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)
09/2012
09/05/2012CN101379738B Methods and systems for avoiding transmission-channel disruptions
09/05/2012CN101350679B Protection switching method, system and equipment based on Ethernet passive optical network
09/05/2012CN101304157B Surface emitting semiconductor laser and manufacturing method thereof
09/05/2012CN101242224B An optical fiber pipe monitoring system
09/05/2012CN101223715B 光网络监测器pcb Optical network monitor pcb
09/04/2012US8260156 Adaptive crossing frequency domain equalization (FDE) in digital PolMux coherent systems
09/04/2012US8260155 Carrier detection circuit, method for controlling carrier detection circuit, and infrared signal processing circuit having the carrier detection circuit
09/04/2012US8260154 Digital equalization apparatus and method for coherent optical receiver
09/04/2012US8260153 Method and apparatus for polarization-division-multiplexed optical coherent receivers
09/04/2012US8260152 Optical signal detection method, and light receiving apparatus using the same
09/04/2012US8260151 Optical communication integration
09/04/2012US8260150 Passive wave division multiplexed transmitter having a directly modulated laser array
09/04/2012US8260148 Device for transmitting and receiving DVI video over a single fiber optic interconnect
09/04/2012US8260147 System-on-chip having optical interconnections
09/04/2012US8260146 Free-space optical transceiver using multimode fiber to couple single mode input optical signal
09/04/2012US8260145 Digital radio frequency tranceiver system and method
09/04/2012US8260144 Digital radio frequency tranceiver system and method
09/04/2012US8260143 Digital radio frequency tranceiver system and method
09/04/2012US8260139 Dispersion compensator
09/04/2012US8260137 Receiver for a modulated light signal and method for receiving a modulated light signal
09/04/2012US8260136 Polarization beam splitter
09/04/2012US8260135 Passive optical network system and wavelength assignment method
09/04/2012US8260132 System and method for cable monitoring
09/04/2012US8259390 Optical amplifier apparatus
09/04/2012US8259388 Optical fiber amplifier
09/04/2012US8259387 Optical amplifier
09/04/2012US8259377 Delayed optical logic gates for boolean algebra
09/04/2012US8259376 Delayed optical logic gates
09/04/2012CA2733344A1 Small form factor pluggable unit with signal diagnostic capabilities
09/04/2012CA2607364C Method and apparatus for controlling a semiconductor optical amplifier for use in a passive optical network
09/04/2012CA2509601C Distributed wireless network employing utility poles and optical signal distribution
09/04/2012CA2318374C Human suppressor trna oligonucleotides and methods of use for same
08/2012
08/30/2012WO2012116060A1 Generating higher-level quadrature amplitude modulation (qam) using a delay line interferometer and systems and methods incorporating same
08/30/2012WO2012115780A1 Low-loss, low-latency, hollow core fiber communication system
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
08/30/2012WO2012114526A1 Communication system, subscriber side optical line terminator, station side optical line terminator, control device, and communication control method
08/30/2012WO2012114089A1 Optical path switching
08/30/2012WO2012113447A1 Coherent transceiver for an optical network
08/30/2012WO2012113339A1 Optical module device and method for receiving and transmitting signals
08/30/2012WO2012113234A1 Data transmission method and system between user equipments
08/30/2012US20120219303 Efficient Computation And Compensation Of Linear And Nonlinear Distortion In Dispersion-Managed Fiber-Opic Transmission
08/30/2012US20120219302 Pmd and chromatic dispersion tolerant clock recovery
08/30/2012US20120219301 Low-loss, low-latency, hollow core fiber communication system
08/30/2012US20120219300 Single-wavelength bidirectional fiber optical link with beam-splitting element
08/30/2012US20120219299 Method and system for optical communication
08/30/2012US20120219298 Remote control system and method having reduced vulnerability to noise
08/30/2012US20120219297 Apparatus, systems and methods for detecting infrared signals at a media device configured to be positioned in different orientations
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
08/30/2012US20120219290 Optical linear feedback circuit
08/30/2012US20120219289 Optical transport system and optical node
