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)
04/2008
04/03/2008WO2007021945A3 Quantum repeater
04/03/2008US20080082598 Systems and method for orthogonal frequency divisional multiplexing
04/03/2008US20080080872 Optical transmitter
04/03/2008US20080080871 Slice level control
04/03/2008US20080080870 System for extracting a clock signal from optical signal including plural clock frequencies and a method therefor
04/03/2008US20080080869 Optical Signal Processing Device
04/03/2008US20080080868 Fiber aided wireless network architecture
04/03/2008US20080080867 WDM optical transimission system and optical amplifying apparatus
04/03/2008US20080080865 Optical transmission apparatus and method of controlling the same
04/03/2008US20080080859 OTDM-DPSK signal generator capable of detecting an optical carrier phase difference between optical pulses
04/03/2008US20080080858 Coordination of control operations in an optical network
04/03/2008US20080080857 Osnr measuring apparatus and osnr measuring method
04/03/2008US20080080856 Device for monitoring the quality of an optical signal by filtering its beat component
04/03/2008US20080080855 Optical pulse generator and optical pulse tester
04/03/2008US20080080854 Monitoring Differential Phase-Shifted Keying Demodulation
04/03/2008US20080080805 Compensating method and compensator of first-order polarization mode dispersion, and optical transmission system using same
04/03/2008US20080080577 Dual laser driver architecture in an optical transceiver
04/03/2008US20080080367 Node and method of setting backup path
04/03/2008DE102006045876A1 Single-mode, directly modulateable semiconductor multi-section laser`s structural dimension and operating point determining method, involves examining large signal modulation characteristics for selected parameter set
04/03/2008DE10146001B4 Schaltungsanordnung und Verfahren zur Sicherheitsabschaltung eines optischen Verstärkers Circuit arrangement and method for safety shutdown of an optical amplifier
04/03/2008CA2664573A1 A method and apparatus for using distributed antennas
04/02/2008EP1906564A1 Optical transmitter
04/02/2008EP1906563A1 A method, communication system and central communication unit for detecting a faulty peripheral communication unit
04/02/2008EP1905176A1 Optical network monitor pcb
04/02/2008EP1905175A2 Remote control systems
04/02/2008EP1905139A1 Multistage fibre amplifier and method for adapting a pump power of a multistage fibre amplifier
04/02/2008EP1668390A4 An airborne free-space-optical system utilizing three-tier, ultrafine steering
04/02/2008EP1665481A4 All-optical wavelength converter based on sagnac interferometer with an soa at asymmetric position
04/02/2008EP1602183A4 Ultrawide band radio system and pon
04/02/2008CN201044452Y 1.25Gbps polymer optical receiving-transmitting module
04/02/2008CN201044451Y Optical communication assembly
04/02/2008CN201044450Y Free space photo-communication multi-wave carrier modulation device
04/02/2008CN201044449Y Optical transmitter-receiver and network management system of optical transmitter-receiver
04/02/2008CN101156336A 电光耦合装置 Electro-optical coupling device
04/02/2008CN101156159A Digital predistortion system and method for high efficiency trasmitters
04/02/2008CN101155433A Service protection method and routing device
04/02/2008CN101155162A Otdm-dpsk signal generator capable of detecting an optical carrier phase difference between optical pulses
04/02/2008CN101155121A Switching method and node structure supporting burst packet and IP grouping
04/02/2008CN101155070A Business management method for intelligent optical network
04/02/2008CN101155016A Method for time slot partition and overhead processing of optical payload unit in light transmission network
04/02/2008CN101154999A Connecting structure of optical communication multi-service access platform
04/02/2008CN101154998A Bus system
04/02/2008CN101154997A Data transmission system and method
04/02/2008CN101154996A Optical network unit and its access method, optical line terminal and passive optical network system
04/02/2008CN101154995A Method and device for monitoring network quality
04/02/2008CN101154994A 光发送器 Optical transmitter
04/02/2008CN100379189C Circuit in mixed rate optical communication network
04/02/2008CN100379187C Method for detecting connection mode of devices with multiple frames
04/02/2008CN100379186C Apparatus and method for managing dispersion within an optical add/drop module
