Patents by Inventor Sun-Min Choi

Sun-Min Choi 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).

  • Patent number: 7003199
    Abstract: The present invention relates to a tunable distribution compensator, including: an optical fiber having a chirped optical fiber grating; first and second frames having first and second stepped portions, respectively, wherein the first stepped portion is symmetrically faced to the second stepped portion; a first metal plate with a predetermined length for attaching the optical fiber; a second metal plate seated on the first and second stepped portions; and a bending unit connected to the first and second frames and the second metal plate for symmetrically bending the optical fiber.
    Type: Grant
    Filed: December 27, 2004
    Date of Patent: February 21, 2006
    Assignee: Korea Institute of Science and Technology
    Inventors: Sun-Min Choi, Jun-Kye Bae, Jun-Hee Kim, Young-Geun Han, Sang-Hyuck Kim, Sang-Bae Lee
  • Publication number: 20050169578
    Abstract: The present invention relates to a tunable distribution compensator, including: an optical fiber having a chirped optical fiber grating; first and second frames having first and second stepped portions, respectively, wherein the first stepped portion is symmetrically faced to the second stepped portion; a first metal plate with a predetermined length for attaching the optical fiber; a second metal plate seated on the first and second stepped portions; and a bending unit connected to the first and second frames and the second metal plate for symmetrically bending the optical fiber.
    Type: Application
    Filed: December 27, 2004
    Publication date: August 4, 2005
    Inventors: Sun-Min Choi, Jun-Kye Bae, Jun-Hee Kim, Young-Geun Han, Sang-Hyuck Kim, Sang-Bae Lee