Patents by Inventor Jenn-Luen Chu

Jenn-Luen Chu 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).

  • Publication number: 20050249355
    Abstract: A feedback active noise cancellation headphone is disclosed. A plurality of microphone sensors are disposed in front of the left and the right speakers of the headphone for improving the sound reception quality of the microphone sensors, so that the active noise controlling circuit generates an inverse phase soundwave accurately for countering the low frequency noise, and further to improve the noise reduction performance of the active noise cancellation headphone.
    Type: Application
    Filed: July 28, 2003
    Publication date: November 10, 2005
    Inventors: Te-Lun Chen, Jenn-Luen Chu, Patrick Lee, Hsueh-Chin Lin