Patents
Patents for H04J 14 - Optical multiplex systems (27,009)
06/2006
06/20/2006US7065297 Optical transmission system
06/20/2006US7065296 Method for stabilization and reconfiguration of a transparent photonic network
06/20/2006US7065280 Dispersion compensation device
06/20/2006US7064888 Optical transmission equipment for suppressing a four wave mixing and optical transmission system
06/20/2006US7064840 Optical sampling system for simultaneously monitoring intensity modulation and frequency modulation
06/15/2006WO2005119921A3 Ultra-wideband communication through a wire medium
06/15/2006US20060129939 Method for visualization of optical network topology
06/15/2006US20060127094 Wavelength division multiple access central station, wavelength division multiple access user interface, and optical layer connection service method in optical network using wavelength division multiple access scheme
06/15/2006US20060127093 System and method for switching channels using tunable laser diodes
06/15/2006US20060127092 Apparatus for measuring optical beat interference noise in subcarrier multiple access optical network
06/15/2006US20060127091 Dynamic multicast group management and service wavelength allocation method for communication-broadcasting convergence service in WDM-PON
06/15/2006US20060127090 Apparatus and method for controlling gain of optical receiver in optical communication system
06/15/2006US20060127089 MPLS application to optical cross-connect using wavelength as a label
06/15/2006US20060127088 Path protection method for a wdm network and according node
06/15/2006US20060127087 Optical access network method, optical access network, and optical switch for optical access network
06/15/2006US20060126165 Method and system for determining gain for an optical signal
06/14/2006EP1116346B1 Tuneable add/drop multiplexer
06/14/2006DE102004058908A1 Demodulation method e.g. for multi-carrier transmission system, involves recording information whether impulse noise is present and demodulating signal transmitted over multi-carrier transmission system
06/14/2006CN1788445A A communications system
06/14/2006CN1787486A Method for self similar cluster packet of large file service light transmission
06/14/2006CN1787419A Optical communication network
06/14/2006CN1787418A Method for reducing information distortion in ASON layering network topological abstract
06/14/2006CN1787417A Light retransmission apparatus for wave division multiplex system
06/14/2006CN1787409A Passive optical network system and method of transmitting broadcasting signal in same
06/14/2006CN1787407A Parallel-structured raman optical amplifier
06/14/2006CN1786755A Rotary refractive type optical fibre grating, its writing method and dynamic gain balaner thereof
06/14/2006CN1259784C Wave division complex mm wave light source row and corresponding optical fiber transmission radio signal communication system
06/14/2006CN1259584C Assembling type iso-film double optical fiber head and its producing method
06/14/2006CN1259580C Large capacity fiber optic cable and wavelength division multiplexing optical transmission system using the same
06/13/2006US7062178 Photodetector array and optical branching filter using the array
06/13/2006US7062174 Wavelength division multiplexing add-drop multiplexer using an optical tapped delay line
06/13/2006US7062173 Optical device and wavelength division multiplexing communication system using same
06/13/2006US7062172 Optical transmission system for frequency-multiplexed signal
06/13/2006US7062171 Multi-wavelength, bi-directional optical multiplexer
06/13/2006US7062170 Optical communication system
06/13/2006US7062169 Systems and methods for compensating for signal transients
06/13/2006US7062166 First and second derivative processing of wavelength multiplexed optical signals
06/13/2006US7062128 Holographic spectral filter
06/13/2006US7062114 Submount for a photonic integrated circuit (PIC) chip
06/13/2006US7061944 Apparatus and method for wavelength-locked loops for systems and applications employing electromagnetic signals
06/13/2006US7061664 Wavelength converter and wavelength division multiplexing transmission method using the same
06/13/2006US7061657 Multichannel optical communication system and method utilizing wavelength and coherence division multiplexing
06/08/2006WO2006058874A1 Multiplexer with optical add/drop
06/08/2006US20060120733 System and method for optical heterodyne detection of an optical signal including optical pre-selection that is adjusted to accurately track a local oscillator signal
06/08/2006US20060120728 Passive optical network system and method of transmitting broadcasting signal in same
06/08/2006US20060120725 Optical interface devices for optical communications
