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)
02/2006
02/28/2006US7006281 Shared variable gain amplifier for WDM channel equalization
02/28/2006US7006280 Multi-stage filtered optical amplifier
02/28/2006US7006279 Optical harmonic equalization control systems and methods
02/28/2006US7006278 Wavelength-division multiplexing optical transmission system and repeater station therein
02/28/2006US7006006 System and method for controlling home entertainment units with radio frequency and infrared signals
02/23/2006WO2006020695A2 Optical receiver with increased dynamic range
02/23/2006WO2006020682A1 Level detector for optical receivers
02/23/2006WO2006019369A2 A private and secure optical communication system using an optical tapped delay line.
02/23/2006WO2006019216A1 Optical transmission system of ring type
02/23/2006WO2006018952A1 Multimode optical transmission device
02/23/2006WO2006018941A1 Judgment circuit, gain adjustment circuit, signal processing circuit, and electric device
02/23/2006WO2006018592A1 Multimode fibre optical communication system
02/23/2006WO2006018589A1 Pulse electrically programmable generator, in particular a phase profiles and a very high-resolution intensity generator
02/23/2006WO2006017962A1 Method to protect human eyes in optical communication system
02/23/2006WO2004072690A3 Optical switch having an autorestoration feature for switching from a backup optical path to a primary optical path
02/23/2006US20060039706 Method and device for optical data transmission
02/23/2006US20060039705 Technique for photonic switching
02/23/2006US20060039704 Dynamic gain equalizer
02/23/2006US20060039703 Wavelength division multiplexing optical transmission system
02/23/2006US20060039701 Optical code division multiplexing communication method and system
02/23/2006US20060039700 Passive optical network
02/23/2006US20060039698 System and method of communications with traffic signals
02/23/2006US20060039697 Autonomous optical path management device
02/23/2006US20060039661 Fiber for compensation of the cumulative chromatic dispersion in a fibre with negative chromatic dispersion
02/23/2006US20060039656 Communications system employing single-mode lasers and multimode optical fibers
02/23/2006US20060039396 Communication system, communication apparatus and method for accommodating subscriber line
02/23/2006US20060039357 Optical communication system capable of providing analog telephone service
02/23/2006DE10360607B4 Verfahren und Anordnung zum Einfügen von Füllsignalen Method and apparatus for inserting Füllsignalen
02/23/2006DE102004037684A1 Vorrichtungen zur optischen Drehübertragung mit freiem Innendurchmesser Devices for optical rotation transmission with free inner diameter
02/23/2006DE10106138B4 Modulares Meß- und/oder Prüfgerät Modular measurement and / or tester
02/23/2006CA2573981A1 A private and secure optical communication system using an optical tapped delay line
02/22/2006EP1628475A1 Digital video signal interface module
02/22/2006EP1628423A1 Optical wavelength multiplex access system
02/22/2006EP1628418A2 Communication system, communication apparatus and method for accommodating subscriber line
02/22/2006EP1628417A2 Wavelength division multiplexing optical transmission system with dispersion compensation
02/22/2006EP1628416A1 Method and system for reducing power consumption of IRDA enabled handsets by turning on/off an IRDA port dynamically
02/22/2006EP1628150A1 Wavelength-tracking dispersion compensator
02/22/2006EP1627484A2 Method and system for determining the gain for an optical signal
02/22/2006EP1627483A1 A method for conveying management information
02/22/2006EP1627478A1 Power tilt compensation using automatic power balance
02/22/2006EP1627252A2 Inexpensive variable rep-rate source for high-energy, ultrafast lasers
02/22/2006EP1627249A2 Serial routing of optical signals
02/22/2006CN2760866Y Transmitted antenna and free space optical communication system using the same
02/22/2006CN2760865Y Infrared ray receiving device
02/22/2006CN2760864Y Base of free space optical communication equipment
02/22/2006CN2760581Y Optical fibre communication device for information, data transmission
02/22/2006CN1739315A Optical packet exchanger
02/22/2006CN1739124A Circuit arrangements and methods for a remote control receiver having a photodiode
02/22/2006CN1739047A Method and apparatus for providing controllable second-order polarization mode dispersion
02/22/2006CN1738222A Wavelength-tracking dispersion compensator
02/22/2006CN1738221A Device for producing low dithering dual wavelength ultrashort light pulse
02/22/2006CN1738220A Method for realizing eyes protection in optical communication system
