Patents by Inventor Hui-Hsuan Chen

Hui-Hsuan Chen 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: 20240152246
    Abstract: A joystick includes a stick head, an actuating component, a substrate, a bearing base, a resilient recovering component, a first rotation component and a second rotation component. The actuating component has a first end and a second end opposite to each other. The first end is connected to the stick head, and an identification feature is disposed on the second end. The substrate has a detector used to detect the identification feature and determine motion of the stick head. The bearing base is disposed on the substrate. The resilient recovering component is disposed between the substrate and the bearing base. The first rotation component is movably disposed on the bearing base and rotatable in a first direction. The second rotation component is movably connected to the first rotation component and rotatable in a second direction different from the first direction, and connected to the actuating component in a rotatable manner.
    Type: Application
    Filed: January 16, 2024
    Publication date: May 9, 2024
    Applicant: PixArt Imaging Inc.
    Inventors: Hung-Yu Lai, Yong-Nong Huang, Hui-Hsuan Chen, Jia-Hong Huang
  • Publication number: 20240151578
    Abstract: A proximity sensing device includes: a light source, a sensing unit, a light guide unit, and a window. The light source emits light, which is guided by the light guide unit to the window. The emitted light reflected by an object is received by the same window. The light guide unit includes a partial-transmissive-partial-reflective (PTPR) optical element, whereby the light emitted from the light source is reflected by the PTPR optical element, while the light reflected by the object passes through the PTPR optical element. There is only one window required.
    Type: Application
    Filed: May 16, 2023
    Publication date: May 9, 2024
    Inventors: Hui-Hsuan Chen, Nien-Tse Chen
  • Patent number: 11934626
    Abstract: A joystick includes a stick head, an actuating component, a substrate, a bearing base, a resilient recovering component and a constraining component. The actuating component has a first end and a second end opposite to each other. The first end is connected to the stick head, and an identification feature is disposed on the second end. The substrate has a detection module used to detect the identification feature and determine motion of the stick head. The bearing base is disposed on the substrate. An opening portion of the bearing base aligns with the detection module and the actuating component. The resilient recovering component is disposed between the substrate and the bearing base. The constraining component is disposed on the resilient recovering component and movably disposed inside the opening portion, and used to abut against the actuating component in a detachable manner.
    Type: Grant
    Filed: June 20, 2022
    Date of Patent: March 19, 2024
    Assignee: PixArt Imaging Inc.
    Inventors: Hung-Yu Lai, Yong-Nong Huang, Hui-Hsuan Chen, Jia-Hong Huang
  • Publication number: 20240086611
    Abstract: Systems, methods and devices are provided, which can include an engineering change order (ECO) base. A base layout cell includes metal layer regions, conductive gate patterns arranged above metal layer regions; oxide definition (OD) patterns, metal-zero layer over oxide-definition (metal-zero) patterns, at least one cut metal layer (CMD) pattern; and at least one via region. The base layout cell can be implemented in at least two non-identical functional cells. A first functional cell of the at least two non-identical functional cells includes first interconnection conductive patterns arranged connecting metal-zero structures corresponding to at least two metal-zero patterns in a first layout, and a second functional cell of the at least two non-identical functional cells includes second interconnection conductive patterns arranged connecting metal-zero structures corresponding to at least two metal-zero patterns in a second layout.
    Type: Application
    Filed: November 20, 2023
    Publication date: March 14, 2024
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Shang-Hsuan Chiu, Chih-Liang Chen, Hui-Zhong Zhuang, Chi-Yu Lu, Kuang-Ching Chang
  • Publication number: 20240069618
    Abstract: The disclosure provides a power management method. The power management method is applicable to an electronic device. The electronic device is electrically coupled to an adapter, and includes a system and a battery. The adapter has a feed power. The battery has a discharge power. The power management method of the disclosure includes: reading a power value of the battery; determining a state of the system; and discharging power to the system, when the system is in a power-on state and the power value is greater than a charging stopping value, by using the battery, and controlling, according to the discharge power and the feed power, the adapter to selectively supply power to the system. The disclosure further provides an electronic device using the power management method.
    Type: Application
    Filed: April 27, 2023
    Publication date: February 29, 2024
    Inventors: Wen Che CHUNG, Hui Chuan LO, Hao-Hsuan LIN, Chun TSAO, Jun-Fu CHEN, Ming-Hung YAO, Jia-Wei ZHANG, Kuan-Lun CHEN, Ting-Chao LIN, Cheng-Yen LIN, Chunyen LAI
  • Publication number: 20240062576
    Abstract: An optical identification device includes a top cover, a circuit board, an optical detection module, an optical deviation component and an anti-reflection component. The circuit board is disposed under the top cover. The optical detection module is disposed on the circuit board, and the optical detection module includes a light emitter and a light receiver. The optical deviation component is disposed on the light emitter of the optical detection module and adapted to change a transmission direction of an optical signal emitted by the light emitter, so that the optical signal is projected onto the top cover in an inclined manner. The anti-reflection component is disposed on a surface of the top cover facing the optical detection module and adapted to increase a penetration rate of the optical signal projected onto the top cover.
