Patents by Inventor Ho-Sub Sin

Ho-Sub Sin 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).

  • Ballast for multiple lamps and method of manufacturing the same
    Patent number: 8106738
    Abstract: Disclosed herein is a ballast for multiple lamps and a method of manufacturing the ballast. A first coil is wound around a bobbin which has a partition formed in the center portion of an inner space thereof. An insulating sheet is stacked on the first coil, and a second coil is wound around the insulating sheet. Two paired core elements are vertically coupled to each other to form each core. Ends of the core elements disposed outside the bobbin are connected, and ends of the core elements disposed inside the bobbin are spaced apart from each other by the thickness of the bobbin partition, to form a path for magnetic flux.
    Type: Grant
    Filed: November 26, 2009
    Date of Patent: January 31, 2012
    Assignee: Sang Yong Illumination Co.
    Inventor: Ho-Sub Sin
  • BALLAST FOR MULTIPLE LAMPS AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20100134044
    Abstract: Disclosed herein is a ballast for multiple lamps and a method of manufacturing the ballast. A first coil is wound around a bobbin which has a partition formed in the center portion of an inner space thereof. An insulating sheet is stacked on the first coil, and a second coil is wound around the insulating sheet. Two paired core elements are vertically coupled to each other to form each core. Ends of the core elements disposed outside the bobbin are connected, and ends of the core elements disposed inside the bobbin are spaced apart from each other by the thickness of the bobbin partition, to form a path for magnetic flux.
    Type: Application
    Filed: November 26, 2009
    Publication date: June 3, 2010
    Applicant: SANG YONG ILLUMINATION CO.
    Inventor: Ho-Sub SIN