Patents by Inventor Doh-Wook Kim

Doh-Wook Kim 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).

  • Patent number: 8019300
    Abstract: Provided are a multi-channel tuning receiver, including: a broadband radio frequency (RF) tuner to receive a broadband signal, divide the broadband signal into a plurality of signals, tune the divided signals, combine the tuned signals into a single signal, and output the combined single signal; an analog-to-digital (A/D) converter to convert the combined single signal to digital signal; a channelizer to extract only a bonded channel from the digital signal; and a plurality of demodulators to demodulate the bonded channel, and a multi-channel tuning method thereof.
    Type: Grant
    Filed: November 18, 2008
    Date of Patent: September 13, 2011
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yang Su Kim, Han Seung Koo, Doh-Wook Kim, Yun Jeong Song, Soo In Lee
  • Patent number: 7970005
    Abstract: Provided is a channel bonding receiving apparatus and method for expanding a channel bonding receiving band in a cable modem. The channel bonding receiving apparatus includes a channel bonding dividing unit for dividing a channel bonding broadband signal into a plurality of band signals and extracting a corresponding channel bonding signal from each of the divided band signals; and a channel routing unit for routing each of the extracted channel bonding signals to a corresponding demodulator.
    Type: Grant
    Filed: September 25, 2008
    Date of Patent: June 28, 2011
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Han-Seung Koo, Yang-Su Kim, Doh-Wook Kim, Yun-Jeong Song, Soo-In Lee
  • Publication number: 20090141833
    Abstract: Provided are a multi-channel tuning receiver, including: a broadband radio frequency (RF) tuner to receive a broadband signal, divide the broadband signal into a plurality of signals, tune the divided signals, combine the tuned signals into a single signal, and output the combined single signal; an analog-to-digital (A/D) converter to convert the combined single signal to digital signal; a channelizer to extract only a bonded channel from the digital signal; and a plurality of demodulators to demodulate the bonded channel, and a multi-channel tuning method thereof.
    Type: Application
    Filed: November 18, 2008
    Publication date: June 4, 2009
    Inventors: Yang Su KIM, Han Seung KOO, Doh-Wook KIM, Yun Jeong SONG, Soo In LEE
  • Publication number: 20090109997
    Abstract: Provided is a channel bonding receiving apparatus and method for expanding a channel bonding receiving band in a cable modem. The channel bonding receiving apparatus includes a channel bonding dividing unit for dividing a channel bonding broadband signal into a plurality of band signals and extracting a corresponding channel bonding signal from each of the divided band signals; and a channel routing unit for routing each of the extracted channel bonding signals to a corresponding demodulator.
    Type: Application
    Filed: September 25, 2008
    Publication date: April 30, 2009
    Inventors: Han-Seung KOO, Yang-Su KIM, Doh-Wook KIM, Yun-Jeong SONG, Soo-In LEE