Patents by Inventor Yen Min CHANG

Yen Min CHANG 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: 12277798
    Abstract: There is provided a recognition system adaptable to a portable device or a wearable device. The recognition system senses a body heat using a thermal sensor, and performs functions such as the living body recognition, image denoising and body temperature prompting according to detected results.
    Type: Grant
    Filed: April 25, 2024
    Date of Patent: April 15, 2025
    Assignee: PIXART IMAGING INC.
    Inventors: Nien-Tse Chen, Yi-Hsien Ko, Yen-Min Chang
  • Patent number: 12277797
    Abstract: There is provided a recognition system adaptable to a portable device or a wearable device. The recognition system senses a body heat using a thermal sensor, and performs functions such as the living body recognition, image denoising and body temperature prompting according to detected results.
    Type: Grant
    Filed: April 18, 2024
    Date of Patent: April 15, 2025
    Assignee: PIXART IMAGING INC.
    Inventors: Nien-Tse Chen, Yi-Hsien Ko, Yen-Min Chang
  • Patent number: 12269405
    Abstract: A multiple detection system is applied to a vehicle and includes a contact-type detection module adapted to generate a contact-type detection datum, a contactless-type detection module adapted to generate a contactless-type detection datum, and an operation processor electrically connected with the contact-type detection module and the contactless-type detection module in a wire manner or in a wireless manner. The operation processor sets at least one of the contact-type detection datum and the contactless-type detection datum according to an environmental status of the vehicle to be a main detection result of the multiple detection system, and further sets the other detection datum to be an auxiliary detection result of the multiple detection system, for acquiring a passenger feature inside the vehicle.
    Type: Grant
    Filed: November 26, 2020
    Date of Patent: April 8, 2025
    Assignee: PixArt Imaging Inc.
    Inventors: Han-Lin Chiang, Shih-Feng Chen, Yen-Min Chang, Ning Shyu, Chih-Wei Huang
  • Patent number: 12257514
    Abstract: A game board device is provided for carrying and identifying game pieces that are divided into different piece types. The game board device includes a board, a plurality of optically identifying modules, and a processing module electrically coupled to the optically identifying modules. The optically identifying modules respectively correspond in position to detection regions of the board. Each of the optically identifying modules includes a light emitter that can emit light toward the corresponding detection region and a light receiver that can receive light reflected by the corresponding detection region. When any one of the detection regions is in an unoccupied mode, the corresponding optically identifying module can emit an unoccupied signal. When any one of the detection regions is in an occupied mode, the corresponding optically identifying module enables an identification signal that corresponds to the piece type of the corresponding game piece to be emitted therefrom.
    Type: Grant
    Filed: March 14, 2024
    Date of Patent: March 25, 2025
    Assignee: PIXART IMAGING INC.
    Inventors: Chung-Ting Yang, Yen-Min Chang, Yen-Chang Wang
  • Publication number: 20250017138
    Abstract: A weeder robot includes a movable carrier and a blade module assembled to the movable carrier. The movable carrier includes a map creating module and a control module that is electrically coupled to the blade module and the map creating module. The map creating module includes an infrared unit and a vision sensing unit. The infrared unit can emit and receive an infrared light. The vision sensing unit can obtain an image information in a non-contact manner. The movable carrier can be used to move in a court, so that the map creating module can generate a three-dimensional (3D) court map through cooperation between the infrared unit and the vision sensing unit. When the weeder robot performs a maintenance process, the control module drives the blade module to weed a portion of a lawn higher than a predetermined height according to the 3D court map.
    Type: Application
    Filed: July 10, 2023
    Publication date: January 16, 2025
    Inventors: YEN-MIN CHANG, SHIH-FENG CHEN, HAN-LIN CHIANG
  • Patent number: 12199125
    Abstract: There is provided a structure to improve BSI global shutter efficiency. In a sensor pixel circuit, at least one strong electric field is formed at the position of a floating diffusion region to accordingly have the effect of shielding the floating diffusion region. Or, the semiconductor material from the floating diffusion node toward a light incident direction is removed in the manufacturing process such that a depletion region cannot be formed in this direction. Or, a reflection layer or a photoresist layer is formed in the light incident direction to block the light. In these ways, charges generated by the undesired noises are reduced, and noise charges are difficult to reach the floating diffusion region thereby improving the shutter efficiency.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: January 14, 2025
    Assignee: PIXART IMAGING INC.
