Patents
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)
10/2012
10/23/2012US8295713 Dual stage carrier phase estimation in a coherent optical signal receiver
10/23/2012US8295712 Optical device and method for optical frequency modulation to optical amplitude modulation conversion
10/23/2012US8295711 Frequency-agile infrared receiver
10/23/2012US8295710 Optical I-Q-modulator
10/23/2012US8295709 Variable dispersion compensation device
10/23/2012US8295708 High speed underwater data transmission method
10/23/2012US8295707 Electronic device with reflection structure for reflecting optical signal to receiver thereof
10/23/2012US8295706 Technique for simultaneously transmitting wide and narrow optical beacon signals
10/23/2012US8295705 Visible light communication method and system
10/23/2012US8295703 Optical transmission apparatus
10/23/2012US8295701 Adaptive hybrid optical control plane determination of lightpaths in a DWDM network
10/23/2012US8294983 Optical amplifier using photoelectric effect of surface plasmon resonance photons and its manufacturing method
10/23/2012US8294981 Optical amplifiers using switched filter devices
10/23/2012US8294980 Delay line interferometer with liquid crystal tuning element
10/23/2012US8292518 Communications module integrated boot and release slide
10/21/2012CA2739925A1 Compensation of distortion from sbs/iin suppression modulation
10/18/2012WO2012142627A2 Prosthetic socket sealing system and method
10/18/2012WO2012142426A1 System and method for establishing secure communications between transceivers in undersea optical communication systems
10/18/2012WO2012141610A1 Method for transmitting information using photons (variants)
10/18/2012WO2012140922A1 Coherent receiver
10/18/2012WO2012140633A1 Optical receiver device
10/18/2012WO2012140513A2 Method for supporting sncp over packet network
10/18/2012WO2012140186A1 Polarization stabilization scheme for un-cooled self-tuning cavity for colorless ultra broadband pon
10/18/2012WO2012139516A1 Mitigating rogue optical network unit (onu) behavior in a passive optical network (pon)
10/18/2012WO2012139165A2 Joint coding for optical ofdm
10/18/2012US20120263481 Nonlinear compensation using an enhanced backpropagation method with subbanding
10/18/2012US20120263480 All-optical phase-modulated data signal regeneration
10/18/2012US20120263479 Optical network communication system with variable optical attenuation and method of operation thereof
10/18/2012US20120263478 Hearing aid system using wireless optical communications
10/18/2012US20120263477 Portable Terminal and Method for Remote Control of Electronic Products
10/18/2012US20120263476 System and Method for Establishing Secure Communications Between Transceivers in Undersea Optical Communication Systems
10/18/2012US20120263471 Optical ofdm transmission having a variable transmission rate
10/18/2012US20120263470 Method for processing traffic in an optical network and optical network component
10/18/2012US20120263468 Generation of Optical Quadrature Duobinary Format Using Optical Delay
10/18/2012US20120263466 Multidimensional hybrid modulations for ultra-high-speed optical transport
10/18/2012US20120263464 Adaptive Cross-Polarization Modulation Cancellers for Coherent Optical Communication Systems
10/18/2012US20120263463 Optical transmission device and optical switch device
10/18/2012US20120263461 Multichannel nonlinearity compensation in an optical communications link
10/18/2012US20120263459 Optical channel monitor and optical transmission apparatus
10/18/2012US20120263458 Method and apparatus for detecting branch fibers, and passive optical network
10/18/2012US20120263457 Technique for monitoring optical networks
10/18/2012US20120263456 Skew suppression method and optical transmission system
10/18/2012US20120263454 Crosstalk-Free High-Dimensional Constellations for Dual-Polarized Nonlinear Fiber-Optic Communications
10/18/2012US20120263453 Method for supporting sncp over packet network
10/18/2012US20120263452 Method of switching optical transport network and node device
10/18/2012US20120263206 Surface-emission laser diode and fabrication process thereof
10/17/2012EP2512043A1 Polarization stabilization scheme for un-cooled self-tuning cavity for colorless ultra broadband PON
10/17/2012EP2511744A1 Optical backplane interconnection system and communication device
10/17/2012EP2510390A1 Waveguide optically pre-amplified detector with passband wavelength filtering
