Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 10 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
Patents for H04B 10 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication (73,125)
10/2008
10/09/2008US20080247405 Apparatus and method for switch zoning
10/09/2008US20080246582 Coding of Laser Fibers
10/09/2008DE102007015900A1 Konzept zur Anpassung von optischen Filterwellenlängen Concept for adapting optical filter wavelengths
10/09/2008DE102007015628A1 Verfahren und Einrichtung zur Überwachung einer Datenübertragungsstrecke, insbesondere einer optischen bidirektionalen Datenübertragungsstrecke Method and apparatus for monitoring a data transmission path, especially an optical bidirectional data transmission path
10/09/2008DE102007015225A1 Verfahren zur Ermittlung einer Modengruppenmischungsmatrix eines Multimoden-Lichtwellenleiters und optische Übertragungssysteme Method for determining a mode group mixing matrix of a multimode optical fiber and optical transmission systems
10/09/2008CA2628940A1 Devices, systems and methods for ad hoc wireless communication
10/08/2008EP1978775A2 Communication system, terminating apparatus and PON virtualization method for use therein
10/08/2008EP1978656A1 Fiber optic link for transmission of digital data
10/08/2008EP1978655A1 Receiver for receiving optical signals form different sources and method
10/08/2008EP1978653A1 Optical wavelength multiplexing access system
10/08/2008EP1978384A2 Method for compensating modal dispersion in multimode optical fiber transmission path
10/08/2008EP1977572A2 Compute clusters employing photonic interconnections for transmitting optical signals between compute cluster nodes
10/08/2008EP1977549A1 Low jitter clock recovery from a digital baseband data signal transmitted over a wireless medium
10/08/2008EP1977278A2 Optical bus
10/08/2008EP1754292B1 Wavelength stabilized laser module
10/08/2008EP1625679A4 High speed, silicon-based electro-optic modulator
10/08/2008EP1504548B1 Device for optically transmitting signals between two units moving relative to one another
10/08/2008EP1312177B1 Methods and systems for digitally processing optical data signals
10/08/2008EP1018195B1 Optical amplifier with actively controlled spectral gain
10/08/2008CN201130985Y Mobile phone, receiving apparatus and communication system
10/08/2008CN101283531A Optical component for gain-flattening WDM signals comprising said component and optical amplifier
10/08/2008CN101283530A Optical demodulating apparatus and method
10/08/2008CN101283529A Apparatus for modulating one or both of spectral phase and amplitude of an optical signal
10/08/2008CN101283528A Optical receiver, optical communication system, and method
10/08/2008CN101282586A Method, system and apparatus for detecting optical fiber fault in passive optical network
10/08/2008CN101282180A Optical fiber direct transport station with common/different-frequency forwarding function
10/08/2008CN101282179A Method and system for locking light transmitter output wavelength
10/08/2008CN101282178A Method for inquiring and managing configuration data of EPON local network element equipment
10/08/2008CN101282177A Data transmission method and terminal
10/08/2008CN101282176A Method and apparatus for processing failure
10/08/2008CN101282175A Free space MIMO optical communication system based on vertical demixing time space
10/08/2008CN101282174A Encoding-decoding device based on optical fiber communication and high pressure frequency transformer control module
10/08/2008CN101281682A Method and system for telemetering rotating machinery parameter based on wireless laser communication
10/08/2008CN100424543C Crystal optical fiber solition type full light regenerator and its light signal regenerating method
10/08/2008CN100424536C Mixed optical cable with sensing and communication function and producing method thereof
10/08/2008CN100424530C Optical fiber, optical fiber ribbon, and optical interconnection system
10/07/2008US7434249 FTTH PON that O/E converts 1310 nm for output to transmitters for E/O as 1550 nm
10/07/2008US7434116 Unitary testing apparatus for performing bit error rate measurements on optical components
10/07/2008US7433606 Photodiode bias controller for optical receiver
10/07/2008US7433605 Adiabatic frequency modulated transmitter with negative chirp
10/07/2008US7433604 Direct-detection optical differential 8-level phase shift keying (OD8PSK) for spectrally efficient transmission
10/07/2008US7433603 Using active and passive optical components for an optical network
10/07/2008US7433602 Implementation of gradual impedance gradient transmission line for optimized matching in fiber optic transmitter laser drivers
10/07/2008US7433601 Optical network and optical add/drop apparatus
10/07/2008US7433600 Optical node device and system including the device
10/07/2008US7433599 Automatic dispersion compensation device and compensation method
10/07/2008US7433598 Uncooled laser generation of narrowcast CATV signal
