Patents Represented by Attorney, Agent or Law Firm Justin Boyce Dechert LLP
  • Compact optical performance monitor
    Patent number: 6704509
    Abstract: A monitoring system provides for monitoring the optical performance of a plurality of different channels of a fiber optic network, each channel having an associated channel wavelength. The system includes: means for generating a calibration signal including a plurality of stable calibration wavelengths; means for combining a tapped communication signal and the calibration signal to generate a combined signal; and a multi-channel monitoring device.
    Type: Grant
    Filed: November 17, 2000
    Date of Patent: March 9, 2004
    Assignee: Bayspec, Inc.
    Inventors: Wei Yang, Shu Zhang, Li Chen