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)
12/2003
12/11/2003WO2002075919A3 Distibuted raman amplification system
12/11/2003WO2002074037A3 Data compression device and method
12/11/2003WO2002021172A8 Negative-dispersion optical fiber and optical transmission line incorporating the same
12/11/2003US20030229461 Threshold setting apparatus for adjustably setting a threshold for use in identifying serial data from a baseband signal
12/11/2003US20030228156 Optical signal generator and method thereof
12/11/2003US20030228155 Monolithic semiconductor component for regenerating optical signals
12/11/2003US20030228153 Optical transmission equipment
12/11/2003US20030228152 Free space optics communication apparatus and free space optics communication system
12/11/2003US20030228151 Optical transmission device and optical transmission method for transmitting a burst radio signal
12/11/2003US20030228148 Optical ring network system having a plurality of node apparatuses connected in a ring
12/11/2003US20030228103 Variable dispersion compensator
12/11/2003US20030228098 Optical beam generating and shaping device
12/11/2003US20030228093 Transmission apparatus
12/11/2003CA2487148A1 Cascaded raman pump for raman amplification in optical systems
12/10/2003EP1370015A2 Optical signal generator and method thereof
12/10/2003EP1370014A2 Hybrid wireless optical and radio frequency communication link
12/10/2003EP1369721A2 Optoelectronic module with integrated variable optical attenuator
12/10/2003EP1368925A1 Wavelength division multiplexed optical communication system having a reconfigurable optical switch and a tunable backup laser transmitter
12/10/2003EP1368924A1 Method and apparatus for transferring wdm signals between different wdm communications systems in optically transparent manner
12/10/2003EP1368923A2 Method and apparatus for interconnecting a plurality of optical transducers with a wavelength division multiplexed optical switch
12/10/2003EP1368922A2 Method and system for dispersion maps and enhanced distributed gain effect in long haul telecommunications
12/10/2003EP1368921A1 Optical transmitter system
12/10/2003EP1368914A2 Method and apparatus for detection and compensation of pmd parameters in signals transmitted over optical fiber links and system of communication therewith
12/10/2003EP1368913A1 Optical data compression device and method
12/10/2003EP1368912A2 Composite optical amplifier
12/10/2003EP1368911A2 Improvements in optical data receiver systems
12/10/2003EP1368910A1 Communications terminal using infrared link
12/10/2003EP1368869A2 System and method for wide band raman amplification
12/10/2003EP1368701A2 Apparatus for providing timing jitter tolerant optical modulation of a first signal by a second signal
12/10/2003EP1368682A2 Optical fiber with very high negative dispersion slope
12/10/2003EP1097532B1 Device for detecting polarization mode dispersions
12/10/2003EP1050130B1 Communications system with star / ring topology
12/10/2003EP0923818B1 A method and an apparatus for amplitude equalization of a plurality of optical signals
12/10/2003EP0799536B1 Optical add drop multiplex (oadm)
12/10/2003EP0766889B1 An optical receiver, a tuner, and an optical network
12/10/2003CN2591651Y Optical comb type filter
12/10/2003CN1460872A Optical transmitting and receiving device
12/10/2003CN1460871A Intelligent optical attenuator
12/10/2003CN1130870C Wave length stabilizer in wave division shared optic transmission system
12/10/2003CN1130868C Optical transmission system
12/10/2003CN1130859C System with feedback controlled optical amplifiers
12/10/2003CN1130611C Signal transfer apparatus of computer
12/10/2003CN1130594C Transient effect inhibitor for optical fiber ampolifier in WDM system
12/09/2003US6662367 Poly-phase filters in multicarrier communication systems
12/09/2003US6662317 Method and apparatus for chromatic dispersion equalization
12/09/2003US6662243 Memory unit, a method of assembling a memory unit, a method of reconfiguring a system, and a memory device
12/09/2003US6661996 Satellite communication system providing multi-gateway diversity to a mobile user terminal
12/09/2003US6661976 Method and system for single-sideband optical signal generation and transmission
12/09/2003US6661975 Multi-rate variable duty cycle modem for use in an optical communication system
