Patents by Inventor Eun-sang Choo

Eun-sang Choo 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).

  • ASYNCHRONOUS MAC PROTOCOL BASED SENSOR NODE AND DATA TRANSMITTING AND RECEIVING METHOD THROUGH THE SAME
    Publication number: 20100150043
    Abstract: Disclosed is an asynchronous MAC based sensor node using a Wake-Up RF. The sensor node includes a main transceiver to transmit/receive data, a Wake-Up transceiver to transit a state of the sensor node; and a micro-control unit, which transmits a Wake-Up frame to at least one receiving node through the Wake-Up transceiver such that the receiving node is activated from an inactive state into an active state and transmits data to the activated receiving node through the main transceiver.
    Type: Application
    Filed: December 3, 2009
    Publication date: June 17, 2010
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Se-han KIM, Nae-soo Kim, Cheol-sig Pyo, Eun-sang Choo, Byung-kwan Cho