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)
08/2006
08/08/2006US7088922 Wavelength division multiplexing optical communication system
08/08/2006US7088920 Wavelength and path assignment in wavelength division multiplexed ring networks
08/08/2006US7088886 Self-adapting limiter
08/08/2006US7088885 System for modulating optical signals
08/08/2006US7088876 Frequency comb analysis
08/08/2006US7088824 Single-photon-emission apparatus
08/08/2006US7088518 Bidirectional optical device
08/08/2006US7088501 Optical amplifier
08/08/2006US7088500 Optical communication systems including optical amplifiers and amplification methods
08/08/2006US7088499 Optical communication system and component control architectures and methods
08/08/2006US7088498 Optical amplification of CWDM channels using optical amplifiers having fluoride-based optical fiber
08/08/2006US7088436 Integrated optical time domain reflectometer and optical supervisory network
08/08/2006CA2281774C Switching network for a broadband communication system
08/03/2006WO2006081025A2 Optical transceivers with closed-loop digital diagnostics
08/03/2006WO2006080899A1 Systems and methods for testing data link connectivity of an optical network employing transparent optical nodes
08/03/2006WO2006080403A1 Communication device, communication system, communication method, communication program, and communication circuit
08/03/2006WO2006080372A1 Communication device, communication system, communication method, communication program, and communication circuit
08/03/2006WO2006080357A1 Communication device, communication system, communication method, communication program, and communication circuit
08/03/2006WO2006080330A1 Communication device, communication system, communication method, communication program, and communication circuit
08/03/2006WO2006080279A1 Optical signal transmission device and optical communication network
08/03/2006WO2006080168A1 Optical transmission device
08/03/2006WO2006080051A1 Optical network wavelength managing method, terminal station and center station
08/03/2006WO2006080050A1 Network management device, light branching insert node, and network management method
08/03/2006WO2006079437A1 Polarisation-controller driving method for optical fiber transmission systems and apparatus in accordance with said method
08/03/2006WO2006079286A1 A service rerouting triggering method
08/03/2006WO2006079199A1 Method and apparatus for illumination and communication
08/03/2006WO2006063348A9 Reduced loss ultra-fast semiconductor modulator and switch
08/03/2006WO2005102021A3 Flexible active signal cable
08/03/2006WO2005074660A3 Method and apparatus for in-service monitoring of a regional undersea optical transmission system using cotdr
08/03/2006US20060171723 Method for modulating an optical signal and optical transmitter
08/03/2006US20060171722 Multi-wavelength optical CDMA with differential encoding and bipolar differential detection
08/03/2006US20060171721 Label remover and label swapper using the same
08/03/2006US20060171720 Optical receiver apparatus and method
08/03/2006US20060171719 Optical transmission system having optimized filter wavelength offsets
08/03/2006US20060171718 Optical receiver and optical reception method compatible with differential quadrature phase shift keying
08/03/2006US20060171717 Optical add-drop multiplexer, and optical network equipment using the same
08/03/2006US20060171716 Multi-channel all-optical signal processor
08/03/2006US20060171715 Optical network system and transmission apparatus
08/03/2006US20060171711 Method and apparatus for testing optical networks
08/03/2006US20060171629 Method for removing cross-talk in wavelength division multiplexed passive optical network
08/03/2006US20060171019 Fiber optical system with Raman tilt control
08/03/2006DE10238044B4 Sendeeinrichtung und Verwendung dieser Sendeeinrichtung zur Übertragung von elektrischen Datensignalen Transmitting device and use this transmitter for transmitting electrical data signals
08/03/2006DE102005003918A1 Matrix optical switch for use in local area network, emits light whose energy is larger than band gap of substrate, onto photon injection area between input and output side optical waveguides formed on substrate, through photomask
08/02/2006EP1686733A1 Quality of service concept for OBS networks
08/02/2006EP1686715A1 Optical network system and transmission apparatus
08/02/2006EP1686714A1 Wavelength multiplex transmission system
08/02/2006EP1686710A1 Fiber optical system with raman tilt control
08/02/2006EP1686709A1 Optical receiver apparatus and corresponding method
08/02/2006EP1686708A1 Method of operating an optical transmitter comprising a multitude of independently controllable optical transmitters, and respective device.
