Patents by Inventor Sang-Man Ham

Sang-Man Ham 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).

  • Paper width detecting apparatus and method for ink-jet printer
    Patent number: 6039481
    Abstract: A paper width detecting apparatus and method for an inkjet printer includes a right paper support integrally formed with a right home position detecting rib; a paper feeding portion for receiving paper sheets and supplying them for printing with the left paper guide movable left and right to tightly fix the paper at the reference of the right paper support; a paper feeding roller for supplying the paper sheets received from the paper feeding portion; a carrier that reciprocates for printing on the paper sheets supplied through the rotation of the paper feeding roller; a photosensor for detecting a light signal output from a light emitting device mounted on the left paper end detecting rib to determine a paper width.
    Type: Grant
    Filed: January 4, 1999
    Date of Patent: March 21, 2000
    Assignee: SamSung Electronics Co., Ltd.
    Inventor: Sang-Man Ham