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Class Information
Number: 398/66
Name: Optical communications > Multiplex > Broadcast and distribution system
Description: Subject matter wherein a network system broadcast or distribute multiplexed signals to a group of subscribers.

Sub-classes under this class:

Class Number Class Name Patents
398/67 Bidirectional 372
398/68 Wdm 349

Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8712240 Optical power measurement method, optical line terminal and optical network unit Apr. 29, 2014
8712242 Ranging method and apparatus in passive optical network Apr. 29, 2014
8711856 Method and device for processing broadcast packets/multicast control messages Apr. 29, 2014
8705959 Optical network designing device, method, and program Apr. 22, 2014
8705965 Method of recovery from sleep state of an ONU in a PON system capable of power saving Apr. 22, 2014
8693868 Versatile optical network interface methods and systems Apr. 8, 2014
8693871 System for routing and wavelength assignment in wavelength division multiplexing optical networks Apr. 8, 2014
8687963 Method, system and device for optical network termination configuration Apr. 1, 2014
8687961 Optical broadcast with buses with shared optical interfaces Apr. 1, 2014
8682162 Method and system for providing a return path for signals generated by legacy terminals in an optical network Mar. 25, 2014
8682164 Optical wavelength division node Mar. 25, 2014
8677468 Service activation in a passive optical network (PON) Mar. 18, 2014
8670667 Access multiplexers and methods for multiplexing telecommunication signals using an arrayed media converter Mar. 11, 2014
8660430 Method and a system for optimizing radio network layer to implement the network interconnection, and a method for interconnection between the radio network and the wired network Feb. 25, 2014
8660427 Method and apparatus of the architecture and operation of control processing unit in wavelenght-division-multiplexed photonic burst-switched networks Feb. 25, 2014
8644706 Distributed cable modem termination system with software reconfigurable MAC and PHY capability Feb. 4, 2014
8644707 Bidirectional optical amplifier arrangement Feb. 4, 2014
8644708 Coupled seed light injection for wavelength division multiplexing passive optical networks Feb. 4, 2014
8639119 Remote node for wavelength-division-multiplexed passive optical network Jan. 28, 2014
8634719 Systems and methods for enabling different network nodes of a network access system to share a backhaul communications link Jan. 21, 2014
8634716 Data transmission network Jan. 21, 2014
8630544 System and method for channel-adaptive error-resilient burst mode transmission Jan. 14, 2014
8630546 Network interface device synchronization Jan. 14, 2014
8631151 Techniques for guaranteeing bandwidth with aggregate traffic Jan. 14, 2014
8625990 Optical line terminal, remote node unit, optical transmission method and system thereof Jan. 7, 2014
8625991 Amortization of expensive optical components Jan. 7, 2014
8625995 Signal power based routing in WDM all-optical networks Jan. 7, 2014
8620158 Communications device with discriminator and wavelength division multiplexing for generating intermediate frequency signal and related methods Dec. 31, 2013
8615169 PON system and redundancy method Dec. 24, 2013
8606109 Technique for forwarding packets in a gigabit passive optical network (GPON) Dec. 10, 2013
8606106 Optical fibre network Dec. 10, 2013
8606112 Pluggable module with bi-directional host-module optical interface Dec. 10, 2013
8600234 Method and apparatus for link sharing among multiple epons Dec. 3, 2013
8600232 Method and device for data processing in an optical network and communication system Dec. 3, 2013
8600231 Monitoring energy consumption in optical access networks Dec. 3, 2013
8600228 Optical communication Dec. 3, 2013
8594506 Method and system for propagating upstream cable modem signals and RF return video control signals over the same optical network Nov. 26, 2013
8594501 Determining metropolitan optical transport network architectures optimized for long term evolution (LTE) networks Nov. 26, 2013
8594497 Multi-interface protocol analysis system Nov. 26, 2013
8588612 Optical detection device in WDM-PON and method for same Nov. 19, 2013
8582967 Device for multicast of optical signals in the internet and other networks Nov. 12, 2013
8582968 Method, apparatus and system for advertising routing protocol message and calculating route Nov. 12, 2013
8582969 Passive optical network (PON) having optical network unit (ONU) using feedback to detect rogue conditions and related method Nov. 12, 2013
8577222 Optical repeater system Nov. 5, 2013
8571422 Burst transmission method, and receiver resetting method and apparatus in a passive optical network Oct. 29, 2013
8571410 Mutual wavelength locking in WDM-PONS Oct. 29, 2013
8565599 System and method for transmitting optical markers in a passive optical network system Oct. 22, 2013
8565601 Communication method for optical communication system, optical communication system, slave station apparatus, control device, and computer program Oct. 22, 2013
8565619 Prevention of collision for time division multiplexing optical network, apparatus and method thereof Oct. 22, 2013
8566896 Addressable network interface units suitable for use in FTTX and RFOG networks and related methods of controlling bandwidth allocation and identifying noise sources in such networks Oct. 22, 2013

1 2 3 4 5 6 7 8 9 10

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