Patents by Inventor Leslie C. KOO

Leslie C. KOO 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).

  • Loudspeaker device
    Patent number: 10051362
    Abstract: A loudspeaker device is provided, including a first speaker module, a second speaker module, and a third speaker module. The first speaker module includes first, second, third, fourth, and fifth speaker units facing different directions. The second speaker module includes a sixth speaker unit, and the third speaker module includes a seventh speaker unit. The first, second, third, fourth, fifth, sixth, and seventh speaker units are arranged along a central axis of the loudspeaker device, and the output sound frequencies of the first, second, and third speaker units are less than those of the fourth, fifth, sixth, and seventh speaker units.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: August 14, 2018
    Inventor: Leslie C. Koo
  • LOUDSPEAKER DEVICE
    Publication number: 20180160222
    Abstract: A loudspeaker device is provided, including a first speaker module, a second speaker module, and a third speaker module. The first speaker module includes first, second, third, fourth, and fifth speaker units facing different directions. The second speaker module includes a sixth speaker unit, and the third speaker module includes a seventh speaker unit. The first, second, third, fourth, fifth, sixth, and seventh speaker units are arranged along a central axis of the loudspeaker device, and the output sound frequencies of the first, second, and third speaker units are less than those of the fourth, fifth, sixth, and seventh speaker units.
    Type: Application
    Filed: March 1, 2017
    Publication date: June 7, 2018
    Inventor: Leslie C. KOO