Patents by Inventor Joo H. Nam

Joo H. Nam 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).

  • Device and method for displaying a residual amount of cartridge ribbon for a color video printer
    Patent number: 5333960
    Abstract: A device for displaying a residual amount of cartridge ribbons in a color video printer. The rotational period of a supply reel or a take-up reel, is detected and the detected rotational period is compared with previously stored reference periods. A present residual amount is displayed based on the comparison so that a user can know how many more sheets can be printed with the ribbon cartridge.
    Type: Grant
    Filed: November 23, 1992
    Date of Patent: August 2, 1994
    Assignee: SamSung Electronics Co., Ltd.
    Inventor: Joo H. Nam