| 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) |
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| 11/07/2013 | US20130294767 Method and device for optimizing performance of an optical module |
| 11/07/2013 | US20130294766 Dark Current Cancellation For Optical Power Monitoring In Optical Transceivers |
| 11/07/2013 | US20130294765 Polarization multiplexing optical receiving device and polarization multiplexing optical receiving method |
| 11/07/2013 | US20130294764 Wavelength sensing lighting system and associated methods for national security application |
| 11/07/2013 | US20130294763 Optical Signal Power Selection and Control |
| 11/07/2013 | US20130294762 Optical transmission device and optical transmission method |
| 11/07/2013 | US20130293901 Method for optical cable distance measurement by using optical cable tracker and optical cable tracker |
| 11/07/2013 | CA2815756A1 Optical light source with controlled launch conditions |
| 11/06/2013 | EP2661064A2 Method for identifying universal serial bus host, and electronic device thereof |
| 11/06/2013 | EP2660984A1 Optical signal compensation device |
| 11/06/2013 | EP2659605A1 Method for a fine optical line monitoring in communication lines through qkd systems |
| 11/06/2013 | EP2659604A2 Passive optical network with sub-octave transmission |
| 11/06/2013 | EP2659603A1 Optical network system and method |
| 11/06/2013 | EP2659602A1 An optical duobinary modulated signal generator |
| 11/06/2013 | EP2659601A1 Optical communication apparatus and method |
| 11/06/2013 | EP2659600A1 A method and device for notification in a system for visible-light communication |
| 11/06/2013 | CN203279052U A wireless ultraviolet secret image transmitting apparatus |
| 11/06/2013 | CN203278857U Dual-path IEC61850 message receiving and transmitting device based on CRIO (Core-Router Integrated Overlay) platform |
| 11/06/2013 | CN203278842U 5-pin optical module |
| 11/06/2013 | CN203278841U Transmit-receive combined type backlight-free optical module |
| 11/06/2013 | CN203278840U Fiber communication device |
| 11/06/2013 | CN203278839U Attenuator |
| 11/06/2013 | CN203278838U Signal amplification shielding conversion wire |
| 11/06/2013 | CN203278837U OFDM optical wireless communication system based on IRA code |
| 11/06/2013 | CN203278836U Low-speed long-distance transmission optical module |
| 11/06/2013 | CN203278835U Optical module calibration system |
| 11/06/2013 | CN203278834U Light channel performance monitoring module capable of measuring channel central wavelength |
| 11/06/2013 | CN203278833U Optical network tester |
| 11/06/2013 | CN203278832U Optical loss tester |
| 11/06/2013 | CN203276588U Stop board type informatization base station |
| 11/06/2013 | CN103384970A Appliance and arrangement for optical signal transmission by means of optical waveguides |
| 11/06/2013 | CN103384969A Optical communication apparatus and method |
| 11/06/2013 | CN103384968A Array comprising a plurality of adjustable optical devices |
| 11/06/2013 | CN103384353A Passive optical network system and detection method for customer premise equipment of passive optical network system |
| 11/06/2013 | CN103384207A Passive optical network system and control method for upgrade of customer premise equipment of passive optical network system |
| 11/06/2013 | CN103384172A Laser wireless energy transfer communication and tracking integrating system and method |
| 11/06/2013 | CN103384171A OLT device and ONU configuration issuing method thereof |
| 11/06/2013 | CN103384169A Code division multiple access spread spectrum signal space synthesis transmitter based on LED array |
| 11/06/2013 | CN103384166A Fiber port line sequence tester of fiber access network |
| 11/06/2013 | CN103384165A Long-time light-emitting detection circuit |
| 11/06/2013 | CN103384164A Optical line terminal service interruption resistant system and service interruption resistant method |
| 11/06/2013 | CN103383483A Parallel optical emission assembly based on 45-degree fiber array and manufacturing method thereof |
| 11/06/2013 | CN103383481A Parallel optical transceiving device based on standard MT connector and manufacturing method thereof |
| 11/06/2013 | CN103383446A Indoor positioning method, device and system based on visible light and light source |
| 11/06/2013 | CN102739394B Light quantum phase modulating system |
| 11/06/2013 | CN102571144B Optical-carrier ultra wideband radio signal generator with tunable frequency band |
| 11/06/2013 | CN102439994B Method and device for adjusting optical device filtering bandwidth |
| 11/06/2013 | CN102263437B Intelligent electricity grid |
| 11/06/2013 | CN102217215B Optical electric field transmitter and optical transmission system |
| 11/06/2013 | CN102204201B Method and apparatus for compatibly realizing pdm-bpsk and qpsk modulation |
| 11/06/2013 | CN102156221B Photon-integrated-circuit-based instantaneous microwave frequency measurement device and method |
