Patents by Inventor Jeong Gi Hong

Jeong Gi Hong 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).

  • Auxiliary power unit for emergency light in case of fire or power failure
    Patent number: 9350200
    Abstract: An APU for an emergency light in case of a fire or power failure includes: a regular power input unit; an emergency power input unit; a changeover switch configured to switch the power input such that the emergency light is automatically turned on by the emergency power in case of a power failure of the regular power; a firefighting power monitoring relay operated by firefighting power when a fire occurs; a firefighting-power-monitoring-relay contact switch configured to connect power from an ATS to the emergency power input unit in connection with the firefighting power monitoring relay; a fire driving unit operated by the power inputted to the emergency power input unit; and an emergency light auto lighting switch configured to connect the emergency light to the regular power input unit, such that the emergency light is automatically turned on.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: May 24, 2016
    Assignees: HYUNG JE ELECTRIC CO., LTD.
    Inventors: Jeong Gi Hong, Min Ki Hong