Patents by Inventor Hyun W. Jung

Hyun W. 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).

  • Driving motor circuit arranged N counter circuit for camera device
    Patent number: 4958176
    Abstract: A camera having the driving motor circuit of the film transfer including a 3 counter circuit 200 inputting a 1 frame transfer signal that the film is transferred frame by frame once the back cover of camera is closed by user, and outputting a 3 counter signal until the film is transferred 3 frame; a switch 100 outputting a film winding signal according to the input of the 3 counter signal of said 3 counter circuit, and inputting a stop signal of the film winding; and a driving motor 300 outputting the stop signal of the film winding and simultaneously performing the film rewinding once the film winding is initiated and completed according to the film winding signal.
    Type: Grant
    Filed: December 6, 1988
    Date of Patent: September 18, 1990
    Assignee: Samsung Aerospace Industries, Ltd.
    Inventors: Bon J. Ku, Hyun W. Jung