Patents by Inventor Hee-Man Bae

Hee-Man Bae 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).

  • Apparatus and method for detecting existence of developing unit and residual amount of toner in image system
    Patent number: 5784665
    Abstract: An apparatus detects a developing unit and a residual amount of toner. The apparatus includes a magnet mounted under the bottom of a developing unit with a specific distance between them. The apparatus generates a sensing signal upon detecting an up anddown movement of the magnet. Then, in response to the sensing signal, the apparatus generates status messages concerning the existence of the developing unit and a residual amount of the toner. From the status messages, the user may easily check the existence of the developing unit and the residual amount of the toner.
    Type: Grant
    Filed: July 31, 1997
    Date of Patent: July 21, 1998
    Assignee: SamSung Electronics Co., Ltd.
    Inventor: Hee-Man Bae