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)
12/2006
12/20/2006EP1734673A1 Capacity expansion method for optical transmission link network without service interruption
12/20/2006EP1734396A1 Multiple head laser projector and method
12/20/2006EP1733335A2 Radio frequency identification of a connector by a patch panel or other similar structure
12/20/2006EP1512042B1 Device for optical signal transmission between two units that are displaced in relation to one another
12/20/2006EP1483810A4 Control circuit for optoelectronic module with integrated temperature control
12/20/2006EP1423928B1 Photoreceiver assembly for high-powered lasers
12/20/2006EP1368922A4 Method and system for dispersion maps and enhanced distributed gain effect in long haul telecommunications
12/20/2006EP1260040B1 Method for transmitting additional optical signals in the s-band
12/20/2006EP0944185B1 Space optical transmission apparatus and space optical transmission method
12/20/2006CN2850145Y Wavelength converter for 650nm plastic optical fiber transmission system
12/20/2006CN2850144Y Optical fibre Raman amplifying stimulated Brillouin scattering comb-shaped light source
12/20/2006CN1883157A Method and apparatus for providing grades of service for unprotected traffic in an optical network
12/20/2006CN1883144A Optical sub-carrier multiplexed transmission
12/20/2006CN1883140A Optical signal regenerator for high bit-rate transmission systems
12/20/2006CN1883139A Space-time coded diffuse-IR networking with photon density waves
12/20/2006CN1883089A 光发送器 Optical transmitter
12/20/2006CN1881848A Optical channel performance on-line monitoring module
12/20/2006CN1881847A Monolithic living hinge small form factor transceiver bail-delatch
12/20/2006CN1881845A Device for realizing multipath multiple data service aggregated transmission and its method
12/20/2006CN1881731A Signal transmission method between two control protection system and two valve base electronic equipment of convertor station
12/20/2006CN1880991A Keyed transceiver module
12/20/2006CN1291562C Quantum secrecy communication method for BB84 protocol
12/20/2006CN1291560C Radio signal transmitter
12/20/2006CN1291554C Phase-shift binary transmission coder, phase regulator and optical network cell
12/20/2006CN1291341C Method and apparatus for realizing Ethernet passive optical network system dynamic filtration database
12/20/2006CN1291255C Integrated device with adjustable output waveform for dense wavelength division multiplexing system
12/19/2006US7151997 Vehicle-based navigation system with smart map filtering, portable unit home-base registration and multiple navigation system preferential use
12/19/2006US7151898 Deterministic first and second order polarization mode dispersion compensator
12/19/2006US7151897 Optical clock phase-locked loop circuit
12/19/2006US7151896 Burst optical communication apparatus
12/19/2006US7151895 Method and system for automatically setting gain for an amplifier in an optical network
12/19/2006US7151894 Bit error rate based system and method for optimizing communication system performance
12/19/2006US7151893 Data transmission system, transmission method of optical network monitor control signal, and node
12/19/2006US7151882 Optical antenna
12/19/2006US7151880 Dispersion-managed optical soliton transmission system
12/19/2006US7151865 Optical waveguide device, optical and electrical elements combined device, method of driving the same, and electronic equipment using the same
12/19/2006US7151630 Raman amplification repeater
12/19/2006CA2376854C Opto-electrical actuation system and method
12/14/2006WO2006131904A1 Dispersion compensation
12/14/2006WO2006131152A1 A combined set comprising a fluid meter and a pulse generator
12/14/2006US20060280511 Optical receiver having bias circuit for avalanche photodiode with wide dynamic range
12/14/2006US20060280510 Optical receiver and optical receiving method corresponding to differential M-phase shift keying system
12/14/2006US20060280508 Optimization of mode selection in a laser resonator
12/14/2006US20060280507 Method and system for keeping time alignment between optical data modulation and a periodically modulated light source
12/14/2006US20060280506 Clock extracting apparatus
12/14/2006US20060280505 Temperature compensated dynamic optical tag modulator system and method
12/14/2006US20060280504 Optically coupled integrated circuit layers
12/14/2006US20060280503 Remote controller for a big-horsepower wood-waste collecting machine
12/14/2006US20060280502 Optical access network system
