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)
11/2002
11/06/2002CN2520073Y Light power monitoring measuring unit
11/06/2002CN2520072Y Light receiving/transmitting module
11/06/2002CN2520071Y Light receiving/transmitting module
11/06/2002CN1378760A Optical data interface for wireless phones
11/06/2002CN1378729A Connection of ADD/DROP node
11/06/2002CN1378353A Device for raising business protection capacity of optical transmission equipment network
11/06/2002CN1378095A Light adjustable oscillator
11/06/2002CN1094008C News packet routing
11/06/2002CN1094007C Self-heating network
11/06/2002CN1094004C Portable direction receiver and system utilizing said receiver
11/05/2002US6477391 Mobile telephone holding device
11/05/2002US6477354 Communication system transmitting modulated orthogonal carries with service units that scan spectrum to identify assigned band
11/05/2002US6477311 Method and device for selecting light source for optical communication
11/05/2002US6476954 Optical communication device and receiving circuit thereof
11/05/2002US6476953 Wavelength preserving regenerator for DWDM transmission systems
11/05/2002US6476952 Phase-modulated fiber optic telecommunications system
11/05/2002US6476951 Use of mode coupled optical fiber in communications systems
11/05/2002US6476950 Method for optical signal transmission with chromatic dispersion compensation through chirped optical fibre gratings, and optical communication system using the method
11/05/2002US6476949 Dispersion compensation in optical fibre transmission
11/05/2002US6476947 Process and apparatus for maximizing a software component and minimizing a hardware component of an infrared code
11/05/2002US6476946 Channel add and drop method and system for wavelength-division multiplex optical transmission
11/05/2002US6476945 Wavelength allocation in a ring
11/01/2002CA2383722A1 A raman amplifier
10/2002
10/31/2002WO2002087128A1 A network and method for transmitting reverse analog signals by sub-sampling the digital reverse bandwidth
10/31/2002WO2002087127A1 Optical cwdm-system
10/31/2002WO2002087119A2 Optical signal transmitter
10/31/2002WO2002087118A1 Polarization diversity detector mask selection algorithm
10/31/2002WO2002087117A1 Method and apparatus for re-acquisition after link disruption in an optical wireless link
10/31/2002WO2002087116A1 System and method for embedding control information within an optical wireless link
10/31/2002WO2002087115A1 Burst-mode analog transmitter
10/31/2002WO2002087091A2 Burst-mode digital transmitter
10/31/2002WO2002086556A2 Optical wireless communication system with multiple receivers
10/31/2002WO2002086555A2 Method and apparatus for aligning optical wireless links
10/31/2002WO2002086554A2 Dynamic range and redundant pump wavelenght combining for raman optical amplifier
10/31/2002WO2002086553A2 Pump assembly employing coupled radiation sources
10/31/2002WO2002086551A2 System for acquiring and maintaining reliable optical wireless links
10/31/2002WO2002086522A1 An optical network architecture with reduced equipment
10/31/2002WO2002058284A9 Window-mounted free-space optical wireless communication system
10/31/2002WO2002058283A3 Optical pre-amplifier apparatus and method for performing gain control
10/31/2002WO2001097487A3 Automatic assignment of addresses to nodes in a network
10/31/2002WO2001061888A9 Electrical detector for adaptive control of chromatic dispersion in optical systems
10/31/2002WO2001050172A9 An optical router including bistable optical switch and method thereof
10/31/2002US20020160729 System and method for wireless data exchange between an appliance and a handheld device
10/31/2002US20020160714 Wireless music system
10/31/2002US20020160709 Wireless music system
10/31/2002US20020160233 Magnetic recording medium and magnetic recording apparatus using the same
10/31/2002US20020159719 Optical-fiber supporting member and optical transmission device using the same
10/31/2002US20020159701 Variable dispersion compensator and optical transmission system
10/31/2002US20020159694 Optical power device protector and optical transmission system using it, and method for protecting optical power device
