Patents by Inventor Yong-Joo Byun

Yong-Joo Byun 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).

  • Wireless phone having improved SAR
    Patent number: 7099632
    Abstract: A wireless phone having an improved SAR includes: a lower plate having a main board; an upper plate having an LCD panel; a hinge provided to open and close the lower plate and the upper plate, the main board and the LCD panel being connected to each other by a flexible PCB; and an antenna feed point formed in the first circuit board. Particularly, ground planes are provided in the main board and the LCD panel and are connected to each other by at least two connection terminals. One of the connection terminals is provided to have a ground contact of the first circuit board within the range of 2 cm away from the antenna feed point. The connection terminal having the ground contact is provided using a central shaft of the hinge or a separator conductor.
    Type: Grant
    Filed: January 9, 2003
    Date of Patent: August 29, 2006
    Inventors: Choong-Sheek Hong, Yong-Joo Byun
  • Wireless phone having improved SAR
    Publication number: 20040203529
    Abstract: A wireless phone having an improved SAR includes: a lower plate having a main board; an upper plate having an LCD panel; a hinge provided to open and close the lower plate and the upper plate, the main board and the LCD panel being connected to each other by a flexible PCB; and an antenna feed point formed in the first circuit board. Particularly, ground planes are provided in the main board and the LCD panel and are connected to each other by at least two connection terminals. One of the connection terminals is provided to have a ground contact of the first circuit board within the range of 2 cm away from the antenna feed point. The connection terminal having the ground contact is provided using a central shaft of the hinge or a separator conductor.
    Type: Application
    Filed: January 9, 2003
    Publication date: October 14, 2004
    Inventors: Choong-Sheek Hong, Yong-Joo Byun