08/30/2012US20120219287 Method and device for processing data in an optical network
08/30/2012US20120219286 Systems and Methods for Diagnostic Monitoring of Optical Modulation Amplitude at an Optical Receiver Using Automatic Gain Control
08/30/2012US20120219285 In-band optical signal to noise ratio monitoring technique
08/30/2012US20120219284 Method and Apparatus for Processing Tandem Connection Monitoring Level
08/30/2012US20120219283 System And Method For Identifying A Length Of An Installed Fiber Cable
08/30/2012US20120219282 Optical transmission system and optical transmission method
08/30/2012US20120219025 Method and device for adjusting a tunable laser of an optical network element
08/29/2012EP2493209A1 Method of remote optical powering and communication in an optical communication network
08/29/2012EP2493101A1 Fast OMSP setup optimized for coherent detection
08/29/2012EP2492731A1 Optical receiving device and communication system
08/29/2012CN202406112U Handheld terminal for testing PON (passive optical network) optical communication quality
08/29/2012CN1905415B Optical communication network, node apparatus and method for relieving path fault
08/29/2012CN1825786B Composite feedback control vibration compensating system based on CCD
08/29/2012CN102652406A Method and device for determining optical signal to noise ratio (osnr) cost
08/29/2012CN102651667A Polymer single-fiber optical transmit-receive module and preparation method thereof
08/29/2012CN102651664A Reverse power supply method and device aiming at passive optical network equipment
08/29/2012CN101631095B Adaptive non-linearity compensation in coherent receiver
08/29/2012CN101325306B Tunable light source apparatus, and adjustment method and control program of the same
08/28/2012US8255582 Optical communication module, universal serial bus cable with the same and processing method of data transfer thereof
08/28/2012US8254792 Burst mode optical receiver
08/28/2012US8254791 Optical transmitting apparatus and optical communication system
08/28/2012US8254790 Communications system and communications lighting apparatus
08/28/2012US8254789 Device and method for adjusting chromatic dispersion
08/28/2012US8254788 High speed in-service optical network testing
08/28/2012US8254787 PMDC feedback arrangement for APol-DPSK
08/28/2012US8254786 Method and system for monitoring and servicing devices based on one-wire infrared communication
08/28/2012US8254785 Optical image processing to wirelessly transfer a voice message
08/28/2012US8254783 Point-to-multipoint optical communication system
08/28/2012US8254782 Optical signal quality monitoring apparatus
08/28/2012US8254781 Testing of receivers with separate linear O/E module and host used in communication links
08/28/2012US8254780 Passive optical network system and fault determination method
08/28/2012US8254779 Field-configurable optical network terminal device
08/28/2012US8254778 Method, apparatus and system for handling fiber line fault
08/28/2012US8254416 Superfluorescent fiber source with enhanced mean wavelength stability
08/28/2012US8254270 Fast convergence on child link failures and weighted load balancing of aggregate ethernet/SONET bundles
08/28/2012US8254017 Optical fiber amplifier and methods of making the same
08/28/2012US8251594 Pluggable electronic unit with transmission power adjustment capability
08/28/2012CA2605514C Method and apparatus for determining micro-reflections in a network
08/28/2012CA2354461C Optical threshold and comparison devices and methods
08/23/2012WO2012112693A1 Optical converter with adc based channelizer for optical lnb system
08/23/2012WO2012111847A1 Signal processing circuit, signal processing method, optical receiver and optical communication system
08/23/2012WO2012111403A1 Optical transmission device, optical transmission system, optical transmission method, and program
08/23/2012WO2012111321A1 Optical frequency shifter and optical modulator using same
08/23/2012WO2012111140A1 Optical receiver, non-linear equalisation circuit, and digital signal processing circuit
08/23/2012WO2012110449A1 Processing data in an optical network element
08/23/2012WO2012110080A1 Optical modulator
08/23/2012WO2012109902A1 Method and system for configuring protection group
08/23/2012WO2012109894A1 Method and device for determining total optical signal to noise ratio penalty of optical fibre communication system
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