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)
02/2011
02/01/2011US7881618 System and method for m-ary phase-shifting keying modulation
02/01/2011US7881617 Buffering schemes for optical packet processing
02/01/2011US7881616 Transceiver based loop back initiation
02/01/2011US7881615 Dynamic digital diagnostic alerts
02/01/2011US7881614 Optically connecting computer components
02/01/2011US7881613 Wavelength tracking apparatus and method in WDM-PON system
02/01/2011US7881612 Optical autodiscovery for automated logical and physical connectivity check between optical modules
02/01/2011US7881611 Optical fiber transmission system with noise loading
02/01/2011US7881610 Method of transmitting an optical signal in an optical transmission system and optical transmission system for implementing such a method
02/01/2011US7881608 Methods and apparatuses for measuring jitter in a transceiver module
02/01/2011US7881607 Methods and apparatus for identifying a passive optical network failure
02/01/2011US7881579 Optical transmission system and dispersion-compensating optical fiber
02/01/2011US7881406 Method, apparatus and system for high-speed transmission on fiber optic channel
02/01/2011US7881181 Systems and method for orthogonal frequency divisional multiplexing
02/01/2011US7881180 Systems and method for orthogonal frequency divisional multiplexing
02/01/2011US7880960 Optical amplifier and abnormality detection method for the same
02/01/2011US7880129 Light receiving circuit, light receiving method, and storage medium
02/01/2011CA2549172C Very high power pulsed fiber laser
01/2011
01/27/2011WO2011011461A1 Tailored pulse burst
01/27/2011WO2011011313A1 Location tracking using fiber optic array cables and related systems and methods
01/27/2011WO2011010827A2 Optical transmitting apparatus and method, and optical receiving device and method
01/27/2011WO2011010759A1 Optical communication system for supporting remote operation management
01/27/2011WO2011010469A1 Optical 90-degree hybrid circuit
01/27/2011WO2011010259A2 Clock recovery for optical transmission systems
01/27/2011WO2011009368A1 Method, apparatus and system for transmitting information in passive optical network
01/27/2011WO2011009341A1 Underwater branching unit of optical add/drop multiplexer, corresponding optical transmission method and system thereof
01/27/2011WO2010032214A3 Communication network
01/27/2011US20110023081 Remote control accessory for a wireless communication system
01/27/2011US20110020013 Demodulation of an optical carrier
01/27/2011US20110020012 Optical signal receiving apparatus
01/27/2011US20110020011 Amplifier, Optical Receiver Circuit, Optical Module and Data Exchange System
01/27/2011US20110020010 Spectral tilt compensation
01/27/2011US20110020009 Two-phase Optical Communication Methods And Optical Bus Systems For Implementing The Same
01/27/2011US20110020008 Photonic bandgap fibers
01/27/2011US20110020007 Inter-transceiver module communication for optimization of link between transceivers
01/27/2011US20110020006 Self configurable optical link
01/27/2011US20110020005 Externally modulated laser optical transmission system with feed forward noise cancellation
01/27/2011US20110020003 Generating A 400-Gbit/s Single-Channel Optical Signal
01/27/2011US20110020002 Optical line terminal, method for operating optical reception interface, and method for processing continuous mode signal of optical line terminal
01/27/2011US20110020001 Time division multiple access over wavelength division multiplexed passive optical network
01/27/2011US20110020000 Communication apparatus at subscriber home
01/27/2011US20110019999 Location Tracking Using Fiber Optic Array Cables and Related Systems and Methods
01/27/2011US20110019998 Small form factor pluggable (sfp) optical transceiver module and method
01/27/2011US20110019997 System for intercepting signals to be transmitted over a fiber optic network and associated method
01/27/2011US20110019996 Methods and apparatus for optical networks
01/27/2011US20110019995 Optical transmission receiver and method for the same
01/27/2011US20110019994 High Bandwidth Demodulator System And Method
01/27/2011US20110019554 Network design device and network design method
01/27/2011US20110019268 Raman amplifier and raman amplifier adjustment method
01/27/2011US20110018911 Image display device and image display system
01/27/2011US20110017904 Transimpedance amplifier circuit for a photodetector
01/26/2011EP2278763A2 Apparatus and method of optical demodulation
01/26/2011EP2278762A2 Apparatus and method for optical modulation
01/26/2011EP2278734A1 Phase modulation apparatus and phase modulation method
01/26/2011EP2277272A1 Fiber network monitoring
01/26/2011CN201726412U NGB network terminal integrated access equipment
01/26/2011CN201726405U Multi-service optical transmitter and receiver
01/26/2011CN201726404U KVM optical transmitter and receiver.
