Patents by Inventor Kai-Jen PAI

Kai-Jen PAI 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: 20200070005
    Abstract: A muscle training equipment configured to train at least one target muscle of human body and including frame, at least one vibration detector, and at least one resistance adjustment assembly. The at least one vibration detector is configured to be disposed on the at least one target muscle so as to produce at least one muscle vibration signal based on the activity of the at least one target muscle. The at least one resistance adjustment assembly includes motor, handle and linkage assembly. The motor is disposed on the frame and has resistance-adjustable shaft. An end of the linkage assembly is fixed to the resistance-adjustable shaft, and another end of the linkage assembly is pivotally connected to the handle. The at least one resistance adjustment assembly is configured to adjust a resistance force applied on the resistance-adjustable shaft according to the at least one muscle vibration signal.
    Type: Application
    Filed: August 16, 2019
    Publication date: March 5, 2020
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Tsung-Chi LIN, Jyun-Liang PAN, Kai-Jen PAI, Zhong-We LIAO, Yen-Chung CHANG, Szu-Han TZAO, Ching Yi LIU
  • Patent number: 9065288
    Abstract: A current compensation module, a charging apparatus, and a charging apparatus controlling method are disclosed. The current compensation module is used for controlling an outputted charging current in order to charge a battery module. The current compensation module includes a transition unit, a proportional controlling unit, and an integral controlling unit. The transition unit allows an internal signal of the current compensation module increasing from a first voltage. When the internal signal attains to a second voltage, the proportional controlling unit will output a proportional controlling signal to adjust the charging current. When the charging current attains to a rated output current, the integral controlling unit incorporates with the proportional controlling unit to output a proportional-integral controlling signal in order to control and adjust the charging current for the battery module, and to suppress the output overshoot current of the charging apparatus.
    Type: Grant
    Filed: April 29, 2013
    Date of Patent: June 23, 2015
    Assignee: LITE-ON TECHNOLOGY CORPORATION
    Inventors: Kai-Jen Pai, Chu-Chung Hsieh, Ming-De Chien
  • Publication number: 20140152270
    Abstract: A current compensation module, a charging apparatus, and a charging apparatus controlling method are disclosed. The current compensation module is used for controlling an outputted charging current in order to charge a battery module. The current compensation module includes a transition unit, a proportional controlling unit, and an integral controlling unit. The transition unit allows an internal signal of the current compensation module increasing from a first voltage. When the internal signal attains to a second voltage, the proportional controlling unit will output a proportional controlling signal to adjust the charging current. When the charging current attains to a rated output current, the integral controlling unit incorporates with the proportional controlling unit to output a proportional-integral controlling signal in order to control and adjust the charging current for the battery module, and to suppress the output overshoot current of the charging apparatus.
    Type: Application
    Filed: April 29, 2013
    Publication date: June 5, 2014
    Inventors: Kai-Jen PAI, Chu-Chung HSIEH, Ming-De CHIEN