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) |
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07/22/2008 | US7403674 Intrusion detection system for a multimode optical fiber using a bulk optical wavelength division multiplexer for maintaining modal power distribution |
07/22/2008 | US7402793 System and method for controlling and energizing a rotating object |
07/22/2008 | CA2347687C Method for channel-by-channel adjustment of the transmitted signal power levels in a wavelength-division multiplex transmission system |
07/17/2008 | WO2008086473A1 Optical communications using spectral interferometry |
07/17/2008 | WO2008085884A1 Compact optical modulator |
07/17/2008 | WO2008084620A1 Optical signal synchronization sampling device, its method, optical signal monitor device used therefore, and its method |
07/17/2008 | WO2008084374A1 Cascaded optical amplifier and control method thereof |
07/17/2008 | WO2008083578A1 A service assembly method and system |
07/17/2008 | WO2008083575A1 An optical source link transmission device and method |
07/17/2008 | WO2007149213A3 Dwdm transport of catv and digital signals over optical fiber in low-dispersion spectral regions |
07/17/2008 | US20080170865 Method for processing overhead of optical network and device thereof |
07/17/2008 | US20080170864 Optical device and optical modulation method |
07/17/2008 | US20080170863 Apparatus and method for visible light communication |
07/17/2008 | US20080170862 Monitoring Polarization Of A Signal Communicated According To Polarization Multiplexing |
07/17/2008 | US20080170861 Method and system for compensating for optical dispersion in an optical signal in a hybrid optical network |
07/17/2008 | US20080170860 Method for Transferring Data Packets |
07/17/2008 | US20080170859 System and method for multi-rate, high-sensitivity clock and data recovery with adjustable decision threshold, RF input, and optical-to-electrical conversion |
07/17/2008 | US20080170858 Optical Pulse Source for Use in Broadband Photonic Communication Systems |
07/17/2008 | US20080170857 System and Method for Establishing Protected Connections |
07/17/2008 | US20080170855 Optical switch apparatus and optical switching system |
07/17/2008 | US20080170853 System for low noise aggregation in DOCSIS contention slots in a shared upstream receiver environment |
07/17/2008 | US20080170852 Wire emulation through a network for propagation of failure information |
07/17/2008 | US20080170641 Method, apparatus and system for high-speed transmission on fiber optic channel |
07/17/2008 | US20080170290 Raman amplifying device and raman amplifying system |
07/17/2008 | US20080170286 Supervisory control light transmitting method for a wavelength division multiplexing transmission system and wavelength division multiplexing transmission apparatus |
07/17/2008 | DE202008005029U1 Digital gesteuertes analoges WahWah-Effektgerät The digitally controlled analog wah effect device |
07/17/2008 | DE102007006211B3 Hetero-junction pin photodiode data transmission i.e. high-speed optical data transmission, has doped window layer made of p-doped indium aluminum arsenide with high band gap, and protective coating made of n or p-doped indium phosphide |
07/17/2008 | CA2636186A1 Optical signal synchronization sampling device, its method, optical signal monitor device used therefore, and its method |
07/16/2008 | EP1944894A2 Optical transmitter, optical transmission method, and wavelength-selective variable delayer |
07/16/2008 | EP1944886A1 Fiber optic cabling for multi-dwelling unit (mdu) and commercial building deployments |
07/16/2008 | EP1944592A2 Optical-phase monitoring apparatus and optical-phase monitoring method |
07/16/2008 | EP1943757A2 Methods and systems for avoiding transmission-channel disruptions |
07/16/2008 | EP1943756A1 Communication systems |
07/16/2008 | EP1943755A2 Methods and apparatus for optical transmission of digital signals |
07/16/2008 | CN201087948Y Infrared switching equipment of radio microphone |
07/16/2008 | CN101223715A 光网络监测器pcb Optical network monitor pcb |
07/16/2008 | CN101222523A Multi-parameter optical fiber optical grating wireless sensor network |
07/16/2008 | CN101222279A 无源光网络系统和波长分配方法 Passive optical network system and wavelength allocation method |
07/16/2008 | CN101222278A Method and system for detecting ascending time slot collision of optical network unit |
07/16/2008 | CN101222277A Optical channel power automatic equalization method of WSS type ROADM node equipment |
07/16/2008 | CN101222136A Optical fibre differential protection method |
07/16/2008 | CN100403666C A method and an apparatus for signal transmission |
07/16/2008 | CN100403660C Dual-fiber optical multiplexing section sharing protective ring protecting method and its node device |
07/15/2008 | US7400836 Optical receiving device and optical receiving method |
07/15/2008 | US7400835 WDM system having chromatic dispersion precompensation |
07/15/2008 | US7400834 Optical space transmission apparatus and optical space communication system |
07/15/2008 | US7400831 Method of detecting the presence of cross-talk and apparatus therefor |
