Patents by Inventor Kai Wen

Kai Wen 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: 20180328483
    Abstract: An electronic continuously variable transmission (ECVT) system applicable to a motorcycle includes a first speed sensor, second speed sensor, continuously variable transmission (CVT) and control unit. The control unit receives a user control signal and accordingly controls a speed-changing state of the CVT. While the motorcycle is operating in a manual-operation mode, the control unit predicts, according to the user control signal, a first speed signal sent from the first speed sensor, and a second speed signal sent from the second speed sensor, whether the next gear indicated by the shift request signal will cause the motorcycle to move unsteadily. If so, the control unit ignores the shift request signal and refuses to perform gear shifting. If not, the control unit sends at least a shift control signal to the CVT so that the CVT performs gear shifting.
    Type: Application
    Filed: March 9, 2018
    Publication date: November 15, 2018
    Inventor: KAI-WEN CHENG
  • Publication number: 20180317652
    Abstract: A slide rail assembly includes a first rail, a second rail and a third rail. The second rail is movably mounted between the first rail and the third rail. The second rail and the third rail are movable relative to the first rail. The second rail and the third rail are detachable from the first rail.
    Type: Application
    Filed: November 23, 2017
    Publication date: November 8, 2018
    Inventors: Ken-Ching Chen, Shun-Ho Yang, Kai-Wen Yu, Chun-Chiang Wang
  • Publication number: 20180310713
    Abstract: A seat cushion includes a cushion body, a weight measuring unit coupled to the cushion body, a tilt adjusting unit, a storage unit storing pre-established mapping data, and a controlling unit. The weight measuring unit measures, when a user is sitting on the cushion body, weight of the user applied to the cushion body so as to generate a result of weight measurement. The controlling unit is connected to the weight measuring unit, the tilt adjusting unit and the storage unit, and controls, when the seat cushion is operated in an automatic mode, the tilt adjusting unit to adjust a seat angle of the cushion body with respect to a horizontal reference plane based on the result of weight measurement, a height value and the mapping data.
    Type: Application
    Filed: April 28, 2017
    Publication date: November 1, 2018
    Applicant: National Taiwan Normal University
    Inventors: Jon-Chao HONG, Mei-Yung CHEN, Kai-Wen TAI, Kai-Hsin TAI, Chi-Ruei TSAI
  • Patent number: 10116161
    Abstract: A line ripple compensation technique is provided for a switching power converter operating in both a pulse frequency mode of operation and a pulse width modulation mode of operation.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: October 30, 2018
    Assignee: DIALOG SEMICONDUCTOR INC.
    Inventors: Kai-Wen Chin, Fuqiang Shi, Pengju Kong, David Nguyen
  • Publication number: 20180309846
    Abstract: A method for providing personal information is proposed. A server unit receives preference information of a user from a terminal device, and matches the preference information with another user's preference information in a database according to a matching condition. The server unit provides the another user's preference information to the terminal device when the matching condition is satisfied by the preference information of the user and the another user.
    Type: Application
    Filed: April 21, 2017
    Publication date: October 25, 2018
    Applicant: National Taiwan Normal University
    Inventors: Jon-Chao HONG, Ming-Yueh HWANG, Kai-Hsin TAI, Kai-Wen TAI
  • Publication number: 20180310014
    Abstract: A decoding circuit applied to a multimedia apparatus is provided. The decoding circuit is for decoding encoded data to generate system information, and includes multiple processing circuits and a determination circuit. The multiple processing circuits individually process the encoded data to generate multiple processed signals, and respectively correspond to multiple bit combinations of a part of the system information. The determination circuit determines the system information according to the multiple processed signals.
    Type: Application
    Filed: December 14, 2017
    Publication date: October 25, 2018
    Inventors: KUAN-CHOU LEE, KAI-WEN CHENG, TAI-LAI TUNG
  • Publication number: 20180295992
    Abstract: A slide rail assembly includes a first rail, a second rail, a blocking structure and a locking member. The second rail is movable relative to the first rail. The blocking structure is mounted to the first rail. The locking member is movably mounted to the second rail and configured to abut against the blocking structure, in order to prevent the second rail from being moved relative to the first rail from a retracted position along an opening direction.
