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Class Information
Number: 398/9
Name: Optical communications > Diagnostic testing
Description: Subject matter including means for monitoring or testing for evaluating an operational condition of an optical communication system or its component.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620319 |
Passive optical network monitoring method and passive optical network |
Nov. 17, 2009 |
| 7613108 |
Redundant supervisory control system, and redundancy switching method of the same |
Nov. 3, 2009 |
| 7613959 |
Data receiving apparatus of a PCI express device |
Nov. 3, 2009 |
| 7587112 |
Optical device and light control method |
Sep. 8, 2009 |
| 7561795 |
Dynamic interlayer protection in optical telecommunication networks |
Jul. 14, 2009 |
| 7558479 |
Analysis and control of optical communications systems |
Jul. 7, 2009 |
| 7519295 |
Apparatus and method for commissioning an optical transmission system |
Apr. 14, 2009 |
| 7519110 |
System and method for improving DSL performance |
Apr. 14, 2009 |
| 7477847 |
Optical and electrical channel feedback in optical transceiver module |
Jan. 13, 2009 |
| 7474851 |
Optical transceiver tester |
Jan. 6, 2009 |
| 7475364 |
Interactive topology graphs for visualization and characterization of SONET consumption patterns |
Jan. 6, 2009 |
| 7454138 |
Method for optimizing path of optical network, and optical transmission node for realizing path optimization |
Nov. 18, 2008 |
| 7450844 |
WDM optical transmission equipment with redundant configuration, and wavelength control method of light output in standby system |
Nov. 11, 2008 |
| 7440700 |
Apparatus for testing performance of optical transceiver |
Oct. 21, 2008 |
| 7418203 |
Diagnosis method for standby system of optical ring network |
Aug. 26, 2008 |
| 7414386 |
Methods for testing optical transmitter components |
Aug. 19, 2008 |
| 7415536 |
Address query response method, program, and apparatus, and address notification method, program, and apparatus |
Aug. 19, 2008 |
| 7406260 |
Method and system for network wide fault isolation in an optical network |
Jul. 29, 2008 |
| 7362974 |
Method for planning or provisioning data transport networks |
Apr. 22, 2008 |
| 7324750 |
Protection scheme for a communication network |
Jan. 29, 2008 |
| 7307569 |
Increasing data throughput in optical fiber transmission systems |
Dec. 11, 2007 |
| 7295776 |
Optical LAN device |
Nov. 13, 2007 |
| 7254325 |
Method and system for optical performance monitoring |
Aug. 7, 2007 |
| 7224898 |
Carrier class DWDM optical network audit tool |
May. 29, 2007 |
| 7203460 |
Automated test of receiver sensitivity and receiver jitter tolerance of an integrated circuit |
Apr. 10, 2007 |
| 7197210 |
Method and device for determining and compensating for the tilting of the spectrum in an optical fiber of a data transmission path |
Mar. 27, 2007 |
| 7187860 |
Method and apparatus for detecting localized polarization dependent anomalies on optical transmission lines |
Mar. 6, 2007 |
| 7187861 |
Method and apparatus for testing optical networks |
Mar. 6, 2007 |
| 7184660 |
Method and system for monitoring performance of optical network |
Feb. 27, 2007 |
| 7151884 |
Method and system for re-establishing communication link in a network by using viral communication |
Dec. 19, 2006 |
| 7120356 |
Connection verification for optical switches |
Oct. 10, 2006 |
| 7113703 |
Optical transmission system and optical transmission device |
Sep. 26, 2006 |
| 7099580 |
Method and system for communicating network topology in an optical communications network |
Aug. 29, 2006 |
| 7082266 |
Optical filter and apparatus and method for monitoring optical channel using the optical filter |
Jul. 25, 2006 |
| 7046928 |
Link discovery and verification using loss of light |
May. 16, 2006 |
| 7035544 |
Identification of related communications channels in a wavelength division multiplexed optical network |
Apr. 25, 2006 |
| 7027734 |
Dynamic multi-channel power equalizer and regulator |
Apr. 11, 2006 |
| 7020393 |
Method of synchronizing parallel optical links between communications components |
Mar. 28, 2006 |
| 7013086 |
Access node for optical networks with variable-access wavelengths, user device for connection to such an access node, method for feeding a number of signals from a number of users into an opti |
Mar. 14, 2006 |
| 6999727 |
Method to implement a performance monitoring function on the ground of the retrieved data through FEC (Forward Error Correction) in a telecom network |
Feb. 14, 2006 |
| 6981228 |
Interactive topology graphs for visualization and characterization of SONET consumption patterns |
Dec. 27, 2005 |
| 6975812 |
Optical communication device |
Dec. 13, 2005 |
| 6970250 |
Method and system for optical heterodyne detection of an optical signal that utilizes optical attenuation |
Nov. 29, 2005 |
| 6928242 |
Built in self test method and circuit for parallel optical transmitters |
Aug. 9, 2005 |
| 6922531 |
Method and system for encoding optical communication information during automatic laser shutdown restart sequence |
Jul. 26, 2005 |
| 6920287 |
Smart connect |
Jul. 19, 2005 |
| 6915075 |
Protection of WDM-channels |
Jul. 5, 2005 |
| 6907201 |
Optical power transient control system and method |
Jun. 14, 2005 |
| 6907196 |
Arrangement and method for testing fiber optic telecommunications circuits over dense wavelength division multiplexing (DWDM) |
Jun. 14, 2005 |
| 6885454 |
Measuring apparatus |
Apr. 26, 2005 |
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