Patents by Inventor Cha-Woon Choo

Cha-Woon Choo 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).

  • Camera flash control device and method thereof for preventing red-eye phenomenon
    Patent number: 5694626
    Abstract: A camera flash control device and method thereof for preventing red-eye phenomenon which can prevent red-eye phenomenon by controlling the amount of light and a number of times the light is emitted from a flash according to a distance measured from an object to a camera with a built-in flash. The camera flash control device comprises a first photographic mode selector, an automatic distance measuring circuit, a zoom position sensor, a second photographic mode selector, a micro-controller and a flash.
    Type: Grant
    Filed: December 27, 1996
    Date of Patent: December 2, 1997
    Assignee: Samsung Aerospace Industries, Ltd.
    Inventors: Bon-Jeong Goo, Cha-Woon Choo