    Type: Application
    Filed: October 13, 2017
    Publication date: October 18, 2018
    Inventors: Ken-Ching Chen, Shun-Ho Yang, Kai-Wen Yu, Chun-Chiang Wang
  • Publication number: 20180296627
    Abstract: The present invention provides a method for reducing the expressions of the sterol regulatory element-binding protein 1C (SREBP-1C), acetyl-CoA carboxylase (ACC), and stearoyl-CoA desaturase 1 (SCD-1), comprising administering to a subject a composition comprising an effective amount of a longan pericarp extract. The longan pericarp extract significantly inhibits lipogenesis, reduces the glutamic-pyruvic transaminase (GPT) index, and protects the liver.
    Type: Application
    Filed: April 9, 2018
    Publication date: October 18, 2018
    Inventors: Yung-Hsiang Lin, I-Hui Chen, Kai-Wen Kan
  • Publication number: 20180295990
    Abstract: A slide rail assembly includes a rail, a moving rail, and a damping device. When the moving rail is moved relative to the rail, the damping device is pushed by the moving rail to provide damping effect.
    Type: Application
    Filed: October 15, 2017
    Publication date: October 18, 2018
    Inventors: Ken-Ching Chen, Shun-Ho Yang, Kai-Wen Yu, Chun-Chiang Wang
  • Publication number: 20180301991
    Abstract: A switching power converter is provided that cycles a power switch during a group pulse mode of operation to produce a train of pulses within a group period responsive to a control voltage being within a group mode control voltage range. Depending upon the control voltage, the number of pulses in each train of pulses is varied to provide a linear power delivery to the load.
    Type: Application
    Filed: June 19, 2018
    Publication date: October 18, 2018
    Inventors: Fuqiang Shi, Kai-Wen Chin, Cong Zheng, Jianming Yao, Yong Li
  • Publication number: 20180295989
    Abstract: A slide rail assembly includes a first rail, a second rail, a third rail, a synchronization member and a fastening member. The third rail is movably mounted between the first and second rails. The synchronization member and the fastening member are movably mounted to the third rail. The synchronization member is configured to engage with the second rail, such that the second and third rails can be synchronously moved relative to the first rail along an opening direction. When the second and third rails are moved to a first predetermined position, the synchronization member is disengaged from the second rail. When the third rail is moved from the first predetermined position to a second predetermined position along the opening direction, the third rail is fastened to the first rail by the fastening member to prevent the third rail from being moved relative to the first rail along a retracted direction.
    Type: Application
    Filed: October 16, 2017
    Publication date: October 18, 2018
    Inventors: Ken-Ching Chen, Shun-Ho Yang, Kai-Wen Yu, Chun-Chiang Wang
  • Patent number: 10103078
    Abstract: A method includes providing a semiconductor device disposed on a substrate, wherein the semiconductor device includes a semiconductor device feature, forming a conductive layer over the substrate such that the conductive layer is electrically coupled to the semiconductor device feature, forming a getter layer over the conductive layer, wherein the getter layer includes a first layer that is formed of titanium and a second layer overlying the first layer that is formed of tantalum nitride, and forming an interconnect layer over the getter layer such that the interconnect layer is electrically coupled to the semiconductor device feature.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: October 16, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Yao-Wen Chang, Cheng-Yuan Tsai, Kai-Wen Cheng
  • Publication number: 20180289613
    Abstract: A method for protecting skin is provided, wherein the method comprises administering to a subject in need an effective amount of an orchid callus extract, and the extract is a polar solvent extract of a callus of orchid leaves. The method is especially for moisturizing skin, increasing skin tenderness, increasing skin abundance, increasing skin elasticity, tightening skin, reducing skin textures, delaying skin aging, assisting in increasing content of collagen, repairing skin tissues, preventing skin lesions, and/or promoting wound healing.
    Type: Application
    Filed: April 4, 2018
    Publication date: October 11, 2018
    Inventors: Yung-Hsiang LIN, Cheng-Shing LI, Kai-Wen KAN, Ciao-Ting CHEN, Fu-Chen LIU
  • Publication number: 20180294947
    Abstract: A phase calibration method for a phase locked loop (PLL) circuit in a wireless communication device includes: calculating a header phase error of a header sub-frame of a frame in an input signal and a pilot phase error of a pilot sub-frame of the frame, wherein the header sub-frame and the pilot sub-frame are known data; generating an estimated phase error according to a relationship between the header phase error and the pilot phase error; generating a phase compensating signal according to the estimated phase error and a filtered signal; adjusting the input signal according to the phase compensating signal to generate a compensated input signal; detecting a phase error between a data sub-frame corresponding to the pilot sub-frame in the compensated input signal and a reference signal; and generating the filtered signal according to the phase error.
