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)
03/2005
03/10/2005US20050052731 Optical amplifier control in wdm communications systems
03/10/2005US20050052730 Optical transmission systems and optical amplifiers for use therein
03/10/2005US20050052728 Distributed raman amplification
03/10/2005US20050052727 Optical performance monitoring using a semiconductor optical amplifier
03/10/2005US20050052408 Sight line inducing information display device, sight line inducing information display program and sight line inducing information display method
03/10/2005US20050052247 Triode region mosfet current source to bias a transimpedance amplifier
03/10/2005US20050052246 Fully integrated received signal strength indicator for a transimpedance amplifier
03/10/2005US20050052070 Eye diagram improving method for laser transmitter
03/10/2005CA2536176A1 All-optical wavelength converter based on sagnac interferometer with an soa at asymmetric position
03/10/2005CA2535898A1 Fiber optics transmission line
03/10/2005CA2521131A1 Optical path switching device
03/09/2005EP1513274A2 Control method of wavelength dispersion compensator, and wavelength dispersion compensator
03/09/2005EP1513273A2 Method and system for automatic feedback control for fine tuning a delay interferometer
03/09/2005EP1512236A2 Amplifiers for optical networks and method
03/09/2005EP1512235A1 Methods for transmitting and receiving laser signals, as well as transmitter and receiver which carry out said methods
03/09/2005EP1512234A1 Wireless infrared network transceiver and methods and systems for operating same
03/09/2005EP1512042A1 Device for optical signal transmission between two units that are displaced in relation to one another
03/09/2005EP1410536B1 Raman assisted edfa system and method
03/09/2005EP1396107B1 Optical communications system and method for transmitting point-to-point and broadcast signals
03/09/2005EP1334389B1 Device for the transmission of optical signals with improved transmission properties
03/09/2005EP0852857B1 Optical interface with safety shutdown
03/09/2005CN2684472Y Optical receiving-transmitting module
03/09/2005CN2684471Y Optical transmitter and receiver with embedded error code testing function
03/09/2005CN1593028A Free-space optical communication system employing wavelength conversion
03/09/2005CN1593027A Method and apparatus for transmission of upstream data in an optical network
03/09/2005CN1593024A Methods and apparatus for higher-order compensation of transmission distortions in optical transmission media
03/09/2005CN1593023A A cellular communication system employing wireless optical links
03/09/2005CN1593022A Optical shutter
03/09/2005CN1592448A System and method for showing documents by mobile phone
03/09/2005CN1592184A Apparatus and method for tracking optical wavelength in WDM passive optical network
03/09/2005CN1592183A Luminous power equalizer and method thereof
03/09/2005CN1592182A Method for measuring ageing link of single board
03/09/2005CN1592181A Transmitting timing controlling system node apparatus
03/09/2005CN1592160A Method for obtaining path with protective body in intelligent optical network
03/09/2005CN1592159A Method and apparatus for obtaining constrained path of loose routing in intelligent optical network
03/09/2005CN1592158A Asynchronous delay regulating method for passive optical fiber network
03/09/2005CN1592157A Optical signal regeneration device and corresponding method
03/09/2005CN1592155A System and method for free space signal transmission
03/09/2005CN1592154A Optical transceiver for reducing crosstalk
03/09/2005CN1591920A Light semiconductor device and optical signal input and output device
03/09/2005CN1591154A Low noise multi-wavelength light source and wavelength division multiplexing system using same
03/09/2005CN1591063A Connector with laser diode and its mfg. method
03/09/2005CN1192533C Optical channel power control in DWDM optical signal transmission system and its automatic gain controller
03/09/2005CN1192522C Power control in optical amplifier
03/09/2005CN1192521C Digital regulated light receiving module and its regulating method
03/09/2005CN1192520C Digital regulated light transmission module and regulating method thereof
03/09/2005CN1192264C 光学系统 The optical system
03/08/2005US6865390 Cellular communications system featuring a central radio pool/traffic router
03/08/2005US6865348 Optical transmission method, optical transmitter, optical receiver, and optical transmission system
03/08/2005US6865347 Optically-based location system and method for determining a location at a structure
03/08/2005US6865346 Fiber optic transceiver
03/08/2005US6865345 Frequency translating devices and frequency translating measurement systems that utilize light-activated resistors