    Type: Application
    Filed: August 19, 2022
    Publication date: February 22, 2024
    Applicant: PixArt Imaging Inc.
    Inventors: Yong-Nong Huang, Hui-Hsuan Chen
  • Publication number: 20240036204
    Abstract: There is provided a mobile robot that performs the obstacle avoidance and visual simultaneous localization and mapping (VSLAM) according to image frames captured by the same optical sensor. The mobile robot includes a pixel array and a processor. An upper part of the pixel array is not coated with any filter and a lower part of the pixel array is coated with an IR filter. The processor performs range estimation using pixel data corresponding to the lower part of the pixel array, and perform the VSLAM using pixel data corresponding to the upper part of the pixel array.
    Type: Application
    Filed: October 11, 2023
    Publication date: February 1, 2024
    Inventors: GUO-ZHEN WANG, HUI-HSUAN CHEN
  • Publication number: 20240032756
    Abstract: An electronic device, comprising: a first light source, configured to emit first light; a second light source, configured to emit second light; an optical sensor, configured to sense optical data generated according to reflected light of the second light or according to reflected light of the first light; and a control circuit, configured to analyze optical information of the optical data. If the control circuit determines variation of the optical information is larger than a variation threshold, the control circuit controls the first light source to be non-activated and the second light source to be activated.
    Type: Application
    Filed: October 10, 2023
    Publication date: February 1, 2024
    Applicant: PixArt Imaging Inc.
    Inventors: Muan Sian Ng, Wan Piang Lim, Hui-Hsuan Chen
  • Publication number: 20240004074
    Abstract: A tracking device including an image sensor, a light source and a processor is provided. The image sensor senses reflected light or scattered light formed by the light source illuminating a work surface. The processor calculates a trace of the tracking device according to one of the reflected light and the scattered light that generates more apparent image features so as to increase the adaptable work surfaces.
    Type: Application
    Filed: September 18, 2023
    Publication date: January 4, 2024
    Inventors: HUI-HSUAN CHEN, CHENG-LIN YANG, TZU-YU CHEN
  • Patent number: 11829180
    Abstract: A pressure detection device of detecting a forced state of a deformable object includes a body, an image sensor and a processor. The body is a deformable hollow structure. The body has an inner surface and an outer surface, and an identifiable vision feature is disposed on the inner surface. The image sensor is disposed inside the body and faces the inner surface of the body, and is adapted to capture a frame containing the identifiable vision feature on the inner surface. The processor is electrically connected with the image sensor, and adapted to analyze position variation of the identifiable vision feature within the captured frame for identifying a motion type of a gesture applied to the outer surface of the body.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: November 28, 2023
    Assignee: PixArt Imaging Inc.
    Inventors: Wei-Chung Wang, Hsin-Chia Chen, Hui-Hsuan Chen, Chao-Chien Huang, Chu-Hung Nien
  • Patent number: 11819184
    Abstract: An auto clean machine, comprising: a chassis; a first light source, configured to emit first light; a second light source, configured to emit second light; an optical sensor, configured to sense optical data generated according to reflected light of the second light or according to reflected light of the first light; and a control circuit, configured to analyze optical information of the optical data; wherein if the first light source is activated, the second light source is de-activated and the control circuit determines variation of the optical information is larger than a variation threshold, the control circuit changes the first light source to be non-activated and the second light source to be activated.
    Type: Grant
    Filed: October 21, 2022
    Date of Patent: November 21, 2023
    Assignee: PixArt Imaging Inc.
    Inventors: Muan Sian Ng, Wan Piang Lim, Hui-Hsuan Chen
  • Patent number: 11821985
    Abstract: There is provided a mobile robot that performs the obstacle avoidance and visual simultaneous localization and mapping (VSLAM) according to image frames captured by the same optical sensor. The mobile robot includes a pixel array and a processor. An upper part of the pixel array is not coated with any filter and a lower part of the pixel array is coated with an IR filter. The processor performs range estimation using pixel data corresponding to the lower part of the pixel array, and perform the VSLAM using pixel data corresponding to the upper part of the pixel array.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: November 21, 2023
    Assignee: PIXART IMAGING INC.
    Inventors: Guo-Zhen Wang, Hui-Hsuan Chen
  • Patent number: 11808853
    Abstract: A tracking device including an image sensor, a light source and a processor is provided. The image sensor senses reflected light or scattered light formed by the light source illuminating a work surface. The processor calculates a trace of the tracking device according to one of the reflected light and the scattered light that generates more apparent image features so as to increase the adaptable work surfaces.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: November 7, 2023
    Assignee: PIXART IMAGING INC.
