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)
11/2007
11/06/2007US7292789 Multi-channel wide-field laser communications method and apparatus
11/06/2007US7292788 Multi-beam laser communications system and method
11/06/2007US7292787 Selected-wavelength tuning filter and optical add/drop multiplexer
11/06/2007US7292785 Optical transmission system constructing method and system
11/06/2007US7292784 High speed optical routing apparatus and method
11/06/2007US7292748 Dispersion-compensating system
11/06/2007US7292744 Optical connection device and optoelectronic hybrid apparatus including the same
11/06/2007US7292646 Apparatus and method for synchronous demodulation
11/06/2007US7292604 Device and method for efficient delivery of redundant national television signals
11/06/2007US7292322 Method for increasing accuracy of measurement of mean polarization mode dispersion
11/06/2007US7290945 Electromagnetic inductive shield
11/06/2007US7290942 Optical transceiver modules
11/06/2007CA2344115C Simultaneious single mode and multi-mode propagation of signals in a double clad optical fibre
11/06/2007CA2241304C Flotation cell fluid level control apparatus
11/06/2007CA2172761C Optical telecommunication method providing a transmitting and receiving service channel
11/01/2007WO2007123990A1 Electrical-optical cable for wireless systems
11/01/2007WO2007123748A2 Combined multi-frequency electromagnetic and optical communication system
11/01/2007WO2007123692A2 Detecting and minimizing effects of optical network faults
11/01/2007WO2007123084A1 Mobile optical communication system and mobile optical communicating method
11/01/2007WO2007122183A1 Protection device for removal of signal interference in a passive optical network
11/01/2007WO2007121651A1 A connection performance optimize method of the adaptive optical transmission network and device thereof
11/01/2007WO2007121633A1 A method for rapid rerouting when multiple ports sharing the transmission links
11/01/2007WO2007121624A1 Single-arm bail type unlocking device for opto-electronic module
11/01/2007WO2007104417A3 Data transmission in a system comprising structural textile units
11/01/2007WO2006067789A3 Device, system and method of transferring information over a communication network including optical media
11/01/2007WO2005055436A3 Transceiver for optical transmission
11/01/2007WO2004063698A3 System for detection of wafer defects
11/01/2007US20070254694 Camera-Equipped Cellular Terminal for Visible Light Communication
11/01/2007US20070253719 Wide dynamic range sensor signal processing method & circuitry for analog and digital information signals
11/01/2007US20070253718 Optical Add/Drop Amplification Device
11/01/2007US20070253717 Optical Elements for Waveguide-based Optical Touch Screens
11/01/2007US20070253716 Optical wireless transmission system
11/01/2007US20070253715 Wireless communication system with high efficiency/high power optical source
11/01/2007US20070253714 Optical Communication System for Wireless Radio Signals
11/01/2007US20070253712 Method for designing optical network, optical network, and computer readable medium
11/01/2007US20070253711 Processing of optical performance data in an optical wavelength division multiplexed communication system
11/01/2007US20070253664 Integration of a gain equalization filter in a gain medium
11/01/2007US20070253500 Method for multiple use subchannels
11/01/2007US20070253323 Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing
11/01/2007US20070253322 System for multiple use subchannels
11/01/2007CA2647500A1 Combined multi-frequency electromagnetic and optical communication system
11/01/2007CA2639905A1 Detecting and minimizing effects of optical network faults
10/2007
10/31/2007EP1741211B1 Method and apparatus for optical phase modulation
10/31/2007EP1735585B1 System and method for checking mechanical pieces, with wireless signal transmission
10/31/2007EP1472764B1 Method of configuring a laser operating system
10/31/2007EP1356619B1 Method and electro-optical circuit arrangement for line protection in a wdm data transmission link
10/31/2007EP1216532B1 Connection of an add/drop node
10/31/2007EP1079550B1 Space-division multiplex full-duplex local area network
10/31/2007DE102005042257B4 WLAN-Zugangsgerät für den Einsatz in gasgefährdeten Grubengebäuden Wi-Fi device for use in gas dangerous pit buildings
10/31/2007DE10144948B4 Verfahren zur Regelung einer Pumpeinrichtung bei optischer Verstärkung eines übertragenen Wellenlängen-Multiplex(-WDM)-Signals Method for controlling a pump device for optical amplification of a transmitted wavelength division multiplex (-WDM) signal
