Patents by Inventor Brett J. Fox

Brett J. Fox 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).

  • Communication circuit having network connection detection capability
    Patent number: 6233689
    Abstract: Methods and apparatus for providing network communications capability to a computer system in accordance with standard communication line protocols are described, including interface circuits which sense various characteristics of the communication lines to control or provide signals to control power to line drivers and/or other substantial power consuming circuitry to conserve power when communication line conditions indicate powering such circuits is not useful. Various embodiments are disclosed.
    Type: Grant
    Filed: November 8, 1999
    Date of Patent: May 15, 2001
    Assignee: Maxim Integrated Products, Inc.
    Inventors: Charles M. Allen, Brett J. Fox, Sui Ping Shieh, Robert Bruce Denmark
  • Communication circuit having network connection detection capability
    Patent number: 6000003
    Abstract: Methods and apparatus for providing network communications capability to a computer system in accordance with standard communication line protocols are described, including interface circuits which sense various characteristics of the communication lines to control or provide signals to control power to line drivers and/or other substantial power consuming circuitry to conserve power when communication line conditions indicate powering such circuits is not useful. Various embodiments are disclosed.
    Type: Grant
    Filed: September 19, 1996
    Date of Patent: December 7, 1999
    Assignee: Maxim Integrated Products, Inc.
    Inventors: Charles M. Allen, Brett J. Fox, Sui Ping Shieh, Robert Bruce Denmark
  • Communication interface circuit having network connection detection capability
    Patent number: 5799194
    Abstract: Methods and apparatus for providing network communications capability to a computer system in accordance with standard communication line protocols are described, including interface circuits which sense various characteristics of the communication lines to control or provide signals to control power to line drivers and/or other substantial power consuming circuitry to conserve power when communication line conditions indicate powering such circuits is not useful. Various embodiments are disclosed.
    Type: Grant
    Filed: September 28, 1995
    Date of Patent: August 25, 1998
    Assignee: Maxim Integrated Products
    Inventors: Charles M. Allen, Brett J. Fox, Sui Ping Shieh