10/17/2012CN202495942U Backbone layer composite optical cable system
10/17/2012CN202495941U Composite optical cable network system
10/17/2012CN202495940U Novel optical splitter test device
10/17/2012CN1866796B SDMA visible light wireless access system
10/17/2012CN102742187A Method and arrangement for transmitting an optical transmission signal with reduced polarisation-dependent loss
10/17/2012CN102742186A Method and arrangement for stabilizing a color coding method for optical transmission of data
10/17/2012CN102742183A Light receiver
10/17/2012CN102739319A Atomic spectrum communication device
10/17/2012CN102739318A Small-sized hot-pluggable transceiving integration optical module for plastic optical fiber communication
10/17/2012CN102739315A Hybrid transmission system capable of transmitting signals of different directions
10/17/2012CN102739314A Test system and method for scintillation characteristic of fake partially coherent light transmitted in atmosphere turbulence
10/17/2012CN102739313A Full-protection quick switching method of Ethernet passive optical network (EPON) system with hand-in-hand structure
10/17/2012CN102739312A Intelligent power station secondary equipment optical interface communication capacity testing method
10/17/2012CN102739310A Method, device and system for controlling intelligent optical distribution network (iODN) equipment
10/17/2012CN102739308A Recovery method for protection service in intelligent optical network
10/17/2012CN102739307A Query device based on optical fiber physical port intelligent management
10/17/2012CN102739305A Method, system and device for locating abnormal ONU in passive optical network system
10/17/2012CN102739304A Light detection circuit used for chip safety protection
10/17/2012CN102739303A Revolution-paraboloid-based data transmission device in computed tomography imaging equipment
10/17/2012CN102737231A Visible light communication-based fingerprint verification system and method
10/17/2012CN101366209B Marine-cable light compensator and compensation
10/16/2012US8290376 Optical receiver for the WDM system and the method for controlling the same
10/16/2012US8290375 Modulation based optical spectrum analyzer
10/16/2012US8290374 Dispersion compensation method and device in optical communication system
10/16/2012US8290373 Wavelength division multiplexer and regenerative repeating method in wavelength division multiplexing network
10/16/2012US8290372 Optical transceiver, its communication method, and communication system
10/16/2012US8290369 Optical access system
10/16/2012US8290368 Detecting collisions on multipoint shared optical media
10/16/2012US8290367 OSS support for control plane technology
10/16/2012US8290365 Simulation of optical characteristics of an optical fiber
10/16/2012US8290364 Method, optical network and network device for locating fiber events
10/16/2012US8290363 Optical line monitoring apparatus and optical line monitoring method
10/16/2012US8290362 Predictive end-to-end management for SONET networks
10/16/2012US8290361 Transmission line monitoring system
10/16/2012US8288707 Optoelectronic sensor
10/16/2012US8287192 Optical network unit transceiver
10/11/2012WO2012137789A1 Optical transmission system, multicore optical fiber, and method for manufacturing multicore optical fiber
10/11/2012WO2012137555A1 Waveguide optical switch
10/11/2012WO2012137299A1 Optical receiver
10/11/2012WO2012137280A1 Light transmitter and method for controlling light transmitter
10/11/2012WO2012136864A1 Smart optical transceiver using an unguided laser in free space
10/11/2012WO2012136155A1 Wavelength management in multiple-wavelength passive optical networks
10/11/2012WO2012136089A1 Loop detection method and system for passive optical network
10/11/2012US20120257903 Optical transmission apparatus and optical transmission method
10/11/2012US20120257902 Device and Method for Optical Beam Combination
10/11/2012US20120257901 Visible Light Communication Transmitter and Visible Light Communication System
10/11/2012US20120257899 Orthogonal band launch for repeaterless systems
10/11/2012US20120257898 Apparatus and method for transmitting data by using visible light
10/11/2012US20120257892 Method for Sub-Rating an Ethernet Passive Optical Network (EPON) Medium Access Control (MAC) Based Communication Link
10/11/2012US20120257891 Traffic Switching In Hybrid Fiber Coaxial (HFC) Network
10/11/2012US20120257890 System and method for cable monitoring