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)
11/2004
11/25/2004	US20040234274 Processes and systems involving optical phase conjugators
11/25/2004	US20040234273 Optical-to-wireless WDM converter
11/25/2004	US20040234272 Low total excursion dispersion maps
11/25/2004	US20040234271 System and method of using variable pulses for symbology
11/25/2004	US20040234269 Method of establishing a subscriber connection and system utilizing the method
11/25/2004	US20040234268 System and method of optical data communication with multiple simultaneous emitters and receivers
11/25/2004	US20040234266 Reconfigurable add/drop module
11/25/2004	US20040234265 Wavelength division multiplexing optical transmitter using Fabry-Perot laser
11/25/2004	US20040234232 Open air optical channel
11/25/2004	US20040234220 Dispersion and slope compensating optical fiber and transmission link including same
11/25/2004	US20040234197 Method and system for determining location and value of dispersion compensating modules in an optical network
11/25/2004	US20040234195 Optical data transmission system
11/25/2004	US20040234193 Optical communication method and optical communication system
11/25/2004	US20040234186 Multiple order PMD compensator for optical fiber transmission system
11/25/2004	US20040233949 Jitter suppression techniques for laser driver circuits
11/25/2004	US20040233947 Laser driver circuit and system
11/25/2004	US20040233923 Method and system for transmitting data from a first data network into a second data network
11/25/2004	US20040233877 Indoor local area network system using ultra wide-band communication system
11/25/2004	US20040233874 Method and apparatus for use in a communication system
11/25/2004	US20040233531 Pointable optical transceivers for free space optical communication
11/25/2004	US20040233516 Wideband optical fiber amplifier
11/25/2004	US20040233090 Demodulating circuit and optical receiving circuit
11/25/2004	DE10319901A1 Optical appliance with transmission component(s) and associated monitor component(s) detecting part of radiation of transmission component for its monitoring
11/25/2004	DE10319817A1 Mehrsektionslaser Multi-section laser
11/25/2004	DE10260940B3 Vorrichtung und Verfahren zur breitbandigen Übertragung digitaler optischer Signale zwischen beweglichen Einheiten Apparatus and method for broadband transmission of digital optical signals between mobile units
11/25/2004	DE102004017493A1 Optisches Kommunikationssystem und Freiraumoptikkommunikationsgerät An optical communication system and free-space optical communication device
11/25/2004	DE102004014465A1 Optische Übertragungsvorrichtung The optical transmission device
11/25/2004	CA2525572A1 Method and apparatus for use in a communication system
11/24/2004	EP1480361A2 Multiple order PMD compensator for optical fiber transmission system
11/24/2004	EP1480360A2 Optical amplifying apparatus, wide-band optical amplifying apparatus, and optical communication system
11/24/2004	EP1480359A1 Wideband optical fiber amplifier
11/24/2004	EP1480358A1 Optical transmission module with digital adjustment and the adjusting method
11/24/2004	EP1480357A2 Optical communication system, optical communication apparatus, and optical cable
11/24/2004	EP1480349A2 Indoor local area network system using ultra wide-band communication system
11/24/2004	EP1479183A1 Method of determining a spectral route for a given connection in an optical telecommunication network
11/24/2004	EP1479181A1 Apparatus and method for mitigating the effects of polarization mode dispersion
11/24/2004	EP1479180A1 Method for automatic testing of optical fibres in multibranch networks
11/24/2004	EP1478961A2 Optical connector
11/24/2004	EP1166474B1 Method using photonic crystals for the dispersion compensation of optical signals of different wavelengths which are transmitted together
11/24/2004	CN2659036Y Mixed structured WDM OADM
11/24/2004	CN2659035Y Dual-WDM coupling single-fiber double-wave tetra direction transfer converter
11/24/2004	CN2659034Y Isolated coupling single-fiber single-wave bidirection transfer converter
11/24/2004	CN2658762Y Optical fiber connecting device
11/24/2004	CN1549522A Multi-interface data exchange module
11/24/2004	CN1549505A Method for realizing low order resource regulation in phototiming digital transmission network
11/24/2004	CN1549488A Wave divided multiplexing line dural fibre optical multiplexing section protecting apparatus
11/24/2004	CN1549487A Testing method and apparatus for automatic light power reducing process time of dense wave divided multiplexing system