10/31/2002US20020159690 Optical multiplexer/demultiplexer with three waveguides
10/31/2002US20020159689 Optical fiber transmission- line
10/31/2002US20020159687 Soliton pulse transmission over waveguide fiber lengths
10/31/2002US20020159686 Optical channel selector
10/31/2002US20020159679 Method and apparatus for providing gain equalization to an optical signal in an optical communication system
10/31/2002US20020159672 Adjustable dispersion compensators, adjustable optical filters, and control signals and strain applicators therefor
10/31/2002US20020159670 Fast-adapting PMD compensator
10/31/2002US20020159136 Very low noise figure optical amplifier devices
10/31/2002US20020159135 Single parameter gain slope adjuster for an optical system
10/31/2002US20020159134 Apparatus and method for a self adjusting raman amplifier
10/31/2002US20020159133 Pump light source for raman amplifier and raman amplifier using the same
10/31/2002US20020159132 Enabler of large raman gain on small effective area fibers
10/31/2002US20020159130 Transponder and wavelength division-multiplexing optical transmission equipment
10/31/2002US20020159121 Programmable optical vector modulator and method for use in coherent optical communications
10/31/2002US20020159119 Method and system for providing dispersion and dispersion slope compensation
10/31/2002US20020159118 Base station apparatus provided with array antennas
10/31/2002US20020159117 Optical add/drop device
10/31/2002US20020159116 Optical transmission system and optical transmitter used therein
10/31/2002US20020159113 Alarm control system and method
10/31/2002US20020159112 Device and method for reducing polarization dependent loss in an optical monitor device
10/31/2002US20020159051 Method for optical wavelength position searching and tracking
10/31/2002US20020158792 Signal processing arrangement
10/31/2002US20020158191 Chromatic dispersion discriminator
10/31/2002DE10213394A1 LED control system compensates light signal for ambient light by periodically sampling ambient light and generating ambient light signal that is subtracted from light signal
10/31/2002DE10203875A1 Optical signal receiver comprises photodiode and absorption filter made of semiconductor with direct band junction
10/31/2002DE10121025A1 Schnell adaptierender PMD-Kompensator Quick adaptierender PMD compensator
10/30/2002EP1253732A2 Fast adaptive PMD-kompensator
10/30/2002EP1253731A1 Method and transmission system to optimise the transmission characteristics of an optical wavelength division multiplex system
10/30/2002EP1253730A2 Method and system for optical spectrum analysis with matched filter detection
10/30/2002EP1253729A2 Reducing scintillation effects for optical free-space transmission
10/30/2002EP1253687A1 Self-adjustable tunable filter
10/30/2002EP1252793A2 Transparent optical switch
10/30/2002EP1252792A2 Linear optical transmission system with failure protection
10/30/2002EP1252791A1 Optical cross-connect
10/30/2002EP1252730A1 Point to point optical link
10/30/2002EP1252729A1 Attenuator integrated with modulator and transmitting module for wdm system using the same
10/30/2002EP1252544A1 Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion
10/30/2002EP1157289A4 Wireless optical communications without electronics
10/30/2002EP1018229B1 Device for transmission of optical signals and monitoring signals
10/30/2002EP0712552B1 Optical fibre communications system
10/30/2002CN2519544Y Optical transmission module
10/30/2002CN1377475A Liquid crystal matrix add/drop system
10/30/2002CN1377471A Dispersion and dispersion slope compensated fiber link
10/30/2002CN1377160A Method for implementing high-speed data multiplexing in framing device
10/30/2002CN1377154A Multi-wavelength optical albel transceiver based on wavelength-time encode method
10/30/2002CN1377147A Single-photon router
10/30/2002CN1376945A Polarized light interference method for comb-shaped sub-wave
10/30/2002CN1376908A Optical fibre circuit failure tester
10/29/2002US6473550 Optical fiber transmission-line
10/29/2002US6473549 Multi-stage fiber amplifier with flattened gain curves
10/29/2002US6473225 Light amplifier device
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