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Class Information
Number: 398/31
Name: Optical communications > Diagnostic testing > Determination of communication parameter > Using supervisory signal > Different wavelengths for diagnostic and communication
Description: Subject matter wherein the supervisory signal has a different wavelength than that of for message transmission.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7616891 |
System and method for transmission and reception of traffic in optical light-trails |
Nov. 10, 2009 |
| 7596314 |
Optical communication management systems |
Sep. 29, 2009 |
| 7583902 |
Module to module signaling utilizing amplitude modulation |
Sep. 1, 2009 |
| 7580632 |
Method and apparatus for managing lightpaths in optically-routed networks |
Aug. 25, 2009 |
| 7561798 |
Testing a fiber link in a communication system without interrupting service |
Jul. 14, 2009 |
| 7555215 |
Optical wavelength division multiplexing access system |
Jun. 30, 2009 |
| 7551852 |
Module to module signaling |
Jun. 23, 2009 |
| 7546035 |
Method for conveying management information |
Jun. 9, 2009 |
| 7542678 |
Method and apparatus for a supervisory channel in a WDM fiber-optic communication system |
Jun. 2, 2009 |
| 7539413 |
Observation apparatus and observation system |
May. 26, 2009 |
| 7536102 |
Method and apparatus for fiber optic fault locating and mapping |
May. 19, 2009 |
| 7509047 |
System and method for subcarrier modulation in ISM band as supervisory channel |
Mar. 24, 2009 |
| 7486893 |
Dynamic optical interconnect system reference signal formation |
Feb. 3, 2009 |
| 7471898 |
Device and method for optical supervisory channel framing in optical transport network system |
Dec. 30, 2008 |
| 7469101 |
Optoelectronic marker for determining ownership of fiber optic cable |
Dec. 23, 2008 |
| 7469102 |
Wavelength-division-multiplexing passive optical network utilizing fiber fault detectors and/or wavelength tracking components |
Dec. 23, 2008 |
| 7463829 |
Optical transmission apparatus and control method therefor |
Dec. 9, 2008 |
| 7460783 |
Method and apparatus for dynamic provisioning of reliable connections in the presence of multiple failures |
Dec. 2, 2008 |
| 7447432 |
Regulating radiation component power in wavelength division multiplexed optical communication systems |
Nov. 4, 2008 |
| 7447433 |
Optical communication device |
Nov. 4, 2008 |
| 7444077 |
Optical transmission system, and pumping light source stopping device and method to be used in same system |
Oct. 28, 2008 |
| 7437069 |
Automatic power restoring method and optical communication system |
Oct. 14, 2008 |
| 7437070 |
Submarine observation apparatus and submarine observation system |
Oct. 14, 2008 |
| 7430372 |
Optical transmission system |
Sep. 30, 2008 |
| 7426347 |
Shared optical performance monitoring |
Sep. 16, 2008 |
| 7421199 |
System and method for subcarrier modulation as supervisory channel |
Sep. 2, 2008 |
| 7418212 |
Electrical detection of optical symbols |
Aug. 26, 2008 |
| 7403712 |
Matrix time division multiplex (MTDM) interrogation |
Jul. 22, 2008 |
| 7400829 |
Transmission apparatus and path selection method of a transmission apparatus |
Jul. 15, 2008 |
| 7394981 |
Optical communication management systems |
Jul. 1, 2008 |
| 7389044 |
Method and system for providing a signature signal in an optical network in the event of loss of a client |
Jun. 17, 2008 |
| 7386234 |
Apparatus for remotely determining fault of subscriber terminals and method thereof |
Jun. 10, 2008 |
| 7386233 |
Ring network made using a dual optical data bus |
Jun. 10, 2008 |
| 7327954 |
Optical signaling to share active channel information |
Feb. 5, 2008 |
| 7308201 |
Optical communication system |
Dec. 11, 2007 |
| 7302178 |
System and method for measuring power of optical signals carried over a fiber optic link |
Nov. 27, 2007 |
| 7295776 |
Optical LAN device |
Nov. 13, 2007 |
| 7289729 |
Optoelectronic marker for determining ownership of fiber optic cable |
Oct. 30, 2007 |
| 7286756 |
DWDM system with IP telephony provisioning at remote locations |
Oct. 23, 2007 |
| 7280756 |
Optical signal transmission system, optical signal transmitter, optical signal receiver, method of transmitting optical signal and method of receiving optical signal |
Oct. 9, 2007 |
| 7274871 |
Optical transmission system with raman amplifiers comprising a supervisory system |
Sep. 25, 2007 |
| 7274872 |
System and method for subcarrier modulation as supervisory channel |
Sep. 25, 2007 |
| 7254326 |
Optical transmission system with raman amplifiers comprising a supervisory system |
Aug. 7, 2007 |
| 7248797 |
Transmitter-receiver device and a communication system |
Jul. 24, 2007 |
| 7212740 |
Transmitter-receiver device and a communication system |
May. 1, 2007 |
| 7194205 |
Optical transmission apparatus and optical systems |
Mar. 20, 2007 |
| 7187862 |
Method of locating faults in optical telecommunication networks |
Mar. 6, 2007 |
| 7187861 |
Method and apparatus for testing optical networks |
Mar. 6, 2007 |
| 7167299 |
Method and apparatus for controlling pump powers of broadband Raman amplifiers in optical transmission systems incorporating virtual channels to reduce noise |
Jan. 23, 2007 |
| 7167652 |
Optical transmission system constructing method and system |
Jan. 23, 2007 |
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