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)
07/2007
07/18/2007EP1378090B1 Data capture technique for high speed signaling
07/18/2007EP1249087B1 Improved data compression apparatus and method therefor
07/18/2007EP1230752A4 Virtual laser operator
07/18/2007EP1214760B1 Optical transmission systems including optical amplifiers and methods of use therein
07/18/2007CN1327676C Eye-diagram mask to examine for optical pulses system
07/18/2007CN1327221C Communication system and split-band amplifying apparatus using a depressed-profile fiber amplifier
07/18/2007CN101002416A Multiservice private network and interface modules for transporting, on such a network, data in different formats
07/18/2007CN101002381A 接收方法以及接收电路 Receiving method and a receiving circuit
07/18/2007CN101001476A Service scheduling system and method
07/18/2007CN101001399A Array waveguide raster large scale optical exchanger and application method
07/18/2007CN101001172A Managing method for route, method for implementing cross-domain end-to-end management
07/18/2007CN101001126A Optical mm wave generating and wavelength reuse method and system in all-duplex communication radio Over-Fiber
07/18/2007CN101001121A Simple structure mm wave demodulation method and system of radio-on-fibre communication
07/18/2007CN101001120A Trunk system of Ethernet passive optical network and using method thereof
07/18/2007CN101001119A Analog two-way transmission optical module
07/18/2007CN101001118A Multiplexer cascade optical-fibre terminal system
07/18/2007CN101001117A Bandwidth dynamic distribution method of congestion type Ethernet passive optical network local terminal equipment
07/18/2007CN101001116A Method for implementing virtual MSP-ring
07/18/2007CN101001115A Scaling device and method of intelligent service performance
07/18/2007CN101001114A Full duplex fibre-optical radio communication system of simple structure
07/18/2007CN101001113A Burst packet channel reserving method and device
07/18/2007CN101001112A Method, device and system for transmitting data signal using optical fibre
07/18/2007CN101001111A Method, device and system for transmitting data signal using optical fibre
07/18/2007CN101001110A Radio laser scanning communication method
07/18/2007CN101001109A Method for repressing affect of fibre-optical light path in fibre-optical sensing system by sonic and vibration
07/18/2007CN101001108A Integrated plate device of multi-service configuration desk system
07/18/2007CN101001107A Structure of Ethernet passive optical network redundancy protection and its implementing method
07/18/2007CN101001106A Structure of Ethern passive light network redundancy protection using optical power detection and its implementing method
07/18/2007CN101001079A Transimpedance amplifier with negative impedance compensation function
07/18/2007CN101000932A Circuit for realizing large negative of APD bias voltage
07/18/2007CN101000411A Method and device for generating millimeter wave by directly regulating laser
07/17/2007US7245837 Optical transmitting device
07/17/2007US7245836 Optical pulse timing detection apparatus, optical pulse timing detection method, optical pulse timing adjustment apparatus, and optical pulse timing adjustment method
07/17/2007US7245835 Digital and programmable control of optical transceiver elements
07/17/2007US7245834 Optical device for optical semiconductor package and fabrication method
07/17/2007US7245833 Photonic channelized RF receiver employing dense wavelength division multiplexing
07/17/2007US7245832 Radio communication apparatus
07/17/2007US7245828 Extinction ratio determination using duty cycle modulation
07/17/2007US7245805 Method and apparatus for producing a multiple optical channel source from a supercontinuum generator for WDM communication
07/17/2007US7245798 Apparatus for redirecting optical signals in free space
07/17/2007US7245722 System and method for distributing key
07/17/2007US7245638 Methods and systems for DSP-based receivers
07/17/2007US7245422 Raman optical amplifier, optical transmission system using the same, and raman optical amplification method
07/17/2007US7245421 Wavelength-division multiplexing optical communication system
07/17/2007US7245046 Internal power re-routing by reverse powering to overcome fault scenarios in submarine cable systems
07/17/2007US7244944 Triggering system and method
07/17/2007US7244922 Semiconductor device and electronic apparatus
07/17/2007US7243837 Media converter RFID security tag
07/17/2007CA2414346C Network, switching apparatus and otn frame processing method for use therein; its circuit and integrated circuit
07/17/2007CA2389974C Multi-wavelength optical modulation circuit and wavelength-division multiplexed optical signal transmitter
07/12/2007WO2007079378A1 Optical receiver comprising a photodiode digitizer with fast gain switching