12/14/2006US20060280397 Tunable dispersion compensator and method of manufacturing the same
12/14/2006US20060280324 Interface facility for signal transmission between a hearing aid device and an external device
12/14/2006US20060280055 Laser power control and device status monitoring for video/graphic applications
12/14/2006CA2550559A1 A method and system for avoiding amplified spontaneous emission loops in an optical network
12/13/2006EP1732249A2 Optical receiver module and optical receiver module system
12/13/2006EP1732248A1 Photodetector and infrared communication device
12/13/2006EP1730879A1 Method and device for synchronizing and acquiring twin photons for a quantum cryptography process
12/13/2006EP1730877A1 Autocalibration for qkd systems
12/13/2006EP1730875A1 Modulator autocalibration methods for qkd
12/13/2006EP1730861A1 Method and apparatus for optical transmission of data
12/13/2006EP1730860A2 Flat-topped chirp induced by optical filter edge
12/13/2006EP1730566A2 Flexible active signal cable
12/13/2006EP1154299B1 Optical communications device
12/13/2006CN2847703Y Light receiving and transmitting integrated module
12/13/2006CN2847702Y Very-high frequency to super-high frequency wave band radio microphone
12/13/2006CN1879330A Looped optical network with ase light recirculation and link and network survivability control system
12/13/2006CN1879329A Optical wireless connecting terminal comprising extended infrared source
12/13/2006CN1879328A Optical-wireless fusion communication system and optical-wireless fusion communication method
12/13/2006CN1878422A 光接入网系统 Optical access system
12/13/2006CN1878048A 光通信系统 The optical communication system
12/13/2006CN1878041A Method for solving clock and frame pulse change in optical network by using asynchronous frame pulse
12/13/2006CN1878037A Gain locking parameter list generation method
12/13/2006CN1878036A Method for convergence of control-plane route in intelligent optical network
12/13/2006CN1878035A Hybrid integrated silicon-based photosignal processing chip
12/13/2006CN1878034A Radio optical communication system for rectilinear motion objects
12/13/2006CN1877986A Distortion cancellation in a transimpedance amplifier circuit
12/13/2006CN1290358C Network and method for connecting antennas to base stations in a wireless communication network using space diversity
12/13/2006CN1290282C Non-uniform light convergence device and divergence device and layered mixing light cross-linking system
12/13/2006CN1290275C Dual star optical fiber CAN bus network
12/13/2006CN1290274C A method for composing optimum optical orthogonal code
12/13/2006CN1290193C Electric current mirror image circuit and light signal circuit utilizing the same
12/12/2006US7149435 Method and apparatus for transmitting high-frequency signals in optical communication system
12/12/2006US7149434 System and method for optical communication
12/12/2006US7149433 Upgrade of optical amplifier site to a digital optical network site in an optical transmission network
12/12/2006US7149432 Method and apparatus for equalization across plural data channels
12/12/2006US7149431 Self-seeded Fabry-Perot laser device for wavelength division multiplexing system
12/12/2006US7149430 Optoelectronic transceiver having dual access to onboard diagnostics
12/12/2006US7149428 OSNR monitoring method and apparatus using tunable optical bandpass filter and polarization nulling method
12/12/2006US7149426 Optical routers and redundancy
12/12/2006US7149425 Monitoring system for an optical transmitter
12/12/2006US7149424 Method and device for evaluating and improving the quality of transmission of a telecommunications signal through an optical fiber
12/12/2006US7149256 Multilevel pulse position modulation for efficient fiber optic communication
12/12/2006US7149223 Enhanced fiber nodes with CMTS capability
12/12/2006US7148812 System for use in controlling a hydrocarbon production well
12/12/2006US7148469 Optical signal transmission system including a splitter and a mixer
12/12/2006US7147387 Transmitter preemphasis in fiber optic links
12/12/2006CA2256014C Gigabit ethernet interface to synchronous optical network (sonet) ring
12/07/2006WO2006130870A1 Methods and apparatus for selective signal amplification
12/07/2006WO2006130805A1 Methods and apparatus for multiple signal amplification
12/07/2006WO2006129894A1 Wavelength division multiplexing-passive optical network system
12/07/2006WO2006128386A1 A method for realizing the laser safety protection, an optical amplifier and a methode for adding an identifier signal