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)
07/2005
07/07/2005DE10210038B4 Elektro-optisches Messsystem und Verfahren zur Reduzierung von Störsignalen in einem elektro-optischen Messvorgang Electro-optical measuring system and method for reducing noise in an electro-optical measuring process
07/07/2005CA2546510A1 Laser-based communications with a remote information source
07/06/2005EP1551118A2 Method for increasing accuracy of measurement of mean polarization mode dispersion
07/06/2005EP1550901A1 Optical power equalization device and corresponding system
07/06/2005EP1550247A1 Method and arrangement for determining signal degradations in the presence of signal distortions
07/06/2005EP1550245A1 Optical communications processing system, components and operating method thereof
07/06/2005EP1550244A2 Optical transceiver module with multipurpose internal serial bus
07/06/2005EP1371259B1 Optical TDM communication system
07/06/2005EP1075743A4 Automatic isolation in loops
07/06/2005EP1045902B1 HUMAN SUPPRESSOR tRNA OLIGONUCLEOTIDES AND METHODS OF USE FOR SAME
07/06/2005CN2708291Y USB optical time domain reflection (OTDR) testing device having auxiliary power supply
07/06/2005CN1636337A Optical network with distributed signal regeneration
07/06/2005CN1636263A Topside active optical device apparatus and method
07/06/2005CN1635739A An apparatus and method of dynamic bandwidth allocation for passive optical network
07/06/2005CN1635720A Control device and method for free-space optical telecommunications system
07/06/2005CN1635719A Method for remote control of electronic apparatus
07/06/2005CN1209660C A time integral sound and optical correlator
07/06/2005CN1209648C Optics collimator
07/06/2005CN1209647C Optical cross-linking system
07/06/2005CN1209646C Two-dimensional restricted multimode interference power divider
07/06/2005CN1209643C Dispersion compensation fibre for compensating NZ-DSF fibre with positive dispersion
07/05/2005US6915429 System and method for fiber channel remote activation and enhanced security
07/05/2005US6915109 Method of operating a remote control system and a remote control system comprising an RF transmission and receiving system
07/05/2005US6915084 Optical compensator having compensation for Kerr effect phase noise
07/05/2005US6915083 Signal receiver having wide band amplification capability
07/05/2005US6915082 Optical data transmitting apparatus and method
07/05/2005US6915080 Method and apparatus for aligning optical wireless links
07/05/2005US6915079 Non-return optical star coupler
07/05/2005US6915077 System and method for increasing channel capacity of fiber-optic communication networks
07/05/2005US6915076 System and method for adaptively selecting a signal threshold of an optical link
07/05/2005US6915061 Variable optical attenuator with MEMS devices
07/05/2005US6915040 Devices and applications based on tunable wave-guiding bragg gratings with nonlinear group delays
07/05/2005US6915037 Lossless optical divider/combiner with pump diversion for scalable optical networks
07/05/2005US6915035 Variable wavelength optical transmitter output control method therefor and optical communication system
07/05/2005US6914718 Optical repeating system and optical amplifying repeater control method
07/05/2005US6914716 Modulated pump source for fiber Raman amplifier
07/05/2005US6914707 Polarization scrambler, and a method for polarization scrambling
07/05/2005US6914266 Optical wireless communications
07/05/2005CA2408578C Laser pulse shaping device
06/2005
06/30/2005WO2005060130A1 Improved method and apparatus for the evaluation of polarization mode dispersion in optical fibers
06/30/2005WO2005059633A2 All-optical, 3r regeneration using the sagnac and mach-zehnder versions of the terahertz optical asymmetric demultiplexer (toad)
06/30/2005WO2005029136A3 Optical transmission controller
06/30/2005WO2005017609A3 Distributed amplifier optical modulators
06/30/2005WO2005006576B1 Controlling the extinction ratio in optical networks
06/30/2005WO2004107510A3 Laser pulse generator
06/30/2005WO2004047317A3 Optical preamplifier with received signal strength indicating function
06/30/2005WO2004027580A3 System and method for managing an optical networking service
06/30/2005US20050141900 Free-propagation optical transmission system
06/30/2005US20050141899 Single-to-multi mode converter and optical code division multiple access system using the same
06/30/2005US20050141898 System for all-optical clock recovery
06/30/2005US20050141897 Light detection apparatus and free space optics communication apparatus
06/30/2005US20050141896 Electromagnetic signal sensing system
