Patents by Inventor Tsai-Yi Sung

Tsai-Yi Sung 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).

  • Capacitor amplifying circuit and operating method thereof
    Patent number: 8816760
    Abstract: A capacitor amplifying circuit and an operating method thereof are disclosed. The capacitor amplifying circuit includes a first current source, a second current source, a current mirror unit, and an output capacitor. There is a proportion relationship between a first current of the first current source and a second current of the second current source. The current mirror unit is coupled between the first current source and the second current source. The current mirror unit includes N stages of current mirror circuit in series, wherein N is larger than or equal to 1. Each of the N stages of current mirror circuit has a proportional constant respectively. Two terminals of the output capacitor are coupled to the current mirror unit and a ground terminal respectively. The equivalent capacitance magnification of the output capacitor is related to the proportional constants based on the proportion relationship.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: August 26, 2014
    Assignee: UPI Semiconductor Corporation
    Inventor: Tsai-Yi Sung
  • Capacitor Amplifying Circuit and Operating Method Thereof
    Publication number: 20130241635
    Abstract: A capacitor amplifying circuit and an operating method thereof are disclosed. The capacitor amplifying circuit includes a first current source, a second current source, a current mirror unit, and an output capacitor. There is a proportion relationship between a first current of the first current source and a second current of the second current source. The current mirror unit is coupled between the first current source and the second current source. The current mirror unit includes N stages of current mirror circuit in series, wherein N is larger than or equal to 1. Each of the N stages of current mirror circuit has a proportional constant respectively. Two terminals of the output capacitor are coupled to the current mirror unit and a ground terminal respectively. The equivalent capacitance magnification of the output capacitor is related to the proportional constants based on the proportion relationship.
    Type: Application
    Filed: March 7, 2013
    Publication date: September 19, 2013
    Applicant: UPI SEMICONDUCTOR CORPORATION
    Inventor: Tsai-Yi Sung