to an API from a rule set in response to an API call request from an operating system (OS) of the electronic device associated with the API, the API including an Input/Output Control (ioctl) interface, determining, using the processing circuitry, whether to allow the API call request based on the one or more rules, and executing, using the processing circuitry, a call of the API corresponding to the API call request based on results of the determining.
    Type: Application
    Filed: January 9, 2024
    Publication date: May 15, 2025
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Yanbo LIU, Hongze WU, Xiao KAN, Jingyan JIANG, Yinxiu GUO
  • Publication number: 20250137785
    Abstract: Provided is a fully decoupled MEMS gyroscope, including a base, a sensing unit elastically connected to the base, and a driving unit coupled with the sensing unit and driving the sensing unit to move. The base includes a coupling anchor point located at a center of a rectangle and a coupling structure elastically connected to the coupling anchor point. The driving unit includes four driving members located at inner positions of four corners of the rectangle. The sensing unit includes two X mass blocks symmetrically arranged in two of the avoiding intervals, two Y mass blocks symmetrically arranged in the other two of the avoiding intervals, four Z mass blocks elastically connected to the adjacent driving members and located at the four corners of the rectangle, and four Z detection decoupling members elastically connected to the adjacent Z mass blocks and elastically connected to each other around the rectangle.
    Type: Application
    Filed: August 3, 2022
    Publication date: May 1, 2025
    Inventors: Zhao Ma, Zhan Zhan, Shan Yang, Xiao Kan, Shitao Yan, Hongtao Peng, Yang Li, Kahkeen Lai, Qiuyu Tan
  • Patent number: 12287205
    Abstract: A three-axis MEMS gyroscope includes a substrate, a sensing unit connected with the substrate, and a driving unit driving the sensing unit to move. The substrate includes anchor point structures and coupling structures connected with the anchor point structures. The driving unit includes driving pieces. One ends of each of the driving pieces are elastically connected with an adjacent coupling structure. The sensing unit includes X and Y mass blocks and Z mass blocks. Each of the X and Y mass blocks is arranged in a corresponding avoiding space. The X and Y mass blocks are respectively connected with adjacent coupling structures to form a rectangular frame. The Z mass blocks are connected with the driving pieces and separately arranged on one side of each driving piece away from each anchor point structure. The three-axis MEMS gyroscope is differentially driven, which realizes differential detection and reduces quadrature error.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: April 29, 2025
    Assignee: AAC Kaitai Technologies (Wuhan) CO., LTD
    Inventors: Zhao Ma, Zhan Zhan, Xiao Kan, Shan Yang, Shitao Yan, Hongtao Peng, Yang Li, Kahkeen Lai, Veronica Tan
  • Patent number: 12264915
    Abstract: The invention discloses a MEMS gyroscope, including a substrate, a first unit and a second unit, and the first unit and the second unit are relatively arranged on the substrate along the first direction. The first unit is connected to the second unit through a coupling spring, and the substrate is also provided with a driving electrode and a detection electrode. The first unit includes a first weight and a second weight. The second unit includes the third weight and the fourth weight set oppositely along the second direction. The second set of coupling structures are connected to the third weight and fourth weight. Compared with the prior art, the beneficial effect of the present invention is that the MEMS gyroscope adopts a symmetrical layout, which facilitates the realization of differential detection and improves the sensitivity.
    Type: Grant
    Filed: July 26, 2022
    Date of Patent: April 1, 2025
    Assignee: AAC Kaitai Technologies (Wuhan) CO., LTD
    Inventors: Zhao Ma, Zhan Zhan, Shan Yang, Xiao Kan, Shitao Yan, Yang Li, Hongtao Peng, Kahkeen Lai, Veronica Tan, Yan Hong
  • Patent number: 12222203
    Abstract: Provided is a fully decoupled MEMS gyroscope, including an anchor point unit, a sensing unit elastically connected to the anchor point unit, and a driving unit configured to drive the sensing unit to move. The anchor point unit includes a center anchor point subunit located at a center of a rectangle and four side anchor points. The driving unit includes four driving members located on four sides of the rectangle. The sensing unit includes two X mass blocks symmetrically arranged in two avoiding intervals, two Y mass blocks symmetrically arranged in the other two avoiding intervals, four Z mass blocks respectively located at an outer side of each driving member, and four Z detection decoupling members respectively located at an outer side of each Z mass block. The X mass blocks and the Y mass blocks are respectively connected to each side anchor point.
