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Class Information
Number: 398/67
Name: Optical communications > Multiplex > Broadcast and distribution system > Bidirectional
Description: Subject matter wherein two- way transmission and reception of signals is conducted between the subscribers and a broadcasting station.

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

Patent Number Title Of Patent Date Issued
8712241 Broadband optical network apparatus and method Apr. 29, 2014
8712242 Ranging method and apparatus in passive optical network Apr. 29, 2014
8712243 Methods and apparatus for achieving multiple bit rates in passive optical networks Apr. 29, 2014
8712240 Optical power measurement method, optical line terminal and optical network unit Apr. 29, 2014
8705967 Serially-distributed access points in a communication network Apr. 22, 2014
8705969 Optical backhaul network for wireless broadband service Apr. 22, 2014
8705968 Optical fiber communication system and methods having a reflective optical network unit Apr. 22, 2014
8705966 Method, device and system for managing information of an optical node in an optical distribution network Apr. 22, 2014
8705965 Method of recovery from sleep state of an ONU in a PON system capable of power saving Apr. 22, 2014
8705964 Method and system for data synchronization in passive optical networks Apr. 22, 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
8682163 Detecting method, apparatus, and system in an optical distribution network Mar. 25, 2014
8670667 Access multiplexers and methods for multiplexing telecommunication signals using an arrayed media converter Mar. 11, 2014
8666250 Optical access network and nodes Mar. 4, 2014
8649682 Passive optical network Feb. 11, 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
8634716 Data transmission network Jan. 21, 2014
8634719 Systems and methods for enabling different network nodes of a network access system to share a backhaul communications link Jan. 21, 2014
8630539 Communication system, station-side optical line terminating apparatus, user-side optical line terminating apparatus, control apparatus, and communication method Jan. 14, 2014
8625987 Monitoring method for a passive optical network Jan. 7, 2014
8619115 Video communication system and method for using same Dec. 31, 2013
8620159 Modulation in an optical network Dec. 31, 2013
8615168 PON ONU configured in the form of a gigabit interface converter (GBIC) Dec. 24, 2013
8611745 Passive optical network communication system Dec. 17, 2013
8606109 Technique for forwarding packets in a gigabit passive optical network (GPON) Dec. 10, 2013
8600232 Method and device for data processing in an optical network and communication system Dec. 3, 2013
8594502 Method and apparatus using distributed raman amplification and remote pumping in bidirectional optical communication networks Nov. 26, 2013
8588612 Optical detection device in WDM-PON and method for same Nov. 19, 2013
8565599 System and method for transmitting optical markers in a passive optical network system Oct. 22, 2013
8565600 Optical network configurations with multiple band multiplexing and de-multiplexing and AWG structures with multiple band processing 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
8554076 Methods and systems for constructing optical networks Oct. 8, 2013
8554077 Energy efficiency and cost efficient protection in passive optical networks Oct. 8, 2013
8548328 Transparent overhead in a passive optical network that supports enhanced features Oct. 1, 2013
8548327 Dynamic management of polling rates in an ethernet passive optical network (EPON) Oct. 1, 2013
8542993 Burst power measurements using averaged power measurement Sep. 24, 2013
8542997 High bit rate bidirectional passive optical network, associated optical exchange and line termination device Sep. 24, 2013
8542998 Passive optical network system and sleep time determination method Sep. 24, 2013
RE44498 Fiber optic local convergence points for multiple dwelling units Sep. 17, 2013
8532488 Cable communication systems and methods employing QAM upstream channels below 16.4 MHz for increased aggregate deployed upstream capacity to support voice and/or data services Sep. 10, 2013
8532487 Managed PON repeater and cross connect Sep. 10, 2013
8532485 System and method for operating transparent node for WDM shared "virtual ring" networks Sep. 10, 2013
8526818 Optical network terminal of the gigabit passive optical network and frame treatment method of the ONT Sep. 3, 2013
8521023 Hierarchical passive networks Aug. 27, 2013
8515276 Method, device and system for optical network switching protection Aug. 20, 2013
8509619 Communication control method, station side device, subscriber side device, and communication system Aug. 13, 2013
8494364 Supporting multi-dwelling units in passive optical networks Jul. 23, 2013
8494366 Wavelength division multiplexing-passive optical network using external seed light source Jul. 23, 2013

1 2 3 4 5 6 7 8

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