Patents
Patents for H04J 14 - Optical multiplex systems (27,009)
11/2013
11/21/2013US20130308944 Butterfly optical network with crossing-free switches
11/21/2013US20130308941 Energy Efficient Ethernet Network Capability and Feature Exchange in Optical Network Links
11/20/2013EP2665212A1 Optical data transmission system
11/20/2013EP2442468B1 Efficient Data Transmission and Training of Data Processing Functions
11/20/2013EP2296303B1 Device for controlling the power of a WDM signal whose number of channels varies
11/20/2013CN103404059A Method for configuring transmission interfaces of devices communicating via band-pass filter
11/20/2013CN103404058A Method and apparatus for colorless add
11/20/2013CN103404057A Optical network unit, optical access network and a method for exchanging information
11/20/2013CN103401632A Large request first-fair excess allocation dynamic wave length bandwidth allocation method
11/20/2013CN102142904B Optical transmission and reception system, and optical receiver
11/20/2013CN101931487B Method for separating polarization multiplexing signals on the basis of optical interference effect
11/20/2013CN101656591B Wavelength division multiplex transmission system
11/19/2013US8588613 Sync distribution over a non-traffic bearing channel
11/19/2013US8588612 Optical detection device in WDM-PON and method for same
11/19/2013US8588611 Method for establishing an inter-domain path that satisfies wavelength continuity constraint
11/19/2013US8588609 Wavelength division multiplexing transmission system and apparatus and optical signal noise ratio calculation method
11/19/2013US8588565 Coherent optical detector having a multifunctional waveguide grating
11/19/2013CA2499091C Method for transmitting optical polarization multiplex signals
11/14/2013WO2013167272A1 Data communication device
11/14/2013WO2013166987A1 Wavelength label conflict detection method and device and wavelength label receiving device
11/14/2013US20130302034 Accessing lp transponders with cp terminals via wavefront multiplexing techniques
11/14/2013US20130302032 Optical multiplexer / demultiplexer
11/14/2013US20130302030 System for long reach xdsl over fiber
11/14/2013US20130302028 Optical Subchannel Routing, Protection Switching and Security
11/13/2013EP2662995A1 Method, device and system for optical power debugging
11/13/2013EP2661833A1 Secure data transmission using spatial multiplexing
11/13/2013EP2661832A1 Secure data transmission using spatial multiplexing
11/13/2013EP2661831A2 Path computation element system and method of routing and wavelength assignment in a wavelength switched optical network
11/13/2013CN103392309A Optical transmission with polarization division multiplexing
11/12/2013US8582984 Waveform controller, responsive element module, optical switch apparatus, responsive element and optical switch apparatus control method
11/12/2013US8582972 Systems and methods for storing optical data
11/12/2013US8582971 Method and apparatus to deploy fiber optic based access networks
11/12/2013US8582968 Method, apparatus and system for advertising routing protocol message and calculating route
11/07/2013US20130294777 Reconfigurable Optical Transmitter
11/07/2013US20130294776 Passive Optical Networks with Mode Coupling Receivers
11/07/2013US20130294775 EPON With Power-Saving Features
11/07/2013US20130294771 Multi-node system networks with optical switches
11/07/2013US20130294765 Polarization multiplexing optical receiving device and polarization multiplexing optical receiving method
11/06/2013EP2661004A2 Optical communication link employing coherent detection and out of band channel identification
11/06/2013EP2659608A1 Optical communication system and method for data processing in an optical network
11/06/2013CN203278834U Light channel performance monitoring module capable of measuring channel central wavelength
11/06/2013CN102055546B Method, device and system for locking wavelength of optical signal
11/06/2013CN101926116B Method and apparatus for service protection
11/06/2013CN101645739B Polarization demultiplexing device, polarization multiplexing light communication system and implementation method
11/06/2013CN101569122B Communication device for passive optical network
11/06/2013CN101453268B Optical communication system based on polarization multiplex technique and method thereof
11/05/2013US8577221 Switch system and method for the monitoring of virtual optical paths in an optical burst switched (OBS) communication network
11/05/2013CA2468110C Methods of connecting and testing interfaces for cwdm fiberoptic systems
10/2013
10/31/2013WO2013162567A1 Optical slab
10/31/2013WO2013162433A1 Method for split spectrum signalling in an optical network