    Type: Grant
    Filed: December 27, 2022
    Date of Patent: February 11, 2025
    Assignee: AAC Kaitai Technologies (Wuhan) CO., LTD
    Inventors: Zhao Ma, Shitao Yan, Zhan Zhan, Xiao Kan, Shan Yang, Hongtao Peng, Yang Li, Kahkeen Lai, Veronica Tan
  • Patent number: 12203755
    Abstract: A micromachined gyroscope and an electronic product are provided. The micromachined gyroscope includes a driving component, a detecting component, first connecting components, and second connecting components. The driving component includes first driving pieces, second driving pieces, and driving devices driving the first driving pieces and the second driving piece to move. The detecting component includes first detecting pieces arranged along a third direction, second detecting pieces arranged along a fourth direction, and detecting devices for detecting movement distances of the first detecting pieces and/or the second detecting pieces along a fifth direction. Each of the first connecting pieces and the second connecting pieces rotates around a center thereof, so the second detecting pieces and the first detecting pieces respectively reciprocate along the third direction and the fourth direction.
    Type: Grant
    Filed: July 26, 2022
    Date of Patent: January 21, 2025
    Assignee: AAC KAITAI TECHNOLOGIES (WUHAN) CO., LTD
    Inventors: Zhao Ma, Zhan Zhan, Xiao Kan, Shan Yang, Shitao Yan, Hongtao Peng, Yang Li, Kahkeen Lai, Veronica Tan, Yan Hong
  • Publication number: 20240369362
    Abstract: Provided are a micromechanical gyroscope and an electronic product. The micromechanical gyroscope includes a first mass, a plurality of second masses, a plurality of first flexible beams and a plurality of second flexible beams. The first mass is provided with a mounting area, the plurality of second masses are distributed in a first direction, and the plurality of drivers are distributed in first direction and disposed on two opposite sides of the plurality of second masses in first direction. The plurality of drivers and the plurality of second masses are all located within the mounting area, and the first mass surrounds outer sides of the plurality of drivers and outer sides of the plurality of second masses. With the micromechanical gyroscope and the electronic product, the coriolis conversion rate of the first mass 1 can be improved, and the utilization of a chip area can be maximized.
    Type: Application
    Filed: January 10, 2024
    Publication date: November 7, 2024
    Inventors: Zhao Ma, Shan Yang, Shitao Yan, Zhan Zhan, Xiao Kan, Hongtao Peng, Veronica Tan, Yang Li, Kahkeen Lai
  • Patent number: 12130139
    Abstract: A MEMS gyroscope for three-axis detection relates to the technical field of gyroscope and includes a substrate, a sensing unit elastically connected with the substrate, and a driving unit coupled with the sensing unit and driving the sensing unit to move. The substrate includes anchor point structures respectively located at four corners of the substrate and four coupling structures respectively elastically connected with the four anchor point structures. An avoiding space is formed between two adjacent coupling structures. The driving unit includes two driving pieces separately elastically connected with adjacent coupling structures. The two driving pieces are symmetrically arranged and are frame-shaped. The sensing unit includes four X and Y mass blocks, two Z mass blocks elastically connected with the driving pieces, and two decoupling mass blocks. The two decoupling mass blocks are elastically connected.
    Type: Grant
    Filed: July 27, 2022
    Date of Patent: October 29, 2024
    Assignee: AAC Kaitai Technologies (Wuhan) CO., LTD
    Inventors: Zhao Ma, Zhan Zhan, Xiao Kan, Shan Yang, Shitao Yan, Hongtao Peng, Yang Li, Kahkeen Lai, Veronica Tan
  • Publication number: 20240345127
    Abstract: The present invention relates to an accelerometer, which comprises a substrate and detecting devices. The substrate is provided with supporting anchor points and electrode fixing anchor points; the detecting device comprises two detecting plates and corresponding detecting electrodes, and the detecting electrodes are connected to the electrode fixing anchor points through connecting arms; the detecting plate is elastically connected to the supporting anchor point, the two detecting plates are asymmetrically arranged with respect to axes of the supporting anchor points, and the two detecting plates are parallel to each other and in opposite directions; and the detecting electrodes and the detecting plates are arranged at intervals to form a detecting capacitor.
