Patents by Inventor David Paul Chabinec

David Paul Chabinec 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).

  • Patent number: 8705728
    Abstract: A device includes a plurality of subscriber line interface circuits and a shared protection device. Each subscriber line interface circuit has a voltage input terminal and first and second interface line terminals. The shared protection device is coupled to the interface line terminals and operable to sense a negative reference voltage representing a most negative one of the voltages present on the voltage input terminals and to provide overvoltage protection responsive to a voltage on at least one of the interface line terminals exceeding the negative reference voltage.
    Type: Grant
    Filed: September 20, 2010
    Date of Patent: April 22, 2014
    Assignee: Microsemi Semiconductor (U.S.) Inc.
    Inventors: Qiangsheng Charssen Ge, Elizabeth Ellen Perry, David Paul Chabinec
  • Publication number: 20120069990
    Abstract: A device includes a plurality of subscriber line interface circuits and a shared protection device. Each subscriber line interface circuit has a voltage input terminal and first and second interface line terminals. The shared protection device is coupled to the interface line terminals and operable to sense a negative reference voltage representing a most negative one of the voltages present on the voltage input terminals and to provide overvoltage protection responsive to a voltage on at least one of the interface line terminals exceeding the negative reference voltage.
    Type: Application
    Filed: September 20, 2010
    Publication date: March 22, 2012
    Inventors: Qiangsheng Charssen Ge, Elizabeth Ellen Perry, David Paul Chabinec