    Inventors: Kai-Chieh Chuang, Yung-Chung Lee, Yen-Min Chang
  • Publication number: 20250013318
    Abstract: A method for configuring an optical input device is provided. The optical input device includes a movable unit and a sensing device. The movable unit is arranged to move within a predetermined range. The sensing device is arranged to detect a position within the predetermined range at which the movable unit is located. The method includes: adjusting an optical setting of the sensing device to obtain an optimal dynamic range of the sensing device; and configuring a valid input threshold for the optical input device based on the optimal dynamic range.
    Type: Application
    Filed: September 19, 2024
    Publication date: January 9, 2025
    Applicant: PixArt Imaging Inc.
    Inventors: Tsung-Fa Wang, Yen-Min Chang, Shih-Wei Kuo
  • Patent number: 12188757
    Abstract: A wireless charging device and an operation method thereof are provided. The wireless charging device includes a charging module, at least one proximity sensor and a central controller. The wireless charging device senses a distance variation between the wireless charging device and an object using the proximity sensor and accordingly determines whether to turn on or turn off the charging module to achieve energy saving.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: January 7, 2025
    Assignee: PIXART IMAGING INC.
    Inventors: Ting-Yang Chang, Shih-Wei Kuo, Yen-Min Chang
  • Patent number: 12175020
    Abstract: The present invention provides a motion detecting system, which includes a light source module, a plurality of image sensors and a control unit. The light source module illuminates at least one object. The image sensors respectively detect the object under the light emitted by the light source module to generate a plurality of detection results. The control unit is coupled to the image sensors, and generates a control command according to the detection results.
    Type: Grant
    Filed: August 15, 2023
    Date of Patent: December 24, 2024
    Assignee: PIXART IMAGING INC.
    Inventors: Ting-Yang Chang, Yen-Min Chang, Nien-Tse Chen
  • Patent number: 12126472
    Abstract: The present disclosure is related to an optical encoder which is configured to provide precise coding reference data by feature recognition technology. To apply the present disclosure, it is not necessary to provide particular dense patterns on a working surface. The precise coding reference data can be generated by detecting surface features of the working surface.
    Type: Grant
    Filed: September 13, 2023
    Date of Patent: October 22, 2024
    Inventors: Wai-Lian Teo, Yen-Min Chang
  • Publication number: 20240290136
    Abstract: There is provided a recognition system adaptable to a portable device or a wearable device. The recognition system senses a body heat using a thermal sensor, and performs functions such as the living body recognition, image denoising and body temperature prompting according to detected results.
    Type: Application
    Filed: April 2, 2024
    Publication date: August 29, 2024
    Inventors: Nien-Tse Chen, Yi-Hsien Ko, Yen-Min Chang
  • Publication number: 20240273940
    Abstract: There is provided a recognition system adaptable to a portable device or a wearable device. The recognition system senses a body heat using a thermal sensor, and performs functions such as the living body recognition, image denoising and body temperature prompting according to detected results.
    Type: Application
    Filed: April 25, 2024
    Publication date: August 15, 2024
    Inventors: NIEN-TSE CHEN, YI-HSIEN KO, YEN-MIN CHANG
  • Publication number: 20240265082
    Abstract: A virtual reality system including an image viewing device and a wearable accessary is provided. The image viewing device detects a biometric characteristic to identify a user ID according to the biometric characteristic, outputs an ID signal associated with the identified user ID and shows video stream associated with the identified user ID. The wearable accessary detects an attached status and movement of the wearable accessary after receiving the ID signal, and sends a control signal to the image viewing device to change image content in the video stream according to the detected movement of the wearable accessary when the attached status indicates continuous wearing.
