Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › 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
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)
08/2005
08/10/2005EP1562313A2 Raman optical amplifier, optical transmission system using the same, and Raman optical amplification method
08/10/2005EP1562312A2 Receiver cicuit and method of operation
08/10/2005EP1562311A2 Optical communication system and method thereof
08/10/2005EP1562070A1 Optical digital-to-analog conversion
08/10/2005EP1561294A1 Method for carrying out infrared data transmission
08/10/2005EP1561264A2 Method and apparatus for silicon-based optically-pumped amplification using stimulated scattering
08/10/2005EP1561135A2 Method and apparatus for providing controllable second-order polarization mode dispersion
08/10/2005EP1522166A4 Watch dog detector for qkd system
08/10/2005EP0936762B1 Polarized light communication device
08/10/2005EP0936761B1 Wavelength division multiplexing optical transmission system
08/10/2005EP0842576B1 Signal routing for fibre optic networks
08/10/2005CN2717116Y 多功能光万用表 Multifunctional optical multimeter
08/10/2005CN2717115Y Self-redundant radio frequency wide-band amplifier module
08/10/2005CN2716853Y Single-fiber two-way receiving and transmitting integrated module
08/10/2005CN1653737A Method and arrangement for reducing the signal degradation in an optical polarisation-multiplex signal
08/10/2005CN1653731A Dynamic polarization mode dispersion emulator
08/10/2005CN1653730A Optical transmission system with low power consumption
08/10/2005CN1652490A Method and apparatus for treating system expenses
08/10/2005CN1652485A FTTH system for broadcast/communication convergence using IEEE 1394
08/10/2005CN1652484A Free space optical communication system
08/10/2005CN1652482A Radio communication connection destination specifying method
08/10/2005CN1652008A Optical digital-to-analog converter
08/10/2005CN1652006A Optical regenerator for high bit rate return-to-zero transmission
08/10/2005CN1651953A Modular optical transceiver
08/10/2005CN1651950A High-tolerance broadband-optical switch in planar lightwave circuits
08/10/2005CN1651949A Controllable cascade type optical fiber raster DWDM single / multi-channel filter and its implementing method
08/10/2005CN1651947A Polarization control coding method coder and quantum key distributing system
08/10/2005CN1651946A 光通信系统及其方法 The optical communication system and method
08/10/2005CN1214576C Method and device for inversing optical fibre node
08/10/2005CN1214557C High-speed optical return-to-zero non-return-to-zero convertion receiver and teceiving method
08/10/2005CN1214551C Optical fiber looped network system and optical add-drop multiplexing module nd upgrade expanding method thereof
08/10/2005CN1214550C Signal transmission apparatus and method for remote-station
08/10/2005CN1214263C Polarization mould chromatic dispersion simulator, compensator and compensating system
08/09/2005US6928249 Fiber optic receiver with an adjustable response preamplifier
08/09/2005US6928248 Optical communications system with back-up link
08/09/2005US6928247 WDM ring transmission system
08/09/2005US6928246 Optical transmission system for frequency-multiplexed signal
08/09/2005US6928243 Optical performance monitoring apparatus for a WDM optical communication system
08/09/2005US6928242 Built in self test method and circuit for parallel optical transmitters
08/09/2005US6928222 Dispersion managed optical fiber
08/09/2005US6928221 Device for the compensation of chromatic dispersion
08/09/2005US6928214 Array waveguide grating, array waveguide grating module, optical communication unit and optical communication system
08/09/2005US6928201 Method and apparatus for providing controllable second-order polarization mode dispersion
08/09/2005US6927913 Optical signal processing apparatus
08/09/2005US6927897 Optical amplifier
08/09/2005US6927377 Wavelength locking channel monitor
08/09/2005CA2357918C Method and apparatus for communication signal autotracking within a free space optical communication system
08/09/2005CA2315958C Optical ip packet switch
08/09/2005CA2180842C Method and apparatus for controlling lamp intensity
08/04/2005WO2005071869A1 A method, equipment and system for optical communication
