Patents
Patents for H04J 14 - Optical multiplex systems (27,009)
09/2012
09/20/2012WO2012122728A1 A polarized light interference-type comb filter
09/20/2012US20120237224 Optical data bus and method
09/20/2012US20120237223 Optical transceiver having optical receptacle arranged diagonally to longitudinal axis
09/20/2012US20120237222 Micro Free-Space WDM Device
09/20/2012US20120237221 Coherent optical signal processing
09/20/2012US20120237220 Passive optical network
09/20/2012US20120237219 Wavelength selective switch and optical transmission apparatus
09/20/2012US20120237217 Optically switched communication network
09/20/2012US20120237216 Method for transmitting data and gigabit-capable passive optical network system
09/20/2012US20120237212 Optical network system
09/20/2012US20120237203 Optical transmission system
09/20/2012US20120237201 Transmission apparatus and network protection method
09/20/2012US20120237199 Optical network system and wdm apparatus
09/20/2012US20120237198 Fiber optic rotary joints, methods practiced thereby, and fiber optic devices
09/19/2012EP2501067A1 System and method for reducing interference of a polarization multiplexed signal
09/19/2012EP2501066A2 Wavelength selective switch and optical transmission apparatus
09/19/2012EP2501065A1 Method and apparatus for optical path validation in an optical network
09/19/2012EP2499765A1 Switch system and method for the monitoring of virtual optical paths in an optical burst switched (obs) communication network
09/19/2012CN102687442A Method for activating a card,preferably in an already activated receptacle
09/19/2012CN102687428A Light branching apparatus, optical communication system and light multiplexing method
09/19/2012CN102685611A Communication system and method for directly transmitting signals between nodes of communication system
09/19/2012CN102684811A Optical network system and WDM apparatus
09/19/2012CN102684810A Optical network protection method, optical link switching control device and optical link switching control system
09/19/2012CN102684809A Method for realizing dense wavelength division multiplexing (DWDM) by utilizing photonic crystal panel Fano resonance effect
09/19/2012CN102684794A Novel wavelength division multiplexing demultiplexing optical assembly applied to high-speed parallel long-distance transmission
09/19/2012CN102684787A Reliable connection scheme for optical communication
09/19/2012CN102684780A Optical network protecting method and optical fiber line switching equipment
09/19/2012CN102681111A Wavelength division demultiplexing photoelectric receiving module
09/19/2012CN101207452B Transmitting equipment and receiving equipment
09/18/2012USRE43667 System for multiple use subchannels
09/18/2012US8270850 Demodulator and receiving device
09/18/2012US8270843 Optical transmission system
09/18/2012US8270837 Optical power equalizer for passive optical network
09/18/2012US8270836 Signal transmitting device, transmitter and receiver
09/18/2012US8270835 Method and system for reducing cross-phase modulation in an optical signal
09/18/2012US8270832 Method and apparatus for synchronization in a passive optical network
09/18/2012US8270831 Use of pre-validated paths in a WDM network
09/18/2012US8270830 Optical network for cluster computing
09/18/2012US8270792 High-resolution multi-level frequency channelizers
09/18/2012US8270790 Planar optical waveguide element, chromatic dispersion compensator, methods for designing chromatic dispersion compensator, optical filter, methods for designing optical filter, optical resonator and methods for designing optical resonator
09/18/2012US8270789 Optical waveguide element, chromatic dispersion compensator, methods for designing chromatic dispersion compensator, optical filter, methods for designing optical filter, optical resonator and methods for designing optical resonator
09/18/2012US8270783 Silicon integrated photonic optical parametric amplifier oscillator and wavelength converter
09/13/2012WO2012122254A2 Sub-octave rf stacking for optical transport and de-stacking for distribution
09/13/2012WO2012122237A2 Turn-up and long term operation of adaptive equalizer in optical
09/13/2012WO2012121918A1 Dynamic spatial-mode allocation in an under-addressed optical mimo system
09/13/2012WO2012121867A1 Method and apparatus for all-optical discrete fourier transform including all-optical ofdm demultiplexing
09/13/2012WO2012121850A2 Adjustable multiple-channel optical switch
09/13/2012WO2012119848A1 Method for configuring transmission interfaces of devices communicating via a band-pass filter
09/13/2012WO2012119495A1 Method and device for regulating optical power
09/13/2012WO2012119421A1 Optical amplifying device and method, and passive optical network system and apparatus
09/13/2012WO2012119367A1 Data crossing system and method
