| 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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| 02/13/2013 | CN102095487B Optical path structure of time-division-multiplexing optical fiber hydrophone array and modulation and demodulation method thereof |
| 02/13/2013 | CN101471730B Optical fiber wideband access system and optical network unit based on WDM structure |
| 02/12/2013 | US8374514 Parallel digital coherent detection using symmetrical optical interleaver and direct optical down conversion |
| 02/12/2013 | US8374513 Optical receiver and jitter tolerance control method |
| 02/12/2013 | US8374512 Frequency offset monitoring device and optical coherent receiver |
| 02/12/2013 | US8374511 Fiber optic telecommunications card with security detection |
| 02/12/2013 | US8374510 Method and apparatus for polarization stabilization in optical receivers with complex modulation formats |
| 02/12/2013 | US8374509 Product, method and equipment for remote communication using chromogenic materials |
| 02/12/2013 | US8374508 Augmenting passive optical networks |
| 02/12/2013 | US8374507 Digital multimeter having remote display with automatic communication binding |
| 02/12/2013 | US8374506 Apparatus for transmitting data between two systems which move relative to one another |
| 02/12/2013 | US8374504 Optical communication system |
| 02/12/2013 | US8374503 Passive optical network system and optical line terminal |
| 02/12/2013 | US8374502 Open shortest path first extensions in support of wavelength switched optical networks |
| 02/12/2013 | US8373926 Differentiation of power and channel count changes in optically amplified links |
| 02/07/2013 | WO2013017329A1 Method and device for protecting traffic in an optical network |
| 02/07/2013 | WO2013016747A1 Network for data communication having at least one metering device |
| 02/07/2013 | US20130034357 Bidirectional optical transmission and receiving device |
| 02/07/2013 | US20130034355 Method and system for realizing power saving mechanism management between optical network unit (ONU) and optical line terminal (OLT) |
| 02/07/2013 | US20130034353 Optical transmission device and optical transmission method |
| 02/07/2013 | US20130034352 Coherent receiver apparatus and chromatic dispersion compensation method |
| 02/07/2013 | US20130034351 Fiber optic personnel safety systems and methods of using the same |
| 02/07/2013 | US20130034350 Multi-Channel Fiber Optic Status Monitoring Device |
| 02/07/2013 | US20130033742 Very high power pulsed fiber laser |
| 02/07/2013 | CA2843530A1 Methods and apparatus for ingress mitigation in cable communication systems, and cable communication systems and methods having increased upstream capacity for supporting voice and/or data services |
| 02/06/2013 | EP2553940A1 Method for adjustably delaying optical signals |
| 02/06/2013 | EP2553861A1 Methods and arrangements in optical network |
| 02/06/2013 | EP2553841A1 Device and method for processing an optical signal |
| 02/06/2013 | EP2553840A1 Method and module for processing a request for transmitting a radio signal in an rof system |
| 02/06/2013 | EP2553839A1 Localization services in optical fiber-based distributed communications components and systems, and related methods |
| 02/06/2013 | EP2553838A2 Method and apparatus for transmitting visibility frame according to setting of sleep mode in visible light communication system |
| 02/06/2013 | EP2553509A2 Connectors and cables with an optical transmitter |
| 02/06/2013 | EP2553417A1 Monitoring a system using optical reflectometry |
| 02/06/2013 | CN202721681U An optical transceiver used for optical fiber communication |
| 02/06/2013 | CN202721680U Dispersion compensator and wave separator with same |
| 02/06/2013 | CN202721679U Loopback optical module of QSFP+ packaging |
| 02/06/2013 | CN202721678U Optical transceiver module test and evaluation circuit board |
| 02/06/2013 | CN202721677U Multi-channel test device applied to optical transceiver module |
| 02/06/2013 | CN202721676U Intelligentized optical fiber communication network protection system |
| 02/06/2013 | CN202720480U Electrical energy management terminal apparatus |
| 02/06/2013 | CN102917286A Hand-in-hand protection switching method and system in EPON (Ethernet Passive Optical Network) |
| 02/06/2013 | CN102917285A Method and device for testing Ethernet passive optical network devices |
| 02/06/2013 | CN102917283A Optical network unit and optical module in optical network unit |
| 02/06/2013 | CN102917213A System and method for transmitting optical fiber video images |
| 02/06/2013 | CN102916807A Polarization compensation implementation method of continuous variable quantum key distribution system |
| 02/06/2013 | CN102916749A Light communication transmitting and receiving system |
| 02/06/2013 | CN102916748A System and method for simultaneously transmitting multiple signals by using mode division multiplexing of multimode optical fiber |
| 02/06/2013 | CN102916747A Optical distribution network and passive optical network based on multi-core fiber |
| 02/06/2013 | CN102916746A Passive optical network and optical network unit optical module thereof |
| 02/06/2013 | CN102916745A Light emitting diode (LED) illuminating apparatus and wireless optical communication apparatus and system |
