Patents by Inventor Fu-Yih Shih

Fu-Yih Shih 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).

  • Power supply interruption circuit for an audio power amplifier
    Patent number: 5365201
    Abstract: This invention provides an automatic current interruption to protect the audio power amplifier circuitry when current conditions above the capacity of the power amplifier are encountered. The circuit monitors the current supplied to the power amplifier and utilizes a transistor to interrupt power amplifier output. Power output is latched in its interrupted state until reset and is capable of quickly and effectively shutting down power supply output.
    Type: Grant
    Filed: June 16, 1993
    Date of Patent: November 15, 1994
    Inventors: Kelvin Shih, Fu-Yih Shih