    Inventors: Hui-Hsuan Chen, Cheng-Lin Yang, Tzu-Yu Chen
  • Publication number: 20230328349
    Abstract: There is provided a bottom cover for being covered on an optical system. The bottom cover is attached in front of the optical engine. The bottom cover has a bottom surface for facing a working surface when the optical system is moving on the working surface, a first opening for emission light of the optical engine to go through and a second opening for reflected light from the working surface to go through. The bottom cover is further formed with guiding protrusions protruded out from the bottom surface toward the working surface and surrounding at least the second opening to guide soft materials on the working surface to away from the second opening.
    Type: Application
    Filed: June 16, 2023
    Publication date: October 12, 2023
    Inventors: Hung-Yu LAI, Yen-Hung WANG, Wen-Yen SU, Hui-Hsuan CHEN
  • Publication number: 20230302627
    Abstract: There is provided an electronic product that performs the obstacle avoidance, positioning and object recognition according to image frames captured by the same optical sensor. The electronic product includes an optical sensor, a light emitting diode, a laser diode and a processor. The processor identifies an obstacle and a distance thereof according to image frames captured by the optical sensor when the laser diode is emitting light. The processor further performs the positioning and object recognition according to image frames captured by the optical sensor when the light emitting diode is emitting light.
    Type: Application
    Filed: May 17, 2023
    Publication date: September 28, 2023
    Inventors: GUO-ZHEN WANG, HUI-HSUAN CHEN
  • Patent number: 11692870
    Abstract: A proximity sensing device includes: a light source, a sensing unit, a light guide unit, and a window. The light source emits light, which is guided by the light guide unit to the window. The emitted light reflected by an object is received by the same window. The light guide unit includes a partial-transmissive-partial-reflective (PTPR) optical element, whereby the light emitted from the light source is reflected by the PTPR optical element, while the light reflected by the object passes through the PTPR optical element. There is only one window required.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: July 4, 2023
    Assignee: PIXART IMAGING INCORPORATION
    Inventors: Hui-Hsuan Chen, Nien-Tse Chen
  • Patent number: 11691264
    Abstract: There is provided a mobile robot that performs the obstacle avoidance, positioning and object recognition according to image frames captured by the same optical sensor. The mobile robot includes an optical sensor, a light emitting diode, a laser diode and a processor. The processor identifies an obstacle and a distance thereof according to image frames captured by the optical sensor when the laser diode is emitting light. The processor further performs the positioning and object recognition according to image frames captured by the optical sensor when the light emitting diode is emitting light.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: July 4, 2023
    Assignee: PIXART IMAGING INC.
    Inventors: Guo-Zhen Wang, Hui-Hsuan Chen
  • Patent number: 11681321
    Abstract: An image identification method is used to eliminate accumulated error of operation of a joystick. The joystick has an optical sensor adapted to analyze a movement of a plurality of identification dots disposed on a stick body. The image identification method includes receiving a series of detection images, setting a first identification dot of the plurality of identification dots as being a reference identification dot, and setting a second identification dot of the plurality of identification dos as being the reference identification dot and cancelling the first identification dot as being the reference identification dot when the first identification dot is near a border of the detection image. A position change of the reference identification dot in the series of detection images is used for identifying a control status of the joystick.
    Type: Grant
    Filed: November 9, 2021
    Date of Patent: June 20, 2023
    Assignee: PixArt Imaging Inc.
    Inventors: Chao-Chien Huang, Yen-Hung Wang, Yi-Chung Chen, Hui-Hsuan Chen, Yi-Hsien Ko
  • Patent number: 11676416
    Abstract: An optical identification device includes a circuit board, a top cover, an optical detection module and an optical channel. The top cover is disposed on the circuit board and has an identification region. The optical detection module is disposed on the circuit board and located inside the top cover. The optical detection module includes an optical emitter and an optical receiver. The optical emitter is adapted to emit an illumination beam toward the top cover. The optical receiver is adapted to receive the illumination beam reflected from the top cover. The optical channel is disposed between the optical emitter and the top cover, and adapted to block the illumination beam from projecting onto a lower surface of the identification region facing the optical receiver.
    Type: Grant
    Filed: September 5, 2022
    Date of Patent: June 13, 2023
    Assignee: PixArt Imaging Inc.
    Inventors: Yong-Nong Huang, Hui-Hsuan Chen
  • Publication number: 20230103383
    Abstract: A joystick includes a stick head, an actuating component, a substrate, a bearing base, a resilient recovering component and a constraining component. The actuating component has a first end and a second end opposite to each other. The first end is connected to the stick head, and an identification feature is disposed on the second end. The substrate has a detection module used to detect the identification feature and determine motion of the stick head. The bearing base is disposed on the substrate. An opening portion of the bearing base aligns with the detection module and the actuating component. The resilient recovering component is disposed between the substrate and the bearing base. The constraining component is disposed on the resilient recovering component and movably disposed inside the opening portion, and used to abut against the actuating component in a detachable manner.
    Type: Application
    Filed: June 20, 2022
    Publication date: April 6, 2023
    Applicant: PixArt Imaging Inc.
    Inventors: Hung-Yu Lai, Yong-Nong Huang, Hui-Hsuan Chen, Jia-Hong Huang