    Type: Application
    Filed: December 29, 2023
    Publication date: October 17, 2024
    Inventors: Shitao Yan, Xiao Kan, Zhao Ma, Zhan Zhan, Shan Yang, Yang Li, Veronica Tan, Kahkeen Lai, Hongtao Peng, Houming Chong, Zaixiang Pua
  • Patent number: 12117293
    Abstract: A micromechanical gyroscope and an electronic device are related. The micromechanical gyroscope includes a first movement member, a second movement member, many drive members and a detection member, the first movement member has a first center, with two ends along a second direction oscillating around the first center along a first and a third directions, the second movement member has a second center, with two ends along the first direction oscillating around the second center along the second and third directions. The drive members can drive oscillations of the first and second movement members. The detection member is located above or below the first and second movement members in the third direction, to detect moving distances of the first and second movement members along the third direction. The micromechanical gyroscope can detect angular velocities in two directions simultaneously and perform differential detection to reduce errors, thus expanding application scenarios.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: October 15, 2024
    Assignee: AAC Kaitai Technologies (Wuhan) CO., LTD
    Inventors: Zhao Ma, Zhan Zhan, Shan Yang, Xiao Kan, Shitao Yan, Hongtao Peng, Yang Li, Kahkeen Lai, Veronica Tan, Yan Hong
  • Publication number: 20240337490
    Abstract: The present invention provides a dual-axis gyroscope and an electronic device. The dual-axis gyroscope comprises first mass blocks, second mass blocks, a driving unit and a detecting unit. Tightly coupled connections are formed between adjacent first mass blocks, and between adjacent second mass blocks, thus improving the accuracy of displacement ratios of the first mass blocks and the second mass blocks, and enhancing the operational accuracy and stability of the dual-axis gyroscope. Furthermore, the requirement for the machining precision of the first mass blocks and the second mass blocks is reduced, thus lowering the manufacturing cost of the dual-axis gyroscope and the electronic device.
    Type: Application
    Filed: December 29, 2023
    Publication date: October 10, 2024
    Inventors: Shan Yang, Xiao Kan, Zhan Zhan, Shitao Yan, Zhao Ma, Hongtao Peng, Yang Li, Veronica Tan, Kahkeen Lai, Zaixiang Pua, Houming Chong
  • Patent number: 12104905
    Abstract: The invention provides a micromachined gyroscope. The micromachined gyroscope includes a driving structure, a detection structure and a connection component. The driving structure includes a first moving component and a driving component. The driving component is used to drive the movement of the first moving component. The detection structure includes a second moving component and a detection component installed in the second moving component. The detection component is used to detect the movement distance of the second moving component along the third or fourth direction. The driving component is installed inside the first moving component, and the detection component is installed inside the second moving component. Greater drive of amplitude can be achieved at the same drive voltage, thereby increasing the sensitivity of the micromachined gyroscope.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: October 1, 2024
    Assignee: AAC Kaitai Technologies (Wuhan) CO., LTD.
    Inventors: Zhao Ma, Shan Yang, Zhan Zhan, Xiao Kan, Hongtao Peng, Shitao Yan, Yang Li, Kahkeen Lai, Veronica Tan, Yan Hong
  • Publication number: 20240310407
    Abstract: An accelerometer includes a substrate. The substrate includes anchor points. An external coupling unit is annular and is parallel to the substrate. A first torsion plate is disposed on an inner side of the external coupling unit and is connected to the anchor points. Inner coupling beams are disposed on a side, close to the anchor points, of the first torsion plate. A second torsion plate is disposed on the inner side of the external coupling unit and is connected to the anchor points, the second torsion plate is connected to the first torsion plate through two of the inner coupling beams, the second torsion plate and the first torsion plate are mutually embedded, the first torsion plate and the second torsion plate are symmetrical about a first axis of symmetry. The accelerometer reduces cross coupling reduced, and accuracy and anti-interference performance of the accelerometer are improved.
