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)
11/2001
11/06/2001	US6313458 Gain-adjustable photoreceiver circuit with photoelectric converter and amplifier
11/01/2001	WO2001082516A1 Gain equalization in dwdm networks
11/01/2001	WO2001082509A1 A multi-wavelength/multi-channel system
11/01/2001	WO2001082508A1 Improved data compression apparatus and method therefor
11/01/2001	WO2001082507A2 Apparatus and method for reducing the effects of noise on a light transmitter
11/01/2001	WO2001082506A1 Ac performance monitor with no clock recovery
11/01/2001	WO2001082257A1 Inclination optoelectronic detector and device comprising same for generating alarm based on the inclination of a person's body or part of his body
11/01/2001	WO2001081725A1 Communications apparatus
11/01/2001	WO2001067644A8 Compensation for polarization-mode dispersion in multiple wavelength-division multiplexed channels
11/01/2001	WO2001065730A8 Apparatus, system, and method for extracting an optical clock signal from an optical data signal
11/01/2001	WO2000048338A9 Optical free space signalling system
11/01/2001	US20010036347 Raman amplified optical system with reduction of four-wave mixing effects
11/01/2001	US20010036338 Optical transmission module and optical communication system using the same
11/01/2001	US20010036334 System and method for reducing differential mode dispersion effects in multimode optical fiber transmissions
11/01/2001	US20010036331 Optical signal transmission device
11/01/2001	US20010036210 Method and a coupling to change the wavelength of an optical transmitter in a system using wavelength division multiplexing
11/01/2001	US20010036004 Optical communication system with co-propagating pump radiation for raman amplification
11/01/2001	US20010035996 Optical compensation for dispersion-induced power fading in optical transmission of double-sideband signals
11/01/2001	US20010035995 Remotely-interrogated high data rate free space laser communications link
11/01/2001	US20010035993 Distributed intelligence wavelength division multiplexed network
10/2001
10/31/2001	EP1150535A1 Optical address decoder
10/31/2001	EP1150448A2 Demultiplexer control system
10/31/2001	EP1150401A2 Laser device management system
10/31/2001	EP1149479A1 Optical system and method having low loss and non-linear effects
10/31/2001	EP0806098B1 Dispersion compensation in optical fibre transmission
10/31/2001	DE19931838C1 Verfahren zur Überprüfung einer ringförmigen optischen Netzleitung zur Datenübertragung zwischen mehreren Netzteilnehmern in einem Kraftfahrzeug Method for checking a ring optical network line for data transmission between multiple network nodes in a motor vehicle
10/31/2001	DE10118750A1 Ternary interface for optical media has light source emitting light with approximately constant mean level in response to control and data signals received via electronic components
10/31/2001	DE10019814A1 Method for monitoring the operation of optical feeder fibres transmits an optical auxiliary signal generated in a centralised optical device from the centralised to a decentralised optical device in addition to a real signal.
10/31/2001	CN2457803Y Multi-way program control optial switch control interface
10/31/2001	CN2457802Y Optical emission transmission path decide
10/31/2001	CN2457801Y Structure of infrared car carrier communication device
10/31/2001	CN2457800Y Optical signal receiver
10/31/2001	CN1320311A Method and apparatus for optical performance monitoring in wavelength division multiplexed fiber optical systems
10/31/2001	CN1319965A Equipment for multiplexing/demultiplexing optical signal modulated by different data rate
10/31/2001	CN1319775A Equipment and method for identifying operated optical fibre in distributor
10/31/2001	CN1319769A Optical attenuator with double control loop
10/30/2001	US6311002 Method and apparatus for reducing nonlinear penalties by proper arrangement of the dispersion map in an optical communication system
10/30/2001	US6310994 Add/drop multiplexer routing signals according to wavelength
10/30/2001	US6310993 Method and apparatus for chromatic dispersion compensation and dispersion slope compensation in wavelength division multiplexed systems utilizing a channel separator and virtually imaged phased arrays
10/30/2001	US6310992 Method and apparatus for interconnecting multiple modular devices in a communication system
10/30/2001	US6310899 Cascaded raman resonator system and apparatus
10/30/2001	US6310718 Optical amplifying apparatus for detecting break point in optical transmission lines
10/30/2001	US6310716 Amplifier system with a discrete Raman fiber amplifier module
10/30/2001	US6310709 Synchronous polarization and phase modulation using a periodic waveform with complex harmonics for improved performance of optical transmission systems
10/30/2001	US6310708 Supervisory signal transmitter and method