    Type: Application
    Filed: April 16, 2024
    Publication date: August 8, 2024
    Inventor: YEN-MIN CHANG
  • Publication number: 20240265730
    Abstract: There is provided a recognition system adaptable to a portable device or a wearable device. The recognition system senses a body heat using a thermal sensor, and performs functions such as the living body recognition, image denoising and body temperature prompting according to detected results.
    Type: Application
    Filed: April 18, 2024
    Publication date: August 8, 2024
    Inventors: NIEN-TSE CHEN, Yi-Hsien Ko, Yen- Min Chang
  • Publication number: 20240231364
    Abstract: There is provided a smart detection system including multiple sensors and a central server. The central server confirms a model of every sensor and a position thereof in an operation area. The central server confirms an event position and predicts a user action according to event signals sent by the multiple sensors.
    Type: Application
    Filed: February 22, 2024
    Publication date: July 11, 2024
    Inventors: YI-HSIEN KO, YEN-MIN CHANG, NIEN-TSE CHEN
  • Patent number: 12034823
    Abstract: An operating method of an interactive service platform including the steps of: communicating with a plurality of user end devices via an application software; receiving physiological measurement information of user from the user end devices via the application software; analyzing the physiological measurement information to identify a physical and mental state/lifestyle of an associated subscriber; and automatically responding content information associated with at least one associated subscriber according to requests from the user end devices.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: July 9, 2024
    Assignee: PIXART IMAGING INC.
    Inventors: Chih-Yuan Chuang, Yen-Min Chang
  • Publication number: 20240216787
    Abstract: A game board device is provided for carrying and identifying game pieces that are divided into different piece types. The game board device includes a board, a plurality of optically identifying modules, and a processing module electrically coupled to the optically identifying modules. The optically identifying modules respectively correspond in position to detection regions of the board. Each of the optically identifying modules includes a light emitter that can emit light toward the corresponding detection region and a light receiver that can receive light reflected by the corresponding detection region. When any one of the detection regions is in an unoccupied mode, the corresponding optically identifying module can emit an unoccupied signal. When any one of the detection regions is in an occupied mode, the corresponding optically identifying module enables an identification signal that corresponds to the piece type of the corresponding game piece to be emitted therefrom.
    Type: Application
    Filed: March 14, 2024
    Publication date: July 4, 2024
    Inventors: CHUNG-TING YANG, YEN-MIN CHANG, YEN-CHANG WANG
  • Patent number: 12002288
    Abstract: There is provided a recognition system adaptable to a portable device or a wearable device. The recognition system senses a body heat using a thermal sensor, and performs functions such as the living body recognition, image denoising and body temperature prompting according to detected results.
    Type: Grant
    Filed: April 10, 2023
    Date of Patent: June 4, 2024
    Inventors: Nien-Tse Chen, Yi-Hsien Ko, Yen-Min Chang
  • Patent number: 11995913
    Abstract: There is provided a recognition system adaptable to a portable device or a wearable device. The recognition system senses a body heat using a thermal sensor, and performs functions such as the living body recognition, image denoising and body temperature prompting according to detected results.
    Type: Grant
    Filed: April 10, 2023
    Date of Patent: May 28, 2024
    Inventors: Nien-Tse Chen, Yi-Hsien Ko, Yen-Min Chang
  • Patent number: 11989274
    Abstract: A virtual reality system including an image viewing device and a wearable accessary is provided. The image viewing device detects a biometric characteristic to identify a user ID according to the biometric characteristic, outputs an ID signal associated with the identified user ID and shows video stream associated with the identified user ID. The wearable accessary detects an attached status and movement of the wearable accessary after receiving the ID signal, and sends a control signal to the image viewing device to change image content in the video stream according to the detected movement of the wearable accessary when the attached status indicates continuous wearing.
    Type: Grant
    Filed: July 14, 2023
    Date of Patent: May 21, 2024
    Assignee: PIXART IMAGING INC.
    Inventor: Yen-Min Chang