10/31/2007CN200969589Y Extraction controller
10/31/2007CN101065915A Bias-control for optical mach-zehnder modulators with voltage-induced optical absorption
10/31/2007CN101064568A Method and system for configuring electric relay
10/31/2007CN101064567A Optical transmitter and optical transmission system
10/31/2007CN101064566A Automatic detection apparatus and method for protecting switch function in optical transmission system
10/31/2007CN101064565A Method for controlling information transmission/reception in automatic exchange optical network and its system
10/31/2007CN101063731A Distributed feedback inhibition semiconductor optical amplifier
10/31/2007CN101063728A Suppression of transverse modes in bandgap microstructure optical fibers
10/31/2007CN100346589C Signal processing method in secret quantum communication system
10/31/2007CN100346365C Method and apparatus for compensating a photo-detector
10/31/2007CN100346195C 45 deg. Faraday rotator without adding bias magnetic field
10/30/2007US7289740 WDM regenerated transmission system
10/30/2007US7289739 Polarization mode dispersion controller device and method for its operation
10/30/2007US7289738 Quantum optical communications system
10/30/2007US7289737 Communication optical system and free-space optics communication apparatus
10/30/2007US7289736 Adaptive optics imaging system with object acquisition capability
10/30/2007US7289735 Apparatus for emitting light with controllable degree of polarization
10/30/2007US7289734 Method and system for multi-level power management in an optical network
10/30/2007US7289732 Broadcast/communication unified passive optical network system
10/30/2007US7289729 Optoelectronic marker for determining ownership of fiber optic cable
10/30/2007US7289728 Use of variable ratio couplers for network protection and recovery
10/30/2007US7289698 High bitrate transport over multimode fibers
10/30/2007US7289692 Fiber optic circuit board link
10/30/2007US7289262 Optical attenuator element, and variable optical equalizer and optical amplifier that use this optical attenuator element
10/30/2007US7289048 Duo-binary encoder and optical duo-binary transmission apparatus using the same
10/30/2007US7288754 Optical receiver
10/30/2007US7287917 System and method for installing and retaining I/O connector without tools
10/30/2007CA2431317C Fiber optic system including digital controller for fiber optic tunable filter and associated methods
10/25/2007WO2007120708A2 Optical multiplexer and transmitter
10/25/2007WO2007120011A1 Repeater interface unit and signal converting method thereof
10/25/2007WO2007119661A1 Receiver apparatus for use in optical space transmission system
10/25/2007WO2007119611A1 Visible light communication system
10/25/2007WO2007119610A1 Illuminating light communication device
10/25/2007WO2007119589A1 Optical transmission system and optical repeater
10/25/2007WO2007119350A1 Elevator system
10/25/2007WO2007119160A2 Off-axis rotary joint
10/25/2007WO2007027741A3 Transmission of pathological data patterns
10/25/2007WO2007005743A3 Bidirectional hdcp transmission module using single optical fiber
10/25/2007WO2006102271A3 Controlling loss of signal thresholds in an optical receiver
10/25/2007US20070248362 Optical communication device and quantum key distribution system using the same
10/25/2007US20070248361 Polarization scrambler, optical add/drop multiplexer, optical route switching apparatus and wavelength division multiplexing optical transmission system
10/25/2007US20070248360 Tables For Determining The Signal Strength Of A Received Signal In A Fibre Optics Transceiver
10/25/2007US20070248359 Multiport optical transceiver
10/25/2007US20070248358 Electrical-optical cable for wireless systems
10/25/2007US20070248357 Apparatus and method for adaptive adjustment and performance monitoring of avalanche photo-diode optical receiver and laser transmitter for fiber link long haul applications
10/25/2007US20070248299 Monolithic Transmitter Photonic Integrated Circuit (TxPIC) Semiconductor Chip
10/25/2007US20070248229 Quantum cipher communication system and method of setting average photon number at communication terminal
10/25/2007US20070248146 Methods and systems for tone hopping
10/25/2007US20070248130 Optical transmitter with a digitally controlled bias and modulation currents for a laser diode
10/25/2007US20070248001 Method and system for forward-looking tone allocation
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