06/08/2006US20060120724 Optical communication network
06/08/2006US20060120723 Internet protocol video delivery in passive optical networks
06/08/2006US20060120722 Method for composite packet-switching over WDM by transparent photonic slot routing
06/08/2006US20060120434 Enhanced optical fast frequency hopping-cdma by means of over spreading and interleaving
06/07/2006EP1665867A1 Node for an optical communication network
06/07/2006EP1665620A1 Phase-insensitive recovery of clock pulses of wavelength division multiplexed optical signals
06/07/2006EP1665601A1 Optical network architecture for simultaneous transport of analog video signals and ethernet data
06/07/2006CN1784849A Method for preemphasising an optical multiplex signal
06/07/2006CN1783764A 无源光网络 Passive Optical Network
06/07/2006CN1783757A Dispersion compensator of dense wave division multiplex system
06/07/2006CN1783755A Ring type optical transmission system and optical apparatus connected to same
06/07/2006CN1782757A Fiber Bragg grating device
06/06/2006US7058966 Optical communication system for transmitting RF signals downstream and bidirectional telephony signals which also include RF control signals upstream
06/06/2006US7058314 Method and system for reducing intra-channel nonlinear effects in highly dispersed optical pulse transmission
06/06/2006US7058313 Multi-value modulation apparatus
06/06/2006US7058312 Opto-electronic phase-locked loop with microwave mixing for clock recovery
06/06/2006US7058304 Bi-directional cross-connect
06/06/2006US7058303 Optical cross-connecting device
06/06/2006US7058302 Frequency extractor
06/06/2006US7058301 Apparatus and method for planned wavelength addition and removal in a wavelength division multiplexed system
06/06/2006US7058298 Optical transmission device and optical transmission system
06/06/2006US7058296 Design method for WDM optical networks including alternate routes for fault recovery
06/06/2006US7058274 Adjustable and modular backplane assembly for providing a fiber-optics communication backplane
06/06/2006US7058268 Deployable optical fiber transmission lines, optical transmission cable, and method of making same
06/06/2006US7058263 Optical transport network
06/06/2006US7058257 Miniature WDM add/drop multiplexer and method of manufacture thereof
06/06/2006US7058256 Optical filter, adjustable add-drop-continue module and circuit for bundled cross-connection functionality
06/06/2006US7057802 Optical amplifier device
06/06/2006CA2367939C A wide-sense wavelength division multiplexed (wdm) cross-connect device
06/06/2006CA2334813C Laser communication system and methods
06/01/2006WO2005103783A3 Flexible band tunable filter
06/01/2006US20060115273 Wavelength multiplex transmission systems
06/01/2006US20060115272 Optical code division multiplexing transmission and reception method and optical code division multiplexing transceiver
06/01/2006US20060115271 Method for operating wavelength-division-multiplexed passive optical network
06/01/2006US20060115270 Wavelength-division multiplexing passive optical network
06/01/2006US20060115269 Passive optical network
06/01/2006US20060115268 System and method for bypassing a faulty node in an optical network
06/01/2006US20060115267 Non-preemptive scheduling in network elements
06/01/2006US20060115210 Ring type optical transmission system and optical apparatus connected to same
05/2006
05/31/2006EP1662685A2 Ring type optical transmission system and optical apparatus connected to same
05/31/2006EP1661315A1 Rate division multiple access (rdma) scheme
05/31/2006CN1781224A Method of manufacturing and aligning an etalon
05/31/2006CN1780193A ADM method, device and system based on universal framing protocol
05/31/2006CN1780192A Packing structure and method for wavelength divided duplexing equipment
05/31/2006CN1780191A Packing structure and method for wavelength divided duplexing equipment
05/31/2006CN1780190A Optical network service processing method
05/31/2006CN1780189A Optical code division multiplexing transmission and reception method and optical code division multiplexing transceiver
05/31/2006CN1258101C Intelligent type double channel optical fiber amplifier for metropolitan area network
05/31/2006CN1258098C Optical fiber
05/30/2006US7054563 Multi-channel optical communication system that controls optical reflection for each channel and optical transmitting and receiving apparatus therefor
05/30/2006US7054562 Method and system for suppressing ASE on a WDM network
05/30/2006US7054561 Reduction of polarization-dependent loss from grating used in double-pass configuration
05/30/2006US7054560 Configuration for detecting optical signals of a planar optical circuit
05/30/2006US7054559 Method and system for modular multiplexing and amplification in a multi-channel plan