08/04/2005WO2005071380A1 Determination of an optical property of a device under test (dut) by otdr measurement
08/04/2005WO2005070177A2 Use of low-speed components in high-speed optical fiber transceivers
08/04/2005WO2005057737A9 Very high power pulsed fiber laser
08/04/2005WO2005038514A3 Photonic interconnect system
08/04/2005WO2005025243A3 Reconfigurable multi-channel all optical regenerators
08/04/2005WO2004061486A3 Optical amplifier
08/04/2005US20050169647 Receiving apparatus, transmitting apparatus, and communication system
08/04/2005US20050169646 Lincoln distributed optical receiver array
08/04/2005US20050169645 Adjustable dynamic range optimization for analog to digital resolution for intelligent fiber optic receivers and method
08/04/2005US20050169644 Optical signal transmitting device
08/04/2005US20050169643 Method and apparatus for the zonal transmission of data using building lighting fixtures
08/04/2005US20050169641 Two-optical signal generator for generating two optical signals having adjustable optical frequency difference
08/04/2005US20050169640 Optical communication module having at least one monolithic semiconductor photonic integrated circuit chip
08/04/2005US20050169638 Chirp managed laser fiber optic system including an adaptive receiver
08/04/2005US20050169637 Optical transmission system using an optical phase conjugation device
08/04/2005US20050169636 System and method for protecting eye safety during operation of a fiber optic transceiver
08/04/2005US20050169635 Method and system for free-space communication
08/04/2005US20050169633 Optical transmission device
08/04/2005US20050169632 FTTH system for broadcast/communication convergence using IEEE 1394
08/04/2005US20050169630 Dispersion slope equalizer
08/04/2005US20050169629 Diagnosis method for standby system of optical ring network
08/04/2005US20050169585 XFP transceiver with 8.5G CDR bypass
08/04/2005US20050169582 Optical isolator utilizing a micro-resonator
08/04/2005US20050169574 Optical communication system and method thereof
08/04/2005US20050169407 Receiver circuit and a method for its operation
08/04/2005US20050169168 Integrated circuit with dual eye openers
08/04/2005US20050169164 Transport of modulation symbols in a communications system
08/04/2005US20050168962 Blade-type optical transmission apparatus
08/04/2005US20050168819 Laser and laser signal combiner
08/04/2005US20050168806 Optical-level control method, optical-level control apparatus and wavelength-multiplexing optical network
08/04/2005US20050168802 Fiber optic transmission system using Raman effect amplification
08/04/2005US20050168725 System and method for measuring and compensating for the polarization mode dispersion of an optical signal
08/04/2005US20050168419 Light emitting diode driving circuit and optical transmitter for use in optical fiber link
08/04/2005US20050168364 Optical digital-to-analog converter
08/04/2005US20050167823 Integrated VCSELs on traditional VLSI packaging
08/04/2005US20050167591 Apparatus and method for testing infrared functions
08/04/2005DE19882819B4 Optische Empfangsvorrichtung Optical receiving apparatus
08/04/2005DE10358698A1 Verfahren zur Regelung der Pumpleistung eines optischen Verstärkers Method for controlling the pump power of an optical amplifier
08/03/2005EP1560356A2 Dual-filter architecture for reduced dispersion
08/03/2005EP1560330A1 Optical detector circuit
08/03/2005EP1560305A2 Optical amplifier provided with control function of pumping light, and optical transmission system using the same
08/03/2005EP1560304A2 Optical amplifier provided with control function of pumping light, and optical transmission system using the same
08/03/2005EP1560065A1 Optical amplification safety control method and apparatus
08/03/2005EP1560057A2 Optical antenna and wireless optical system using the same
08/03/2005EP1560050A1 Sheet light guide and communication system using the same
08/03/2005EP1560048A1 Optical isolator utilizing a micro-resonator
08/03/2005EP1559227A1 System and method for reducing interference in an optical data stream using multiple, selectable equalizers
08/03/2005EP1559217A1 Raman amplifier
08/03/2005EP1559216A2 Integrated optical detector directly attached to readout integrated circuit
08/03/2005EP1559215A1 Receiver for angle-modulated optical signals
1 ... 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 ... 732