Patents by Inventor Injae Jung

Injae Jung 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).

  • In-line type electron gun enabling easy centering between main electrode and auxiliary electrode
    Patent number: 5208507
    Abstract: A screen electrode of an electron gun is by uniting main electrode with an auxiliary electrode. The main electrode has three circular beam passing holes and a pair of guide holes for insertion in arbors of a jig disposed symmetrically around a center beam passing hole thereof. The auxiliary electrode has three elongated beam passing holes and a pair of guide slots for insertion in the arbors of the jig formed in a top edge and a bottom edge of the auxiliary electrode and coaxially positioned with the guide holes, thereby enabling easy centering of the main and auxiliary electrodes.
    Type: Grant
    Filed: November 27, 1991
    Date of Patent: May 4, 1993
    Assignee: Samsung Electron Devices Co., Ltd.
    Inventor: Injae Jung