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)
10/2005
10/25/2005US6959154 Diversity receiver for mitigating the effects of fiber dispersion by separate detection of the two transmitted sidebands
10/25/2005US6959152 Polarization scrambler and optical network using the same
10/25/2005US6959150 Optical method and system for measuring in-band crosstalk in Raman amplifiers
10/25/2005US6959137 Large-effective-area inverse dispersion compensating fiber, and a transmission line incorporating the same
10/25/2005US6959128 Coupler-based optical cross-connect having a regeneration module
10/25/2005US6958857 Optical fiber component for Raman amplification, Raman amplifier and optical communications system
10/25/2005US6958856 Raman amplifier, raman amplifier control method, and optical communication system
10/25/2005US6958467 Chirp measurement apparatus
10/22/2005CA2499598A1 Quadrature amplitude modulation of optical carriers
10/21/2005CA2465165A1 Method and apparatus for optical performance monitoring
10/20/2005WO2005099148A1 Wavelength division multiplexing passive optical network having multiple branches of optical distribution
10/20/2005WO2005099136A2 Radio frequency identification of a connector by a patch panel or other similar structure
10/20/2005WO2005099135A1 Voa control
10/20/2005WO2005099134A1 Capacity expansion method for optical transmission link network without service interruption
10/20/2005WO2005098350A1 System and method for checking mechanical pieces, with wireless signal transmission
10/20/2005WO2005043199A3 Cable station for an undersea optical transmission system
10/20/2005WO2005043180A3 Wave detection methods and apparatus
10/20/2005US20050233702 Measuring instantaneous signal dependent nonlinear distortion in response to varying frequency sinusoidal test signals
10/20/2005US20050232644 Optical heterodyne receiver based on oversampling
10/20/2005US20050232643 Out-of-band data communication between network transceivers
10/20/2005US20050232641 Methods for manufacturing lead frame connectors for optical transceiver modules
10/20/2005US20050232640 Method and apparatus for measuring frequency-resolved states of polarization of a working optical channel using polarization-scrambled heterodyning
10/20/2005US20050232639 System and method for remote optical digital networking of computing devices
10/20/2005US20050232638 Methods and apparatus for underwater wireless optical communication
10/20/2005US20050232637 Optical offset signal cancellation for optical receiver
10/20/2005US20050232636 Radio frequency identification of a connector by a patch panel or other similar structure
10/20/2005US20050232635 Network data transmission and diagnostic methods using out-of-band data
10/20/2005US20050232634 Undersea optical transmission system employing low power consumption optical amplifiers
10/20/2005US20050232632 Optical LAN device and state monitoring method for load devices
10/20/2005US20050232631 Method and apparatus for optical performance monitoring
10/20/2005US20050232629 Optical connection switching apparatus and management control unit thereof
10/20/2005US20050232627 Method and apparatus for optical performance monitoring
10/20/2005US20050232565 Normal through optical panel
10/20/2005US20050232559 Optical amplification producing wider total gain bandwidth
10/20/2005US20050232534 Optical power monitoring apparatus, optical power monitoring method, and light receiving device
10/20/2005US20050231803 Retroreflective devices and systems
10/20/2005US20050231783 Methods for transmitting and receiving laser signals, as well as transmitter and receiver which carry out said methods
10/20/2005US20050231325 Radio frequency identification of a connector by a patch panel or other similar structure
10/19/2005EP1587225A1 Method and apparatus for measuring frequency-resolved states of polarization of a working optical channel using polarisation-scrambled heterodyning
10/19/2005EP1585997A2 System and method for controlling noise figure
10/19/2005EP1585953A1 Multi-signal determination of polarization dependent characteristic
10/19/2005EP1301969B1 All-optical waveguide component serving as a converter comprising a saturable amplifying region and uses thereof
10/19/2005EP1247355B1 System and method for detecting imperfect connections in optical systems
10/19/2005EP0981869B1 Modulation format adjusting optical transponders
10/19/2005EP0950291A4 Passenger conveyance vehicles and systems utilizing the same
10/19/2005CN2735669Y Optical fiber Ethernet switch
10/19/2005CN2735668Y Assembling structure for optical passive device
10/19/2005CN2735363Y Photoelectric hybrid optical fibre rotary connector for dynamic data transmission
