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)
08/2003
08/05/2003US6603910 Method and system for generating a broadband spectral continuum and continuous wave-generating system utilizing same
08/05/2003US6603899 Optical bus
08/05/2003US6603890 Compensation for polarization-mode dispersion in multiple wavelength-division multiplexed channels without separate composition for each individual channel
08/05/2003US6603865 System for optically performing position detection and data communication
08/05/2003US6603822 Communicating errors in a telecommunications system
08/05/2003US6603598 Optical amplifying unit and optical transmission system
08/05/2003US6603596 Gain and signal level adjustments of cascaded optical amplifiers
08/05/2003US6603594 Multi-stage optical amplifier and broadband communication system
08/05/2003US6603593 Optical transmission link including raman amplifier
08/05/2003US6603587 Optical amplifier repeater
08/05/2003US6603586 System and method supporting optical communications
08/05/2003US6603585 Multiple-wavelength optical communication system with optical amplifiers
08/05/2003US6603584 System and method for bi-directional optical communication
08/05/2003US6603112 Method and apparatus for detecting malfunctions in communication systems
08/05/2003US6603110 Temperature compensating circuit, temperature compensating logarithm conversion circuit and light receiver
08/05/2003US6602002 High capacity optical transmission arrangement
08/05/2003US6602001 Remote control system and remote control transmitter for use in the same
08/05/2003US6602000 Reconfigurable add/drop for optical fiber communication systems
07/2003
07/31/2003WO2003063401A2 Methods and apparatuses to provide a wavelength division-multiplexing passive optical network based on wavelength-locked wavelenght-division- multiplexed light sources
07/31/2003WO2003063400A2 Method for securing an optical telecommunication ring network
07/31/2003WO2003063393A1 Alignment method of the optical transmitter and receiver in the optical wireless communication system
07/31/2003WO2003063392A2 Method and system for multi-level power management of an optical network including automatic initialization
07/31/2003WO2003063391A2 System and method for communicating with an appliance through a light emitting diode
07/31/2003WO2003063390A2 Appliance communication method and apparatus
07/31/2003WO2003063365A2 Filtering noise in optical signal transmission
07/31/2003WO2003063333A1 Current sensing methods and apparatus in an appliance
07/31/2003WO2003062885A1 Modular multiplexing/demultiplexing units in optical transmission systems
07/31/2003WO2003062884A1 Infrared communications link with attachment configuration
07/31/2003WO2003062865A2 System and method of transmitting optical signals
07/31/2003WO2003061449A1 Appliance control methods and apparatus
07/31/2003WO2003028254A3 Method and apparatus for higher-order compensation of transmission distortion in optical transmission media
07/31/2003WO2003001708A9 Tunable chromatic dispersion compensation
07/31/2003WO2002086553A3 Pump assembly employing coupled radiation sources
07/31/2003WO2002048991A3 Method for determining current location-specific information of individuals, transmitting-receiving system, and receiver for carrying out the method
07/31/2003WO2002003123A3 Optical tapped delay line
07/31/2003US20030144041 Calibration method for station orientation
07/31/2003US20030143947 System and method for daisy-chained optical repeaters
07/31/2003US20030142984 Optical communication circuit chip, optical/electrical common transmission apparatus, optical transmission apparatus, and electric apparatus using same
07/31/2003US20030142983 Method and apparatus for browsing objects in a user's surroundings
07/31/2003US20030142982 Appliance control communication methods and apparatus
07/31/2003US20030142981 Optical apparatus using a phase grating
07/31/2003US20030142980 Optical communication network and optical communication network designing method used therefor
07/31/2003US20030142978 Method for decreasing and compensating the transmission loss at a wavelength-division-multiplexed passive optical network and an apparatus therefor
07/31/2003US20030142976 Supervisory signalling for optical communications equipment
07/31/2003US20030142941 Dispersion slope compensating optical waveguide fiber
07/31/2003US20030142939 Unit for compensating the chromatic dispersion in a reconfigurable manner
07/31/2003US20030142899 Optical signal switching unit
07/31/2003US20030142896 Optical waveguide board and optical module
07/31/2003US20030142622 Data transmission system and data transmission method
