Patents by Inventor Ha Oh

Ha Oh 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).

  • Publication number: 20070120676
    Abstract: The present invention discloses an RFID (Radio Frequency Identification) system for reading and writing an identification information of an RFID tag in a non-contacting manner using a radio frequency. In accordance with RFID system of the present invention, a threshold value of a comparator is adjusted in order to accurately detect a response signal dynamically generated according to an environmental condition including a distance between a reader and the tag.
    Type: Application
    Filed: November 22, 2006
    Publication date: May 31, 2007
    Inventors: Jun Seok PARK, Ha Oh, Yeong Seong
  • Publication number: 20070120677
    Abstract: The present invention discloses an RFID (Radio Frequency Identification) system for reading and writing an identification information of an RFID tag in a non-contacting manner using a radio frequency. In accordance with RFID system of the present invention, a peak value of a response signal dynamically generated according to an environmental condition including a distance between a reader and the tag is detected, and an identification information provided from the tag is accurately read base on the peak value.
    Type: Application
    Filed: November 22, 2006
    Publication date: May 31, 2007
    Inventors: Jun Seok PARK, Ha Oh, Yeong Seong