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)
08/2007
08/28/2007US7263292 Methods and apparatus for controlling multiple infrared devices
08/28/2007US7263290 Network operating system with distributed data architecture
08/28/2007US7263288 Optical routing using a star switching fabric
08/28/2007US7263287 Method and apparatus for assessing performance of optical systems
08/28/2007US7263285 Method, apparatus and system for the automatic provisioning of a network element
08/28/2007US7263257 Gires-Tournois etalons and dispersion compensation
08/28/2007US7263248 Optical via to pass signals through a printed circuit board
08/28/2007US7262905 Optical amplifier
08/28/2007US7262903 Method and apparatus for controlling multiple-wavelength-pumped raman amplifier and computer product
08/28/2007US7261596 Shielded semiconductor device
08/28/2007US7261162 Subsea communications system
08/28/2007CA2566291C Fiber-optic transceiver
08/28/2007CA2421631C Phase modulator and phase modulating method
08/28/2007CA2413458C Optical-transmission system
08/23/2007WO2007094425A1 Light amplifying apparatus
08/23/2007WO2007093097A1 Illumination light wireless communication system
08/23/2007WO2007081939A3 Systems, apparatuses, and methods for optical communications and signal processing
08/23/2007WO2006057655A8 All-fiber chirped pulse amplification systems
08/23/2007US20070199034 System for multi-frame alignment
08/23/2007US20070196113 Monolithic optically preamplified coherent photoreceiver arrays
08/23/2007US20070196112 Power save mode for an optical receiver
08/23/2007US20070196111 Optic fiber network communication system with duobinary transceiver
08/23/2007US20070196110 Partial DPSK (PDPSK) Transmission Systems
08/23/2007US20070196109 Secure optical communication system
08/23/2007US20070196107 Optical switching device
08/23/2007US20070196105 Optical network unit and control method thereof
08/23/2007US20070196104 Optical transceiver with clock for providing maintenance and lifetime information
08/23/2007US20070196058 Apparatus and method for identification of optical cable
08/23/2007US20070196041 Cascaded modulator system and method for QKD
08/23/2007US20070195902 Method for variable forward error correction in a multi-point to point orthogonal frequency division multiplexing system
08/23/2007US20070195901 Method and system for adaptive modulation
08/23/2007US20070195689 Method and system for adaptive modulation
08/23/2007US20070195687 Symbol alignment in multipoint-to-point orthogonal frequency division multiplexing communication
08/23/2007DE102006006550A1 Verfahren und Anordnung zur Reduzierung von Spectral-Hole-Burning Method and apparatus for reducing spectral hole burning
08/23/2007CA2642347A1 Point-to-multipoint high data rate delivery systems from optical node in hfc systems over existing and advanced coaxial network
08/22/2007EP1821437A1 Optical switching device
08/22/2007EP1820289A2 Buried fiber optic system including a sub-distribution system and related methods
08/22/2007EP1820288A1 Monitoring of optical signals
08/22/2007EP1163751A4 Otpical mux/demux
08/22/2007CN2938591Y Remote control device of uneasy deciphering cipher
08/22/2007CN2938590Y Positioning device of optical fibre amplifier
08/22/2007CN2938589Y Optical fibre access system of light modem for data transmission of Europe standard
08/22/2007CN2938588Y Optical fibre access system of protocol conversion
08/22/2007CN2938587Y Optical network bridge optical fiber access system for data transmission of Europe standard
08/22/2007CN2938586Y Single network bridge optical fibre access system for Europe standard data transmission
08/22/2007CN2938585Y Optical fibre access system of multi-service optical fibre transceiver
08/22/2007CN2938584Y Optical fibre access system of ethernet light modem
08/22/2007CN1333560C High-performance optical fibre CAN communication system for strong electromagnetism interference environment
08/22/2007CN1333539C Method for remote control of electronic apparatus
08/22/2007CN1333285C Polarization controller and use thereof
08/22/2007CN1333279C Silicon carrier for optical interconnect modules
08/22/2007CN1333259C Test desk for high frequency characteristics of semiconductor laser chip with noncoplanar electrode
08/22/2007CN101023607A Optical transmission apparatus and optical communication system
08/22/2007CN101023606A Method and apparatus for obtaining an optical power level in a PON
