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)
09/2014
09/17/2014EP2778706A1 Position compensation device using visible light communication and method thereof
09/17/2014EP2777294A2 Apparatus and method for providing protection in a passive optical network
09/17/2014EP2777181A1 Universal host module for a pluggable optical transmitter
09/17/2014EP2777180A1 Catv transmission system using analog small form factor pluggable modules
09/17/2014EP2777179A1 Small form factor, pluggable, analog optical transmitter and host module
09/17/2014EP2777178A1 Method and apparatus for raman cross-talk mitigation
09/17/2014EP2776881A1 Adaptive equalization of impedance mismatched card-edge connections
09/16/2014US8837957 Method and apparatus of using digital equalizer for cascaded wavelength selective switch compensation
09/16/2014US8837956 Pipelined receiver system and method
09/16/2014US8837955 Phase modulation apparatus, transmitting apparatus, receiving apparatus, and phase modulation method
09/16/2014US8837954 Asset tracking system for rack-based enclosures
09/16/2014US8837953 Mitigating noise and OBI in RFoG networks
09/16/2014US8837952 Textile-structure optical communication interface device and system
09/16/2014US8837951 40, 50 and 100 Gb/s optical transceivers/transponders in 300pin and CFP MSA modules
09/16/2014US8837950 Accessing transceiver link information from host interface
09/16/2014US8837949 Compact wide-angle pixellated active optical link
09/16/2014US8837948 Multimode optical amplifier as a receiver pre-amplifier for free-space optical communications
09/16/2014US8837946 Data transmission apparatus and method for use in separate-type base station
09/16/2014US8837944 Power supply control method, an optical network unit, an optical line terminal and a communication system
09/16/2014US8837943 Communication system and method for directly transmitting signals between nodes of a communication system
09/16/2014US8837940 Methods and systems for distributing fiber optic telecommunication services to local areas and for supporting distributed antenna systems
09/16/2014US8837939 Wavelength division multiplexing transmission system, optical channel monitor and optical channel monitoring method
09/16/2014US8837938 Method and device for monitoring submarine cable system
09/16/2014US8837937 Detecting device for detecting insertion loss and return loss of individual events in an optical fiber network
09/16/2014US8837935 Technique for monitoring optical networks
09/16/2014US8837934 Monitoring circuitry for optical transceivers
09/16/2014US8837892 Few mode optical fibers for mode division multiplexing
09/16/2014US8837876 Systems and methods for implementing optical and RF communication between rotating and stationary components of a rotary sensor system
09/16/2014US8837735 Architecture for reconfigurable quantum key distribution networks based on entangled photons by wavelength division multiplexing
09/16/2014US8836927 System for improving the dynamic range and reducing measurement uncertainty in fibre optic distributed sensors and fibre optic distributed measurement equipment
09/16/2014US8835830 Voltage output circuit, connector module, and active cable
09/16/2014US8834040 Connectors and cables with an optical transmitter
09/15/2014CA2846743A1 Catv video and data transmission system with rf input
09/15/2014CA2846595A1 Catv video and data transmission system with automatic dispersion compensation
09/15/2014CA2846589A1 Catv video and data transmission system with rf and digital combining network
09/15/2014CA2846553A1 Catv video and data transmission system with hybrid input
09/12/2014WO2014138497A1 Optical communication interface utilizing quadrature amplitude modulation
09/12/2014WO2014138496A1 Optical communication interface utilizing coded pulse amplitude modulation
09/12/2014WO2014138345A1 High-resolution link-path delay estimator and method for estimating a signal-path delay
09/12/2014WO2014138213A1 Hybrid fiber optic and power over ethernet
09/12/2014WO2014137823A1 Rapid in-the-field auto-alignment for radio frequency and free-space optical data communication transceivers
09/12/2014WO2014137782A1 Methods and apparatus for using visible light communications for controlling access to an area
09/12/2014WO2014137256A1 Methods and arrangements for providing radio access at local site
09/12/2014WO2014137254A1 Optical amplifier arrangement
09/12/2014WO2014137183A1 Signal processing method and bidirectional cwdm ring network system for same
09/12/2014WO2014136421A1 Transmission/reception device, optical space transmission system, and transmission/reception method
09/12/2014WO2014136320A1 Optical switch and optical switch extension method
09/12/2014WO2014136264A1 Optical network system and optical communication method
