Patents by Inventor Hwi Seob LEE

Hwi Seob LEE 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).

  • Input driver for power amplifier and transmitter
    Patent number: 9735627
    Abstract: An input driver includes a power converting unit and a level adjusting unit. The power converting unit is configured to generate a first power and a second power having an anti-phase relationship based on input power, and process the first power and the second power as differential inputs to output a third power. The level adjusting unit is configured to adjust a voltage level of the third power and output the adjusted power as an input to a power amplifier.
    Type: Grant
    Filed: January 20, 2016
    Date of Patent: August 15, 2017
    Assignees: Samsung Electro-Mechanics Co., Ltd., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Si Hyung Kim, Woo Seok Lee, Youngoo Yang, Hwi Seob Lee, Chul Gyun Park, Sung Uk Lee
  • INPUT DRIVER FOR POWER AMPLIFIER AND TRANSMITTER
    Publication number: 20160241198
    Abstract: An input driver includes a power converting unit and a level adjusting unit. The power converting unit is configured to generate a first power and a second power having an anti-phase relationship based on input power, and process the first power and the second power as differential inputs to output a third power. The level adjusting unit is configured to adjust a voltage level of the third power and output the adjusted power as an input to a power amplifier.
    Type: Application
    Filed: January 20, 2016
    Publication date: August 18, 2016
    Applicants: Samsung Electro-Mechanics Co., Ltd., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Si Hyung KIM, Woo Seok LEE, Youngoo YANG, Hwi Seob LEE, Chul Gyun PARK, Sung Uk LEE