02/22/2006CN1738219A Transmitter, receiver, data transfer system, transmission method, reception method, computer program for transmission, computer program for reception, and recording medium
02/22/2006CN1738214A Inter-board channel protection device and method
02/22/2006CN1738213A Method for preventing error connection
02/22/2006CN1738118A Optical fibre raster outside cavity laser millimeter-wave generating machine
02/22/2006CN1737870A Method and system for reducing power consumption of IrDA enabled handsets
02/22/2006CN1737639A Adjustable light power distribution method based on nanometer grating and distributor thereof
02/22/2006CN1737622A Latching mechanism of plug-able optical module
02/22/2006CN1737619A Optical duplexer and optical triplexer
02/21/2006US7003301 Communication system, communication method and mobile terminal
02/21/2006US7003231 Method and apparatus for interleaved optical single sideband modulation
02/21/2006US7003230 Coupling mechanism for an optical transceiver housing
02/21/2006US7003228 Method and apparatus for improved high-speed adaptive equalization
02/21/2006US7003227 Node structure of upgradable wavelength division multiplexing system
02/21/2006US7003226 Wavelength division multiplex optical transmission system
02/21/2006US7003225 Survivable ring transmission system with multiple protection classes
02/21/2006US7003202 Method and system for measuring the wavelength dispersion and nonlinear coefficient of an optical fiber, method of manufacturing optical fibers, method of measuring wavelength-dispersion distribution, method of compensating for measurement errors, and method of specifying conditions of measurement
02/21/2006US7003180 Apparatus for providing timing jitter tolerant optical modulation of a first signal by a second signal
02/21/2006US7002909 Zero data loss network protection
02/21/2006US7002898 Asymmetrical transport of data
02/21/2006US7002735 Method for detecting disengagement of an optical fiber, an optical fiber amplifier, and a unit of an optical fiber amplifier with a transmission optical fiber
02/21/2006US7002734 Pre-amplifier gain setting method utilizing ASE light and WDM optical transmission apparatus employing the method
02/21/2006US7002733 Methods and devices for amplifying optical signals using a depolarizer
02/21/2006US7002724 Apparatus and method for generating a 90° alternate phase optical pulsetrain
02/21/2006US7002680 Method and apparatus for measuring waveforms and wavelengths of optical signals
02/21/2006US7002131 Methods, systems and apparatus for measuring average received optical power
02/21/2006CA2351713C Codes, methods, and apparatus for optical encoding and decoding
02/16/2006WO2006017851A2 Dispersion management in optical networks using a differential phase shift keying modulation format
02/16/2006WO2006017846A2 Low noise optical receiver
02/16/2006WO2006016537A1 Optical signal receiver
02/16/2006WO2006016191A1 Automatic bias control for an optical modulator
02/16/2006WO2006016148A1 An optical receiver and an optical transmission system incorporating the same
02/16/2006WO2006016124A1 Optical device for the collection of optical signals
02/16/2006US20060036831 Multiprocessor
02/16/2006US20060034622 Optical receiver with increased dynamic range
02/16/2006US20060034621 Transimpedance amplifier with integrated filtering and reduced parasitic capacitance
02/16/2006US20060034620 Low noise optical receiver
02/16/2006US20060034619 Level detector for optical receivers
02/16/2006US20060034618 Adaptive optical equalization for chromatic and/or polarization mode dispersion compensation
02/16/2006US20060034617 Module to module signaling
02/16/2006US20060034616 Automatic bias control for an optical modulator
02/16/2006US20060034615 Timing error reduction in QKD systems
02/16/2006US20060034614 Adaptive optical equalization for chromatic and/or polarization mode dispersion compensation and joint opto-electronic equalizer architecture
02/16/2006US20060034613 System and method of configuring fiber optic communication channels between arrays of emitters and detectors
02/16/2006US20060034612 Multi-data-rate optical transceiver
02/16/2006US20060034611 Method and system for reducing power consumption of IrDA enabled handsets by turning on/off an IrDA port dynamically
02/16/2006US20060034609 System and method of self-configuring optical communication channels between arrays of emitters and detectors
02/16/2006US20060034573 Method for compensating modal dispersion in multimode optical fiber transmission path
02/16/2006US20060032238 Optical transmitter with forward controlled peltier device