Patents Represented by Attorney Brent Logan

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  • Sonet/SDH signal recognition and selection
    Patent number: 5572515
    Abstract: System for automatic signal recognition and selection in a Synchronous Optical Network (Sonet) and Synchronous Digital Hierarchy (SDH) signal. The system automatically looks for signal location, signal rate, signal structure, signal payload mapping, and signal test patterns and displays the results in a matrix form. A user is allowed to select a specific channel within a specific structure, thereby setting the instrument's receiver.
    Type: Grant
    Filed: December 28, 1994
    Date of Patent: November 5, 1996
    Assignee: Tektronix, Inc.
    Inventors: Alistair Williamson, Robert J. Woolridge