Patents by Inventor Jay-Min Lee

Jay-Min Lee 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).

  • Sound focus speaker of gas-filled sound lens attachment type
    Patent number: 7204342
    Abstract: A sound focus speaker adopting a gas-filled sound lens enhances efficiency of transferring sound from a source to target area and of protecting a spread of transferred sound. The sound focus speaker includes a gas-filled sound lens, sound sources for generating sound and a sound-absorption room for surrounding the sound lens and the sound sources. Sound emitted from the sound focus speaker is focused at specific distance to make a focus point and not spread to the outer of the focus point from forming a sound area.
    Type: Grant
    Filed: April 25, 2003
    Date of Patent: April 17, 2007
    Assignee: Postech Foundation
    Inventor: Jay-Min Lee
  • Sound focus speaker of gas-filled sound lens attachment type
    Publication number: 20050224282
    Abstract: A sound focus speaker adopting a gas-filled sound lens enhances efficiency of transferring sound from a source to target area and of protecting a spread of transferred sound. The sound focus speaker includes a gas-filled sound lens, sound sources for generating sound and a sound-absorption room for surrounding the sound lens and the sound sources. Sound emitted from the sound focus speaker is focused at specific distance to make a focus point and not spread to the outer of the focus point from forming a sound area.
    Type: Application
    Filed: April 25, 2003
    Publication date: October 13, 2005
    Applicant: POSTECH FOUNDATION
    Inventor: Jay-Min Lee