07/15/2008 | US7400830 Quality monitoring method and apparatus for wavelength division multiplexed optical signal and optical transmission system using the same |
07/15/2008 | US7400829 Transmission apparatus and path selection method of a transmission apparatus |
07/15/2008 | US7400828 Fault protection in networks |
07/15/2008 | US7400807 Apparatus and method for a waveguide with an index profile manifesting a central dip for better energy extraction |
07/15/2008 | US7400801 Bidirectional HDCP module using single optical fiber and waveguide combiner/splitter |
07/15/2008 | US7400572 System and method for contention based tones in a multipoint-to-point orthogonal frequency division multiplexing system |
07/15/2008 | US7400444 Optical amplifier and control method for optical amplifier |
07/15/2008 | US7400443 Method and apparatus for optical amplifying device gain control with gain threshold |
07/15/2008 | US7400441 Optical amplifier, optical amplification repeater and pump light supply control method |
07/15/2008 | US7400440 Method and system for determining gain for an optical signal |
07/15/2008 | US7400387 Method for monitoring an optical transmission line, corresponding measuring device and optical transmitter |
07/15/2008 | CA2634671A1 Optical signal quality monitoring apparatus and method |
07/15/2008 | CA2311365C Crosstalk reduction in a bidirectional optical link |
07/10/2008 | WO2008083314A1 Redundant channel implementation to extend optical transceiver lifetime and reliability |
07/10/2008 | WO2008083291A1 Configurable post-amplifiers that are capable of being configured to perform either substantially linear or limiting amplification for use in optical receivers |
07/10/2008 | WO2008082469A1 Low-ripple optical device |
07/10/2008 | WO2008081545A1 Optical transmission device and optical transmission method |
07/10/2008 | WO2008081538A1 Optical amplifier and its error detection method |
07/10/2008 | WO2008081138A2 Energy transfer through optical route for charging an electric device |
07/10/2008 | WO2008081135A2 Method for mapping of an optical access network |
07/10/2008 | WO2008081065A2 Homodyne receiver for optical communications with a posteriori processing |
07/10/2008 | WO2008080636A1 Improvements in or relating to the sampling of optical signals |
07/10/2008 | WO2008080344A1 Fiber amplifier, fabricating method thereof and fiber communication system |
07/10/2008 | WO2008080299A1 40 gb/s transponder module with rf adaptors |
07/10/2008 | WO2008080263A1 A method for measuring relative time delay of data service in optical transmitting network |
07/10/2008 | WO2008080251A1 A hierarchical routing query method of automatic switched optical network |
07/10/2008 | US20080166988 Dual Antenna System Having One Phase Lock Loop |
07/10/2008 | US20080166136 Dual-lensed unitary optical receiver assembly |
07/10/2008 | US20080166135 Method for setting power control initial value using indication light in visible light communications and transmission/receive apparatus using the same |
07/10/2008 | US20080166134 Optical Transmitter Having a Widely Tunable Directly Modulated Laser and Periodic Optical Spectrum Reshaping Element |
07/10/2008 | US20080166133 Optical network remote power supply system for remote switching unit |
07/10/2008 | US20080166132 Method and Apparatus for Performing Laser Operations Downhole |
07/10/2008 | US20080166131 Parametric monitoring of optoelectronic modules on host system |
07/10/2008 | US20080166128 Optical apparatus using polarized orthogonal control |
07/10/2008 | US20080166127 Passive optical network system and wavelength assignment method |
07/10/2008 | US20080166126 Device and Method for Decoding an Optical Multi-Level Dpsk Signal |
07/10/2008 | US20080166125 Method for Establishing a Subscriber Connection and a System Utilizing the Method |
07/10/2008 | US20080166124 System and method for performing high-speed communications over fiber optical networks |
07/10/2008 | US20080166120 Acoustic Modulation |
07/10/2008 | US20080166119 Optical network unit for error detection and recovery of optic module and control method thereof |
07/10/2008 | US20080166087 Modular all-optical cross-connect |
07/10/2008 | US20080165365 Optical-phase monitoring appratus and optical-phase monitoring method |
07/10/2008 | US20080165310 Infrared signal receiver, liquid crystal display and optical element |
07/10/2008 | US20080164863 Sampling of Optical Signals |
07/09/2008 | EP1942598A2 Method and system for controlling a remote node in a TDD optical repeater |
07/09/2008 | EP1942590A1 Coherent optical receiver and method of compensating polarisation distortion effects in optical signals |
07/09/2008 | EP1941663A1 Method for establishing a subscriber connection and a system utilizing the method |
07/09/2008 | EP1941635A1 Transmission of audio signals via fibre optic |
07/09/2008 | EP1573679B1 Infrared (ir) communication device for motor vehicles |
07/09/2008 | CN201083853Y Metal anti-dust cap for optical fibre transceiver |
07/09/2008 | CN101218767A Phase monitoring device, phase control device of optical DQPSK receiver and its method |
07/09/2008 | CN101218760A Point-to-point telecom system |
07/09/2008 | CN101217826A A device and method realizing operation access of different modes |