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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
7369765 Optical network with selective mode switching May. 6, 2008
7368700 Optical switch apparatus and optical switching system May. 6, 2008
7366413 Modular cross connect system with 3D-MEMS for optical telecommunication networks Apr. 29, 2008
7366417 Delivering multicast services on a wavelength division multiplexed network using a configurable four-port wavelength selective crossbar switch Apr. 29, 2008
7356257 Optical switching apparatus and optical communication network system Apr. 8, 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
7349628 MMI based device Mar. 25, 2008
7343096 Method and apparatus for in-service upgrading of OADM to wavelength selective switch of higher degree Mar. 11, 2008
7340175 Non-uniform optical waveband aggregator and deaggregator and hierarchical hybrid optical cross-connect system Mar. 4, 2008
7340169 Dynamic route discovery for optical switched networks using peer routing Mar. 4, 2008
7340167 Fibre channel transparent switch for mixed switch fabrics Mar. 4, 2008
7340166 Methods and apparatus for automated testing and analysis of dense wavelength division multiplexing (DWDM), wavelength selective and/or optical switching devices Mar. 4, 2008
7340124 Optical switch using rare earth doped glass Mar. 4, 2008
7336900 Byte-wide optical backplane switch Feb. 26, 2008
7333737 Optical receiver Feb. 19, 2008
7332234 Optoelectronic device capable of participating in in-band traffic Feb. 19, 2008
7330617 Wavelength selective optical switch, and optical device provided with spectroscopic function Feb. 12, 2008
7324751 Selective frequency switching system and a reconfigurable optical delay circuit incorporating it Jan. 29, 2008
7317873 Optical packet switching system Jan. 8, 2008
7315694 Apparatus for switching optical channel overhead in optical supervisory channel of optical transport network system and apparatus for forwarding optical channel maintenance signal Jan. 1, 2008
7313330 Redundant apparatus and method for gigabit ethernet passive optical network system and frame format thereof Dec. 25, 2007
7310479 Multi-wavelength optical packet switch system with shared output buffer Dec. 18, 2007
7310480 Adaptive framework for closed-loop protocols over photonic burst switched networks Dec. 18, 2007
7298972 Optical switch and a control method thereof Nov. 20, 2007
7298973 Architecture, method and system of multiple high-speed servers to network in WDM based photonic burst-switched networks Nov. 20, 2007
7295785 Receiver, electronic apparatus, and discharge lamp lighting apparatus Nov. 13, 2007
7292785 Optical transmission system constructing method and system Nov. 6, 2007
7286564 Mapping arbitrary signals into SONET Oct. 23, 2007
7283745 Methods and apparatus for constructing switch arrays for routing of optical signals so as to minimize power dissipation Oct. 16, 2007
7283740 Optical ring network with optical subnets and method Oct. 16, 2007
7283739 Multiple subnets in an optical ring network and method Oct. 16, 2007
7280478 Control packet structure and method for generating a data burst in optical burst switching networks Oct. 9, 2007
7277634 Method and apparatus of a semiconductor-based fast intelligent NxN photonic switch module with an optical buffer for WDM networks Oct. 2, 2007
7277639 Bi-directional optical add/drop multiplexer for WDM optical networks Oct. 2, 2007
7274873 Optical transmission systems including optical switching devices, control apparatuses, and methods Sep. 25, 2007
7272310 Generic multi-protocol label switching (GMPLS)-based label space architecture for optical switched networks Sep. 18, 2007
7272309 System and method of routing data at a photonic core Sep. 18, 2007
7266295 Modular reconfigurable multi-server system and method for high-speed networking within photonic burst-switched network Sep. 4, 2007
7266296 Architecture and method for framing control and data bursts over 10 Gbit Ethernet with and without WAN interface sublayer support Sep. 4, 2007
7266297 Optical cross-connect Sep. 4, 2007
7263286 Fast testing system for optical transceiver and testing method thereof Aug. 28, 2007
7254293 Wavelength routing optical switch Aug. 7, 2007
7254328 Reconfigurable directional optical system Aug. 7, 2007
7251416 Container based crossconnect Jul. 31, 2007
7248799 Method and an improved device for controlling the power delivered at the output of a node of an optical network that switches bands of wavelengths Jul. 24, 2007
7245829 Architecture for dynamic connectivity in an edge photonic network architecture Jul. 17, 2007
7245830 Method and apparatus for scheduling transmission of data bursts in an optical burst switching network Jul. 17, 2007
7242867 Optical cross connect synchronization architecture and method Jul. 10, 2007
7242866 Methods and apparatus for switching N optical input signals to M optical outputs Jul. 10, 2007

1 2 3 4 5 6 7 8 9 10 11 12 13 14










 
 
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