Patents by Inventor Wen-Jung Li

Wen-Jung Li 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: 11971951
    Abstract: Systems and methods which provide a motion sensor data-driven framework for sports action recognition and/or assessment using a wearable sensor are described. A motion sensor data-driven system may provide real-time kinematical analysis to athletes engaged in active competition or training sessions under typical competition or training conditions. Analysis of motion sensor data provided according to embodiments may operate to recognize instances of one or more particular sports actions performed by an athlete and/or assess the skill of the athlete from analysis of one or more sports actions. A motion sensor data processing platform of embodiments of a motion sensor data-driven system may comprise a processor-based system configured to receive and analyze data regarding the movement of an athlete's limb reported by a wearable sensor device comprising a micro inertial measurement unit configuration for capturing and reporting data regarding the movement of an athlete's limb.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: April 30, 2024
    Assignee: City University of Hong Kong
    Inventors: Yufan Wang, Wen Jung Li, Ho Man Chan, Guanglie Zhang
  • Patent number: 11883135
    Abstract: The present invention provides a personalized, three-dimensional printed, human auricle-specific multiple auricular points' bio-signal acquisition, health status monitoring, and bio-stimulation device, including an artificial ear model made of at least one bio-compatible, flexible polymer, a plurality of sensing and stimulating electrodes with at least one sensing end and a signal acquisition/processing end penetrating through a body of the ear mold conformably with a human auricle so that a surface of the ear mold where sensing end of the electrodes is disposed creates an electrode-human skin interface for bio-signal detection and bio-stimulation responsive thereto. Methods of fabricating the device based on 3-D printing, 3D scanning and modelling techniques and using thereof for bio-signal acquisition, analysis, health status monitoring and bio-stimulation are also provided.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: January 30, 2024
    Assignee: City University of Hong Kong
    Inventors: Ho-Yin Chan, Qing Yun Huang, Wen Jung Li
  • Publication number: 20230138891
    Abstract: The present invention provides a personalized, three-dimensional printed, human auricle-specific multiple auricular points' bio-signal acquisition, health status monitoring, and bio-stimulation device, including an artificial ear model made of at least one bio-compatible, flexible polymer, a plurality of sensing and stimulating electrodes with at least one sensing end and a signal acquisition/processing end penetrating through a body of the ear mold conformably with a human auricle so that a surface of the ear mold where sensing end of the electrodes is disposed creates an electrode-human skin interface for bio-signal detection and bio-stimulation responsive thereto. Methods of fabricating the device based on 3-D printing, 3D scanning and modelling techniques and using thereof for bio-signal acquisition, analysis, health status monitoring and bio-stimulation are also provided.
    Type: Application
    Filed: October 28, 2021
    Publication date: May 4, 2023
    Inventors: Ho-Yin CHAN, Qing Yun HUANG, Wen Jung LI
  • Patent number: 11409980
    Abstract: Time-varying scent determined by audio-meaningful events, such as gun firing, in an audio signal is generated by first computing a spectrogram thereof. A fingerprint, each having feature points, can be extracted from the spectrogram over a time window. The plurality of feature points is hashed to give a hash code. A sequence of hash codes obtained over multiple time windows is correlated with predetermined hash-code segments of known audio-meaningful events stored in a database. A matched audio-meaningful event having a highest correlation is identified. The scent-generating recipe corresponding to the matched audio-meaningful event is retrieved. Atomizers are used to vaporize scent-generating substances to generate the time-variant scent. Since the hash code has a fixed length and a smaller size than the plurality of feature points, storage requirements of the database and computation requirements of correlation calculation are reduced by using the hash code rather than the plurality of feature points.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: August 9, 2022
    Assignee: Acoustic Arc International Limited
    Inventors: Ho-Yin Chan, Ka Wai Kong, Junhui Law, Meng Chen, Wen Jung Li, Boa Fung Chau, Kak Man Chan
  • Publication number: 20200202102
    Abstract: Time-varying scent determined by audio-meaningful events, such as gun firing, in an audio signal is generated by first computing a spectrogram thereof. A fingerprint, each having feature points, can be extracted from the spectrogram over a time window. The plurality of feature points is hashed to give a hash code. A sequence of hash codes obtained over multiple time windows is correlated with predetermined hash-code segments of known audio-meaningful events stored in a database. A matched audio-meaningful event having a highest correlation is identified. The scent-generating recipe corresponding to the matched audio-meaningful event is retrieved. Atomizers are used to vaporize scent-generating substances to generate the time-variant scent. Since the hash code has a fixed length and a smaller size than the plurality of feature points, storage requirements of the database and computation requirements of correlation calculation are reduced by using the hash code rather than the plurality of feature points.