07/31/2003US20030142394 Method and contrivance for applying a Raman amplification in a transmission and/or fibre device
07/31/2003US20030142391 Optical amplification apparatus
07/31/2003US20030142384 Optical transmission apparatus
07/31/2003US20030142378 Apparatus for optical communications
07/31/2003DE29522427U1 Electro-optical fibre=optic interconnection module for data transfer between appts. - includes surface mounting type connector coupled to mother board of host computer, laser diode semiconductor integrated circuit and laser diode module
07/31/2003CA2473617A1 Infrared communications link with attachment configuration
07/30/2003EP1331748A2 Method of securing an optical ring telecommunication network and amplified communication node and traffic concentrator
07/30/2003EP1331745A1 Apparatus and method for 3R regeneration of optical signals
07/30/2003EP1331593A1 Optical connection device for a computer
07/30/2003EP1330882A2 System and method for wireless data exchange between an appliance and a handheld device
07/30/2003EP1266248A4 Method and apparatus for estimating chromatic dispersion in fibre bragg gratings
07/30/2003EP1175743A4 Intrinsic securing of fibre optic communication links
07/30/2003EP0907993B1 Optical amplifier modules
07/30/2003EP0897547A4 Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion
07/30/2003CN2563848Y Optic transmission system
07/30/2003CN2563591Y Optical path mixing device
07/30/2003CN1433639A System and method for transmitting data on return path of cable television system
07/30/2003CN1433601A Wavelength dispersion compensation module and optical transmission system including the same
07/30/2003CN1433221A Controller for connection between system unit and monitor unit connected in digital display interface specifications
07/30/2003CN1433181A Non-uniform light waveband convergence device and divergence device and layer mixing light cross-linking system
07/30/2003CN1433162A Global positioning system receiver with infrared transmission
07/30/2003CN1433161A Data transmitting method and circuit for medium access control interface in APON system
07/30/2003CN1432843A Light filter and transmission system with the light filter
07/30/2003CN1432831A Variable light delay line and its usage
07/30/2003CN1116719C Optical circuit of producing light for laser on multiple wavelength
07/29/2003WO2004064210A1 Apparatus and method for measurement of dynamic laser signals
07/29/2003US6600899 Method and system for transmitting short messages to a portable IR transceiver
07/29/2003US6600855 Reflection suppression in multiple-reflector collimation system
07/29/2003US6600852 Wavelength selective device and switch and method thereby
07/29/2003US6600797 Phase frequency synchronism circuit and optical receiver
07/29/2003US6600596 Method and system for controlling amplifier power in an optical communications network having add/drop capability
07/29/2003US6600594 Intelligent variable optical attenuator with controller and attenuation calibration
07/29/2003US6600593 Method and an apparatus for amplitude equalization of a plurality of optical signals
07/29/2003US6600592 S+ band nonlinear polarization amplifiers
07/29/2003US6600588 Reciprocating optical modulation system
07/29/2003US6600584 Multiplex optical communication system
07/29/2003US6600582 Optical add/drop wavelength switch
07/29/2003US6600581 Connection verification in optical cross-connect arrangements
07/29/2003US6599039 Optical transmission monitoring apparatus, optical transmission monitoring method, optical amplification system, method of controlling optical amplification system, and optical transmission system
07/29/2003US6599038 Passive remote loop-back method and apparatus for optical circuit verification
07/29/2003CA2475850A1 Apparatus and method for measurement of dynamic laser signals
07/24/2003WO2003061329A2 Method and hybrid optical-electronic switching node for optimizing use of optical bandwidth
07/24/2003WO2003061328A2 Device and method for switching optical data for optical communication networks
07/24/2003WO2003061164A2 Dispersion compensation in optical communications systems
07/24/2003WO2003061163A1 A method and apparatus for controlling optical signal power
07/24/2003WO2003061162A1 Optical surge suppressing circuit, and optical surge suppressing method
07/24/2003WO2003061161A2 Transmission system
07/24/2003WO2003061160A1 Phase modulation circuit, test apparatus, and communication system
07/24/2003WO2003061140A2 Wdm optical transmission system with passive hub
07/24/2003WO2003061083A1 Multi-wavelength ring laser source
07/24/2003WO2003061081A2 Method for configuring a laser operating system
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