03/08/2005US6865343 Simulation of electro-optical connections that takes spatial direction into consideration
03/08/2005US6865333 Visual alignment of multiple-reflector collimation system
03/08/2005US6865328 Positive dispersion optical fiber
03/08/2005US6865326 Optical transmission line and optical transmission system
03/08/2005US6865319 Optical structure for the compensation of chromatic dispersion in a light signal
03/08/2005US6865311 Re-configurable dispersion compensation module (RDCM)
03/08/2005US6865306 Optical device
03/08/2005US6865305 Adaptively controllable polarization mode dispersion compensator
03/08/2005US6865303 Method and apparatus for reducing multi-path interference in dispersion compensation systems
03/08/2005US6865016 Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied
03/08/2005US6865015 Method and transmission system for optimization of the transmission characteristics of an optical wavelength division multiplex system
03/08/2005US6864968 Method of measuring wavelength dispersion amount and optical transmission system
03/08/2005US6864634 Method and system for transmitting and displaying information on a wireless device using plastic electronics
03/08/2005US6864501 Photon source and method of its fabrication and operation
03/08/2005US6863451 Optical module
03/08/2005US6863403 Deep ultraviolet unit-magnification projection optical system and projection exposure apparatus
03/05/2005CA2480606A1 Fully integrated received signal strength indicator for a transimpedance amplifier
03/05/2005CA2480604A1 Triode region mosfet current source to bias a transimpedance amplifier
03/03/2005WO2005020481A1 Method and apparatus for reducing data burst overhead in an ethernet passive optical network
03/03/2005WO2005020480A1 Transimpedance amplifier with receive signal strength indicator
03/03/2005WO2005020479A2 Apparatus and methods for fiber optic link with built-in test
03/03/2005WO2005020478A1 Method, apparatus and system for minimally intrusive fiber identification
03/03/2005WO2005020394A2 Laser driver circuit
03/03/2005WO2005019970A2 Communication system and method for an optical local area network
03/03/2005WO2005019885A2 Dispersion compensated optical fiber transmission system and module including micro-structured optical fiber
03/03/2005WO2004051904A3 Infra red networking system and method
03/03/2005WO2002075446A8 Apparatus for providing timing jitter tolerant optical modulation of a first signal by a second signal
03/03/2005US20050050250 Computer system with modular optical devices
03/03/2005US20050047802 Post-detection, fiber optic dispersion compensation using adjustable infinite impulse response filter employing trained or decision-directed adaptation
03/03/2005US20050047801 Optical receiver circuit
03/03/2005US20050047800 Optical signal regeneration device and corresponding method
03/03/2005US20050047799 Method and apparatus to reduce second order distortion in optical communications
03/03/2005US20050047798 Method and apparatus for encoding optical power and non-payload data in an optical signal
03/03/2005US20050047797 Duobinary optical transmission device using at least one semiconductor optical amplifier
03/03/2005US20050047796 RF photonics residual error correction
03/03/2005US20050047795 Optical interconnect system and method of communications over an optical backplane
03/03/2005US20050047793 Scheme for reducing low frequency components in an optical transmission network
03/03/2005US20050047792 Optical transmission system and dispersion compensator
03/03/2005US20050047791 Dispersion compensation control method and apparatus thereof and optical transmission method and system thereof
03/03/2005US20050047790 Optical subscriber network system
03/03/2005US20050047789 Bidirectional multichannel optical telecommunication system
03/03/2005US20050047786 Control method of wavelength dispersion compensator, and wavelength dispersion compensator
03/03/2005US20050047785 Bi-directional wavelength division multiplexing passive optical network and method for allocating wavelength band
03/03/2005US20050047784 Apparatus and method for tracking optical wavelength in WDM passive optical network using loop-back light source
03/03/2005US20050047782 Method and apparatus for registering multiple remote nodes in an ethernet passive optical network
03/03/2005US20050047781 Method and system for automatically setting gain for an amplifier in an optical network
03/03/2005US20050047780 Method and system for automatic feedback control for fine tuning a delay interferometer
03/03/2005US20050047779 Post-detection, fiber optic dispersion compensation using adjustable inverse distortion operator employing trained or decision-based parameter adaptation (estimation)
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