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)
11/2001
11/28/2001	EP1158712A1 Optical communication network architectures having reduced loss
11/28/2001	EP1158704A1 Method and apparatus for aligning telescopes within a free-space optical communication system
11/28/2001	EP1158703A2 Signal input cutoff detector, optical receiver and signal input cutoff detecting method
11/28/2001	EP1158341A2 Optical switch
11/28/2001	EP1157493A1 Dwdm catv return system with up-converters to prevent fiber crosstalk
11/28/2001	EP1157492A1 Multiple-wavelength optical communication system with optical amplifiers
11/28/2001	EP1157488A1 Method and system for optimising the pulse form of an amplitude modulated optical signal
11/28/2001	EP1157289A2 Wireless optical communications without electronics
11/28/2001	CN1324152A Equipment and method automatic port identification finding for special shaped optical communication system
11/27/2001	US6324391 Method and system for cellular communication with centralized control and signal processing
11/27/2001	US6324333 Common light source for testing optical circuits
11/27/2001	US6324318 Redundant optical source switching method and wavelength division multiplexing transmission apparatus using the same
11/27/2001	US6324317 Wavelength division multiplexing optical transmission system
11/27/2001	US6324204 Channel-switched tunable laser for DWDM communications
11/27/2001	US6323994 WDM system equalization with EDFA optical amplifiers
11/27/2001	US6323993 Method of optical signal transmission with reduced degradation by non-linear effects
11/27/2001	US6323991 Opto-electronic frequency divider circuit and method of operating same
11/27/2001	US6323981 Method and apparatus for detecting intermittent faults in an optical communication system
11/27/2001	US6323980 Hybrid picocell communication system
11/27/2001	US6323979 Regenerator with optical modulation for optical fiber transmission systems using soliton signals
11/27/2001	US6323977 Optical transmitting and receiving apparatus
11/27/2001	US6323976 Light source device for frequency division multiplexed optical communications
11/27/2001	US6323975 Optical add/drop device
11/27/2001	US6323973 Apparatus for optical transmission and method therefor
11/27/2001	US6323793 HFC return path system using digital conversion and transport
11/27/2001	US6323726 Operating point adjustment for a diode of a diode network by means of voltage injection
11/27/2001	CA2222845C An inexpensive single-fiber bidirectional data link
11/27/2001	CA2211816C Fiber optic operations center
11/26/2001	CA2348731A1 Signal input cutoff detector, photo receiver and signal input cutoff detecting method
11/26/2001	CA2348304A1 Interconnection between telecommunication ms-spring and sncp ring networks
11/25/2001	CA2348368A1 Improvements in or relating to optical switching
11/22/2001	WO2001089128A2 A reconfigurable optical switch
11/22/2001	WO2001089119A2 Variable rate high-speed input and output in optical communication networks
11/22/2001	WO2001089116A2 Optical transceiver design and mechanical features
11/22/2001	WO2001088875A1 Remote control and power system
11/22/2001	WO2001088609A1 Optical signal generator for high speed multi-fiber optical switching
11/22/2001	WO2001088581A1 Chromatic-dispersion compensator
11/22/2001	WO2001088571A2 Multi-channel optical transceiver
11/22/2001	WO2001042834A8 Security mapping and auto reconfiguration
11/22/2001	WO2001028098A3 Digital optical receiver for cable television systems
11/22/2001	WO2000051269A9 High order spatial mode optical fiber
11/22/2001	WO2000016139A3 Circularly polarized fiber in optical circuits
11/22/2001	US20010043771 Optical-ring integer linear program formulation
11/22/2001	US20010043626 Optical free-space communication apparatus
11/22/2001	US20010043560 Method and system for restoring coincident line and facility failures
11/22/2001	US20010043389 Optical fiber amplifier control
11/22/2001	US20010043381 Optical free space signalling system
11/22/2001	US20010043380 Optical space transmitter
11/22/2001	US20010043379 Multi-channel optical transceiver
11/22/2001	US20010043113 LED drive circuit
11/22/2001	EP1145056A3 Circularly polarized fiber in optical circuits
11/22/2001	CA2409216A1 A reconfigurable optical switch