01/26/2011CN201726403U Transmission line condition monitoring data transmission system framework
01/26/2011CN201726402U Optical fiber ranger using differential circuit
01/26/2011CN201726401U Device for testing signals on optical transmission line in passive optical network
01/26/2011CN201726400U Photoelectric receiving device of low pressure side of high-voltage DC transmission converter valve
01/26/2011CN201726399U Infrared communication device for vehicle
01/26/2011CN201726397U Radio-frequency signal relay forwarding system
01/26/2011CN201726387U Pulse signal encoder of high-voltage frequency converter
01/26/2011CN201726360U PA power amplification module of digital optical fiber pull-far system
01/26/2011CN201725455U Optical fibre link testing device
01/26/2011CN1592181B Transmitting timing controlling system and node apparatus
01/26/2011CN101960808A Method for non-flutter transmission of digital data in a free-space optical transmission system
01/26/2011CN101960744A System and method for dual speed passive optical networks
01/26/2011CN101960743A Tunable optical discriminator
01/26/2011CN101959326A Digital optic-fiber repeater
01/26/2011CN101959092A WSON (Wavelength Switch Optical Node) route acquisition method and device
01/26/2011CN101959090A Method and device for separating ASON (Automatically Switch Optical Network) service routes
01/26/2011CN101959089A Method for managing network element data in centralized mode and network element equipment
01/26/2011CN101959084A Gigabit-capable passive optical network (GPON) timing method and system
01/26/2011CN101959083A Data processing method and equipment
01/26/2011CN101958871A Adaptive free space optical communication (FSO)-orthogonal frequency division multiplexing (OFDM) transmission system and transmission method
01/26/2011CN101958863A 多值光发送器 Multilevel optical transmitter
01/26/2011CN101958755A SFP (Small Form-factor Pluggable) miniaturized photoelectric receiving-transmitting module
01/26/2011CN101958754A Chromatic dispersion calibrator
01/26/2011CN101958753A Demultiplexing receiver for realizing flattop steep edge by adopting electric control method
01/26/2011CN101958752A Method for transmitting uplink burst data in passive optical network system
01/26/2011CN101958751A Protection method and device of optical network
01/26/2011CN101958750A Optical parametric amplifier-based all-optical signal quality monitor
01/26/2011CN101958749A On-line optical cable monitoring method
01/26/2011CN101958748A Active optical cable apparatus and method for detecting optical fiber breakage
01/26/2011CN101957476A Underwater optical splitter of optical add drop multiplexer and corresponding optical transmission method and system thereof
01/26/2011CN101956566A Dynamic disaster monitoring substation of coal rock
01/26/2011CN101523252B Apparatus for forming a WDM signal having orthogonally polarized optical channels
01/26/2011CN101399715B Network test platform and test method for optical fiber channel
01/26/2011CN101358846B Method and apparatus for determining the position of a moving object, by using visible light communication
01/26/2011CN101340733B Method for automatically generating optical service in communication line resource management system
01/26/2011CN101326692B 光发送电路 Optical transmission circuit
01/25/2011US7877588 System for transmitting control commands to electronic devices
01/25/2011US7877026 Radio frequency transmitter with on-chip photodiode array
01/25/2011US7877025 Phase monitor apparatus, phase control apparatus and methods thereof for optical DQPSK receiver
01/25/2011US7877023 Light detector detecting optical signal loss in an optical communication system
01/25/2011US7877022 Circuits and methods of thermal gain compensation
01/25/2011US7877021 Electrically programmable pulse generator, in particular a pulse generator of very high resolution phase and intensity profiles