Patents by Inventor Sung-Chan Huang

Sung-Chan Huang 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).

  • Woofer module of a portable computer
    Patent number: 6798654
    Abstract: A woofer module is used for outputting alow-frequency audio signal, and can be inserted into and removed from anexpansion slot of a portable computer. The woofer module has a housing, a speaker unit positioned inside the housing for generating the audio signal, a predetermined space positioned inside the housing for resonating the audio signal, and a bass reflex duct positioned inside the housing which is connected to an output vent of the predetermined space and an output vent of the housing for transmitting the audio signal from the output vent of the housing to an ambientenvironment.
    Type: Grant
    Filed: March 19, 2003
    Date of Patent: September 28, 2004
    Assignee: Wistron Corporation
    Inventors: Hung-Yue Chang, Chu-Chia Tsai, Shu-Hsien Chu, Chien-Te Li, Wen-Chi Chen, Jin-Ming Chen, Sung-Chan Huang, Tung-Yang Li
  • WOOFER MODULE OF A PORTABLE COMPUTER
    Publication number: 20040062001
    Abstract: A woofer module is used for outputting alow-frequency audio signal, and can be inserted into and removed from anexpansion slot of a portable computer. The woofer module has a housing, a speaker unit positioned inside the housing for generating the audio signal, a predetermined space positioned inside the housing for resonating the audio signal, and a bass reflex duct positioned inside the housing which is connected to an output vent of the predetermined space and an output vent of the housing for transmitting the audio signal from the output vent of the housing to an ambientenvironment.
    Type: Application
    Filed: March 19, 2003
    Publication date: April 1, 2004
    Inventors: Hung-Yue Chang, Chu-Chia Tsai, Shu-Hsien Chu, Chien-Te Li, Wen-Chi Chen, Jin-Ming Chen, Sung-Chan Huang, Tung-Yang Li