11/21/2001	EP1156608A2 Method for controlling the Signal-to-Noise ratio of an optical Add/Drop signal
11/21/2001	EP1156607A2 Radiation power equalizer
11/21/2001	EP1156606A2 An optical transmission system
11/21/2001	EP1156605A2 An optical transmission system
11/21/2001	EP1156604A2 Optical transponder and automatic optical signal type identification method for use therewith
11/21/2001	EP1156563A2 Laser wavelength stabilisation system for optical commmunication
11/21/2001	EP1156350A1 Optical fiber, dispersion compensator comprising the same, optical transmission line, and optical transmission system
11/21/2001	EP1156311A1 Photodetector array and optical branching filter using the array
11/21/2001	EP1155524A1 Wdm ring transmission system having amplified dropped channels
11/21/2001	EP1155523A1 Flexible and scalable architecture for dwdm networks in fiber rings
11/21/2001	EP1155519A1 Electro-optic interface system and method of operation
11/21/2001	EP1155518A1 Polarization mode dispersion compensation via an automatic tracking of a principal state of polarization
11/21/2001	EP1155517A1 Method and apparatus for providing high-order polarization mode dispersion compensation using temporal imaging
11/21/2001	EP1155479A1 Opto-electronic oscillators having optical resonators
11/21/2001	EP1155478A1 Optical amplifier
11/21/2001	EP0972225A4 1 x N DIGITALLY PROGRAMMABLE OPTICAL ROUTING SWITCH
11/21/2001	CN1323475A Pre-and post-compensation techniques for wavelength division multiplexing system
11/21/2001	CN1323107A Optical address decoding device
11/21/2001	CN1075300C Optical node in an optical bus network
11/21/2001	CN1075299C Optical amplifier arrangement
11/21/2001	CN1075298C Optical network and its operating method
11/21/2001	CN1075296C 光通讯系统 Optical Communication Systems
11/20/2001	US6321015 Optical fibre communication system
11/20/2001	US6321004 Protection switching in bidirectional WDM optical communication networks
11/20/2001	US6321002 Optical amplifier, optical transmission equipment, optical transmission system, and method thereof
11/20/2001	US6321000 Optical equalizer
11/20/2001	US6320694 Optical amplifier for use in optical communications equipment
11/20/2001	US6320693 Thermal tuning of optical amplifiers and use of same in wavelength division multiplexed systems
11/20/2001	US6320692 Biasing system for an optical modulator with double output
11/20/2001	US6320688 Optical transmitter
11/20/2001	US6320687 Dispersion compensation apparatus including a fixed dispersion compensator for coarse compensation and a variable dispersion compensator for fine compensation
11/20/2001	US6320686 Component for optical data transmission
11/20/2001	US6320684 WDM optical transmission system
11/20/2001	US6320191 Dispersive precompensator for use in an electromagnetic radiation generation and detection system
11/20/2001	US6318908 Light transmitting/receiving module
11/20/2001	CA2184417C Data link layer protocol for transport of atm cells over a wireless link
11/20/2001	CA2182033C Method and apparatus for controlling an electro-optical switch
11/15/2001	WO2001086982A1 Wireless base station network system, control station, base station switching method, signal processing method, and handover control method
11/15/2001	WO2001086849A2 Optical polarization division multiplexer
11/15/2001	WO2001086847A1 Method for the quality and identity control of wavelength channels in optical transmission systems
11/15/2001	WO2001086846A1 Ultrashort-pulse fiber laser with a dispersion-managed cavity
11/15/2001	WO2001086841A1 Chromatic dispersion compensation
11/15/2001	WO2001086840A2 Polarization mode dispersion (pmd) compensator
11/15/2001	WO2001086839A1 Method and circuit arrangement for the determination of the carrier-to-noise ratio for optical transmissions
11/15/2001	WO2001086838A2 Method and apparatus for maintaining a pre-determined ratio of a pilot tone power and a mean optical output power of an optical signal
11/15/2001	WO2001086768A1 Laser pulse shaping device
11/15/2001	WO2001086344A1 Parabolic pulse communication system and method
11/15/2001	WO2001086339A1 Light dispersion compensation element and light dispersion compensation method using the element

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