Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 14 - Optical multiplex systems
Patents for H04J 14 - Optical multiplex systems (27,009)
09/2012
09/05/2012EP2495892A1 Method, device and system for signal processing in passive optical network
09/05/2012EP2495611A1 Optical communication system
09/05/2012EP2494726A1 Improvements in optical communications networks
09/05/2012EP2494714A1 Data transmission system and method
09/05/2012EP2161866B1 Upgrading method, system and apparatus of low-density wavelength division multiplexing sysytem
09/05/2012CN1819502B Wave-length controlling circuit of light communication wavelength division multiplexing
09/05/2012CN102656832A Split/smart channel allocated WDM-PON architecture
09/05/2012CN101674147B ASK-FSK converter and conversion method
09/05/2012CN101662704B Method, system and node equipment for acquiring optical wavelength path
09/05/2012CN101583134B Wireless composite trunk equipment in railroad and connected transmission method
09/05/2012CN101577530B Multi-passage power control circuit and method thereof
09/05/2012CN101557542B Upgradeable passive optical network
09/05/2012CN101438517B Photoelectric field receiver, light multivalued signal receiver and light conveying system
09/05/2012CN101409596B Method for planning dynamic business wavelength route optical network
09/05/2012CN101145878B WDM system instantaneous optimization control method and system
09/04/2012US8260152 Optical signal detection method, and light receiving apparatus using the same
09/04/2012US8260147 System-on-chip having optical interconnections
09/04/2012US8260142 Multi-channel optical arrayed time buffer
09/04/2012US8260141 Method to transform a dynamic analog optical network to a digital representation
09/04/2012US8260140 WDM passive optical network with parallel signal detection for video and data delivery
09/04/2012US8260139 Dispersion compensator
09/04/2012US8260138 Wavelength distribution for optical transport
09/04/2012US8260136 Polarization beam splitter
09/04/2012US8260135 Passive optical network system and wavelength assignment method
09/04/2012US8260134 Synchronized code division multiplexing communication method and synchronized code division multiplexing communication system
09/04/2012US8260133 Standby restoration signaling for optical networks
09/04/2012US8260099 Reconfigurable optical add/drop multiplexer
09/04/2012CA2671965C Fiber optic rotary joint and associated reflector assembly
09/04/2012CA2460613C Multi-carrier frequency-division multiplexing (fdm) architecture for high speed digital service in local networks
08/2012
08/30/2012WO2012115693A1 Digital signal-to-signal beat noise for filter-less coherent receiving system
08/30/2012WO2012115215A1 Undersea branching device and undersea branching method
08/30/2012WO2012113701A1 Optical transmission with polarization division multiplexing
08/30/2012WO2012113469A1 System and method for selecting an optical path in an optical network
08/30/2012WO2012113317A1 Wavelength-division multiplexer, optical switch apparatus, and optical switch control method
08/30/2012US20120219296 Methods and systems for coherent multi-subcarrier source generation
08/30/2012US20120219295 Optical transmission device and optical transmission method
08/30/2012US20120219294 Digital signal-to-signal beat noise reduction for filter-less coherent receiving system
08/30/2012US20120219293 Concatenated optical spectrum transmission systems and methods
08/30/2012US20120219292 Optical switch for implementing wave division multiplexing networks
08/30/2012US20120219291 Cross-connect system and cross-connect method
08/30/2012US20120219289 Optical transport system and optical node
08/30/2012US20120219287 Method and device for processing data in an optical network
08/30/2012US20120219282 Optical transmission system and optical transmission method
08/30/2012DE102009028559B4 Optischer Demultiplexer/Multiplexer nach dem Prinzip der wellenlängenselektiven Totalreflexion für die Polymerfaserübertragung, Verfahren zum Demultiplexen/Multiplexen auf der Basis der wellenlängen-selektiven Totalreflexion für die Polymerfaserübertragung sowie Herstellungsverfahren eines optischen Demultiplexer/Multiplexers für die Polymerfaserübertragung An optical demultiplexer / multiplexer according to the principle of the wavelength-selective total internal reflection for the polymer fiber transmission method for demultiplexing / multiplexing on the basis of wavelength-selective total internal reflection for the polymer fiber transmission as well as the preparation method of an optical demultiplexer / multiplexer for the polymer fiber transmission
08/29/2012EP2493103A1 Ranging method and system for optical network unit in passive optical network
08/29/2012EP2493102A1 System and method for selecting an optical path in an optical network
08/29/2012EP2493101A1 Fast OMSP setup optimized for coherent detection
08/29/2012EP2493100A1 Optical transmission with polarization division multiplexing
08/29/2012EP2493096A1 Method, system and device for single-fiber bidirectional ring network protection
