Patents by Inventor Jae-Gwang Shim

Jae-Gwang Shim 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).

  • SYSTEM AND METHOD FOR INDOOR POSITIONING USING LED LIGHTING
    Publication number: 20110176803
    Abstract: A system for performing indoor positioning using a Light Emitting Diode (LED) lighting unit is provided. The system includes the LED lighting unit for determining whether transmission packet data exists in a frame to be transmitted, modulating the transmission packet data in accordance with a predetermined method in order to maintain a uniform brightness of the LED lighting unit when the transmission packet data exists, and transmitting the frame including the modulated transmission packet data. The system also includes a mobile terminal for receiving the frame, demodulating the modulated transmission packet data to determine the transmission packet data, and performing indoor positioning by using the demodulated transmission packet data and information included in the frame.
    Type: Application
    Filed: January 18, 2011
    Publication date: July 21, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ki-Uk Song, Dae-Kwang Jung, Jeong-Seok Choi, Hong-Seok Shin, Kyung-Woo Lee, Sung-Bum Park, Jae-Gwang Shim