Patents by Inventor Jong Ik Jang

Jong Ik Jang 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).

  • Method for transmitting near video on demand (NVoD) using catch and rest (CAR) and sub-channels
    Patent number: 8272021
    Abstract: The present invention discloses a method for transmitting Near Video on Demand (NVoD) using Catch and Rest (CAR) and sub-channels which includes: dividing an L-sized content into N segments using the CAR broadcasting scheme, allocating the segments to K channels including a replicate channel, and broadcasting the segments; dividing a first segment S1R (SiR represents an i-th segment of a regular channel) into Nsb sub-segments again at given bandwidth using the harmonic broadcasting scheme, and dividing an i-th sub-segment Sisb into i segments again; broadcasting the sub-segments {Si.1sb, . . . , Si.isb} in n sub-channels; and adding the segments {S2R, . . . , SNR} to a sub-layer and broadcasting the segments, the first segment broadcast in the first channel being divided and allocated to a few sub-channels, the succeeding segments broadcast in the other channels being just shifted and broadcast.
    Type: Grant
    Filed: October 20, 2009
    Date of Patent: September 18, 2012
    Assignee: Sungkyunkwan University Foundation for Corporate Collaboration
    Inventors: Hee Yong Youn, Jong Ik Jang
  • METHOD FOR TRANSMITTING NEAR VIDEO ON DEMAND (NVoD) USING CATCH AND REST (CAR) AND SUB-CHANNELS
    Publication number: 20100186054
    Abstract: The present invention discloses a method for transmitting Near Video on Demand (NVoD) using Catch and Rest (CAR) and sub-channels which includes: dividing an L-sized content into N segments using the CAR broadcasting scheme, allocating the segments to K channels including a replicate channel, and broadcasting the segments; dividing a first segment S1R (SiR represents an i-th segment of a regular channel) into Nsb sub-segments again at given bandwidth using the harmonic broadcasting scheme, and dividing an i-th sub-segment Sisb into i segments again; broadcasting the sub-segments {Si.1sb, . . . , Si.isb} in n sub-channels; and adding the segments {S2R, . . . , SNR} to a sub-layer and broadcasting the segments, the first segment broadcast in the first channel being divided and allocated to a few sub-channels, the succeeding segments broadcast in the other channels being just shifted and broadcast.
    Type: Application
    Filed: October 20, 2009
    Publication date: July 22, 2010
    Applicant: SUNGKYUNKWAN UNIVERSITY Foundatioin for Corporate Collaboration
    Inventors: Hee Yong Youn, Jong Ik Jang