10/19/2005CN2735362Y Mechanical photo switch
10/19/2005CN1685644A A system and method for increasing bandwith efficiency and throughput of a data transmission network
10/19/2005CN1685643A Transceiver with programmable signal parameters
10/19/2005CN1684322A Ceramic insert needle of coaxial packaged semiconductor laser
10/19/2005CN1684254A Diffusion and laser photoelectric coupling integrated circuit signal line
10/19/2005CN1683982A Optical fiber wavelength converter
10/19/2005CN1224259C Controller for connection between system unit and monitor unit connected in digital display interface specifications
10/19/2005CN1224222C Loop network system
10/19/2005CN1224205C WDM switch with OADM and control method thereof
10/19/2005CN1224197C 光学通讯链路 Optical communication link
10/19/2005CN1224196C Transmitting supervisory messages from fiber amplifier
10/19/2005CN1224194C Data transmission through direct regulating intermediate infrared laser
10/19/2005CN1224193C System for measuring and controlling power loss of light transmission line, and related method
10/19/2005CN1224192C Clock synchronous monitoring method and system for OSC signal in wavelength multiplexing system
10/19/2005CN1223881C Carrier adsorption type light strength regulator of compact structure and its manufacturing method
10/18/2005US6957021 Optical transceiver with memory mapped locations
10/18/2005US6957020 Optical inter-satellite link (OISL) gimbal
10/18/2005US6957018 Optical packet exchange system and optical switch
10/18/2005US6956998 Compact optical delay lines
10/18/2005US6956989 Method and system for generating low jitter NRZ optical data utilizing an optical pulse stretcher
10/18/2005US6956987 Planar lightwave wavelength blocker devices using micromachines
10/18/2005US6956917 Method and apparatus for reducing interference in an optical data stream using data-independent equalization
10/18/2005US6956693 Optical repeater having independently controllable amplification factors
10/18/2005US6956642 Error function analysis of optical components
10/18/2005US6956408 Drive device for a light-emitting component
10/18/2005US6955934 Wafer-level packaging of optical receivers
10/18/2005CA2353762C Optical transmission link incorporating highpass optical filtering
10/13/2005WO2005096540A1 Autocalibration for qkd systems
10/13/2005WO2005096534A1 Low-density wavelength multiplex optical transmission system and low-density wavelength multiplex optical transmission method
10/13/2005WO2005096528A1 Reduction of signal degradations in optical transmission links
10/13/2005WO2005096527A1 Method and apparatus for optical transmission of data
10/13/2005WO2005096526A1 Analog to digital signal conditioning in optoelectronic transceivers
10/13/2005WO2005096525A1 Optical signal transmission system and catv transmission system
10/13/2005WO2005094321A2 Undersea optical transmission system employing low power consumption optical amplifiers
10/13/2005WO2005055412A3 Continuously tunable coupled opto-electronic oscillators having balanced opto-electronic filters
10/13/2005US20050227653 Broadband radio transceiver with optical transform
10/13/2005US20050226640 System and method for a compact optical receiver with wide dynamic range
10/13/2005US20050226639 Method of transmitting digital signals over an optical transmission system
10/13/2005US20050226638 Optical signal transmission
10/13/2005US20050226637 Method of transmitting digital signals over an optical transmission system
10/13/2005US20050226635 Analog to digital converter systems and methods
10/13/2005US20050226634 Discrimination phase margin monitor circuit, transmitting/receiving device and communication system
10/13/2005US20050226633 Method and apparatus for PMD/PDL/PDG mitigation
10/13/2005US20050226632 Signal transmission apparatus and a method of signal transmission
10/13/2005US20050226631 Dispersion compensation in optical systems
10/13/2005US20050226630 Optical bypass method and architecture
10/13/2005US20050226629 Dispersion compensation method and compensation node apparatus
10/13/2005US20050226628 Method and device for wavelength dispersion compensation
10/13/2005US20050226627 Dispersion compensation in optical communications systems
10/13/2005US20050226626 Small form factor pluggable optical transceiver having automatic-restoring unlocking mechanism and mechanism for locating optical transceiver components
10/13/2005US20050226625 Optical fiber communications method and system without a remote electrical power supply
10/13/2005US20050226622 Underwater repeater employing rare earth element doped fiber amplifier, Raman assist and optical pump source sparing
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