Patents by Inventor Youn Hwan Ra

Youn Hwan Ra 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).

  • Switching device for right and left image inversion in rear monitoring camera of automobile
    Patent number: 7030778
    Abstract: A switching device for left/right image inversion in a rear monitoring camera of automobile, which can ensure simplicity in assembling the camera and improve reliability of on/off operation by mounting a magnet sensor inside a body of the rear monitoring camera and attaching a magnet to the outside of the body. The switching device for left/right image inversion includes the magnet for generating a magnetic force, a pair of magnet insertion holes formed at a rear side of a casing connected to a printed circuit board mounted inside camera in such a manner as to be spaced apart from each other by a predetermined distance such that the magnet is inserted thereinto, and adapted to form a normal image and a mirror image, respectively.
    Type: Grant
    Filed: August 13, 2002
    Date of Patent: April 18, 2006
    Assignee: Eastern Mastec Corporation
    Inventor: Youn Hwan Ra
  • Switching device for right and left image reversion in rear monitoring camera of automobile
    Publication number: 20030169336
    Abstract: Disclosed is a switching device for left/right image reversion in a rear monitoring camera of automobile, which can ensure simplicity in assembling the camera and improve reliability of on/off operation by mounting a magnet sensor inside a body of the rear monitoring camera and attaching a magnet to the outside of the body.
    Type: Application
    Filed: August 13, 2002
    Publication date: September 11, 2003
    Inventor: Youn Hwan Ra