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)
06/2010
06/10/2010US20100142975 Hybrid balanced coding scheme
06/10/2010US20100142974 Supervisory controlling method and supervisory controlling system of optical repeater
06/10/2010US20100142973 Semiconductor laser with low relative intensity noise of individual longitudinal modes and optical transmission system incorporating the laser
06/10/2010US20100142972 Optical receiver having an automatic fiber optic signal adjustment circuit
06/10/2010US20100142971 Apparatus for synchronizing digital signals of coherent optical receiver
06/10/2010US20100142970 Direct Detection Differential Polarization-Phase-Shift Keying for High Spectral Efficiency Optical Communication
06/10/2010US20100142969 Multimode Optical System
06/10/2010US20100142968 Product, method and equipment for remote communication using chromogenic materials
06/10/2010US20100142967 Reference Clock Rate Detection for Variable Rate Transceiver Modules
06/10/2010US20100142966 Method and apparatus for enhanced free space optical communication in an aviation environment
06/10/2010US20100142965 Data transmission system and method for transmitting data in a data transmission system
06/10/2010US20100142964 Optical transmission apparatus with stable optical signal output
06/10/2010US20100142963 Methods and Devices for detection of a first signal superimposed on a second signal
06/10/2010US20100142962 Multiwavelength transmitter
06/10/2010US20100142959 Optical waveform shaping method and optical waveform shaping apparatus
06/10/2010US20100142958 Optical receiver for the wdm system and method to control the same
06/10/2010US20100142957 Communication network management system, wavelength-division multiplex apparatus, communication management apparatus, communication network management method and communication network management program
06/10/2010US20100142953 Wavelength Division Multiplexing Transmission system and Remote Apparatus and Station Apparatus Used Therein
06/10/2010US20100142951 Reception of signals transmitted over a dispersive optical channel
06/10/2010US20100142950 High bit rate bidirectional passive optical network, associated optical exchange and line termination device
06/10/2010US20100142946 Chromatic dispersion monitor and method, chromatic dispersion compensator
06/10/2010US20100142945 Method for measuring nonlinear optical properties
06/10/2010US20100142944 Method, system and device for passive optical network data transmission
06/10/2010US20100142943 Dynamic performance monitoring systems and methods for optical networks
06/10/2010US20100142942 Apparatus for Transferring Optical Data in Optical Switching System Using Time Synchronization
06/10/2010US20100142941 System and method for obtaining optical signal information
06/10/2010US20100142940 Optical communication system, optical receiving terminal, and optical signal fault detection method
06/10/2010US20100142722 Conversation assistant for noisy environments
06/10/2010US20100142033 Ionizing Radiation-Resistant Optical Fiber Amplifier
06/10/2010US20100142028 Magneto-Optic Optical Modulator
06/10/2010DE19861429B4 Auf Multimodefasern basierende Lasersysteme Based on multimode fiber laser systems
06/10/2010CA2744586A1 Cycle slip location and correction
06/09/2010EP2194670A1 Localisation method for bidirectional interruptions of communication links
06/09/2010CN1897506B Optical network equipment and optical network
06/09/2010CN1878036B Method for convergence of control-plane route in intelligent optical network
06/09/2010CN1870469B Optical split insertion duplexer based on acousto-optic tunable wave filter
06/09/2010CN1787409B Passive optical network system and method of transmitting broadcasting signal in same
06/09/2010CN1734312B Optical communications system based on optical polarization multiplexing
06/09/2010CN1659818B Method and device for controlling signal transmission power of optical signal in optical communication networks
06/09/2010CN101729946A Multi-user access unit
06/09/2010CN101729945A Station device and optical communication system using same
06/09/2010CN101729938A Method, device and system for eliminating interference in passive optical network system
06/09/2010CN101729936A Connection restoration method and routing domain of automatic exchange optical network
06/09/2010CN101729932A Multicast admission control method of optical fiber access network, apparatus and system
06/09/2010CN101729890A Optical fiber self-healing ring network video encoder
06/09/2010CN101729347A Method, system and device for protecting circuit loop
06/09/2010CN101729188A Method and device for sending and receiving mapping cost
06/09/2010CN101729187A Optical signal transmission processing method, sending device and system
