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)
08/2012
08/09/2012US20120199722 Optical transceiver and fiber-optic gyro
08/09/2012DE10241848B4 Verfahren zur Erfassung von optischen oder elektrischen Signalfolgen und Augenmonitor zur Durchführung des Verfahrens A method for detecting optical or electrical signal sequences and eye monitor for performing the method
08/08/2012EP2485413A1 Multilevel modulated light transmitting/receiving apparatus and multilevel modulated light transmitting/receiving method
08/08/2012EP2484031A1 Modulator with marking of polarization
08/08/2012EP2484030A1 Optical fiber end structures for improved multi-mode bandwidth, and related systems and methods
08/08/2012EP2484029A1 System and arrangement for optical data transmission
08/08/2012EP2002574B1 A depolarised wdm source
08/08/2012EP1921485B1 Optical amplitude modulating system capable of removing high-order component
08/08/2012EP1769595B1 Method for transmitting information between persons
08/08/2012EP1686714B1 Wavelength multiplex transmission system
08/08/2012EP1643663B1 A addressing method of quanta network and quanta network router
08/08/2012CN202374274U Optical receiving module
08/08/2012CN202374273U Optical receiving module circuit
08/08/2012CN202374272U Optical module used in XGPON system
08/08/2012CN202374271U Optical signal hot-plug mechanism
08/08/2012CN202374270U Signal converter
08/08/2012CN202374268U OLT (Optical Line Terminal) module optical power detection circuit
08/08/2012CN202374267U Automatic monitoring circuit of optical fiber repeater remote unit
08/08/2012CN1983879B Optical receiver protection circuit
08/08/2012CN1822723B Method for adjusting a hearing aid, hearing aid and mobile control unit for the adjustment of a hearing aid
08/08/2012CN102629887A Full-duplex radio-over-fiber (RoF) access device
08/08/2012CN102227101B Light quantum communication networking structure based on quantum centralized control stations and communication method thereof
08/08/2012CN102141660B Integrated optical transceiving device
08/08/2012CN101789610B Optical fibre network terminal system and power supply module thereof
08/08/2012CN101547044B Method, system and repeater for reducing time delay in switching main optical line terminal and spare optical line terminal
08/08/2012CN101505439B Method for coordinating measurements and calibrations in a passive optical network
08/08/2012CN101401331B Method and apparatus for optically filtering a communication signal
08/08/2012CN101257348B Heterodyne type differential interference optical fiber system
08/07/2012US8238762 Method and arrangements for improving signal quality
08/07/2012US8238761 Optical receiver with a calibration mode
08/07/2012US8238760 Optical receiver with improved noise tolerance
08/07/2012US8238759 High capacity transmitter implemented on a photonic integrated circuit
08/07/2012US8238758 Three-arm DQPSK modulator
08/07/2012US8238757 Method and apparatus for generating optical duobinary signals with enhanced receiver sensitivity and spectral efficiency
08/07/2012US8238756 Long-reach passive optical network using remote modulation of an amplification optical signal
08/07/2012US8238754 System and method for pluggable optical modules for passive optical networks
08/07/2012US8238753 Optical line terminal
08/07/2012US8238751 Method and apparatus for enabling multiple optical line termination devices to share a feeder fiber
08/07/2012US8238747 Method and apparatus for generating DQPSK encoding optical signal
08/07/2012US8238745 Collection of data from an optical channel monitor without causing a malfunction of a transmission apparatus
08/07/2012US8238743 Router having dual propagation paths for packets
08/07/2012US8238699 Semiconductor-based optical transceiver
08/07/2012US8238556 Quantum communication system
08/07/2012US8238359 Communication module and communication apparatus
08/07/2012US8238325 Packet communication network and packet communication method
08/07/2012US8238257 Auto-selection of SGMII or SerDes pass-through modes
08/07/2012US8238031 Eye piece and tunable chromatic dispersion compensator using the same
08/07/2012US8237137 Photoelectronic sensor system having auto-adjustment function
08/07/2012US8235605 Self-standing parallel plate beam splitter, method for manufacturing the same, and laser diode package structure using the same
08/07/2012CA2401828C Method for transmitting additional optical signals in the s band
08/06/2012DE202006021086U1 Optisches Sende- und/oder Empfangsmodul An optical transmitting and / or receiving module
08/02/2012WO2012103085A2 Light powered communication systems and methods of using the same