    Type: Application
    Filed: June 19, 2023
    Publication date: September 19, 2024
    Inventors: Shitao Yan, Shan Yang, Zhan Zhan, Zhao Ma, Xiao Kan, Yang Li, Veronica Tan, Kahkeen Lai, Hongtao Peng, Houming Chong, Zaixiang Pua
  • Publication number: 20240271933
    Abstract: The present disclosure provides a micro-mechanical gyroscope and an electronic product. The micro-mechanical gyroscope includes a plurality of first mass blocks, a plurality of second mass blocks, a plurality of driving members, first connecting beams and second connecting beams. The first mass blocks are arranged to face to each other in a first direction, and the second mass blocks are arranged between the first mass blocks and arranged to face to each other in a second direction perpendicular to the first direction. In the second direction, the driving members are arranged on either sides of the first mass blocks and of the second mass blocks. Ends of the first mass blocks in the second direction are connected to driving members, respectively, through the first connecting beams, and the second mass blocks are connected to adjacent driving members, respectively, through the second connecting beams 5.
    Type: Application
    Filed: May 26, 2023
    Publication date: August 15, 2024
    Inventors: Zhao Ma, Shitao Yan, Shan Yang, Zhan Zhan, Xiao Kan, Yang Li, Veronica Tan, Kahkeen Lai
  • Publication number: 20240271932
    Abstract: The present invention provides an MEMS gyroscope and an electronic product. The MEMS gyroscope comprises a plurality of first mass blocks, a second mass block and coupling parts, wherein the plurality of first mass blocks are located at two opposite sides of the second mass block in a first direction; and each coupling part comprises a coupling link and a plurality of connecting beams connected to two ends of the coupling link, the connecting beams are flexible beams, and the coupling part is positioned between the first mass blocks and the second mass block and connects the first mass blocks with the second mass block. Through the arrangement of the coupling links, strong coupling can be realized between the first mass blocks and the second mass block, so that the anti-interference performance of the MEMS gyroscope is enhanced during work and the working stability is improved.
    Type: Application
    Filed: May 26, 2023
    Publication date: August 15, 2024
    Inventors: Shan Yang, Xiao Kan, Zhan Zhan, Shitao Yan, Zhao Ma, Hongtao Peng, Houming Chong, Zaixiang Pua, Kahkeen Lai, Veronica Tan, Yang Li
  • Publication number: 20240271934
    Abstract: The present disclosure provides a micro-mechanical gyroscope and an electronic product. The micro-mechanical gyroscope includes first mass blocks, second mass blocks, a first driving member, a second driving member, first coupling components and second coupling components. The second mass blocks, the first driving member and the second driving member are arranged between the first mass blocks. The second mass blocks are arranged on either sides of the first second driving members. A first mass block arranged on a side of the first driving member is connected to the first driving member through a first coupling component, and a first mass block arranged on a side of the second driving member is connected to the second driving member through a first coupling component. Ends of the second mass block in the first direction are connected to the first driving member and the second driving member, respectively, through the second coupling components.
    Type: Application
    Filed: May 7, 2023
    Publication date: August 15, 2024
    Inventors: Zhao Ma, Xiao Kan, Shitao Yan, Shan Yang, Zhan Zhan, Yang Li, Veronica Tan, Kahkeen Lai
  • Patent number: 12050105
    Abstract: A MEMS gyroscope includes an anchor point, a resonator, and a transducer. The resonator includes eight resonating blocks arranged at equal intervals and a coupling beam connecting each two adjacent resonating blocks. The resonating blocks are connected with the anchor point through anchoring beams. The anchoring beams decouple radial motion and circumferential motion of the resonating blocks. The resonating blocks include first resonating blocks, second resonating blocks, third resonating blocks, and fourth resonating blocks. In a vibration mode, the transducer drives the first and second resonating blocks to vibrate along a first axis and a second axis respectively, so the third and fourth resonating blocks are driven to vibrate along the fourth axis and the third axis respectively. In a detection mode, the transducer detects vibration of the third resonating blocks along the third axis and the vibration of the fourth resonating blocks along the fourth axis.
    Type: Grant
    Filed: July 26, 2022
    Date of Patent: July 30, 2024
    Assignee: AAC KAITAI TECHNOLOGIES (WUHAN) CO., LTD
    Inventors: Shan Yang, Zhan Zhan, Shitao Yan, Zhao Ma, Xiao Kan, Hongtao Peng, Yan Hong, Kahkeen Lai, Veronica Tan