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)
10/2014
10/21/2014US8867652 Transmitter for multi-format data
10/21/2014US8867124 Relay station and method for adjusting output optical signals of the relay station
10/21/2014US8866113 Electrical isolator circuit
10/21/2014US8866058 Optical transceiver and method of operation thereof
10/16/2014US20140308048 Methods and arrangements for frequency shift communications by undersampling
10/16/2014US20140308046 Compensation for Optical Multi-Path Interference
10/16/2014US20140308045 Pulsed Light Communication Key
10/16/2014US20140308044 Power management for remote antenna units in distributed antenna systems
10/16/2014US20140308043 Local power management for remote antenna units in distributed antenna systems
10/16/2014US20140308042 Underwater communication device using visible light and underwater communication method using the same
10/16/2014US20140308041 Optical Network Element and Optical Transmission System
10/16/2014US20140308040 Optical path computation based on a reachability matrix
10/16/2014US20140308039 Equalizing a signal modulated using a 5qam modulation format
10/16/2014US20140308038 Method, Device, and Nested System for Allocating Uplink and Downlink Bandwidth
10/16/2014US20140308035 Port monitoring device and port monitoring method
10/16/2014US20140308034 Optical signal quality monitoring method and apparatus using a software-based synchronized amplitude histogram
10/16/2014US20140308033 Optical line monitoring system and method
10/16/2014US20140308032 Diagnostic Port for Inter-Switch Link Testing in Electrical, Optical and Remote Loopback Modes
10/14/2014USRE45193 Method and apparatus for extracting optical clock signal
10/14/2014US8861984 Compact polarization-insensitive optical receiver
10/14/2014US8861983 Analog radio frequency transport over optical media using continuous optical phase modulation and noncoherent detection
10/14/2014US8861982 Interferometer, demodulator, and optical communication module
10/14/2014US8861981 Optical signal compensation device
10/14/2014US8861980 Loop filter
10/14/2014US8861979 Coherent receiver apparatus and chromatic dispersion compensation method
10/14/2014US8861978 Method and apparatus providing wave division multiplexing optical communication system with active carrier hopping
10/14/2014US8861976 Transmit and receive MIMO protocols for light array communications
10/14/2014US8861975 Interconnect for a data storage system
10/14/2014US8861974 Optical signal transmitting apparatus
10/14/2014US8861973 Railway monitoring system
10/14/2014US8861972 Combination network fiber connector and light pipe
10/14/2014US8861971 Phased antenna array with electro-optic readout circuit with multiplexing and related methods
10/14/2014US8861970 Cross-talk reduction in a bidirectional optoelectronic device
10/14/2014US8861969 All-optical AM-to-FM up-conversion for radio-over-fiber
10/14/2014US8861968 Reconfigurable optical add/drop multiplexing device for enabling totally inresistant colorless
10/14/2014US8861967 Reconfigurable optical add/drop multiplexer and reconfigurable optical add/drop multiplexing method
10/14/2014US8861965 Optical transmission apparatus
10/14/2014US8861963 Shared high-intensity broadband light source for a wavelength-division multiple access passive optical network
10/14/2014US8861962 Method for enabling AC coupling of high-speed burst data signals transmitted in optical networks
10/14/2014US8861960 Systems and methods for the compensation of nonlinear cross polarization and cross phase modulation in dual polarization coherent channels
10/14/2014US8861959 Receiving apparatus, sending apparatus, system and method for optical polarization division multiplexing
10/14/2014US8861958 Broadband optical network apparatus and method
10/14/2014US8861954 Burst-mode receiver equipped with optical amplifier, method for controlling optical amplifier, and system
10/14/2014US8861953 Method and apparatus for testing transmission lines normally propagating optical signals
10/14/2014US8861952 Redundancy and interoperability in multi-channel optoelectronic devices
10/14/2014US8861902 Planar waveguide circuit and optical receiver
10/14/2014US8861735 Architecture for reconfigurable quantum key distribution networks based on entangled photons directed by a wavelength selective switch
10/14/2014US8861647 Feed-forward carrier phase recovery for optical communications
10/14/2014US8861636 Coherent detection using coherent decoding and interleaving
10/14/2014US8861567 Method and apparatus for analyzing the spectrum of radio-frequency signals using a fiber optic recirculation loop
10/14/2014US8861375 Self-healing fibre channel link
