Patents by Inventor Sofia C. HAO

Sofia C. HAO 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).

  • Wireless charging system
    Publication number: 20170187219
    Abstract: A charging system may be provided that include an adapter to receive an external power and to provide an output voltage, and a charging device to receive the output voltage and to provide a wireless power. The adapter may adjust the output voltage based on feedback information. The charging device may include a power amplifier to receive the output voltage directly from the adapter, a power transmitter to transmit the wireless power, a wireless communication device to receive power information from an external electronic device, and a feedback device to provide a feedback signal or feedback information to the adapter based on the power information.
    Type: Application
    Filed: December 24, 2015
    Publication date: June 29, 2017
    Inventors: Don J. Nguyen, Songnan Yang, Sofia C. HAO
  • ELECTRONIC DEVICE HAVING PLURALITY OF VOLTAGE RAILS
    Publication number: 20150001933
    Abstract: An electronic device may include a plurality of voltage rails to provide voltages to components of a load, a plurality of voltage regulators, and a buck converter apparatus to separately couple to more than one of the plurality of voltage rails and to provide a voltage to at least a specific one of the voltage rails.
    Type: Application
    Filed: June 28, 2013
    Publication date: January 1, 2015
    Inventors: Alexander B. UAN-ZO-LI, Jorege P. RODRIGUEZ, Sofia C. HAO, David W. BROWNING, Jeffrey A. CARLSON, Tawfik M. RAHAL-ARABI, Jeffrey L. KRIEGER