| 11/06/2013 | CN102098104B Method and circuit for realizing hot plug capability of optical channel port |
| 11/06/2013 | CN102055524B 无源光网系统及光线路终端 Passive optical network system and optical line terminal |
| 11/06/2013 | CN102045108B Method and equipment for detecting illegal user in passive optical network (PON) |
| 11/06/2013 | CN102025414B Relay station and method for adjusting output optical signal thereof |
| 11/06/2013 | CN101964924B Method, device and system for transmitting information in passive optical network |
| 11/06/2013 | CN101895346B Transmitter of OOFDM system and method of delay caused by pre-compensated optical fibre dispersion |
| 11/06/2013 | CN101814951B High-density multiple-wavelength optical time domain reflectometer |
| 11/06/2013 | CN101662325B Method for electric power supply control of optical receiver, digital signal processing circuit, and optical receiver |
| 11/06/2013 | CN101467366B Passive optical network with partially-tuned lasers |
| 11/06/2013 | CN101453268B Optical communication system based on polarization multiplex technique and method thereof |
| 11/05/2013 | US8577225 Optical receiver |
| 11/05/2013 | US8577224 Optical shaping for amplification in a semiconductor optical amplifier |
| 11/05/2013 | US8577223 Optical communications apparatus |
| 11/05/2013 | US8577222 Optical repeater system |
| 11/05/2013 | US8577220 Method and system for protecting against communication loss in an optical network system |
| 11/05/2013 | US8576729 Communication method for point-to-multipoint communication system and subsidiary transmission apparatus for the same system |
| 11/05/2013 | US8576481 Method and apparatus of detecting an opening in an optical transmission fiber of a ROPA system |
| 11/05/2013 | US8576480 Optical amplifier and an optical amplification method |
| 11/05/2013 | US8576389 Multiple-acquisition OTDR method and device |
| 11/05/2013 | US8575783 Solar panel as infrared signal receiver and processor |
| 11/05/2013 | US8573860 Pluggable optical network unit transceiver |
| 11/05/2013 | CA2693288C Low-average-power parabolic pulse amplification |
| 11/05/2013 | CA2548717C Master/slave multiple path optical switching device |
| 11/05/2013 | CA2468110C Methods of connecting and testing interfaces for cwdm fiberoptic systems |
| 10/31/2013 | WO2013162988A1 Distributed antenna system architectures |
| 10/31/2013 | WO2013162517A1 Optical data interface with electrical forwarded clock |
| 10/31/2013 | WO2013161825A1 Multicore optical fiber, multicore optical fiber cable, and multicore optical fiber transmission system |
| 10/31/2013 | WO2013159594A1 Multimedia stream transmission method and system based on terahertz wireless communication |
| 10/31/2013 | WO2013159350A1 Method, system, and device for positioning abnormal onu in passive optical network system |
| 10/31/2013 | US20130291013 Optical integration system for disaster emergency proadcasting communivation |
| 10/31/2013 | US20130287410 Phase skew compensation at a coherent optical receiver |
| 10/31/2013 | US20130287409 Systems, Circuits and Methods for Filtering Signals to Compensate for Channel Effects |
| 10/31/2013 | US20130287408 Optical radiation signal generating device and tranceiving system, and method of generating an optical radiation signal |
| 10/31/2013 | US20130287407 Hybrid Multichannel or WDM Integrated Transceiver |
| 10/31/2013 | US20130287406 Optical transceiver module |
| 10/31/2013 | US20130287403 Methods and apparatus for modulating light to concurrently convey high rate data and low rate data |
| 10/31/2013 | US20130287402 Optical receiver implemented with semiconductor optical amplifier in front end thereof and method to control the same |
| 10/31/2013 | US20130287400 Intercom transceiver with fiber optic link |
| 10/31/2013 | US20130287397 Electro-optical switching fabric systems and methods |
| 10/31/2013 | US20130287395 Optical Burst Receiver With a Configurable AC and DC Coupling Interface |
| 10/31/2013 | US20130287393 Coherent optical receiver device and coherent optical receiving method |
| 10/31/2013 | US20130287392 Circuits and Methods for Monitoring Power Parameters in an Optical Transceiver |
| 10/31/2013 | US20130287390 Digital filter device, digital filtering method and control program for the digital filter device |
| 10/31/2013 | US20130286468 Raman amplifier, optical repeater, and raman amplification method |
| 10/31/2013 | US20130286376 Apparatus and optical method of ranging and of high bit-rate communication |
| 10/30/2013 | EP2658230A1 Method and apparatus for data communication using digital image processing |
| 10/30/2013 | EP2658151A1 Communication device to connect a user facility to an optical fiber |
| 10/30/2013 | EP2658150A1 Apparatus and method for aligning visible light communication devices in visible light communication system |
| 10/30/2013 | EP2656533A1 Method for recovering clock information from a received optical signal |