10/14/2014US8861073 Optical fiber delivery system for delivering optical short pulses and optical fiber delivery method
10/14/2014US8859946 Light detecting device including a peaking circuit
10/09/2014WO2014165134A1 Optical fiber system having a remote power module
10/09/2014WO2014163741A1 Laser relay for free space optical communications
10/09/2014WO2014162649A1 Digital optical transmitter, optical communication system using same, and digital optical transmission method
10/09/2014WO2014161361A1 Fault locating method, system and device for remote device and computer storage medium
10/09/2014US20140301743 Light receiving device and light receiving method
10/09/2014US20140301742 Method for Improving Signal Quality of a Digital Signal Being Transmitted Through a Non-Linear Device and Apparatus Using the Same
10/09/2014US20140301741 Fast optical receiver
10/09/2014US20140301740 Dynamic memory allocation in an optical transceiver
10/09/2014US20140301739 Method and apparatus for optical wireless architecture
10/09/2014US20140301738 Controlling brightness of light sources used for data transmission
10/09/2014US20140301737 Methods and Devices for Transmitting/Obtaining Information by Visible Light Signal
10/09/2014US20140301736 Directly modulated multi-level optical signal generator and method thereof
10/09/2014US20140301734 Optimizing Optical Systems Using Code Division Multiple Access and/or Orthogonal Frequency-Division Multiplexing
10/09/2014US20140301733 Elastic client interface for tunable optical transponder
10/09/2014DE102014206668A1 Verfahren zum Aufbau einer bidirektionalen optischen Kommunikation zwischen einem Satelliten und einer Bodenstation A method for establishing a bi-directional optical communication between a satellite and a ground station
10/09/2014DE102013206064A1 Verfahren zum Aufbau einer bidirektionalen optischen Kommunikation zwischen einem Satelliten und einer Bodenstation A method for establishing a bi-directional optical communication between a satellite and a ground station
10/08/2014EP2787684A1 Method and device for protecting passive optical network (pon)
10/08/2014EP2787660A1 Method for improving signal quality of a digital signal being transmitted through a non-linear device and apparatus using the same
10/08/2014EP2787659A1 Apparatus for suppressing noise in injection-locked light source and wdm-pon system provided with same
10/08/2014EP2786510A1 Closed loop optical modulation amplitude control
10/07/2014US8855504 Optical transmission method and optical receiver
10/07/2014US8855503 Optical receiver and optical transmission system
10/07/2014US8855502 Demodulator and optical transceiver
10/07/2014US8855501 Method for carrier frequency recovery and optical intradyne coherent receiver
10/07/2014US8855500 Channel power control in an optical link
10/07/2014US8855499 Power recapture in an optical communications system
10/07/2014US8855498 Skew suppression method and optical transmission system
10/07/2014US8855497 Optical transmission system
10/07/2014US8855496 Optical clock rate negotiation for supporting asymmetric clock rates for visible light communication
10/07/2014US8855495 Time-domain based composite modulation for spectrally efficient optical networks
10/07/2014US8855494 Multi-band reconfigurable optical add-drop multiplexer (ROADM) system
10/07/2014US8855493 ONU emulator deployment for mixed types of ONU traffic
10/07/2014US8855488 Optical transmission system
10/07/2014US8855486 Remotely controlled fiber testing method
10/07/2014US8855484 Method for controlling optical power and extinction ratio over entire temperature range
10/07/2014US8855483 Restoration scheme for an optical network and method of using such a scheme
10/07/2014US8855448 Advanced modulation format using two-state modulators
10/07/2014US8854963 Control and coordination of ODUflex bandwidth resizing operation
10/07/2014US8854955 Mesh restoration and bandwidth allocation systems and methods for shared risk connection groups
10/07/2014US8854726 Method for controlling signal gain of a Raman amplifier
10/07/2014US8854620 Curved grating spectrometer and wavelength multiplexer or demultiplexer with very high wavelength resolution
10/07/2014US8854609 Integrated optical time domain reflectometer
10/02/2014WO2014160708A1 Sensor nodes with multicast transmissions in lighting sensory network
10/02/2014WO2014160452A1 Optical source monitoring system
10/02/2014WO2014158949A1 Method and apparatus of decoding low-rate visible light communication signals
10/02/2014WO2014157819A1 Duplexing optical transceiver having line switching detour function
10/02/2014WO2014156336A1 Light reception circuit
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