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)
05/2006
05/23/2006US7050721 System having an impulse noise filter means
05/23/2006US7050720 Integrated memory mapped controller circuit for fiber optics transceiver
05/23/2006US7050719 Wavelength division multiplexing receiver for wavelength tracking
05/23/2006US7050718 Method of establishing communications in an all optical wavelength division multiplexed network
05/23/2006US7050695 Optical communication system
05/23/2006US7050683 Subsurface fibre optic cable network installation
05/23/2006US7050676 Optical signal encoding apparatus and decoding apparatus
05/23/2006US7050666 Optical receiver photonic integrated circuit (RxPIC) system
05/23/2006US7050665 Bidirectional, co-located laser and detector
05/23/2006US7050664 On-chip optical interconnection circuit, electro-optical device, and electronic apparatus
05/23/2006US7050658 Method and apparatus for reducing system deterioration caused by polarization effects
05/23/2006US7050221 Raman amplifier
05/23/2006US7049759 Circuitry and methods for improving the performance of a light emitting element
05/18/2006WO2006052075A1 Optical modulation method and system in wavelength locked fp-ld by injecting broadband light source using mutually injected fp-ld
05/18/2006WO2006051849A1 Optical transporting apparatus, optical transmission system, optical transporting method, and optical transmission method
05/18/2006WO2006051616A1 Bidirectional optical communication system
05/18/2006WO2006051262A1 Data communications system
05/18/2006WO2006014414A3 Filtering digital diagnostics information in an optical transceiver prior to reporting to host
05/18/2006WO2004111707A3 Converting signals in passive optical networks
05/18/2006US20060104647 Receiver circuit for a receiving element
05/18/2006US20060104646 Optoelectronic transmitting arrangement and optoelectronic receiving arrangement for parallel optical interconnects
05/18/2006US20060104645 Method and apparatus for transmitting high-frequency signals in optical communication system
05/18/2006US20060104644 Mobile communication terminal, apparatus for providing wire communications to the same and method thereof
05/18/2006US20060104643 Optical network for bi-directional wireless communication
05/18/2006US20060104642 Directional antenna
05/18/2006US20060104640 Wavelength division multiplexing apparatus
05/18/2006US20060104636 Optical network for bi-directional wireless communication
05/18/2006US20060103919 Large mode area fibers using higher order modes
05/18/2006US20060103545 Remote Controller Capable of Selectively Controlling a Plurality of Electric Appliances, Remote Control System and Method thereof
05/18/2006DE102004053640A1 Transmitting arrangement for modulated optical transmitting signal, has Fabry-Perot-Laser emitting comb-shaped spectrum with wavelengths, which have preset distance to each other and lie within stop band region of modulator
05/18/2006DE102004052150A1 Verfahren zur Überwachung einer optischen Übertragungsstrecke mittels einens optischen Verstärkers und optischer Verstärker hierfür A method for monitoring an optical transmission link by means of einens optical amplifier and an optical amplifier of this
05/18/2006CA2584976A1 Bidirectional optical communication system
05/18/2006CA2527624A1 Optical separation device and optical communications terminal comprising such a device
05/17/2006EP1657954A1 Transmitter of wireless microphone, receiver for wireless microphone, mobile information communication apparatus, and communication system for wireless microphone
05/17/2006EP1657834A1 Optical network termination apparatus with shared components and passive optical network system comprising same
05/17/2006EP1657833A1 Photoelectric detector
05/17/2006EP1656753A1 Transimpedance amplifier with receive signal strength indicator
05/17/2006EP1656752A1 Modulating a variable optical attenuator
05/17/2006EP1344337B8 Optically amplified receiver
05/17/2006EP1230683A4 I2c opto-isolator circuit
05/17/2006EP1142164B1 Method for adjusting the drive power of emitting diodes
05/17/2006CN2781694Y Infrared radio microphone controller
05/17/2006CN2781654Y One-way optical transmit-receive module power supply control circuit
05/17/2006CN2781403Y Long period fibre-optical raster stress mould
05/17/2006CN1774880A Optical fiber communication system using remote pumping
05/17/2006CN1774118A Switching method between optical channel and radio channel
05/17/2006CN1774094A A radio base station system and its transmitting and receiving information method
05/17/2006CN1773899A Line attenuation adaptive and channel equalization automatic regulating method for optical division differential multiplexing equipment
