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Class Information
Number: 398/45
Name: Optical communications > Multiplex > Optical switching
Description: Subject matter wherein switching of multiple information or signals takes place in optical domain.










Sub-classes under this class:

Class Number Class Name Patents
398/46 Hybrid 98
398/55 Space 151
398/52 Time 136
398/48 Wavelength 445


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
8111989 Optical switch and optical signal communication system Feb. 7, 2012
8111990 Apparatus for transferring optical data in optical switching system using time synchronization Feb. 7, 2012
8107813 Drive circuit and optical switch Jan. 31, 2012
8103137 Optical network for cluster computing Jan. 24, 2012
8089683 Optical processing Jan. 3, 2012
8073331 Dynamic intelligent bidirectional optical and wireless access communication system Dec. 6, 2011
8055131 Route query method in ASON Nov. 8, 2011
8050559 Multi-chassis router with multiplexed optical interconnects Nov. 1, 2011
8050257 Network with a fast-switching optical core Nov. 1, 2011
8045551 Systems and methods for private network-to-network interface out-of-band signaling and path blocking Oct. 25, 2011
8045854 M.times.N wavelength selective optical switch Oct. 25, 2011
8041210 Parallel high-speed communication links with redundant channel architectures Oct. 18, 2011
8041218 Setting up a circuit in a network Oct. 18, 2011
8032023 Reconfigurable DWDM wavelength switch based on complementary bandpass filters Oct. 4, 2011
7995919 Optical switch with power equalization Aug. 9, 2011
7953322 Optical switch and optical switch control method May. 31, 2011
7933266 Configurable network router Apr. 26, 2011
7933520 High-speed wavelength selectable optical source and method thereof Apr. 26, 2011
7925155 Transmitting broadcast signals in a communication network Apr. 12, 2011
7925160 Optical swapping of digitally-encoded optical labels Apr. 12, 2011
7912373 Optical multiple transmission method, optical network and optical transmission apparatus Mar. 22, 2011
7912329 Optical-switch testing apparatus, optical-signal switching apparatus, optical-switch testing method, and control method for optical-signal switching Mar. 22, 2011
7907847 Optical integrated circuit apparatus Mar. 15, 2011
7903975 Optical add-drop multiplexer Mar. 8, 2011
7899326 System for utilizing wavelength reachability and wavelength occupation status information to describe cross-connection capabilities in optical networks Mar. 1, 2011
7899334 Signal distribution module for a directionless reconfigurable optical add/drop multiplexer Mar. 1, 2011
7894722 Packaged optical device stack Feb. 22, 2011
7885186 System and method of adaptively managing bandwidth on optical links shared by multiple-services using virtual concatenation and link capacity adjustment schemes Feb. 8, 2011
7885541 Method and apparatus for optical performance monitoring Feb. 8, 2011
RE42095 Method for transferring utility optical signals and optical-line network Feb. 1, 2011
7877012 Selecting optical waves Jan. 25, 2011
7877008 WDM layer-based optical chanel protecting device and method thereof Jan. 25, 2011
7876707 Partial build of a fibre channel fabric Jan. 25, 2011
7869712 Method and apparatus for increasing transmission capacity in optical transport network Jan. 11, 2011
7853145 Optical switch and optical waveform monitoring apparatus Dec. 14, 2010
7848649 Method and system to frame and format optical control and data bursts in WDM-based photonic burst switched networks Dec. 7, 2010
7848648 Optical network equipment and optical network Dec. 7, 2010
7848647 Optical switch and optical waveform monitoring device utilizing optical switch Dec. 7, 2010
7848642 Method and apparatus for capacity-efficient restoration in an optical communication system Dec. 7, 2010
7843838 Communication network route tracing Nov. 30, 2010
7844177 Optical signal changeover device and optical signal changeover method Nov. 30, 2010
7840136 Low-latency switch using optical and electrical proximity communication Nov. 23, 2010
7839766 Method and system for long haul optical transport for applications sensitive to data flow interruption Nov. 23, 2010
7835644 System for intercepting signals to be transmitted over a fiber optic network and associated method Nov. 16, 2010
7826748 Systems and methods for adaptive gain control to compensate OSNR penalty caused by side-lobe of MEMS-based reconfigurable optical add-drop multiplexers Nov. 2, 2010
7817918 Path protection method for a WDM network and according node Oct. 19, 2010
7817919 Method for transmission of data packets by means of an optical burst switching network and network nodes for an optical burst switching network Oct. 19, 2010
7813640 Optical connection switching apparatus and management control unit thereof Oct. 12, 2010
7801443 Automatic circulation collection type data collecting system Sep. 21, 2010
7796884 Wavelength path switching node apparatus and wavelength path allocation method Sep. 14, 2010

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