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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
8285141 Apparatus, system, and method for asymmetrical and dynamic routing Oct. 9, 2012
8285145 Modular colorless and directionless multi-degree reconfigurable optical add/drop multiplexer node with in-service upgradeability Oct. 9, 2012
8280251 Data transmission using direct and indirect optical paths Oct. 2, 2012
8280257 Systems and methods for side-lobe compensation in reconfigurable optical add-drop multiplexers Oct. 2, 2012
8280259 Radio-over-fiber (RoF) system for protocol-independent wired and/or wireless communication Oct. 2, 2012
8270830 Optical network for cluster computing Sep. 18, 2012
8259377 Delayed optical logic gates for boolean algebra Sep. 4, 2012
8260133 Standby restoration signaling for optical networks Sep. 4, 2012
8249449 Network node, buffer device, and scheduling method Aug. 21, 2012
8249451 Methods for characterizing optical switches and multiplexers/demultiplexers Aug. 21, 2012
8249454 Optical communication system and optical line terminating apparatus Aug. 21, 2012
8244133 Optical waveband demultiplexer, optical waveband multiplexer, and optical waveband selective switch Aug. 14, 2012
8238365 Method and device for supporting optical transmission network service dispatch in optical synchronization network Aug. 7, 2012
8238743 Router having dual propagation paths for packets Aug. 7, 2012
8233794 Hitless MxN wavelength selective switch Jul. 31, 2012
8233795 Apparatus and method for medium access control in an optical packet-switched network and the network thereof Jul. 31, 2012
8229300 Optical switch controller Jul. 24, 2012
8223773 Optical line terminal in gigabit passive optical network and method for transmitting broadcast frame using the same Jul. 17, 2012
8218575 Method and system for shortening the length of time gaps between data units in a data switching network Jul. 10, 2012
8218915 Asymmetrical interleaver and deinterleaver Jul. 10, 2012
8218966 Technique for securing transmission of data along an optical communication line Jul. 10, 2012
8218967 Optical switching systems and methods Jul. 10, 2012
8213794 Programmable optical network architecture Jul. 3, 2012
8213793 Wavelength assignment optimization Jul. 3, 2012
8208771 Optical switch Jun. 26, 2012
8208808 Distributed wavelength assignment using signaling protocols in wavelength switched optical networks Jun. 26, 2012
8204389 Electronic post-compensation of optical transmission impairments using digital backward propagation Jun. 19, 2012
8200092 Optical transmission apparatus Jun. 12, 2012
8195052 Optical wavelength multiplexing system, optical wavelength multiplexing method, and computer product Jun. 5, 2012
8195419 General purpose protocol engine Jun. 5, 2012
8190025 Wavelength selective switch having distinct planes of operation May. 29, 2012
8190031 Optical network design apparatus and dispersion compensation design method May. 29, 2012
8180219 Providing signal reachability information to a network May. 15, 2012
8180218 PON system and terminal operation registering method May. 15, 2012
8170415 Physical wiring control device, physical wiring control method, and computer product May. 1, 2012
8170416 Optical switching device May. 1, 2012
8165470 Wavelength selecting switch Apr. 24, 2012
8160445 Digital cross-connect Apr. 17, 2012
8155521 Multi-degree cross-connector system, operating method and optical communication network using the same Apr. 10, 2012
8155518 Dynamic load balancing of fibre channel traffic Apr. 10, 2012
8155149 Packet assembly in a communication network supporting virtual networks Apr. 10, 2012
8149871 Pointer offset mechanism enabling cost effective SONET/SDH mapping/demapping over ethernet Apr. 3, 2012
8150264 Methods for non-wavelength-converting multi-lane optical switching Apr. 3, 2012
8139938 Hierarchical routing query method of automatic switched optical network Mar. 20, 2012
8134777 Optical switch assembly and network incorporating same Mar. 13, 2012
8135277 Delayed optical router/switch Mar. 13, 2012
8131149 Optical routing device and optical network using same Mar. 6, 2012
8131151 Testing and measurement in optical networks Mar. 6, 2012
8121039 United route query method in the automatic switched optical network Feb. 21, 2012
8121478 Method and apparatus for implementing non-blocking computer interconnection network using bidirectional optical switch Feb. 21, 2012

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










 
 
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