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)
09/2003
09/16/2003US6619864 Optical channel monitor with continuous gas cell calibration
09/16/2003CA2298408C Method of optical signal transmission with reduced degradation by non-linear effects
09/13/2003CA2421545A1 Multiplex transmission system for reporting alert information to the conversion device on the receiving side without using a dedicated frame
09/12/2003WO2003075493A2 Optical free-space signalling system
09/12/2003WO2003075492A2 Optoelectronic communications system
09/12/2003WO2003075491A2 Optical free space alignment system
09/12/2003WO2003075490A1 Optical pulse analyzer
09/12/2003WO2003075064A2 Fiber optic communication module and method for operating such a module
09/12/2003WO2003074983A1 Method and arrangement for improving measuring quality during the operation of electro-optical mixing devices
09/12/2003WO2003057221A9 Optical free space signalling system
09/12/2003WO2003052994A3 High data rate wireless communication system
09/12/2003WO2003009527A3 Access node for multi-protocol video and data services
09/12/2003WO2003007023A3 Control architecture and method for optical amplifiers
09/12/2003WO2003003788A3 Supplemental audio content system with wireless communication for a cinema and related methods
09/12/2003WO2002045297A9 Optical communications using multiplexed single sideband transmission and heterodyne detection
09/12/2003WO2002004956A3 Method of identifying conformation-sensitive binding peptides and uses thereof
09/11/2003US20030171108 Method and arrangement for noise rejection in a receiver circuit
09/11/2003US20030170035 Optical transmission apparatus
09/11/2003US20030170034 Optical transmitter
09/11/2003US20030170033 System and method for communicating with an appliance through a light emitting diode
09/11/2003US20030170032 Data transmission method in gigabit ethernet passive optical network
09/11/2003US20030170031 Optical wireless communication system
09/11/2003US20030170029 WDM optical network with passive pass-through at each node
09/11/2003US20030170028 Optical transmitter, optical repeater, optical receiver and optical transmission method
09/11/2003US20030170027 WDM optical network with passive pass-through at each node
09/11/2003US20030170026 WDM optical network with passive pass-through at each node
09/11/2003US20030170022 Method and apparatus for improved jitter tolerance
09/11/2003US20030170021 Method and arrangement for measuring the optical signal quality in a fiber network using optical cross-connectors
09/11/2003US20030170020 Method and apparatus for capacity-efficient restoration in an optical communication system
09/11/2003US20030169998 Optical link synthesis system
09/11/2003US20030169986 Optical fiber, optical component, dispersion compensating fiber module, and optical communication system
09/11/2003US20030169967 Chromatic dispersion compensation in a broadband optical transmission system
09/11/2003US20030169957 Optical channel monitoring chip
09/11/2003US20030169570 Connection device for a computer
09/11/2003US20030169487 Method and apparatus for controlling power transients in an optical communication system
09/11/2003US20030169480 Raman amplifier, optical transmission system using such amplifier and pumping light source therefor
09/11/2003US20030169473 Apparatus and method for regenerating optical signals
09/11/2003US20030168583 Photo-detecting device, photo-emitting device and optical wireless communication device
09/10/2003EP1343335A1 Radio communication base station system including optical advanced base station
09/10/2003EP1343266A2 Optical transmission apparatus
09/10/2003EP1343260A2 Hybrid wireless optical and radio frequency communication link
09/10/2003EP1343033A2 Dispersion compensating fiber module, and optical communication system
09/10/2003EP1342337A1 System for secure optical transmission of binary code
09/10/2003EP1342332A1 Point-to-multipoint passive optical network that utilizes variable-length packets
09/10/2003EP1342331A1 Integrated optical time domain reflectometer and optical supervisory network
09/10/2003EP1342330A2 Fiber optic system including digital controller for fiber optic tunable filter and associated methods
09/10/2003EP1342116A1 Chirped bragg grating reflectors and adjustable dispersion apparatus incorporating such gratings
09/10/2003EP1342115A2 Optical-fiber cable and method for transmitting optical signals, particularly according to wavelength multiplexing technology