12/09/2003US6661974 Optical transmitter and optical transmission system
12/09/2003US6661972 Method and apparatus for transparent optical communication with two-fiber bidirectional ring with autoprotection and management of low priority traffic
12/09/2003US6661947 Optical transmitting apparatus and optical repeating apparatus
12/09/2003US6661946 Method of controlling optical signal power at an add/drop node in a WDM optical communication system
12/09/2003US6661940 Apparatus and method for rebroadcasting signals in an optical backplane bus system
12/09/2003US6661937 Fiber squeezing device
12/09/2003US6661936 Method for characterizing polarization transformers
12/09/2003US6661935 Optical signal processing apparatus and method
12/09/2003US6661817 Laser diode monitoring via current mirroring
12/09/2003US6661815 Servo technique for concurrent wavelength locking and stimulated brillouin scattering suppression
12/09/2003US6661814 Method and apparatus for suppressing stimulated brillouin scattering in fiber links
12/09/2003US6661570 Optical amplifier, optical communication system including the same, and optical fiber module included in the same
12/09/2003US6661553 Optical modulator which optimizes NRZ modulation
12/09/2003US6661546 Multi-aperture holographic optical element for illumination sensing in a free space optical communication system
12/04/2003WO2003101019A1 Method and device for optical data transmission
12/04/2003WO2003101014A1 An optical top hat pulse generator
12/04/2003WO2003101013A1 Long-distance quantum communication
12/04/2003WO2003100498A1 Optical switch and optical branch/insertion unit comprising it
12/04/2003WO2003089970A3 A wavelength monitor using an arrayed waveguide grating
12/04/2003WO2003079054A3 Athermal delay line
12/04/2003WO2003073139A3 Optical connector
12/04/2003WO2003073137A3 Systems and methods for active monitoring and management of fiber links
12/04/2003WO2003063391A3 System and method for communicating with an appliance through a light emitting diode
12/04/2003WO2003063390A3 Appliance communication method and apparatus
12/04/2003WO2003052972A3 Hybrid optical transceivers for free space optical communication
12/04/2003WO2003038477A3 Method and apparatus for compensating for polarization mode dispersion in optical devices
12/04/2003WO2003032019A3 High reliability optical amplification
12/04/2003WO2003009398A3 Structure and method for fabricating an optical bus
12/04/2003WO2003003705A3 Uncooled laser generation of narrowcast catv signal
12/04/2003US20030224801 High data rate wireless communication system
12/04/2003US20030224735 Wireless infrared network transceiver
12/04/2003US20030224390 Screening combinatorial peptide libraries for identifing amino acid sequences which bind and activate cellular processes; drug screening
12/04/2003US20030223764 Receiver for diffused infrared wireless communications
12/04/2003US20030223763 Optical transmitter and optical communication system
12/04/2003US20030223762 Multilevel optical signals optimized for systems having signal-dependent and signal-independent noises, finite transmitter extinction ratio and intersymbol interference
12/04/2003US20030223761 Embedded operational channel network management
12/04/2003US20030223760 Automatic dispersion compensation device and compensation method
12/04/2003US20030223759 Device and method for compensation of polarization mode dispersion
12/04/2003US20030223758 PMD-reduction processing for a multi-channel receiver
12/04/2003US20030223756 Optical transceiver
12/04/2003US20030223755 Method for communicating multimedia data between electronic devices by means of IR ray
12/04/2003US20030223754 Spatial optical communication apparatus
12/04/2003US20030223751 Optical transmission system
12/04/2003US20030223750 Method and system for providing a return path for signals generated by legacy terminals in an optical network
12/04/2003US20030223747 Gain equalization in dwdm networks
12/04/2003US20030223746 Method and apparatus for multi-protocol and multi-rate optical channel performance monitoring
12/04/2003US20030223745 Optical communication node and optical network system
12/04/2003US20030223728 Optical signal level control apparatus
12/04/2003US20030223708 Optical Module
12/04/2003US20030223707 Optical communication device
12/04/2003US20030223689 System for higher-order dispersion compensation including phase modulation