07/12/2007WO2007078864A1 Mechanism to increase an optical link distance
07/12/2007WO2007078805A1 Bi-directional parallel optical link
07/12/2007WO2007078685A2 Optical transmitter with enhanced sbs threshold power capability
07/12/2007WO2007077451A1 Communications device
07/12/2007WO2007076767A1 Method and device for channel-adapted signal transmission in optical networks
07/12/2007WO2007076711A1 A network interconnection system and method with separated control and bearing
07/12/2007WO2007076700A1 A multiple service separated fiber synchronization digital transmission network transmission device and transmission method
07/12/2007WO2007076682A1 A broadband user access device and a method for broadband user access processing
07/12/2007WO2007041799A3 Methods and apparatus for optical transmission of digital signals
07/12/2007WO2007014243A3 Signal presence detector
07/12/2007WO2006137828A3 Bias-control for optical mach-zehnder modulators with voltage-induced optical absorption
07/12/2007US20070162946 Round trip delay adjustment in multipoint-to-point communication using orthgonal frequency division multiplexing
07/12/2007US20070162943 Multipoint-to-point communication using orthogonal frequency division multiplexing
07/12/2007US20070160374 Optical transmitter and method for controlling optical transmitter
07/12/2007US20070160373 Distributed illumination and sensing system
07/12/2007US20070160371 Optical receiver circuit applicable to multiple transmission rates
07/12/2007US20070159682 Optically controlled optical-path-switching-type data distribution apparatus and distribution method
07/12/2007DE102005063102A1 Verfahren und Einrichtung zur Überwachung einer optischen Übertragungsstrecke, insbesondere einer optischen Übertragungsstrecke zu einem Endteilnehmer eines Übertragungsnetzes Method and apparatus for monitoring an optical transmission line, in particular an optical transmission line to an end node of a transmission network
07/11/2007EP1806878A1 Packet communication network and packet communication method
07/11/2007EP1806858A1 System for free space data transmission between comunication terminals
07/11/2007EP1805915A1 A preamplifier circuit having a variable feedback resistance
07/11/2007EP1805914A1 Method for monitoring an optical transmission link by means of an optical amplifier, and corresponding optical amplifier
07/11/2007EP1805913A2 Wireless signal distribution system and method
07/11/2007EP1805912A2 Transceiver based loop back initiation
07/11/2007EP1284058B1 Optical transmission systems and methods including optical protection
07/11/2007EP1260044B1 Method and apparatus for polarization multiplexing and demultiplexing optical tributary signals
07/11/2007CN1998179A QKD cascaded network with loop-back capability
07/11/2007CN1998166A Optimisation of the number and location of regenerative or non-regenerative repeaters in wavelength division multiplex optical communication links
07/11/2007CN1998165A Flat-topped chirp induced by optical filter edge
07/11/2007CN1997924A Coolerless and floating wavelength grid photonic integrated circuits (PICs) for WDM transmission networks
07/11/2007CN1997315A Device for contactlessly transmitting signal and measured data
07/11/2007CN1997312A Means and method for detection of blood leakage from wounds
07/11/2007CN1997238A TDMA passive optical network OLT system for broadcast service
07/11/2007CN1996827A An intelligent control method for the determination point of the optical receiver
07/11/2007CN1996800A Control device for the optical amplifier
07/11/2007CN1996799A Optical packet access method based on the optical and electrical mixed cache structure
07/11/2007CN1996797A Optical interconnected network structure consisting of the full sensing parts
07/11/2007CN1996796A Device and method of the digital media device for time update via the infrared
07/11/2007CN1996076A Compensation method for polarization mode dispersion by using high birefringence uniform fiber grating and structure thereof
07/11/2007CN1996072A Sloping optical fiber type reversible optical assembly
07/11/2007CN1995936A Automated test control system and method for wavelength tunable laser
07/11/2007CN1326340C Passive optical network dynamic bandwide distributing apparatus and method
07/11/2007CN1326339C Dispersion map for slope compensating fibers
07/11/2007CN1326338C Optical transmission system and method for optical communication
07/11/2007CN1326336C Optical communication disc containing power supply control function and system with the disc
07/11/2007CN1325951C Optical transmission device
07/11/2007CN1325950C Fixing structure of two-way light transceiving modular
07/10/2007US7242871 High dynamic range optical receiver
07/10/2007US7242870 Wavelength division multiplexing system