Patents Represented by Attorney David & Associates

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  • Subscriber line interface circuitry
    Patent number: 7254230
    Abstract: A subscriber line interface circuit apparatus includes a signal processor having sense inputs for sensed tip and ring signals of a subscriber loop. The signal processor generates linefeed driver control signals in response to the sensed signals. A linefeed driver provides the sensed tip and ring signals. The linefeed driver drives the subscriber loop in accordance with the linefeed driver control signals.
    Type: Grant
    Filed: March 30, 2005
    Date of Patent: August 7, 2007
    Assignee: Silicon Laboratories, Inc.
    Inventors: Jerrell P. Hein, Navdeep S. Sooch