06/30/2005US20050141895 Isolating radio frequency components of a wireless device
06/30/2005US20050141894 Bi-directional add/drop node
06/30/2005US20050141892 Wavelength-division multiplexed self-healing passive optical network
06/30/2005US20050141825 Optical transmitter module
06/30/2005US20050141803 Communications adapter module
06/30/2005US20050141802 Method based on stokes parameters for the adaptive adjustment of pmd compensators in optical fiber communication systems and compensator in accordance with said method
06/30/2005US20050141716 Coherent-states based quantum data-encryption through optically-amplified WDM communication networks
06/30/2005US20050141582 Apparatus and method for generating optical carrier for microwave and millimeterwave photonics system
06/30/2005US20050141079 Optical transmission apparatus
06/30/2005US20050141077 Multi-wavelength light source and wavelength division multiplexing system using the same
06/30/2005US20050140965 Method for increasing accuracy of measurement of mean polarization mode dispersion
06/30/2005US20050140521 Method for controlling an electronic device from a distance via a command controller
06/30/2005US20050139791 Dual current-source digital-input circuit for an industrial automation system
06/30/2005DE10353987A1 Vorrichtung, bestehend aus einem Funkmodul und zumindest einer Applikation , sowie ein mobiles Kommunikationsgerät Device comprising a radio module and at least one application, and a mobile communication device
06/30/2005DE10353891A1 Anordnung zur Datenübertragung zwischen einem feststehenden und einem beweglichen Bauteil A communications between a fixed and a movable member
06/30/2005DE102004031736A1 Anpassungsschaltungen auf optoelektronischen Vorrichtungen Matching circuits on optoelectronic devices
06/30/2005CA2551032A1 All-optical, 3r regeneration using the sagnac and mach-zehnder versions of the terahertz optical asymmetric demultiplexer (toad)
06/29/2005EP1548967A1 Method and system for demultiplexing non-intensity modulated wavelength division multiplexed (WDM) signals
06/29/2005EP1548961A1 Dispersion managed HOM multimode optical fibre.
06/29/2005EP1547282A1 Communication system providing hybrid optical/wireless communications and related methods
06/29/2005EP1546778A2 Optical cross connect apparatus and method
06/29/2005EP1461886B1 Noise reduction in optical communications networks
06/29/2005EP1425616B1 Optical arrangement and transceiver module for bi-directional optical wdm systems and optical data transmissions
06/29/2005EP1226667A4 Composite second-order bias control schemes
06/29/2005CN2706967Y Module sleeve
06/29/2005CN2706966Y High transmission isolating degree WDM apparatus
06/29/2005CN1633764A 偏振模色散补偿器 PMD compensator
06/29/2005CN1633763A Optical fiber communication systems with brillouin effect amplification
06/29/2005CN1633748A Line coding scheme for digital communications, transmission method and apparatus
06/29/2005CN1633104A Optical label switching structure supporting blocking mode and multiplexing control
06/29/2005CN1633064A Multi-path transmission device for space quantum key using telescope system
06/29/2005CN1633047A Light input preamplifier
06/29/2005CN1633046A A method of polarization mode dispersion compensation
06/29/2005CN1633045A Transmission processing board and automatic protection switching structure in wireless network controller
06/29/2005CN1633044A Free space optical communication system and heterogeneous light elimination method thereof
06/29/2005CN1633043A Free space optical communication system and transmission power control method thereof
06/29/2005CN1633042A Wireless carrier RF transceiver and frequency butt joint method
06/29/2005CN1632635A Tunable optical filter
06/29/2005CN1632634A Optical fiber grating template with long stress cycle and fabricating method thereof
06/29/2005CN1632626A Compact multimode interference thermal adjustable optical attenuator
06/29/2005CN1208916C Wdm光通信系统 Wdm optical communication system
06/29/2005CN1208915C Optical transponder
06/29/2005CN1208914C Simulated gain control equipment and method for erbium-doped fiber amplifier
06/29/2005CN1208913C Free-space WDM optical communication system
06/29/2005CN1208883C Raman gain real time dynamic control and compensation method and its Raman optical-fibre amplifier
06/29/2005CN1208676C Optical filter, and device and method for monitoring optical channels thereby
06/29/2005CN1208660C Design method of plane light delay device and its structure
06/29/2005CN1208640C Device capable of simultaneously realizing optical filtering and dispersion compensation function