10/30/2001	US6310707 Optical wireless data communication system, and transmitter and receiver used therefor
10/30/2001	US6310706 Transmitting/receiving facility and method for transmitting broadband signals as well as transmitting/receiving facility for receiving broadband signals
10/30/2001	US6310705 Duplex outdoor base station transceiver subsystem utilizing a hybrid system of a high power amplifier and an optic antenna
10/30/2001	US6310703 Method and apparatus for optical performance monitoring in wavelength division multiplexed fiber optical systems
10/30/2001	US6310702 Testing device for multistage multi-branch optical network
10/30/2001	US6310690 Dense wavelength division multiplexer utilizing an asymmetric pass band interferometer
10/30/2001	US6309830 Nucleotide sequence which encodes a synthetic transfer ribonucleic acid; for use as a tool in gene therapy
10/30/2001	CA2227250C Passive optical telecommunication system employing multiple wavelength source and plural power splitting stages
10/30/2001	CA2069567C Optical amplification apparatus
10/25/2001	WO2001080592A2 Transmission of data
10/25/2001	WO2001080507A2 Method and apparatus for arbitrary waveform generation using photonics
10/25/2001	WO2001080478A1 Optical clock signal distribution system in wdm network
10/25/2001	WO2001080467A1 Gain-locked dual stage optical amplifier
10/25/2001	WO2001080466A1 Wavelength division multiplexing transmitter and optical output control method for optical wavelength division multiplexing transmitter
10/25/2001	WO2001080465A2 Optical transponder
10/25/2001	WO2001080464A1 Device for transmitting optical rz signals, in particular soliton-pulse signals
10/25/2001	WO2001080463A2 Integrated optics encryption device
10/25/2001	WO2001080462A2 System and method for adjusting transmission power of respective light beams in a wavelength-division multiplexed network
10/25/2001	WO2001080384A1 Parallel optical module and information processing device
10/25/2001	WO2001080381A1 Method and device for regulating a medium with an amplifying effect, especially a fiber optical waveguide
10/25/2001	WO2001080380A1 Method for controlling performance of optical amplifiers
10/25/2001	WO2001080378A2 Optical amplifiers with a simple gain/output control device
10/25/2001	WO2001080025A1 Universal serial bus connecting apparatus
10/25/2001	WO2001079902A1 Optical fiber
10/25/2001	WO2001079899A2 Adjustable optical fiber grating dispersion compensators
10/25/2001	WO2001079795A1 Wavelength monitor for wdm systems
10/25/2001	WO2001048953A3 Communication module comprising parallel transmitting diodes
10/25/2001	WO2001041528A3 Second order predistortor for a return laser transmitter
10/25/2001	WO2001039515A3 I2c opto-isolator circuit
10/25/2001	WO2001024328A3 Method of converting an optical wavelength with an opto-electronic laser with integrated modulator
10/25/2001	WO2001016642A3 Integrated opto-electronic wavelength converter assembly
10/25/2001	US20010033719 Bidirectional optical semiconductor apparatus
10/25/2001	US20010033717 Configuration for an optical device interface
10/25/2001	US20010033413 Method of operating a noise-compensating gain controller for an optical amplifier
10/25/2001	US20010033411 Wideband optical amplifier and wideband variable wavelength optical source
10/25/2001	US20010033407 Linear full-rate phase detector and clock and data recovery circuit
10/25/2001	US20010033406 Optical transmitter-receiver
10/25/2001	US20010033403 Optical cross-connect system and optical transmission system
10/25/2001	US20010033385 Wavemeter
10/25/2001	US20010032921 Photodiode bias circuit
10/25/2001	DE10021251A1 Anordnung für eine optische Geräteschnittstelle Arrangement for an optical device interface
10/25/2001	CA2406369A1 Wavelength monitor for wdm systems
10/25/2001	CA2406082A1 Optical transponder having better recovery after equipment failure
10/25/2001	CA2405576A1 Method for controlling performance of optical amplifiers
10/25/2001	CA2306649A1 Optical address decoder
10/24/2001	EP1148668A2 Method and device for selecting light source for optical communication
10/24/2001	EP1148667A1 A multi-wavelength/multi-channel optical system
10/24/2001	EP1148666A2 Time-division multiplexed pump wavelengths resulting in ultra broad band, flat, backward pumped raman gain
10/24/2001	EP1148665A2 Supervision method of optical supply fibre operation
10/24/2001	EP1148445A1 Apparatus for an optical device interface
10/24/2001	EP1148361A2 Light-branching apparatus for an optical communications system
10/24/2001	EP1148360A2 Photonic crystal fibers for dispersion control in optical communication systems
10/24/2001	EP1148357A2 Optical transmission module and optical communication system using the same
10/24/2001	EP1147645A1 System and method for dial-up networking over infrared data link
10/24/2001	EP0818088B1 Optical pre-amplifier

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