10/07/2008US7433596 Bi-directional, full-duplex, one-wire communications link for use in fiber optic transceivers
10/07/2008US7433595 Optical signal transmission apparatus and optical signal transmission method
10/07/2008US7433594 Node apparatus, optical wavelength division multiplexing network, and system switching method
10/07/2008US7433593 Switching algorithm for optical fiber networks
10/07/2008US7433572 Optical bypass method and architecture
10/07/2008US7433564 Optical device for optical communication
10/07/2008US7433475 Electronic device, video camera apparatus, and control method therefor
10/07/2008US7433440 Jitter-detecting circuit, receiving circuit including the jitter-detecting circuit, and communication system
10/07/2008US7433375 Laser trim and compensation methodology for passively aligning optical transmitter
10/07/2008US7433371 Optical cross connect apparatus and network
10/07/2008CA2353873C Reducing the distortion of optical pulses caused by the polarization mode dispersion in optical communication systems
10/07/2008CA2347577C Optical transponder and automatic optical signal type identification method for use therewith
10/07/2008CA2268003C Interlocked high power fiber system using otdr
10/02/2008WO2008118411A1 Filter based dpsk receiver
10/02/2008WO2008118289A1 Optical equalization of multi-level symbol constellations
10/02/2008WO2008118288A1 Optical modulator
10/02/2008WO2008117460A1 Multilevel light intensity modulator
10/02/2008WO2008117433A1 Optical communication base station, optical signal converting apparatus and optical signal converting method
10/02/2008WO2008116407A1 A method, system and device for transmitting data in optical network
10/02/2008WO2008116309A1 Method and system for testing for defects in a multipath optical network
10/02/2008WO2008081138A3 Energy transfer through optical route for charging an electric device
10/02/2008US20080240738 Optical receiver, optical communication device, and optical signal receiving method
10/02/2008US20080240737 Optical receiver and control method for optical receiver
10/02/2008US20080240736 Inter-Symbol Interference-Suppressed Colorless DPSK Demodulation
10/02/2008US20080240735 Symmetrical Optical Receiver
10/02/2008US20080240734 Multimode Optical Transmission Device
10/02/2008US20080240733 Dispersion compensator for frequency reshaped optical signals
10/02/2008US20080240732 Optical communication module and control method thereof
10/02/2008US20080240731 Optical repeater
10/02/2008US20080240730 Fiber connectivity for emergency response personnel
10/02/2008US20080240729 Data transmission system and transmission code generating method for the same
10/02/2008US20080240727 Tunable dispersion compensator
10/02/2008US20080240726 Phase coded non-return-to-zero optical transmitter
10/02/2008US20080240725 Optical receiver and optical transceiver using the same
10/02/2008US20080240724 System and method for cable monitoring
10/02/2008US20080240723 Systems and methods for chirp control of a dual arm Z-modulator to minimize dispersion effect of fiber plant
10/02/2008US20080240722 Communications device
10/02/2008US20080240721 Optical receiver, reception control method and reception control program
10/02/2008US20080240720 Terminal device, center device, optical communication network system and upstream signal timing control method
10/02/2008US20080240719 Method and apparatus for establishing system delay time and frame length in time division duplexing system
10/02/2008US20080240714 Station terminating device, subscriber terminating device, communication system, control method of the devices, and recording medium recorded with program
10/02/2008US20080240713 Method and apparatus for automatic restoration detection and automatic restoration of optical communication system
10/02/2008US20080240712 Method and system of monitoring a data transmission link, particularly an optical, bidirectional data transmission link
10/02/2008US20080240711 Optical Network Evaluation Systems and Methods
10/02/2008US20080240710 Optical communication system, optical communication apparatus, and method of monitoring fault alarm in path section detour
10/02/2008US20080240650 Optical switch and method of adjusting optical switch
10/02/2008US20080240410 Systems and method for orthogonal frequency divisional multiplexing
10/02/2008US20080240367 Optical network terminal battery back-up control
10/02/2008US20080240214 Systems and method for orthogonal frequency divisional multiplexing
10/02/2008US20080239470 Individual band gain equalizer for optical amplifiers
10/02/2008US20080239469 Gain control apparatus, optical transmission apparatus, gain control method for optical amplifier, and wavelength multiplex optical transmission system
10/02/2008US20080239448 Optical modulation device and optical modulation method
10/02/2008US20080238907 Multimedia terminal and method for switching state of the multimedia terminal
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