Patents by Inventor Yeh-Hung Chen

Yeh-Hung Chen 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: 8054519
    Abstract: The present invention discloses a wavelength-multiplex and space-multiplex holographic storage device, which comprises a storage medium, a plurality of signal light beams and at least one reference light beam. The signal light beams have different wavelengths and illuminate the storage medium. The reference light beam illuminates the storage medium and interferes with the signal light beams to form a plurality of interference patterns. The interference patterns are respectively stored on different-depth storage layers of the storage medium. The present invention not only has a high access rate but also has a large storage capacity.
    Type: Grant
    Filed: February 25, 2009
    Date of Patent: November 8, 2011
    Assignee: National Chiao Tung University
    Inventors: Wei-Chia Su, Yeh-Hung Chen, Te-Yuan Chung
  • Publication number: 20100073747
    Abstract: The present invention discloses a wavelength-multiplex and space-multiplex holographic storage device, which comprises a storage medium, a plurality of signal light beams and at least one reference light beam. The signal light beams have different wavelengths and illuminate the storage medium. The reference light beam illuminates the storage medium and interferes with the signal light beams to form a plurality of interference patterns. The interference patterns are respectively stored on different-depth storage layers of the storage medium. The present invention not only has a high access rate but also has a large storage capacity.
    Type: Application
    Filed: February 25, 2009
    Publication date: March 25, 2010
    Inventors: Wei-Chia Su, Yeh-Hung Chen, Te-Yuan Chung