Patents by Inventor Shen-Lung Liang

Shen-Lung Liang 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).

  • PICTURE-EXHIBITING DEVICE WITH AUDIO SYSTEM
    Publication number: 20120117839
    Abstract: A picture-exhibiting device with an audio system which can be used to demonstrate paintings or photos. The picture-exhibiting device with an audio system includes a frame, a picture fixed on the frame, an electret speaker positioned on the backside of the picture, a fixer disposed at a back side of the picture, a back frame fixed on the frame, a cover covering part of the back frame and the electret speaker, a post amplifier coupling the electret speaker, and an audio signal provider coupling the post amplifier.
    Type: Application
    Filed: March 16, 2011
    Publication date: May 17, 2012
    Applicant: TAIWAN ELECTRETS ELECTRONICS CO., LTD.
    Inventors: Dar-Ming Chiang, Shu-Ru Lin, Shen-Lung Liang, Tzu-Ju Lu