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)
09/2007
09/12/2007CN101034035A Method for enhancing performance of distributed sensing system by subcarrier wave technique
09/12/2007CN100337416C Integrated de-multiplexer for use in sparse wave-division multiplexer
09/12/2007CN100337412C Method for protecting subnetwork expansion in optical network
09/12/2007CN100337402C Multichannel photocoupler
09/12/2007CN100337155C Light transmission system and light amplifying method used therein
09/12/2007CN100337138C Bidirectional light receiving-transmitting modular structure capable of raising optical fiber coupling efficiency
09/12/2007CN100337136C On-line dispersion compensation device of wavelength division high-speed optical transmission system
09/12/2007CN100336485C Network based diabetes pedigree control system
09/11/2007US7269360 High dynamic receiver for free space optics application
09/11/2007US7269359 Focal plane array with synchronous detection circuits for an active remote sensing system
09/11/2007US7269358 Optical transmitter for increased effective modal bandwidth transmission
09/11/2007US7269357 Transceiver with programmable signal parameters
09/11/2007US7269356 Optical device with tunable coherent receiver
09/11/2007US7269355 Optical space communications device and control method thereof
09/11/2007US7269354 Superheterodyne photonic receiver using non-serial frequency translation
09/11/2007US7269353 Branching unit for an optical transmission system
09/11/2007US7269352 Wavelength division multiplexing light source apparatus using semiconductor optical amplifier
09/11/2007US7269351 Multi-channel optical loading channel transmitter
09/11/2007US7269350 System and method for communicating optical signals between a data service provider and subscribers
09/11/2007US7269349 Method of and device for performing bi-directional transmission using a single-wire
09/11/2007US7269348 Router having dual propagation paths for packets
09/11/2007US7269347 Optical receiver decision threshold tuning apparatus and method
09/11/2007US7269346 Optical automatic protection switching mechanism for optical channel shared protection rings
09/11/2007US7269321 System and method of configuring fiber optic communication channels between arrays of emitters and detectors
09/11/2007US7269312 Bipolar RF-photonic transversal filter with dynamically reconfigurable passbands
09/11/2007US7269191 Control circuit for optoelectronic module with integrated temperature control
09/11/2007US7269190 Er-doped superfluorescent fiber source with enhanced mean wavelength stability
09/11/2007US7269129 Transmitting apparatus
09/11/2007US7268942 Method of making a self-aligned light guide screen
09/11/2007US7268936 Optical amplifier having polarization mode dispersion compensation function
09/11/2007CA2300779C Optical amplifiers
09/07/2007WO2007100992A1 Method, apparatus, system and computer program product for identifying failing or failed optical network terminal(s) on an optical distribution network
09/07/2007WO2007100612A1 Power save mode for an optical receiver
09/07/2007WO2007100060A1 Optical fiber module and optical device
09/07/2007WO2007099888A1 Optical transmitter circuit
09/07/2007WO2007099472A1 A lighting device
09/07/2007WO2007099165A2 Modulator device for generating an optical transfer signal modulated by means of a binary signal
09/07/2007WO2007098707A1 A method, apparatus and application device for transmitting dtm on otn
09/07/2007WO2007098662A1 A single fiber bi-directional wdm transmission system and a protection method thereof
09/07/2007WO2007067631A9 Skew correction system eliminating phase ambiguity by using reference multiplication
09/07/2007WO2006104630A9 An inverted passive optical network/inverted passive electrical network (ipon/ipen) based data fusion and synchronization system
09/07/2007WO2006083822A3 Multi-wavelength optical cdma with differential encoding and bipolar differential detection
09/07/2007WO2006014415A3 Calibration of digital diagnostics information in an optical transceiver prior to reporting to host
09/07/2007CA2644078A1 Modulator device for generating an optical transfer signal modulated by means of a binary signal
09/07/2007CA2643443A1 Method, apparatus, system and computer program product for identifying failing or failed optical network terminal(s) on an optical distribution network
09/07/2007CA2642426A1 Fiber-to-the-home (ftth) optical receiver with distributed gain control
09/06/2007US20070208978 DVI link with circuit and method for test
09/06/2007US20070208182 Zwitterionic Non-Linear Optophores And Devices Incorporating Same
09/06/2007US20070206964 Receiver having an apparatus for varying decision threshold level and an optical transmission system having the same
09/06/2007US20070206963 Optical quadrature-amplitude modulation receiver
09/06/2007US20070206962 Externally modulated laser optical transmission system with feed forward noise cancellation
09/06/2007US20070206961 Directly modulated or externally modulated laser optical transmission system with feed forward noise cancellation