08/02/2006EP1686707A2 Optical receiver and optical reception method compatible with differential quadrature phase shift keying
08/02/2006EP1686706A1 Method for modulating an optical signal and optical transmitter
08/02/2006EP1686403A1 Contactless connector
08/02/2006EP1685663A2 Flash optical performance monitor
08/02/2006EP1454432A4 Fiber-to-the-home (ftth) optical receiver having gain control and a remote enable
08/02/2006EP1425866A4 Optical communications systems, devices, and methods
08/02/2006CN2802527Y Multi-mode interference heat light adjustable attenuator
08/02/2006CN1813501A Method for transmission of signals in a circuit board and a circuit board
08/02/2006CN1813432A Method and apparatus for reducing data burst overhead in an Ethernet passive optical network
08/02/2006CN1813431A OTDM transmitting method and transmitter
08/02/2006CN1813430A Transmitter for an optical communication signal
08/02/2006CN1813429A Optical communication system using optical frequency code, optical transmission device and optical reception device thereof, and reflection type optical communication device
08/02/2006CN1813381A Pulsed quantum dot laser system with low jitter
08/02/2006CN1812628A Micro-optical element and photoswitch integrated circulation optical exchange module and control method
08/02/2006CN1812329A Optical exchanger for 650nm plastic optical fiber transmission system
08/02/2006CN1812292A TD-SCDMA system base station radio-frequency digital long-drawn optical fiber transmitting method and apparatus
08/02/2006CN1812291A Radio communication system based on optical signal processing
08/02/2006CN1812290A Apparatus for measuring laser plasma channel life in air and measuring method thereof
08/02/2006CN1811528A MEMS liquid crystal light attenuator array and producing method thereof
08/02/2006CN1811505A Coaxial cooled laser modules with integrated thermal electric cooler and optical components
08/02/2006CN1811504A Polymer thermal-optical type optical waveguide switch based on multimode interference coupler structure
08/02/2006CN1811503A Method for producing non-linear chirp optical fibre grating for 40 Gb/S optical communication system
08/02/2006CN1811502A Optical add and drop multiplexing device based on integrated acousto-optic tunable filter
08/02/2006CN1811501A Electric tuning integrated optical filter with high-fineness
08/02/2006CN1811500A Band-pass top flattening array waveguide optical grating used for multiplexing demultiplexing device
08/02/2006CN1811366A System structure of back reflection power meter and operating method thereof
08/02/2006CN1268084C Optic transmission system
08/02/2006CN1268083C Communication system
08/02/2006CN1268078C Method of power control in optical communication system
08/02/2006CN1268077C Optical CDMA wavelength-time domain two-dimensional optical orthogonal code coder and decoder
08/02/2006CN1268076C Opthical fiber transferring system, Raman gain gradien measuring device and measuring method
08/02/2006CN1268075C System and method for wavelength modulated free space optical communication
08/02/2006CN1267759C Module used for optical signal transmission and sending and/or receiving device within this
08/01/2006US7085568 Provision of local data in a wireless system
08/01/2006US7085502 High sensitivity, high resolution detection of signals
08/01/2006US7085501 Coherent optical receiver
08/01/2006US7085500 Programmable optical vector modulator and method for use in coherent optical communications
08/01/2006US7085499 Agile RF-lightwave waveform synthesis and an optical multi-tone amplitude modulator
08/01/2006US7085498 Apparatus for regenerating all-optical signal and method thereof
08/01/2006US7085497 Vehicular communication system
08/01/2006US7085496 Passive add/drop amplifier for optical networks and method
08/01/2006US7085494 High-capacity packet-switched ring network
08/01/2006US7085463 Optical fiber and optical transmission line
08/01/2006US7085447 System for optically demultiplexing wavelength bands
08/01/2006US7085281 Method and system for processing upstream packets of an optical network
08/01/2006US7085043 Optical amplifier
08/01/2006US7085042 Optical transmission systems including optical amplifiers and methods of use therein
08/01/2006US7085040 Optical transmission line, method of making optical transmission line, and optical transmission system
08/01/2006US7085039 Hybrid Raman/erbium-doped fiber amplifier and transmission system with dispersion map
08/01/2006US7083337 Optical transceiver port
08/01/2006CA2294954C Method for optically transmitting signalling and control information in optical networks