Patents by Inventor Kai Jie Lai

Kai Jie Lai 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: 10534416
    Abstract: A control method for communicating with an external device includes the steps of: when the external device is coupled to a connector, receiving a device existence voltage from the external device; generating a first control signal and a second control signal according to the device existence voltage; coupling a first voltage source or a second voltage source to the connector according to the first control signal, such that a first voltage of the first voltage source or a second voltage of the second voltage source is used as a supply voltage of the external device; and coupling a third voltage source or a fourth voltage source to an output node according to the second control signal, such that a third voltage of the third voltage source or a fourth voltage of the fourth voltage source is used as a tunable output voltage at the output node.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: January 14, 2020
    Assignee: WIWYNN CORPORATION
    Inventors: Li-Min Chang, Kai Jie Lai, Chia-Hung Yen, Po Yu Chen
  • Publication number: 20190332151
    Abstract: A control method for communicating with an external device includes the steps of: when the external device is coupled to a connector, receiving a device existence voltage from the external device; generating a first control signal and a second control signal according to the device existence voltage; coupling a first voltage source or a second voltage source to the connector according to the first control signal, such that a first voltage of the first voltage source or a second voltage of the second voltage source is used as a supply voltage of the external device; and coupling a third voltage source or a fourth voltage source to an output node according to the second control signal, such that a third voltage of the third voltage source or a fourth voltage of the fourth voltage source is used as a tunable output voltage at the output node.
    Type: Application
    Filed: July 10, 2019
    Publication date: October 31, 2019
    Inventors: Li-Min CHANG, Kai Jie LAI, Chia-Hung YEN, Po Yu CHEN
  • Publication number: 20190286603
    Abstract: An electronic device for communicating with an external device includes a connector, a controller, a first switch element, a second switch element, a first voltage source, a second voltage source, a third voltage source, and a fourth voltage source. When the external device is coupled to the connector, the connector receives a device existence voltage from the external device. The controller generates a first control signal and a second control signal according to the device existence voltage. The first switch element couples the first voltage source or the second voltage source to the connector according to the first control signal. The second switch element couples the third voltage source or the fourth voltage source to an output node according to the second control signal.
    Type: Application
    Filed: June 1, 2018
    Publication date: September 19, 2019
    Inventors: Li-Min CHANG, Kai Jie LAI, Chia-Hung YEN, Po Yu CHEN
  • Patent number: 10394298
    Abstract: An electronic device for communicating with an external device includes a connector, a controller, a first switch element, a second switch element, a first voltage source, a second voltage source, a third voltage source, and a fourth voltage source. When the external device is coupled to the connector, the connector receives a device existence voltage from the external device. The controller generates a first control signal and a second control signal according to the device existence voltage. The first switch element couples the first voltage source or the second voltage source to the connector according to the first control signal. The second switch element couples the third voltage source or the fourth voltage source to an output node according to the second control signal.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: August 27, 2019
    Assignee: WIWYNN CORPORATION
    Inventors: Li-Min Chang, Kai Jie Lai, Chia-Hung Yen, Po Yu Chen