| 02/06/2013 | CN102916744A Underwater LED visible light communication system |
| 02/06/2013 | CN102916743A Time delay asymmetric difference accurate measurement method |
| 02/06/2013 | CN102916742A Method and device for detecting and closing constant light-emitting optical network unit |
| 02/06/2013 | CN102916741A Optical module hardware online test method |
| 02/06/2013 | CN102916740A Bidirectional optical power measurement device and method for multi-wavelength passive optical network |
| 02/06/2013 | CN102916739A Real-time loop-back control system for optical module |
| 02/06/2013 | CN102916726A UWB (ultra-wide bandwidth) ranging based anchoring device for transformer substation |
| 02/06/2013 | CN102915660A Communication tester for digital optical fiber transmission of audio signals |
| 02/06/2013 | CN102914423A Measuring device and method for sag frequency of dispersion optical fiber |
| 02/06/2013 | CN102305985B Method and device for all-optical regeneration of high-speed differential quadrature reference phase shift keying (DQPSK) modulation signal |
| 02/06/2013 | CN102226763B AWG-based star-shaped topological quasi-distributed multipoint refractive index sensing system |
| 02/06/2013 | CN101820326B Encoding-decoding method, optical pulse time spreading apparatus, optical branching insertion device, and optical communication system |
| 02/06/2013 | CN101741468B Wavelength division multiplexing passive optical network system supporting deflection routing multicast function |
| 02/06/2013 | CN101394447B Multimedia communication system for mining |
| 02/06/2013 | CN101174906B Abnormal user terminal identifying device and method |
| 02/05/2013 | USRE43964 Cellular communications system with sectorization |
| 02/05/2013 | US8370500 Remote session control |
| 02/05/2013 | US8369715 Method and device and communication system for measuring optical power |
| 02/05/2013 | US8369714 Burst optical signal receiving device |
| 02/05/2013 | US8369713 Bit-rate discrimination method and its apparatus |
| 02/05/2013 | US8369712 Dispersion compensation circuitry and system for analog video transmission with direct modulated laser |
| 02/05/2013 | US8369711 Ethernet transmitter apparatus |
| 02/05/2013 | US8369710 Data processing network having an optical network interface |
| 02/05/2013 | US8369709 Optical transceiver and packaging method thereof |
| 02/05/2013 | US8369708 Data center with free-space optical communications |
| 02/05/2013 | US8369704 Optical network computation engine |
| 01/31/2013 | WO2013016450A1 Rfog cpe devices with wavelength collision avoidance using laser transmitter local and/or remote tunability |
| 01/31/2013 | WO2013016348A1 Rf communications device including an optical link and related devices and methods |
| 01/31/2013 | WO2013015859A2 Optical receiver configurable to accommodate a variety of modulation formats |
| 01/31/2013 | WO2013015391A1 Photoreceptor, photoreception device using same, and photoreception method |
| 01/31/2013 | US20130028614 Optical modulation device and bias voltage control method |
| 01/31/2013 | US20130028613 Transmission apparatus, reception apparatus, transmission method, and reception method |
| 01/31/2013 | US20130028612 Method and system for modulating a beacon light source in a light based positioning system |
| 01/31/2013 | US20130028611 Apparatuses for Reducing the Sensitivity of an Optical Signal to Polarization and Methods of Making and Using the Same |
| 01/31/2013 | US20130028610 Rf communications device including an optical link and related devices and methods |
| 01/31/2013 | US20130028609 Method and system for demodulating a digital pulse recognition signal in a light based positioning system using a fourier transform |
| 01/31/2013 | US20130028608 LCD Bit display and communication system |
| 01/31/2013 | US20130028607 Method For Optically Transmitting Data Into and From a Casing of a Projectile |
| 01/31/2013 | US20130028606 Localization services in optical fiber-based distributed communications components and systems, and related methods |
| 01/31/2013 | US20130028602 Method and system for establishing end-to-end service and optical transport network |
| 01/31/2013 | US20130028599 Repeater, relay method and optical transmission system |
| 01/31/2013 | US20130028598 Optical networks |
| 01/31/2013 | US20130028597 Method and apparatus for determining an optical signal-to-noise ratio (osnr) penalty |
| 01/31/2013 | US20130028596 Optical receiver, optical reception device, and correction method for optical received intensity |
| 01/31/2013 | US20130028595 Frequency offset estimating method and frequency offset estimating apparatus |
| 01/31/2013 | US20130028594 Method and System for Detecting Optical Fibre Connection |
| 01/31/2013 | US20130028593 Optical receiver for receiving light and optoelectronic measuring arrangement |
| 01/31/2013 | US20130027180 Seamless authentication system |
| 01/31/2013 | DE102009023301B4 Steuervorrichtung mit einer Erkennungsschaltung für die Schädigung eines seriellen Datensignals Control device with a recognition circuit for the deterioration of a serial data signal |
| 01/31/2013 | CA2841545A1 Rfog cpe devices with wavelength collision avoidance using laser transmitter local and/or remote tunability |