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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
7792398 Optically controlled optical-path-switching-type data distribution apparatus and distribution method Sep. 7, 2010
7788354 End-to-end service quality in a voice over Internet Protocol (VoIP) Network Aug. 31, 2010
7787768 Optical cross-connector containing multi-stage Clos network in which a single-stage matrix comprises one stage of the Clos network Aug. 31, 2010
7787448 Method and system for transparent transport of optical channel transmission unit signals via an optical transport network Aug. 31, 2010
7783194 Method and apparatus for provisioning optical services on an optical network Aug. 24, 2010
7769292 Automated testing and analysis of dense wave division multiplexing (DWDM) switching devices Aug. 3, 2010
7769293 Apparatus and method for label transmission in optical packet data switching network Aug. 3, 2010
7764881 Optical apparatus and optical cross connect apparatus Jul. 27, 2010
7764882 Optical packet tray router Jul. 27, 2010
7751713 Communication network with skew path monitoring and adjustment Jul. 6, 2010
7751705 Optical channel intelligently shared protection ring Jul. 6, 2010
7747167 Wavelength service providing apparatus in all-optical network Jun. 29, 2010
7738788 Address recognition apparatus Jun. 15, 2010
7734177 System, method and terminal processing apparatus for optical fiber transmission Jun. 8, 2010
7734175 Network configuring apparatus Jun. 8, 2010
7734172 Router having dual propagation paths for packets Jun. 8, 2010
7734127 Optical switch module Jun. 8, 2010
7724676 Proactive protection mechanism based on advanced failure warning May. 25, 2010
7720378 Optical module and optical switch May. 18, 2010
7720377 Compute clusters employing photonic interconnections for transmitting optical signals between compute cluster nodes May. 18, 2010
7720111 Method and apparatus for carrying out connection and related input/output processing functions in a synchronous digital hierarchy transport node May. 18, 2010
7715722 Fiber optic radio frequency distribution system May. 11, 2010
7715711 Wavelength selective switch design configurations for mesh light-trails May. 11, 2010
7715709 Optical switch and network system including the same May. 11, 2010
7716271 Routing and wavelength assignment in optical networks May. 11, 2010
7711267 Remote management of central office operations May. 4, 2010
7706685 Data communication network using optical power averaged multiplexing Apr. 27, 2010
7702239 Cross-connector for optical signals Apr. 20, 2010
7697547 Internet protocol video delivery in passive optical networks Apr. 13, 2010
7679818 Optical switch using rare earth doped glass Mar. 16, 2010
7676153 Digital delay device Mar. 9, 2010
7676159 All-optical header processing and packet switching Mar. 9, 2010
7672330 Methods for sending and receiving network management messages and/or control messages Mar. 2, 2010
7672585 Optical switch system Mar. 2, 2010
7661889 Optical multiplexer and transmitter Feb. 16, 2010
7656568 Optical switch using frequency-based addressing in a microelectromechanical systems array Feb. 2, 2010
7657181 Optical add/drop multiplexer and optical network system Feb. 2, 2010
7653307 Optical switching device for a transparent node of high switching degree adapted to spectral equalization Jan. 26, 2010
7639945 Optical switch device and optical switching method Dec. 29, 2009
7633967 Multi-functional line card for metro optical applications Dec. 15, 2009
7620322 Load sharing nodes in a network utilising shared optical protection Nov. 17, 2009
7620321 Optical transmitting apparatus, method of increasing the number of paths of the apparatus, and optical switch module for increasing the number of paths of the apparatus Nov. 17, 2009
7620320 Fibre selective control switch system Nov. 17, 2009
7620273 Methods and devices for providing optical, serviced-enabled cross-connections Nov. 17, 2009
7616889 Byte-wide optical backplane switching method Nov. 10, 2009
7613394 Optical switching device Nov. 3, 2009
7593637 Optical transport system architecture for remote terminal connectivity Sep. 22, 2009
7590102 Multi-stage packet switching system Sep. 15, 2009
7590125 Simplified control of a transmission network element handling both SDH and OTH signals for signals passing both SDH and OTH parts Sep. 15, 2009
7590359 Optical communication node system, all-optical packet routing system, and all-optical packet routing method and all-optical packet routing network using the node and routing systems Sep. 15, 2009

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










 
 
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