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)
04/2003
04/16/2003CN1410800A Light modulator and light modulating method
04/16/2003CN1410789A All optical switch system and its method
04/16/2003CN1410785A Manufacturing method of apodization Bragg optical fibre grating having no selfcausing twitter effect
04/16/2003CN1106090C Optical transmission and configuration method thereof
04/16/2003CN1106089C Optical data transmitter device
04/16/2003CN1105926C High capacity optical fiber netword
04/16/2003CN1105851C Vertical cavity surface emitting laser arrays for illumination
04/15/2003US6549865 Method of controlling a dynamic gain controller
04/15/2003US6549702 Method and system for generating a broadband spectral continuum, method of making the system and pulse-generating system utilizing same
04/15/2003US6549701 Selectable wavelength channel filter for optical WDM systems
04/15/2003US6549697 Wavelength division multiplex optical signal regeneration method
04/15/2003US6549572 Method and apparatus for automated time domain monitoring in optical networks
04/15/2003US6549549 Method of stabilizing the wavelength of lasers and a wavelength monitor
04/15/2003US6549547 Ultrashort-pulse source with controllable multiple-wavelength output
04/15/2003US6549321 Optical modulator
04/15/2003US6549319 Apparatus for optical wavelength conversion
04/15/2003US6549317 Apparatus for transmitting image signals
04/15/2003US6549316 Circuit for suppressing noise and distortion in linear fiber optic links
04/15/2003US6549315 Optical transmission system and optical amplifying apparatus, optical amplifying unit, and optical coupler for the same
04/15/2003US6549314 Optical control apparatus, optical junction apparatus, optical ADM apparatus and optical transmission apparatus having thereof
04/15/2003US6549311 Wave division multiplexing channel telemetry by phase modulation
04/15/2003US6549310 Fiber optic data link module with built-in link diagnostics
04/15/2003US6549054 DC offset cancellation circuit, differential amplification circuit with DC offset cancellation circuit, photo-electric pulse conversion circuit, pulse shaping circuit, and pulse generation circuit
04/15/2003US6549018 Method for measuring the individual crosstalk in wavelength-division multiplex systems and wavelength division multiplex system
04/15/2003US6548967 Universal lighting network methods and systems
04/15/2003US6548878 Method for producing a thin distributed photodiode structure
04/15/2003US6548806 Apparatus for monitoring frequency of WDM signals using pilot tone
04/15/2003US6548802 Optical receiver zero calibration system and method
04/15/2003US6548801 System and method for optical heterodyne detection of an optical signal
04/15/2003US6547453 Systems and methods for detecting fault conditions and detecting and preventing potentially dangerous conditions in an optical system
04/15/2003CA2407327A1 Virtual common space: using wdm in metro access networks
04/15/2003CA2247687C Coherent optical communication system
04/15/2003CA2247610C Suppression of coherent rayleigh noise in bidirectional communication systems
04/15/2003CA2209127C A coupling arrangement between a multi-mode light source and an optical fiber through an intermediate optical fiber length
04/10/2003WO2003030428A1 System for improving osnr of dwdm transmission system
04/10/2003WO2003030426A2 Method for extracting spectral parameters of channels from non-channelised light
04/10/2003WO2003030413A2 Fault signalling in optical communications networks
04/10/2003WO2003030412A1 Optical transmission system comprising dispersion management system
04/10/2003WO2003030411A1 Transmission of solitons on alternate sign dispersion optical fibres with phase conjugation
04/10/2003WO2003030410A2 Compensator for polarisation-mode dispersion compensation
04/10/2003WO2003030409A1 Monitor for an optical fibre and multi-guide optical fibre circuits and methods of making them
04/10/2003WO2003030408A1 Microtransponder sensing system
04/10/2003WO2003030406A1 Mobile telephone for personal communication
04/10/2003WO2003030378A2 Real-time polarization mode dispersion characterization
04/10/2003WO2003030311A2 Method and system for locking transmission wavelengths for lasers in a dense wavelength multiplexer utilizing a tunable etalon
04/10/2003WO2003030203A1 Repeater housing for undersea optical communication system
04/10/2003WO2003029868A1 Optical transmitter/receiver
04/10/2003WO2003019240A3 Optical communications systems, devices, and methods