10/31/2013WO2013160902A1 System and method for mode division multiplexing
10/31/2013US20130287401 Method and device for unifying frame rates
10/31/2013US20130287398 Multi-channel optical transceiver with offset quadrature amplitude modulation
10/31/2013US20130287396 Passive Optical Network Arrangement and Method
10/31/2013US20130287394 High-speed optical fiber link and a method for communicating optical data signals
10/31/2013US20130287391 Methods and apparatus to determine a capacity for a network layer topology
10/31/2013US20130286847 Optical communication link employing coherent detection and out of band channel identification
10/30/2013EP2658149A1 Method and device for restoring network
10/30/2013EP2656527A1 A passive optical network arrangement and method
10/30/2013EP2656526A1 Communications network using adaptable fec
10/30/2013EP2656520A1 Method and arrangement for receiving an optical input signal and transmittning an optical output signal
10/30/2013CN203261346U Single-fiber four-wavelength-division-multiplexing light-receiving device
10/30/2013CN103379033A Message forwarding method and grouped optical transmission network device
10/30/2013CN103378918A Method for adjusting channel and apparatus
10/29/2013US8571419 Method and system for flexible optical signal aggregation and transmission
10/29/2013US8571414 Optical transmission device, transmission and reception module, optical transmission system, and wavelength dispersion compensation method in optical transmission device
10/29/2013US8571410 Mutual wavelength locking in WDM-PONS
10/29/2013US8571409 Wavelength-multiplexed optical controller using a ring architecture
10/29/2013US8571408 Hardware accelerated data frame forwarding
10/29/2013US8571058 Terminal apparatus, data transmission system and data transmission method
10/24/2013WO2013157245A1 Multiplexed optical transmission line, optical transmission system, and optical transmission method
10/24/2013WO2013157171A1 Communication system, master station apparatus, slave station apparatus, control apparatus, and communication control method
10/24/2013WO2013156585A1 Wireless drop in a fiber-to-the-home network
10/24/2013US20130279919 Visible-light communication system and method
10/24/2013US20130279914 Apparatus and methods for dynamic delivery of optical and non-optical content in a network
10/24/2013US20130279913 Method for controlling polarization multiplexed optical signal
10/24/2013US20130279912 Bandwidth efficient dual carrier
10/24/2013US20130279911 Raman pump circuit
10/24/2013US20130279910 Banded Semiconductor Optical Amplifier
10/24/2013US20130279908 Reconfigurable optical add/drop multiplexer network element for c-band and l-band optical signals
10/24/2013US20130279900 Passive optical network system, method for transmitting and receiving optical signal thereof, and optical line terminal
10/23/2013EP2654227A1 Optical add-drop multiplexer branch unit and control method thereof
10/23/2013EP2654221A1 Method and device for regulating optical power
10/23/2013EP2652893A1 Multiplex conversion for a passive optical network
10/23/2013EP2652890A1 Optical network communication system with optical line terminal transceiver and method of operation thereof
10/23/2013CN203251299U Distributed communication system based on fibers
10/23/2013CN103370894A WDM PON with non-tunable legacy ONUs
10/23/2013CN103370893A Method of configuring an optical path, a path computation engine and an optical communications network node
10/23/2013CN103370891A Digital signal-to-signal beat noise for filter-less coherent receiving system
10/23/2013CN103370889A Wavelength path performance monitoring method, system and node equipment
10/23/2013CN103370888A Optical network communication system with optical line terminal transceiver and method of operation thereof
10/23/2013CN103368678A Integratable high-speed all-optical acceleration switch
10/23/2013CN103368645A Indoor wireless light high-speed two-way communication system
10/23/2013CN103368639A RRU optical fiber switching method and RRU optical fiber switching system
10/23/2013CN101904116B Wavelength division multiplexing-passive optical network using external seed light source
10/22/2013US8565619 Prevention of collision for time division multiplexing optical network, apparatus and method thereof
10/22/2013US8565616 Polarized-wave-multiplexing optical transmitter and control method of polarized-wave-multiplexed optical signal
10/22/2013US8565615 Optical modulation apparatus and optical modulation method
10/22/2013US8565608 Optical network with switchable drop filters
10/22/2013US8565605 Burst mode to continuous mode converter
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