06/09/2010CN101729186A Device and method for controlling transient effect in erbium-doped fiber amplifier (EDFA)
06/09/2010CN101729155A Method and device for calculating network availability of optical network
06/09/2010CN101729154A Method, device and system for realizing LR-PON
06/09/2010CN101729153A Receiving method, device and system of optical signal
06/09/2010CN101729152A Device and method for realizing multi-channel relay
06/09/2010CN101729151A Optical transmission method, device and system
06/09/2010CN101729150A Transmission treatment method of optical fiber repeater and variable-channel transmission optical fiber repeater
06/09/2010CN101729149A Method, device and system for photolyzing, polarizing and multiplexing optical carrier
06/09/2010CN101729148A Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them
06/09/2010CN101729147A Method and receiver for realizing phase synchronization of coherent light
06/09/2010CN101729146A Self-excitation multi-wavelength dynamically dispatched optical network unit in passive optical network
06/09/2010CN101729145A DFB fiber laser type fiber-optic microphone and distributive array device thereof
06/09/2010CN101729144A Method and device for realizing open-circuit control of optical fibers on multi-level link
06/09/2010CN101729143A Transmission system and transmission method thereof
06/09/2010CN101729142A Method for automatically controlling received power in FSO system
06/09/2010CN101729141A Method and device for monitoring submarine cable system
06/09/2010CN101726872A Switchable low dispersion comb filter and method
06/09/2010CN101726862A 2*4 grating coupled 90-degree space optical hybrid
06/09/2010CN101726810A High-speed low power consumption long-distance SFPplus optical module for transmission
06/09/2010CN101726807A Pluggable optical transceiver
06/09/2010CN101393949B LED encapsulation construction and use thereof
06/09/2010CN101363945B Alloptical fiber non-dispersive adjustable grating attenuator with filtering function
06/09/2010CN101308236B Focusing auxiliary equipment for wireless light communication equipment and its focusing method
06/09/2010CN101241241B Raman optical amplification atom filtering method and apparatus
06/09/2010CN101141192B Method and system for storing and managing digital quantity performance data
06/09/2010CN101102160B Threshold voltage adjusting unit, adjusting method, limit rage amplifier and optical receiver
06/08/2010US7734196 Optical receiver device
06/08/2010US7734195 Method and arrangement for forming reception pulses in an infrared receiver
06/08/2010US7734194 Optical transmission system, optical transmitter for optical transmission system, and optical receiver for optical transmission system
06/08/2010US7734193 Level detector for optical receivers
06/08/2010US7734191 Forward error correction (FEC) enabled photonic integrated circuit (PICs) chips with multiple signal channels
06/08/2010US7734190 System and method for generating optical return-to-zero signals with differential bi-phase shift
06/08/2010US7734189 Parallel channel optical communication using modulator array and shared laser
06/08/2010US7734188 Deskew device and deskew method
06/08/2010US7734187 Dispersion management in optical networks using a differential phase shift keying modulation format
06/08/2010US7734186 Signal transmission in an optical system
06/08/2010US7734185 Optical transmitter and optical transmission system
06/08/2010US7734184 Optical transceiver module having an active linear optoelectronic device
06/08/2010US7734182 Illuminator including optical transmission mechanism
06/08/2010US7734181 Devices, systems and methods for ad hoc wireless communication
06/08/2010US7734180 Single fibre bidirectional optical transmission system and single fibre bidirectional optical amplifier
06/08/2010US7734179 Fiber/wired communication system
06/08/2010US7734178 Passive optical network system, optical line terminal, and optical network unit
06/08/2010US7734177 System, method and terminal processing apparatus for optical fiber transmission
06/08/2010US7734174 System and method for a channel guard in a reconfigurable optical add-drop multiplexer
06/08/2010US7734173 Error detection and recovery of an optical network element
06/08/2010US7734172 Router having dual propagation paths for packets
06/08/2010US7733998 System and method for programmably adjusting gain and frequency response in a 10-gigabit Ethernet/fibre channel system
06/08/2010US7733886 Burst data reception method and apparatus in EPON
06/08/2010US7733870 Bandwidth-on-demand systems and methods
06/08/2010US7733562 Optical equalization of multi-level symbol constellations
06/08/2010US7733561 Suppression of stimulated Brillouin scattering (SBS) in high power fiber amplifiers