09/06/2007US20070206960 Transmission Formats for High Bit-Rate Systems
09/06/2007US20070206959 VCSEL with integrated optical filter
09/06/2007US20070206958 Optical beamforming transmitter
09/06/2007US20070206957 Method for Changing Frequency and Base Station in Radio Optical Fusion Communication System
09/06/2007US20070206956 Optical Transmitting Device, Optical Transmission System, Optical Transmitting Method And Optical Transmission Method
09/06/2007US20070206955 Optical transmission system for substantially equalizing the output signal level among frequency bands and substantially lowering the signal-to-noise ratio
09/06/2007US20070206954 Simultaneous electrical pre-compensation of self-phase modulation and chromatic dispersion
09/06/2007US20070206953 Multi-wavelength bidirectional optical transceiver having monitors
09/06/2007US20070206952 Optical transmitter
09/06/2007US20070206951 Ultra-wide band wireless system
09/06/2007US20070206950 Method and apparatus for generating and transmitting WDM MWOF signals
09/06/2007US20070206949 System using a fiber optic cable to distribute commands for controlling operations of an appliance
09/06/2007US20070206948 Long-reach wavelength division multiplexing passive optical networks by using the position adjustment of broadband light source
09/06/2007US20070206947 Simple fibre channel speed negotiation across transport
09/06/2007US20070206912 Apparatus and method for a waveguide with an index profile manifesting a central dip for better energy extraction
09/06/2007US20070206908 Apparatus and methods for integrally packaging optoelectronic devices, IC chips and optical transmission lines
09/06/2007US20070206907 Portable telephone and electronic equipment
09/06/2007US20070206693 Adaptive modulation in multipoint-to-point communication using orthogonal frequency division multiplexing
09/06/2007US20070206491 Distributed control of power in multipoint-to-point orthogonal frequency division multiplexing communication
09/06/2007US20070205914 Remote operating apparatus and method of controlling the same
09/06/2007US20070205779 System And Method For Checking Mechanical Pieces, With Wireless Signal Transmission
09/06/2007DE102006008748A1 Arrangement for adjusting polarization mode dispersion of two systems, comprises double refracting components switched into series, where polarization mode dispersion vector is assigned in stokes-area and vectors form closed vector course
09/06/2007DE10032542B4 Aktiver optischer Drehübertrager Active Fiber Optic Rotary Joint
09/06/2007CA2581546A1 Sbs reduction in optical media
09/05/2007EP1830492A1 Recovering method in a complex optical network
09/05/2007EP1830491A1 Adaptive optical receiving device and the method thereof
09/05/2007EP1830442A2 Method and device for generation of phase conjugate light and wavelength conversion, and system having the device
09/05/2007EP1830441A2 Method and device for generation of phase conjugate light and wavelength conversion, and system having the device
09/05/2007EP1830440A2 Method and device for generation of phase conjugate light and wavelength conversion, and system having the device
09/05/2007EP1829252A2 Testing of transmitters for communication links by software simulation of reference channel and/or reference receiver
09/05/2007EP1829251A2 Optical transmission system including repeatered and unrepeatered segments
09/05/2007EP1829250A2 Multiple rate optical transponder
09/05/2007EP1829249A1 Optical link
09/05/2007EP1829171A1 Broadband light source using fabry perot laser diodes
09/05/2007EP1671434B1 Infrared (ir) receiver device
09/05/2007EP1564914B1 Illumination light communication device
09/05/2007EP0988663B1 Method for transmitting and receiving information using a rotation frequency for each channel greater than zero and less than the associated carrier frequency
09/05/2007CN200944593Y Fiber communication device and fiber communication module thereof
09/05/2007CN101032120A Ring map discovery and validation method and system for optical network applications
09/05/2007CN101032101A Method and arrangement for the optical transmission of data signals by means of differential phase modulation in a polarisation multiplex method
09/05/2007CN101032100A Long-reach wavelength division multiplexing passive optical networks by using the position adjustment of broadband light source
09/05/2007CN101032099A Indirect optical free-space communications system and method for the broadband transmission of high-speed data
09/05/2007CN101030879A System for transmitting single-fiber-optic two-way wavelength division multiplexing and its protection
09/05/2007CN101030830A Microwave receiving converter based on microdisk structure
09/05/2007CN101030827A Method and apparatus for mapping DTM to OTN
09/05/2007CN101030823A Optical network unit and its controlling method
09/05/2007CN101030822A Optical network unit, optical line terminal, passive fiber-optic access network and its transmission
09/05/2007CN101030821A Sector subnetwork module of fibre-optical raster