Patents by Inventor Andy Ye Tong

Andy Ye Tong 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).

  • Circuit for detecting when a microphone is connected and method for use therewith
    Publication number: 20080144846
    Abstract: A circuit for detecting when a microphone is connected to a microphone coupling includes a detection signal generator that asserts a microphone detection signal. A microphone power module supplies a microphone current to the microphone coupling in response to the assertion of the microphone detection signal. A microphone detection module detects when the microphone is not connected to the microphone coupling based on an impedance of the microphone coupling, wherein the microphone power module disconnects the microphone current from the microphone coupling when the microphone is not connected to the microphone coupling. In an embodiment, the circuit further detects when a microphone button is depressed.
    Type: Application
    Filed: December 18, 2006
    Publication date: June 19, 2008
    Inventors: Nelson R. Sollenberger, Hongwei Kong, Andy Ye Tong, Todd L. Brooks