    Type: Application
    Filed: August 30, 2017
    Publication date: October 11, 2018
    Inventors: Ting-Nan CHO, Kai-Wen CHENG, Tai-Lai TUNG
  • Patent number: 10096767
    Abstract: A Magnetoresistive Tunnel Junction (MTJ) device includes an elongated MTJ structure formed onto a substrate, the MTJ structure including a magnetic reference layer and a tunnel barrier layer. The MTJ device also includes a number of discrete free magnetic regions disposed onto the tunnel barrier layer. The ratio of length to width of the elongated MTJ structure is such that the magnetic field of the magnetic reference layer is pinned in a single direction.
    Type: Grant
    Filed: March 9, 2013
    Date of Patent: October 9, 2018
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chwen Yu, Kai-Wen Cheng, Tien-Wei Chiang, Dong Cheng Chen
  • Patent number: 10085561
    Abstract: A slide rail assembly includes a rail element, a first bracket, an extension frame, a second bracket, a blocking element, and an elastic element. The first bracket is mounted to the rail element and configured to be mounted to a first post. The extension frame is movable relative to the rail element. The second bracket is mounted to the extension frame and configured to be mounted to a second post. The blocking element is movably connected to the second bracket. The elastic element is configured to provide an elastic force to hold the blocking element at a first position relative to the second bracket. When the extension frame is driven by the rail element to move along a direction, the extension frame pushes the blocking element to move from the first position to a second position, such that the second bracket is detachable from the second post.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: October 2, 2018
    Assignees: KING SLIDE WORKS CO., LTD., KING SLIDE TECHNOLOGY CO., LTD.
    Inventors: Ken-Ching Chen, Shun-Ho Yang, Chien-Li Huang, Kai-Wen You, Chun-Chiang Wang
  • Publication number: 20180278260
    Abstract: A bandwidth adjustment method includes obtaining an upper bandwidth limit and a lower bandwidth limit according to an initial upper bandwidth limit and an initial lower bandwidth limit, obtaining an optimum bandwidth according to the upper bandwidth limit and the lower bandwidth limit, and adjusting the initial upper bandwidth limit and the initial lower and width limit according to the optimum bandwidth.
    Type: Application
    Filed: March 1, 2018
    Publication date: September 27, 2018
    Inventors: Ting-Nan CHO, Kai-Wen CHENG, Tai-Lai TUNG
  • Patent number: 10084370
    Abstract: A power switch transistor for a switching power converter is maintained on during a re-startup period by a zener breakdown voltage following a fault condition for the switching power converter. A source voltage from the power switch transistor is used to charge a VCC capacitor that stores a power supply voltage for a controller for the switching power converter.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: September 25, 2018
    Assignee: DIALOG SEMICONDUCTOR INC.
    Inventors: Guang Feng, Pengju Kong, Kai-Wen Chin, Mingsheng Peng
  • Patent number: 10075285
    Abstract: A bandwidth adjusting method for a phase-locked loop (PLL) unit of a phase recovery module includes: adjusting an operating bandwidth of the PLL unit to a first bandwidth; measuring multiple first phase errors between a compensated input signal, which is generated according to an input signal and a phase compensating signal that the PLL unit generates, and a reference clock signal, and obtaining a first statistical value of the first phase errors; adjusting the operating bandwidth of the PLL unit to a second bandwidth; measuring multiple second phase differences between the compensated input signal and the reference clock signal, and obtaining a second statistical value of the second phase differences; and adjusting the operating bandwidth according to the first statistical value and the second statistical value. The first bandwidth and the second bandwidth are obtained by interpolating an upper bandwidth limit and a lower bandwidth limit.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: September 11, 2018
    Assignee: MSTAR SEMICONDUCTOR, INC.
    Inventors: Ting-Nan Cho, Kai-Wen Cheng, Tai-Lai Tung
  • Patent number: D832217
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: October 30, 2018
    Assignee: MIEZO INC.
    Inventors: Wei-Ren Lai, Wei-Hsun Wang, Chao-Ting Wu, Yuan-Ping Liu, Kai-Wen Cheng, Chiao-Yu Hsiao