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Class Information
Number: 398/2
Name: Optical communications > Fault recovery > Bypass inoperative element
Description: Subject matter including a provision for alternate routing when the network or its component is at fault.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7447428 |
Method and device for data-flow protection of optical interface in data communication equipment |
Nov. 4, 2008 |
| 7443843 |
Terminal relay device and relay method |
Oct. 28, 2008 |
| 7440395 |
Telecommunication switch and operating method |
Oct. 21, 2008 |
| 7436761 |
Apparatus and method for connecting fibre channel devices via bypass buffers |
Oct. 14, 2008 |
| 7436763 |
Data communication apparatus with a dual mode protection switching system |
Oct. 14, 2008 |
| 7415205 |
Wavelength division multiplexed self-healing passive optical network using wavelength injection method |
Aug. 19, 2008 |
| 7411726 |
Multi-channel differentially encoded phase shift keyed receivers |
Aug. 12, 2008 |
| 7400829 |
Transmission apparatus and path selection method of a transmission apparatus |
Jul. 15, 2008 |
| 7382722 |
Architecture for a hybrid STM/ATM add-drop multiplexer |
Jun. 3, 2008 |
| 7369769 |
Ethernet passive optical network ring and its method of authorization and collision detection |
May. 6, 2008 |
| 7366413 |
Modular cross connect system with 3D-MEMS for optical telecommunication networks |
Apr. 29, 2008 |
| 7356259 |
Optical bypass upgrade configuration |
Apr. 8, 2008 |
| 7352966 |
Method and apparatus for capacity-efficient restoration in an optical communication system |
Apr. 1, 2008 |
| 7302190 |
Optical communication system including replaceable electro-optic and opto-electric converters |
Nov. 27, 2007 |
| 7289429 |
System and method to perform non-service effecting bandwidth reservation using a reservation signaling protocol |
Oct. 30, 2007 |
| 7283740 |
Optical ring network with optical subnets and method |
Oct. 16, 2007 |
| 7283748 |
Self-healing wavelength division multiplexing-passive optical network system |
Oct. 16, 2007 |
| 7260325 |
Network component for an optical network comprising an emergency operation function, especially for an optical network in ring topology |
Aug. 21, 2007 |
| 7233430 |
Multi-channel DPSK receiver |
Jun. 19, 2007 |
| 7212738 |
Preventing signal loss in an optical communications network |
May. 1, 2007 |
| 7199920 |
Two stage optical amplifier |
Apr. 3, 2007 |
| 7174096 |
Method and system for providing protection in an optical communication network |
Feb. 6, 2007 |
| 7155120 |
Link level network protection path calculation mechanism for use in optical networks |
Dec. 26, 2006 |
| 7146098 |
Optical protection scheme |
Dec. 5, 2006 |
| 7139482 |
Wavelength division multiplex transmission system |
Nov. 21, 2006 |
| 7123831 |
Device and method for restoring connections in automatically switchable optical networks |
Oct. 17, 2006 |
| 7120359 |
Broadcast and select all optical network |
Oct. 10, 2006 |
| 7103274 |
Cross-connect apparatus |
Sep. 5, 2006 |
| 7099578 |
1:N protection in an optical terminal |
Aug. 29, 2006 |
| 7054264 |
Interconnect and gateway protection in bidirectional ring networks |
May. 30, 2006 |
| 7046929 |
Fault detection and isolation in an optical network |
May. 16, 2006 |
| 7035539 |
Interconnecting nodes in an optical communication system |
Apr. 25, 2006 |
| 7036042 |
Discovery and isolation of misbehaving devices in a data storage system |
Apr. 25, 2006 |
| 6999411 |
System and method for router arbiter protection switching |
Feb. 14, 2006 |
| 6975811 |
Optical one-to-one protection switching apparatus |
Dec. 13, 2005 |
| 6947623 |
Signals and methods for increasing reliability in optical network equipment |
Sep. 20, 2005 |
| 6934469 |
Split redundant trunk architecture using passive splitters and path switching |
Aug. 23, 2005 |
| 6898376 |
Optical ring protection apparatus and methods |
May. 24, 2005 |
| 6895187 |
Branching unit and system for underwater optical communication |
May. 17, 2005 |
| 6868234 |
Optical telecommunications network |
Mar. 15, 2005 |
| 6850704 |
Low-overhead fault-tolerance techniques for optical and other cross-connect systems |
Feb. 1, 2005 |
| 6847743 |
Polarization scrambler unit and multi-repeater transmission system incorporating the same |
Jan. 25, 2005 |
| 6839514 |
Method and apparatus for operation, protection, and restoration of heterogeneous optical communication networks |
Jan. 4, 2005 |
| 6834052 |
Band management circuit |
Dec. 21, 2004 |
| 6823137 |
Optical line protection device and optical line protection method |
Nov. 23, 2004 |
| 6788895 |
Security mapping and auto reconfiguration |
Sep. 7, 2004 |
| 6771845 |
Open air optical channel |
Aug. 3, 2004 |
| 6721502 |
Shared optical protection ring architecture |
Apr. 13, 2004 |
| 6671463 |
Arrangement for transmitting, radiating and receiving high-frequency signals |
Dec. 30, 2003 |
| 6661972 |
Method and apparatus for transparent optical communication with two-fiber bidirectional ring with autoprotection and management of low priority traffic |
Dec. 9, 2003 |
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