Patents Represented by Attorney Trop, Pruner & Ha, PC

Find this attorney in the Justia Lawyer Directory

  • Controlling a dynamic signal range in an optical time domain reflectometry
    Patent number: 7586617
    Abstract: A technique includes providing an optical source signal to an optical fiber to produce a backscatter signal. A receiver is provided to detect the backscatter signal. During an acquisition period in which the backscatter signal is present, a sensitivity of the receiver is varied with respect to time to regulate an input signal range of an amplifier of the receiver.
    Type: Grant
    Filed: June 22, 2007
    Date of Patent: September 8, 2009
    Assignees: Schlumberger Technology Corporation, BP Exploration Operating Co. Ltd.
    Inventors: Arthur Hartog, Kamal Kadar