05/17/2006CN1773874A Terminal with moving bank function and control method thereof
05/17/2006CN1773317A Optical transmission module and manufacturing method thereof
05/17/2006CN1256822C Light power automatic control method
05/17/2006CN1256820C Multi-wavelength locking device
05/17/2006CN1256613C High density, rectangular deep etched crystal raster
05/16/2006US7047496 Method for visualization of optical network topology
05/16/2006US7047028 Optical fiber coupling configurations for a main-remote radio base station and a hybrid radio base station
05/16/2006US7046935 System for reducing the influence of polarization mode dispersion in high-speed fiber optic transmission channels
05/16/2006US7046934 Optical communication system using a high altitude tethered balloon
05/16/2006US7046933 Optical communications system
05/16/2006US7046932 Channel allocation apparatus of OSU in WDM system
05/16/2006US7046931 Method for providing high connectivity communications over a packet-switched optical ring network using composite packets
05/16/2006US7046930 Optical communication system
05/16/2006US7046929 Fault detection and isolation in an optical network
05/16/2006US7046928 Link discovery and verification using loss of light
05/16/2006US7046883 Phase and polarization insensitive gates and switches
05/16/2006US7046872 Optical switch, optical add-drop module, and optical communication system
05/16/2006US7046871 Optoelectronic transmission module and fabrication method thereof
05/16/2006US7046869 Integrated circuit
05/16/2006US7046716 Dual-mode ultra wideband and wireless local area network communications
05/16/2006US7046432 Optical fiber coupling arrangement
05/16/2006US7046430 Optical transmission systems including signal varying devices and methods
05/16/2006US7046429 Method and system for span optical power control
05/16/2006US7046426 Method for determining locations and gain settings of amplifiers in an optical network
05/16/2006US7046349 Optical interrogation system and sensor system
05/16/2006US7046274 Digital camera and method of recycling digital camera
05/16/2006US7046092 Amplifier circuit having signal detection function
05/16/2006US7045762 Photocurrent-to-voltage conversion apparatus including non-diode-connected clamping MOS transistor
05/16/2006US7044949 Smart recognition apparatus and method
05/16/2006CA2367567C Digital return path for hybrid fiber/coax network
05/15/2006CA2524911A1 Q-modulated semiconductor laser with electro-absorptive grating structures
05/11/2006WO2006050146A2 Transceiver based loop back initiation
05/11/2006WO2006050067A2 System and method for providing two-way communication of quantum signals, timing signals, and public data
05/11/2006WO2006049903A2 Systems and methods for providing diagnostic information using edc transceivers
05/11/2006WO2006049279A1 Optical fiber, transmission system and multiple-wavelength transmission system
05/11/2006WO2006049075A1 Encoder/decoder for optical cdma
05/11/2006WO2006048944A1 Optical transmitter and optical communication system
05/11/2006WO2006048367A1 Compensation of gain variations in a multistage optical amplifier
05/11/2006WO2006047955A1 Protective switching method for the node of the resilient packet ring network and the device thereof
05/11/2006WO2006002080A3 Optical communication using duobinary modulation
05/11/2006WO2005106546A3 COOLERLESS AND FLOATING WAVELENGTH GRID PHOTONIC INTEGRATED CIRCUITS (PICs) FOR WDM TRANSMISSION NETWORKS
05/11/2006US20060099850 Signal transmission device and method for transfer of signals between two elements moving relative to one another using an optically-readable strip conductor
05/11/2006US20060098991 Optical communications apparatus
05/11/2006US20060098990 Maximising power in optical communication networks
05/11/2006US20060098989 System for minimizing or compensating pmd-induced distortion in optical transmission systems and transmission fibres in particular
05/11/2006US20060098988 Dispersion compensating device and optical transmission system
05/11/2006US20060098987 Optical transmission network designing method employing wavelength multiplexed transmission system
05/11/2006US20060098986 Optical receiver for reducing optical beat interference and optical network including the optical receiver
05/11/2006US20060098985 Optical signal transmission device and signal transmission system using such a device
05/11/2006US20060098984 Optical signal communication apparatus and optical signal communication system employing the optical signal communication apparatus
05/11/2006US20060098980 Apparatus and method for monitoring optical signal-to-noise ratio
05/11/2006US20060098924 Compact optical transceivers including thermal distributing and electromagnetic shielding systems and methods thereof