Patents by Inventor Kyujin Oh

Kyujin Oh 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).

  • Power amplifier with supply switching
    Patent number: 8884702
    Abstract: To improve upon efficiency of a transmitter's power amplifier during low power operation, a switching system is used to selectively switch between different (e.g., normal and reduced) power supplies. Suitable hardware/software in the form of circuitry, logic gates, and/or code functions to process, amplify, and transmit an input RF signal and selectively switch IN/OUT a plurality of supply voltages using control logic.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: November 11, 2014
    Assignee: Broadcom Corporation
    Inventors: Ali Afsahi, Arya Reza Behzad, Ali Karimi-Sanjaani, Dandan Li, Kyujin Oh, Prasad Sitaram
  • POWER AMPLIFIER WITH SUPPLY SWITCHING
    Publication number: 20140079096
    Abstract: To improve upon efficiency of a transmitter's power amplifier during low power operation, a switching system is used to selectively switch between different (e.g., normal and reduced) power supplies. Suitable hardware/software in the form of circuitry, logic gates, and/or code functions to process, amplify, and transmit an input RF signal and selectively switch IN/OUT a plurality of supply voltages using control logic.
    Type: Application
    Filed: September 14, 2012
    Publication date: March 20, 2014
    Applicant: BROADCOM CORPORATION
    Inventors: Ali Afsahi, Arya Reza Behzad, Ali Karimi-Sanjaani, Dandan Li, Kyujin Oh, Prasad Sitaram