09/13/2012US20120230695 Wavelength-division multiplexing for use in multi-chip systems
09/13/2012US20120230694 Optical transmitter
09/13/2012US20120230693 Signal processing method, device, and system in a passive optical network
09/13/2012US20120230692 Sub-Octave RF Stacking for Optical Transport and De-Stacking for Distribution
09/13/2012US20120230691 Method of downlink signal transport over backhaul communications through distributed processing
09/13/2012US20120230690 Adjustable Multiple-Channel Optical Switch
09/13/2012US20120230689 Passive Optical Network Apparatus and Methods
09/13/2012US20120230688 Method and system for generation of coherent subcarriers
09/13/2012US20120230687 Optical communication system
09/13/2012US20120230686 Synchronization process in optical frequency division multiplexing transmission systems
09/13/2012US20120230685 Transmitter and receiver for transceiving optical signals
09/13/2012US20120230682 Signal light monitoring apparatus, optical amplification apparatus and optical reception apparatus, and signal light monitoring method
09/13/2012US20120230681 Optical transmission apparatus and optical attenuation amount control method
09/13/2012US20120230676 Turn-up and long term operation of adaptive equalizer in optical transmission systems
09/13/2012US20120230672 Optical network element
09/13/2012US20120230350 Signal demultiplexer, signal multiplexer, and signal multiplexer/demultiplexer
09/13/2012US20120229890 Optical Devices and Method of Counting Optical Pulses
09/12/2012EP2498431A1 Method for configuring transmission interfaces of devices communicating via a band-pass filter
09/12/2012EP2498425A1 Device and method for polarization scattering compensation
09/12/2012EP2498420A1 Method for operating optical data transmission links, optical data transmission system and control unit
09/12/2012EP2497212A1 Method and device for processing data in an optical network
09/12/2012CN202435546U Passive optical network adopting XFP (10G small form factor pluggable) ONU (optical network unit) module
09/12/2012CN202435409U Optical fiber link switching device
09/12/2012CN202435407U Optical path protection and optical fiber monitoring integrated system
09/12/2012CN102668427A Optical network terminal and method for the transmission/reception of digital television channels in a passive optical network
09/12/2012CN102665152A Novel wide-area coverage hybrid wavelength-time division multiplexing passive optical network system
09/12/2012CN102665150A Wavelength assignment method and wavelength assignment device based on network service priorities
09/12/2012CN102665148A Wavelength allocation method and wavelength allocation device for improving network load balance
09/12/2012CN102664703A Protection method of multi-stage optical distribution passive optical network (PON) and multi-stage optical distribution PON
09/12/2012CN102664702A Protection mode of cross disc of M to N
09/11/2012US8265485 Optical transmission system and method for chromatic dispersion compensation
09/11/2012US8265484 RF signal transport over passive optical networks
09/11/2012US8265483 Parallel optical polarization tracking
09/11/2012US8265482 Device and method to allow for uni-directional traffic on local area networks
09/11/2012US8265481 Wavelength assignment in an optical WDM network
09/11/2012CA2394511C System and method for automatic optimization of optical communication systems
09/07/2012WO2012117714A1 Optical unit for wavelength-selecting switch and wavelength-selecting switch
09/07/2012WO2012117564A1 A wavelength path control system, a wavelength path controlling method, and a storage medium for storing a wavelength path controlling program
09/06/2012US20120224858 Method and apparatus for transmitting multiple services
09/06/2012US20120224857 Bandwidth adjusting method and communication node
09/06/2012US20120224856 Optical modulation device and optical modulation method
09/06/2012US20120224855 Digital phase conjugation for fiber-optic links
09/06/2012US20120224854 Use of the same set of wavelengths for uplink and downlink signal transmission
09/06/2012US20120224852 System, Method, and Apparatus for High-Sensitivity Optical Detection
09/06/2012US20120224851 Bandwidth variable communication method, bandwidth variable communication apparatus, transmission bandwidth determination apparatus, transmission bandwidth determination method, node apparatus, communication path setting system, communication path setting
09/06/2012US20120224850 Optical networks
09/06/2012US20120224845 Administrative boundaries in single or multiple domain optical networks
09/05/2012EP2495904A1 Method and related apparatus for efficient optical data transmission
09/05/2012EP2495903A1 Optical transmission system, method and device based on polarization multiplexing
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