11/24/2004	CN1549466A Higher-order resource regulating method in optical synchronous digital transmission network
11/24/2004	CN1549465A Method for detecting and assembling optical fibre emitter optical sub-module
11/24/2004	CN1548996A Constition and control method for light switch matrix with shielding purpose
11/24/2004	CN1177420C Waveguide grating array wave splitting/composing device with channel monitoring function
11/24/2004	CN1177418C Code conversion circuit for optical duobinary transmission and optical transmitter and receiver
11/24/2004	CN1177245C Polarization-independent folded waveguide grating array
11/23/2004	US6823145 Optical transmitter module
11/23/2004	US6823144 Optical transmission system
11/23/2004	US6823142 Polarization mode dispersion compensating apparatus
11/23/2004	US6823141 Optical transmission system and dispersion compensator
11/23/2004	US6823139 Optical transmission system
11/23/2004	US6823138 Optical communications terminal station, optical signal transmission method, and optical signal increasing method in wavelength multiplexing system
11/23/2004	US6823137 Optical line protection device and optical line protection method
11/23/2004	US6823123 Method and apparatus for providing dispersion compensation
11/23/2004	US6823108 Optical add drop and dispersion compensation apparatus
11/23/2004	US6823107 Method and device for optical amplification
11/23/2004	US6823105 Infrared communications link with attachment configuration
11/23/2004	US6822997 Semiconductor laser module and optical transmission system
11/23/2004	US6822975 Circuitry for mixed-rate optical communication networks
11/23/2004	US6822972 Bidirectional communication system with ring configuration
11/23/2004	US6822214 Optical signal receiving apparatus and method using the same
11/23/2004	CA2312933C Optical attenuator using isolator and optical communications system including the same
11/23/2004	CA2267868C Remote data network access in a communication network utilizing overhead channels
11/18/2004	WO2004100414A1 Method for preemphasising an optical multiplex signal
11/18/2004	WO2004100410A1 Optical communication system, center equipment and user terminal
11/18/2004	WO2004100409A1 Method for compensating wavelength dispersion and wavelength division multiplex transmission system using it
11/18/2004	WO2004100408A1 Linearized optical transmitter using feedback control
11/18/2004	WO2004100407A2 Communication system with external synchronisation
11/18/2004	WO2004100405A2 Chromatic dispersion compensation in a bidirectional optical transmission system
11/18/2004	WO2004100397A1 Data communication system
11/18/2004	WO2004100228A2 Access point
11/18/2004	WO2004100105A1 Traffic information system for conveying information to drivers
11/18/2004	WO2004100104A2 Public service system
11/18/2004	WO2004100103A1 Event detection system
11/18/2004	WO2004099854A1 Optical device having demultiplexing function
11/18/2004	WO2004099848A1 Dispersion slope compensator
11/18/2004	WO2004099837A1 Compensation of group delay dispersion in a switchable add-drop filter.
11/18/2004	WO2004073228A3 Watch dog detector for qkd system
11/18/2004	WO2004073181A3 Filtered three-level transmitter
11/18/2004	WO2001094999A9 System and method for reducing differential mode dispersion effects in multimode optical fiber transmissions
11/18/2004	US20040228638 Optical-to-wireless WDM converter
11/18/2004	US20040228637 Duobinary optical transmission apparatus using a semiconductor optical amplifier
11/18/2004	US20040228636 Novel 10 Gbit/sec transmit structure with programmable clock delays
11/18/2004	US20040228635 Optical transmission systems, devices, and method
11/18/2004	US20040228633 Subscriber optical distributor for broadcasting telecommunications convergence service
11/18/2004	US20040228632 Single fibre bidirectional optical transmission system and single fibre bidirectional optical amplifier
11/18/2004	US20040228629 Fast-switching scalable optical interconnection design with fast contention resolution
11/18/2004	US20040228628 Arrangement and method for testing fiber optic telecommunications circuits over dense wavelength division multiplexing (DWDM)
11/18/2004	US20040228604 Method and system for automated simulation of cable failure in a network
11/18/2004	US20040228602 Optical device including dynamic channel equalization
11/18/2004	US20040228601 Visual alignment of multiple-reflector collimation system
11/18/2004	US20040228582 Optical module capable of facilitating release from locking state with cage which accommodates optical module
11/18/2004	US20040228577 Laser and fiber coupling control

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