Patents by Inventor Hwan Hwi LEE

Hwan Hwi LEE 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: 20190265575
    Abstract: An apparatus for auto focus having an improved stopper structure includes a base frame configured to give an inner space, a carrier accommodated in the base frame to move in an optical axis direction, a plurality of balls located between the base frame and the carrier, and a stopper provided at an upper portion of the carrier and having a protrusive shape to prevent the plurality of balls from deviating, the stopper allowing an uppermost ball among the plurality of balls to be partially exposed.
    Type: Application
    Filed: February 4, 2019
    Publication date: August 29, 2019
    Inventors: Jae Yong GO, Byung Cheol LEE, Hwan Hwi LEE