04/02/2008CN100379185C Method for generating and improving optical transmission line and correlative compensation module
04/02/2008CN100379184C Data transmission apparatus, photoelectric conversion circuit, and test apparatus
04/02/2008CN100378481C Fiber collimating lenses and method
04/02/2008CN100378479C Strain tuning optical fiber grating dispersion dynamic compensation, monitoring device and method thereof
04/02/2008CN100378478C Mode selector with polishing function for multi-mode optical fiber
04/02/2008CA2601491A1 Optic fiber distribution hub
04/01/2008US7352973 Adding wavelengths to an optical communication network
04/01/2008US7352972 Method and apparatus for the zonal transmission of data using building lighting fixtures
04/01/2008US7352971 Broadband control of polarization mode dispersion
04/01/2008US7352970 Dispersion management system for soliton optical transmission system
04/01/2008US7352969 Fiber optic communication assembly
04/01/2008US7352968 Chirped managed, wavelength multiplexed, directly modulated sources using an arrayed waveguide grating (AWG) as multi-wavelength discriminator
04/01/2008US7352966 Method and apparatus for capacity-efficient restoration in an optical communication system
04/01/2008US7352824 Multilevel pulse position modulation for efficient fiber optic communication
04/01/2008US7352779 System for multi-frame alignment
04/01/2008US7352690 Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system
04/01/2008US7352301 Method for transmitting a data flow over an optical bus, corresponding system and computer program product
04/01/2008US7350986 Microcode-driven programmable receive power levels in an optical transceiver
04/01/2008US7350979 Optical transceiver having an optical receptacle optionally fixed to a frame
04/01/2008US7350307 System and method for checking mechanical pieces, with wireless signal transmission
04/01/2008CA2384869C Optical fiber ring communication system
03/2008
03/27/2008WO2008036716A2 Opto-electrical transmitting device
03/27/2008WO2008036567A2 System and method for imaging objects through turbid media
03/27/2008WO2008036356A1 Reconstruction and restoration of an optical signal field
03/27/2008WO2008036313A1 Interferometric operation of electroabsorption modulators
03/27/2008WO2008035414A1 Communication apparatus and signal transmitting method
03/27/2008WO2008034927A1 Optical remote node device and support equipment for constructing and extending fibre-optic access networks
03/27/2008WO2008034310A1 A device and method for realizing the switching of the mapping mode
03/27/2008WO2008005723A3 Optical receiver with dual photodetector for common mode noise suppression
03/27/2008WO2007132268A3 Variable gain optical amplifiers
03/27/2008WO2007103916A3 Transmission formats for high bit-rate systems
03/27/2008US20080075472 Reconstruction and restoration of an optical signal field
03/27/2008US20080075471 Low-power digital demodulator
03/27/2008US20080075470 Optical Transmission Device
03/27/2008US20080075469 Optical transmitter with sbs suppression
03/27/2008US20080075468 Optical transmission device and redundant switch method for the optical transmission device
03/27/2008US20080075467 Optical tracking system for airborne objects
03/27/2008US20080075466 Isolating radio frequency components of a wireless device
03/27/2008US20080075465 Optical-electrical transmitting device
03/27/2008US20080075463 WDM optical transmission system and WDM optical transmission method
03/27/2008US20080075462 Code division multiplexing optical access network system
03/27/2008US20080075459 Method and optical amplifier for laser safety protection and method for loading identification signal
03/27/2008US20080075457 Methods and systems for optical performance monitoring
03/27/2008US20080074736 Semiconductor Raman ring amplifier
03/27/2008US20080074735 Power amplifier
03/27/2008US20080074732 Optical communication systems including optical amplifiers an amplification methods
03/27/2008US20080073949 Remote Control Embedded in Furniture
03/27/2008DE102006051299A1 Ferrule für eine Evaneszenzfeldsensorleitung Ferrule for a Evaneszenzfeldsensorleitung
03/27/2008DE102006045802A1 Demarkationsgerät Demarcation
03/27/2008DE102006045271A1 Optical sending and receiving module for transmission of information by glass fibers, has optoelectronic element, prefabricated plastic housing and electrical contacts, which are integrated into base part
03/27/2008DE102006042806A1 Opto-elektronische Vorrichtung Opto-electronic device