08/29/2012EP2491666A1 Optical network terminal and method for the transmission/reception of digital television channels in a passive optical network
08/29/2012EP2491665A1 Optical transport switching node with framer
08/29/2012CN1883144B Optical sub-carrier multiplexed transmission
08/29/2012CN102651873A Signal transmission method, system and equipment for indoor distribution system
08/29/2012CN102651666A Optical amplifier control apparatus
08/29/2012CN101765032B Dynamic multicast downlink data transmitter modulated by single side band subcarrier
08/29/2012CN101409646B Method, apparatus, system, network management equipment and node for monitoring performance parameter
08/28/2012US8254793 Tuning select fiber optic channels for channel monitoring
08/28/2012US8254784 Light source distributor for use in wavelength division multiplexed-passive optical network
08/28/2012US8254783 Point-to-multipoint optical communication system
08/28/2012US8254270 Fast convergence on child link failures and weighted load balancing of aggregate ethernet/SONET bundles
08/23/2012WO2012111140A1 Optical receiver, non-linear equalisation circuit, and digital signal processing circuit
08/23/2012WO2012110081A1 Processing data in an optical network
08/23/2012WO2012110080A1 Optical modulator
08/23/2012WO2012109858A1 Optical switching device and signal switching system
08/23/2012WO2012109847A1 Communication network data transmission method, node and system
08/23/2012US20120213523 Optical-layer traffic grooming at an ofdm subcarrier level with photodetection conversion of an input optical ofdm to an electrical signal
08/23/2012US20120213522 Generating higher-level quadrature amplitude modulation (qam) using a delay line interferometer and systems and methods incorporating same
08/23/2012US20120213521 Vestigial phase shift keying modulation and systems and methods incorporating same
08/23/2012US20120213520 Reachability Matrices Spanning Multiple Domains in an Optical Network
08/23/2012US20120213519 Transmission device of a low-noise optical signal having a low-noise multi-wavelength light source, a transmission device of broadcast signals using a low-noise multi-wavelength light source, and an optical access network having the same
08/23/2012US20120213518 Optical line terminal, dynamic bandwidth allocation method, and optical communication network
08/23/2012US20120213517 Optical-layer traffic grooming in flexible optical networks
08/23/2012US20120213516 Resource utilization method and system
08/23/2012US20120213515 Service group aggregation
08/23/2012US20120213514 Optical converter with adc based channelizer for optical lnb system
08/23/2012US20120213511 System, method, and device for optical transmission based on polarization multiplexing
08/23/2012CA2827028A1 Optical frequency shifter and optical modulator using the same
08/22/2012EP2490353A1 Light branching apparatus, optical communication system and light multiplexing method
08/22/2012EP2489143A1 Method for encoding routing and wavelength assignment information for wavelength switched optical networks
08/22/2012CN102648594A Transponder aggregator without wavelength selector colorless and directionless multi-degree ROADM node
08/22/2012CN102647227A Span loss monitoring system, supervisory signal sending apparatus and supervisory signal receiving apparatus
08/22/2012CN101552648B Reconfigurable optical add-drop multiplexer structure for realizing 16 channels with multiple orders
08/22/2012CN101309191B PON system mixing TDMA and WDM having function of local area network
08/22/2012CN101257352B ROF base station uplink of wavelength-division multiplex passive optical network and its system
08/22/2012CN101060376B Optical pulse time spreader
08/21/2012US8249467 Self test of a dual polarization transmitter
08/21/2012US8249466 Polarization multiplexing optical receiver and polarization multiplexing optical transmission system
08/21/2012US8249464 Optical receiver and method for optical reception
08/21/2012US8249459 Method and apparatus for generating time-division multiplexed encoded transmission signal
08/21/2012US8249458 Optical communication system and method for operating the same
08/21/2012US8249457 Method and device for bidirectional IR data transfer between a medical treatment table and an operator control device
08/21/2012US8249456 Optical ring network architecture
08/21/2012US8249455 Passive optical network system and ranging method
08/21/2012US8249454 Optical communication system and optical line terminating apparatus
08/21/2012US8249453 Optical communication system
08/21/2012US8249450 Methods of port mapping in fiber optic network devices
08/21/2012US8249449 Network node, buffer device, and scheduling method
08/21/2012US8248689 Distributed Raman amplifying system, start-up method thereof, and optical device
08/16/2012WO2012108815A1 Method and device for fiber access physical layer unbundling using multiple uplink cards
08/16/2012WO2012108549A1 Optical transmission device
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