08/02/2012WO2012102557A2 Optical network system between optical line terminals in a time division passive optical network
08/02/2012WO2012102358A1 Polarization multiplexing optical receiving device and polarization multiplexing optical receiving method
08/02/2012WO2012102300A1 Optical signal detection circuit and optical receiver
08/02/2012WO2012102264A1 Method for estimating amount of wavelength dispersion, wavelength dispersion compensation circuit, and receiving device
08/02/2012WO2012100543A1 Control device and method for improving stability of cross point of eye pattern
08/02/2012US20120198510 Return Data Path in an HFC Network
08/02/2012US20120197769 Chromatic dispersion compensation system and method
08/02/2012US20120195602 Sampling clock synchronizing apparatus, digital coherent receiving apparatus, and sampling clock synchronizing method
08/02/2012US20120195601 Optical transmitter with hybridly integrated driver
08/02/2012US20120195600 Reference-signal distribution in an optical transport system
08/02/2012US20120195599 System, laser-on-cmos chip, and method for setting a wavelength to be used by the laser-on-cmos chip
08/02/2012US20120195598 Communication system
08/02/2012US20120195597 Location verification in quantum communications
08/02/2012US20120195596 Method and system for dispatching scheduling uplink messages based on gigabit-capable passive optical network (gpon)
08/02/2012US20120195590 Measuring phase noise in radio frequency, microwave or millimeter signals based on photonic delay
08/02/2012US20120195589 Optical Network Automatic Protection Switching
08/02/2012US20120195588 Optical ring networks having node-to-node optical communication channels for carrying data traffic
08/02/2012US20120195561 Multimode Optical Fiber
08/02/2012US20120195329 HYBRID WIRELESS/WIRED RoF TRANSPONDER AND HYBRID RoF COMMUNICATION SYSTEM USING SAME
08/02/2012US20120195184 Systems and methods for orthogonal frequency divisional multiplexing
08/02/2012DE102011090108A1 Optischer Sender mit hybrid integriertem Treiber Optical transmitter with hybrid integrated driver
08/02/2012DE102010034450B4 Vorrichtung und Verfahren zur Kommunikation mit sichtbarem Licht mit Bildverarbeitung Apparatus and method for communicating with visible light image processing
08/01/2012EP2482473A1 Method and device for monitoring and controlling phase difference based on dqpsk modulation
08/01/2012EP2482472A2 Self-injection optical transmitting and receiving module and wavelength division multiplexing passive optical network system
08/01/2012EP2482471A1 Method and system for service clock transparent transmission in optical transport network
08/01/2012EP2482106A1 Multimode fiber
08/01/2012EP2481176A1 Multiport passive optical signal sharing device
08/01/2012EP2481174A1 Digital coherent detection of multi-carrier optical signal
08/01/2012EP1374515B1 Increasing data throughput in optical fiber transmission systems
08/01/2012CN202364234U Fiber interface transceiver possessing test holes
08/01/2012CN202364233U Multi-system network fused digital optical fiber remote system
08/01/2012CN202364232U Optical network base station of modem based on integration of three networks
08/01/2012CN202364231U Compact optical network base station based on tri-networks integration modem
08/01/2012CN202364229U Optical receiving circuit
08/01/2012CN202364227U Optical receiving module
08/01/2012CN202364226U Optical receiving circuit
08/01/2012CN202364224U Four-core optical fiber HDMI optical transceiver
08/01/2012CN202364223U Novel optical-fiber communication system device
08/01/2012CN202364222U Multifunctional portable optical fiber communication detector
08/01/2012CN202364221U Network testing device capable of carrying out optical power test
08/01/2012CN202364220U Automatic gain control (AGC) optical receiver module
08/01/2012CN1925369B Apparatus for measuring waveform of optical electric filed
08/01/2012CN102625980A Method and system for bidirectional optical communication
08/01/2012CN102624517A Communication connector between mobile POS (point of sale) and base and method for communicating mobile POS with base
08/01/2012CN102624461A Two-way transponding working method of optical fiber repeater and two-way transponding optical fiber repeater
08/01/2012CN102624460A Modulator for optical fibre linear transmission and third-order intermodulation suppression method for modulator
08/01/2012CN102624459A Generation method and device for FSK (frequency shift keying) optical labelling signal
08/01/2012CN102624458A Output power control method of burst mode laser driver
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