09/12/2014WO2014136110A1 Free space optical communication system
09/12/2014WO2014135184A1 System and method for the access to information contained in motor vehicles
09/12/2014WO2014134770A1 Optical transmitter, signal transmission method and system
09/11/2014US20140255045 Externally modulated optical transmitter with chirp control
09/11/2014US20140255044 Graphene plasmonic communication link
09/11/2014US20140255043 Optical communication device with planar optical waveguide
09/11/2014US20140255042 Optical Receiver And Transceiver Using The Same
09/11/2014US20140255041 Out of band data transfer over optical connections
09/11/2014US20140255040 Photonic-crystal slab absorber and high-frequency circuit and electronic components, and transmitter, receiver and proximity wireless communication system
09/11/2014US20140255039 Establishing optical coherence using free-space optical links
09/11/2014US20140255038 Visible light communication via solid state lighting devices
09/11/2014US20140255037 Optical transmission for binary and duobinary modulation formats
09/11/2014US20140255036 Methods and apparatus for using visible light communications for controlling access to an area
09/11/2014US20140255035 Optical signal transmission method, apparatus and system
09/11/2014US20140255034 Method and system for wireless transmission of of analog signals between antenna and baseband processor
09/11/2014US20140255032 Optical network unit
09/11/2014US20140255029 Orthogonal frequency-division multiplexing burst markers
09/11/2014US20140255028 Sub-rate mapping for lowest-order optical data unit
09/11/2014US20140255025 Intelligent Infrared Remote Pairing
09/11/2014US20140255024 Method and device for processing a communication network
09/11/2014US20140255023 Distributed optical fiber sound wave detection device
09/11/2014US20140255022 Optical network switching node in multi-chassis cluster, optical burst synchronization method, and line card chassis
09/11/2014US20140255021 Optical cable testing and management
09/11/2014US20140255020 Method, Apparatus, and System for Disaster Recovery of Optical Communication System
09/11/2014US20140254798 Architecture for reconfigurable quantum key distribution networks based on entangled photons directed by a wavelength selective switch
09/10/2014EP2775806A1 Optical receiver and transceiver using the same
09/10/2014EP2775782A1 Base station and methods
09/10/2014EP2775637A1 Frequency Offset QAM Transmission System
09/10/2014EP2775636A1 Large-capacity fiber optical switching device and optical transmission system
09/10/2014EP2775331A2 Mode coupler, passive optical network system and detection method
09/10/2014EP2774302A1 Passive optical network with asymmetric modulation scheme
09/10/2014EP2774287A2 Communication apparatus and method
09/09/2014US8831441 Optical communication system, optical receiver, optical transponder, wavelength multiplexing optical communication system, wavelength multiplexing receiving device, and wavelength multiplexing optical transponder
09/09/2014US8831440 Method and device for generating optical signals
09/09/2014US8831439 Upsampling optical transmitter
09/09/2014US8831438 Apparatus for transmitting and receiving visible light communication data
09/09/2014US8831437 Method and system for a photonic interposer
09/09/2014US8831436 Method and apparatus for local optimization of an optical transmitter
09/09/2014US8831435 System and method for dual wavelength communications of a clock signal
09/09/2014US8831434 Computer and computer data transmission system
09/09/2014US8831433 Temperature controlled multi-channel transmitter optical subassembly and optical transceiver module including same
09/09/2014US8831432 Two-channel compact small form-factor pluggable module
09/09/2014US8831431 Fast transceiver control interface
09/09/2014US8831430 Optical signal correction apparatus and optical signal correction method
09/09/2014US8831429 Near field combat identification
09/09/2014US8831428 Dynamic cell bonding (DCB) for radio-over-fiber (RoF)-based networks and communication systems and related methods
09/09/2014US8831427 Dynamic data-rate adaptive signal processing method in a wireless infra-red data transfer system
09/09/2014US8831426 OCDM-based all optical multi-level security
09/09/2014US8831424 Channel validation in optical networks using multi-channel impairment evaluation
09/09/2014US8831423 Optical switching architectures for nodes in WDM mesh and ring networks
09/09/2014US8831422 Method for generating a probe pulse and coherent optical time domain reflectometer
09/09/2014US8831081 Digital filter device, digital filtering method and control program for the digital filter device
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