09/10/2003EP1342113A2 Dispersion managed fiber optic cable and system
09/10/2003EP1342106A2 Point-to-multipoint passive optical network that utilizes variable-length packets and variable-length upstream tine slots
09/10/2003EP1249084B1 Hybrid wireless optical and radio frequency communication link
09/10/2003EP1048133A4 System and method for sharing a spare channel among two or more optical ring networks
09/10/2003EP1008239B1 Device for adding and dropping optical signals
09/10/2003CN2572422Y Optical fibre raster single end temp compensation package device
09/10/2003CN1442026A Reconfigurable optical switch
09/10/2003CN1442002A Optical free space signalling system
09/10/2003CN1441546A 光接收电路 Light receiving circuit
09/10/2003CN1441305A Optical switch, optical split insert multiplexer and optical communication system
09/10/2003CN1441284A Polarization-independent folded waveguide grating array
09/10/2003CN1441271A Waveguide type polarization mode separator
09/10/2003CN1441270A Plastic fiber coupler and its making process
09/09/2003US6618532 Optical transmission line
09/09/2003US6618522 Active equipment protection methods and apparatus
09/09/2003US6618425 Virtual laser operator
09/09/2003US6618195 Pump assembly employing coupled radiation sources for multiple fibers
09/09/2003US6618193 Optical amplification systems and methods
09/09/2003US6618192 High efficiency raman amplifier
09/09/2003US6618191 Enabler of large raman gain on small effective area fibers
09/09/2003US6618177 Light space-transmission device
09/09/2003US6618176 Remodulating channel selectors for WDM optical communication systems
09/09/2003US6618129 Technique for combined spectral, power, and polarization monitoring
09/09/2003US6617937 Microcontroller available for remote transmission
09/09/2003US6616353 Laser intensity noise suppression using unbalanced interferometer modulation
09/09/2003US6616352 Optical transmission apparatus and bidirectional optical space transmission system using the same
09/09/2003US6616351 Bidirectional optical amplifying apparatus and optical gain controlling method in a bidirectional WDM optical communication network
09/09/2003US6616349 Two-fiber interconnected ring architecture
09/09/2003US6616344 Interconnection system for optical networks
09/04/2003WO2003073705A1 Optical ring architecture
09/04/2003WO2003073656A1 Optical communication network
09/04/2003WO2003073655A1 Apparatus and method for mitigating the effects of polarization mode dispersion
09/04/2003WO2003073654A1 Method for automatic testing of optical fibres in multibranch networks
09/04/2003WO2003073653A1 System and method for configuring a home appliance communications network
09/04/2003WO2003073652A1 Error propagation and signal path protection in optical network
09/04/2003WO2003073632A1 Wireless extension arrangement for a communications system
09/04/2003WO2003073148A1 Method and arrangement for signaling in a networkcomprising nodes with optical ports
09/04/2003WO2003073144A1 Network healing smart fiber optic switch
09/04/2003WO2003073139A2 Optical connector
09/04/2003WO2003073137A2 Systems and methods for active monitoring and management of fiber links
09/04/2003WO2003028260A3 Method and apparatus for transmission of upstream data in an optical network
09/04/2003WO2002093794B1 Optical amplifier performance controller and method of use
09/04/2003WO2002071656A3 Wireless duplex optical communication system
09/04/2003WO2002061987A3 S+ band nonlinear polarization amplifiers
09/04/2003WO2002047295A3 Method for supplying persons with updated, location-dependent information by means of acoustic and/or optical information
09/04/2003US20030165343 Optoelectronic communication system
09/04/2003US20030165341 Optical transmitter for transmitting signals with high data rates, an optical transmission system and a method therefore
09/04/2003US20030165340 System and method for determining a cause of electrical signal degradation based on optical signal degradation
09/04/2003US20030165287 System and method for distribution of information using wideband wireless networks
09/04/2003US20030165286 Wavelength division multiplex transmission system
09/04/2003US20030165285 Methods and apparatus for optical data transmission over standard fiber
09/04/2003US20030165284 PMD compensating apparatus for controlling polarization controller based on detection of magnitude of waveform distortion