08/22/2007CN101022677A Dynamic service flow classification and mapping method and optical network terminal and optical insertion network
08/22/2007CN101022388A Method for constituting self-healing ring with ordinery Ethernet technique
08/22/2007CN101022319A Dispatching device and method in optical communication network
08/22/2007CN101022314A Ultranarrow double-channel filter based on symmetric sampling grating structure
08/22/2007CN101022313A Optical clock signal extraction device and optical clock signal extraction method
08/22/2007CN101022312A Optical network element for compensating dispersion-related propagation effects
08/22/2007CN101022311A Multi-mode-single mode optical network full optical fiber interconnecting method and interconnector for realizing the same method
08/22/2007CN101022310A Light source strength noise suppressing device based on high-speed light attenuator switch and method thereof
08/21/2007USRE39785 System for optically transmitting frequency-division-multiplexed signal and transmitter therefor
08/21/2007US7260332 Asynchronous chirped systems, apparatuses, and methods
08/21/2007US7260331 Optical pulse demultiplexer and method thereof
08/21/2007US7260330 Optical communication system using correlation receiver
08/21/2007US7260329 All optical time division multiplexer and packet switch using optical codewords and optically actuated optical switches
08/21/2007US7260325 Network component for an optical network comprising an emergency operation function, especially for an optical network in ring topology
08/21/2007US7260324 Automatic optical power management in optical communications system
08/21/2007US7260119 System, method, and computer program product for ethernet-passive optical networks
08/21/2007US7259907 Laser-active optical fiber for a fiber laser or an optical fiber amplifier
08/21/2007US7259904 Coarse spectrometer with a grating
08/21/2007US7259363 Circuit arrangement and methods for a remote control receiver having a photodiode
08/21/2007CA2431273C Optical connection system
08/16/2007WO2007092885A2 Methods and systems for controlling power in a communications network
08/16/2007WO2007092765A2 Managing gain tilt in an optically amplified transmission system
08/16/2007WO2007092534A2 Communication/power network having out-of-band time and control signaling
08/16/2007WO2007092357A2 Multiband amplifier based on discrete soa-raman amplifiers
08/16/2007WO2007091026A1 Fibre optic system for analogue communication between a first station and a second station comprising an antenna unit
08/16/2007WO2007090333A1 High-speed optical transfer unit with two modes jitter performance compatibility
08/16/2007WO2007035948A3 All-optical 2r regenerator for multi-channel communication
08/16/2007US20070192815 Method for tone hopping in a multipoint-to-point orthogonal frequency division multiplexing communication system
08/16/2007US20070190936 Mobile phone having infrared communication function
08/16/2007US20070189780 Fiber-to-the-home (ftth) optical receiver with distributed gain control
08/16/2007US20070189779 System and method for transmitting analog signals with a modulating retroreflector and hybrid amplitude and frequency modulation
08/16/2007US20070189778 Bi-directional signal interface using photonic coupler
08/16/2007US20070189777 Optical clock signal extraction device and optical clock signal extraction method
08/16/2007US20070189776 Polarization mitigation technique
08/16/2007US20070189775 Optical network element for compensating dispersion-related propagation effects
08/16/2007US20070189768 Optical network unit and control method thereof
08/16/2007US20070189767 Method for amplifying a time-varying optical signal and optical amplification unit
08/16/2007US20070189663 Optical crossconnect apparatus
08/16/2007US20070189656 Method and apparatus for the evaluation of polarization mode dispersion in optical fibers
08/16/2007US20070189598 Method of generating positioning coefficients for strip-based satellite image
08/16/2007US20070189052 Memory system
08/16/2007US20070188852 Multimode fiber optic amplifier and method of amplifying optical signals
08/15/2007EP1819072A1 Optical network element with dispersion compensation
08/15/2007EP1819071A1 Method of delaying an optical signal and optical routing device
08/15/2007EP1819070A1 Clock recovery circuit and method for optical receiver
08/15/2007EP1817853A2 Inter-transceiver module communication for optimization of link between transceivers