    Type: Application
    Filed: December 19, 2018
    Publication date: June 25, 2020
    Inventors: Ho-Yin CHAN, Ka Wai KONG, Junhui LAW, Meng CHEN, Wen Jung LI, Boa Fung CHAU, Kak Man CHAN
  • Publication number: 20190388728
    Abstract: Systems and methods which provide a motion sensor data-driven framework for sports action recognition and/or assessment using a wearable sensor are described. A motion sensor data-driven system may provide real-time kinematical analysis to athletes engaged in active competition or training sessions under typical competition or training conditions. Analysis of motion sensor data provided according to embodiments may operate to recognize instances of one or more particular sports actions performed by an athlete and/or assess the skill of the athlete from analysis of one or more sports actions. A motion sensor data processing platform of embodiments of a motion sensor data-driven system may comprise a processor-based system configured to receive and analyze data regarding the movement of an athlete's limb reported by a wearable sensor device comprising a micro inertial measurement unit configuration for capturing and reporting data regarding the movement of an athlete's limb.
    Type: Application
    Filed: June 21, 2018
    Publication date: December 26, 2019
    Inventors: Yufan Wang, Wen Jung Li, Ho Man Chan, Guanglie Zhang
  • Publication number: 20090183929
    Abstract: A Micro Inertial Measurement Unit (IMU) which is based on MEMS accelerometers and gyro sensors is developed for real-time recognition of human hand motions, especially as used in the context of writing on a surface. Motion is recorded by a motion/acceleration sensor, which may be a combination of a rate rate gyro and an accelerometer, and possibly in combination with a video camera set to detect markers located on a board, with the camera utilizable to detect lines and markers and to determine the proximity of the white board. The immediate advantage is the facilitation of a digital interface with both PC and mobile computing devices and perhaps to enable wireless sensing.
    Type: Application
    Filed: February 12, 2009
    Publication date: July 23, 2009
    Inventors: Guanglie Zhang, Guangyi Shi, Yilun Luo, Heidi Yee Yan Wong, Wen Jung Li, Philip Heng Wai Leong, Ming Yiu Wong
  • Patent number: 7508384
    Abstract: A Micro Inertial Measurement Unit (IMU) which is based on MEMS accelerometers and gyro sensors is developed for real-time recognition of human hand motions, especially as used in the context of writing on a surface. Motion is recorded by a rate gyro and an accellerometer and communicated to a Bluetooth module, possibly to a computer which may be 20 to 30 feet or more from the sensor. The motion information generated and communicated is combined with appropriate filtering and transformation algorithms to facilitate a complete Digital Writing System that can be used to record handwriting on any surface, or on no surface at all. The overall size of an IMU can be less than 26 mm×20 mm×20 mm, and may include micro sensors, a processor, and wireless interface components. The Kalman filtering algorithm is preferably used to filter the noise of sensors to allow successful transformance of hand motions into recognizable and recordable English characters.
    Type: Grant
    Filed: June 8, 2005
    Date of Patent: March 24, 2009
    Assignee: Daka Research Inc.
    Inventors: Guanglie Zhang, Guangyi Shi, Yilun Luo, Heidi Yee Yan Wong, Wen Jung Li, Philip Heng Wai Leong, Ming Yiu Wong
  • Publication number: 20020097568
    Abstract: Wall lamp structure with projective clocks including a seat body and a projecting unit connected with the seat body by a connecting member and right positioned above the front face of the seat body. A timer is disposed on the seat body. The projecting unit is a shade body. A light emitter is disposed in the projecting unit, facing the front face of the seat body. A mark member having marks is fitted around the light emitter. The light emitter projects light beam onto the mark member and the indicators of the timer to show the shades thereof on the wall face to form a magnified shade-type clock.
    Type: Application
    Filed: April 4, 2001
    Publication date: July 25, 2002
    Applicant: Top Want Ind. Co., Ltd.
    Inventor: Wen-Jung Li
  • Patent number: D451034
    Type: Grant
    Filed: January 24, 2001
    Date of Patent: November 27, 2001
    Assignee: Top Want Ind. Co., Ltd.
    Inventor: Wen-Jung Li