04/10/2003WO2003016959A3 Method for calibrating a free-space-coupled fiber-optic transmission system
04/10/2003WO2003007509A3 Monitoring optical dispersion based on vestigial side band optical filtering
04/10/2003WO2003003619A3 Redundant optical device array
04/10/2003WO2002101892A3 Dynamically controlled optical amplifier module
04/10/2003WO2002065162A3 System & method for addressing optical emanations from an information processing device
04/10/2003WO2002049299A3 A line coding scheme for digital communications, transmission method and apparatus
04/10/2003WO2002032150A3 Infra-red communication apparatus, system and method
04/10/2003WO2002029981A3 Bit-rate and format insensitive all-optical circuit for reshaping, regeneration and retiming of optical pulse streams
04/10/2003WO2002009299A9 Method and apparatus for extending fiber transmission distance with multiple pre-emphases in optically amplified dwdm system
04/10/2003US20030069996 Infrared to radio frequency adapter and method for using the same
04/10/2003US20030068648 Secreted and transmembrane polypeptides and nucleic acids encoding the same
04/10/2003US20030068120 Optical interleaver
04/10/2003US20030068115 Optical channel determination
04/10/2003US20030067952 Semiconductor laser module and method for simultaneously reducing relative intensity noise (RIN) ans stimulated brillouin scattering (SBS)
04/10/2003US20030067949 Optical module, transmitter and WDM transmitting device
04/10/2003US20030067678 Optical amplifier
04/10/2003US20030067674 System and method for wide band Raman amplification
04/10/2003US20030067673 Optical amplifier
04/10/2003US20030067671 High reliability optical amplification
04/10/2003US20030067670 Dynamic optical spectral control scheme for optical amplifier sites
04/10/2003US20030067663 Self-adjustable tunable filter
04/10/2003US20030067662 Fast decision threshold controller for burst-mode receiver
04/10/2003US20030067661 FM modulator
04/10/2003US20030067660 Light emitting device and communication system
04/10/2003US20030067659 System for upstream broadband transmission
04/10/2003US20030067658 Optical module for wavelength reference measurement in WDM systems
04/10/2003US20030067657 Method and apparatus to compensate for atmospheric effects and target motion in laser communication system
04/10/2003US20030067656 Optical channel selection and evaluation system
04/10/2003US20030067655 Methods and systems for integrated IP routers and long haul/ultra long haul optical communication transceivers
04/10/2003US20030067654 Electro-optical inclination detector and device comprising such a detector for generating an alarm as a function of the inclination of the body, or of a part of the body, of an individual
04/10/2003US20030067651 Channel identification in communications networks
04/10/2003US20030067649 Ring network using multi-wavelength generator
04/10/2003US20030067648 Optical maintenance signaling in optical data networks
04/10/2003US20030067647 Channel identification in communications networks
04/10/2003US20030067646 Channel identification in communications networks
04/10/2003US20030067644 Dual-wave optical shared protection ring
04/10/2003US20030067642 Ringing and inter-symbol interference reduction in optical communications
04/10/2003US20030066953 Method and apparatus for monitoring optical signal performance in wavelength division multiplexing system
04/10/2003US20030066947 Attenuation and calibration systems and methods for use with a laser detector in an optical communication system
04/10/2003CA2460155A1 Mobile telephone for personal communication
04/09/2003EP1301061A2 Flexible electrical interconnect for optical fibre transceivers
04/09/2003EP1300975A1 Optical demultiplexing system for wavelength bands
04/09/2003EP1300968A1 A device for demultiplexing optical RZ signals
04/09/2003EP1300918A2 Optical amplifier
04/09/2003EP1300706A1 Optical deinterleaver
04/09/2003EP1300703A2 Semiconductor laser module and method for simultaneously reducing relative intensity noise and stimulated Brillouin scattering
04/09/2003EP1299968A2 Athermalization and pressure desensitization of diffraction grating based spectrometer devices
04/09/2003EP1299767A1 Acceleration-insensitive opto-electronic oscillators
04/09/2003EP1299756A1 Chromatic-dispersion compensator
04/09/2003EP1099200A4 Rfid system for detecting low power resonant tags
04/09/2003EP0739559B1 Method for key distribution using quantum cryptography
04/09/2003CN2544473Y Light collecting/transmitting module
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