Patents by Inventor In Hawn Lee

In Hawn 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).

  • Apparatus and method for managing channel resource
    Patent number: 8989211
    Abstract: An apparatus for managing a channel resource by a node sets a channel hopping sequence and a channel hopping offset value which are to be used, divides an assigned time slot into a plurality of subslots, divides a data frame for transmission into a plurality of subframes, and selects a channel for transmitting the plurality of subframes in the plurality of subslots, respectively, by channel hopping based on the channel hopping sequence, the channel hopping offset value, the index of the time slot, and the index of a subslot for transmitting a subframe.
    Type: Grant
    Filed: October 18, 2012
    Date of Patent: March 24, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Wun-Cheol Jeong, Chang Sub Shin, Tae Joon Park, Hoyong Kang, Kyohoon Son, In Hawn Lee, Cheol Sig Pyo
  • WAKEUP-ON-DEMAND APPARATUS AND MEHTOD, SENSOR DEVICE USING THE SAME, AND WAKEUP-ON-DEMAND METHOD OF SENSOR DEVICE
    Publication number: 20110140851
    Abstract: A wakeup-on-demand apparatus includes: a wakeup radio receiver (WRR) receiving a first radio signal to detect an address; and a main radio transceiver (MRT) responding to the first radio signal, transmitting and receiving a second radio signal for data communication, when the detected address coincides with a preset address.
    Type: Application
    Filed: October 28, 2010
    Publication date: June 16, 2011
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Byung Bog LEE, Myung Nam Bae, Jae Hong Ruy, Byeong Cheol Choi, In Hawn Lee, Jong Arm Jun