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)
05/2004
05/06/2004WO2003075492A3 Optoelectronic communications system
05/06/2004WO2003065619A3 Optical time domain reflectometry
05/06/2004WO2003005614A3 Method and apparatus for enhancing the effective dynamic range of an optical link
05/06/2004US20040088447 Computer including optical interconnect, memory unit, and method of assembling a computer
05/06/2004US20040086283 High dynamic receiver for free space optics application
05/06/2004US20040086282 Combined wavefront sensor and data detector for a free space optical communications system with adaptive optics
05/06/2004US20040086281 Synchronous amplitude modulation for improved performance of optical transmission systems
05/06/2004US20040086280 System for secure optical transmission of binary code
05/06/2004US20040086279 Wavelength-division multiplexing optical transmission system and repeater station therein
05/06/2004US20040086277 System and method for increasing upstream communication efficiency in an optical network
05/06/2004US20040086276 System and method for reducing interference in an optical data stream using multiple, selectable equalizers
05/06/2004US20040086275 System and method for reducing interference in an optical data stream
05/06/2004US20040086274 Method and system for automatic initialization of an optical network
05/06/2004US20040086246 Optical amplifier, optical transmission equipment, optical transmission system, and method thereof
05/06/2004US20040086225 Duobinary optical transmission apparatus and method thereof
05/06/2004US20040086224 Optical network with distributed signal regeneration
05/06/2004US20040086217 System and a method for limiting the maxium of light trasmitted from a ribbon fiber
05/06/2004US20040086035 EHF equalizer implemented with MEMs tap weight controls
05/06/2004US20040086007 Method for correcting the shift of output wavelength of light source
05/06/2004US20040085625 Optical amplifying repeater apparatus and optical amplifying/repeating transmission system
05/06/2004US20040085624 Dual fiber optic amplifier with shared pump source
05/06/2004US20040085621 Raman amplification control method, optical communication system, optical amplifier and program
05/06/2004US20040084611 Method of evaluating fiber PMD using polarization optical time domain reflectometry
05/06/2004EP1416654A2 Duobinary optical transmission
05/06/2004EP1416653A2 Optical transmission system comprising a plurality of optical amplification relay sections
05/06/2004EP1416651A1 Optical receiver
05/06/2004EP1416644A2 Communication device with a car radio and a mobile telephone
05/06/2004EP1415420A1 System and methods for communication over a bidirectional optical bus
05/06/2004EP1415418A2 An apparatus and method for multiplexing and/or demultiplexing optical signals having substantially equal dispersion
05/06/2004EP1415417A1 Optical band scanning monitor system and method
05/06/2004EP1415373A2 Control architecture and method for optical amplifiers
05/06/2004DE10213045B4 Integrierter optischer Faser-Empfänger Built-in optical fiber receiver
05/05/2004CN1494778A Optically amplified back-up receiver
05/05/2004CN1494777A 光发射机系统 Optical transmitter system
05/05/2004CN1494251A Double binary optical transmission device and its method
05/05/2004CN1494250A Full optical fiber network two fiber bidirectional loop channel shared protective device
05/05/2004CN1494239A Optical transmission apparatus and electronic apparatus with the same
05/05/2004CN1494238A Fabuli-polu device for compensating half height full width error its manufacturing method
05/05/2004CN1494237A Ultra high speed optical fiber grating sensor demodulating system and its realizing method
05/05/2004CN1494226A 收发器集成电路以及通信模块 Transceiver integrated circuit and a communication module
05/05/2004CN1493898A 可调式光衰减器 Adjustable optical attenuator
05/05/2004CN1493894A Module used for optical signal transmission
05/05/2004CN1148900C Physical medium additive sublayer data transmission method and device of KM ethernet
05/05/2004CN1148899C Broad-band full-service integrated network access method
05/05/2004CN1148898C Signal transmission method and motherboard structure
05/05/2004CN1148897C Optical branching board for SDH device of access network
05/05/2004CN1148896C Analog and data interface device for light synchronizing digital transmission equipment
05/04/2004US6731922 Optical image reject down converter
05/04/2004US6731882 Leadframe-based optoelectronic bidirectional transmitting and receiving module
05/04/2004US6731881 Device for transmitting and receiving optical signals
05/04/2004US6731880 Telecommunications system
05/04/2004US6731879 Submarine communications system and landing-stage therefor
05/04/2004US6731878 Free space optical communication link with diversity
05/04/2004US6731877 High capacity ultra-long haul dispersion and nonlinearity managed lightwave communication systems
05/04/2004US6731874 Optical transmission apparatus and optical systems
05/04/2004US6731872 Method for monitoring the operation of optical fibers
05/04/2004US6731846 Dispersion compensator and optical transmission system using same
05/04/2004US6731838 Athermalization and pressure desensitization of diffraction grating based WDM devices
05/04/2004US6731836 Dispersion compensator
05/04/2004US6731829 True-time all-optical delay generator for array beam steerers
05/04/2004US6731707 Arrangement for synchronization of nodes in VDSL-systems
05/04/2004US6731659 Frequency locker
05/04/2004US6731648 Method and apparatus for transmitting a return signal in a loop network
05/04/2004US6731428 Pump monitoring and control in a fiber Raman amplifier
05/04/2004US6731426 Long wavelength optical amplifier
05/04/2004US6731425 Modular Raman pump double-multiplexer
05/04/2004US6731424 Dynamic gain flattening in an optical communication system
05/04/2004US6731415 Multi-aperture holographic optical element for use in a free space optical communication system
05/04/2004US6731381 Method and apparatus to measure gain spectra of erbium doped fiber amplifier
05/04/2004US6731122 Wafer test apparatus including optical elements and method of using the test apparatus
04/2004
04/29/2004WO2004036832A1 Wireless communication system
04/29/2004WO2004036794A1 Optical modulation devices
04/29/2004WO2004036793A1 Devices and methods for raman amplification and dispersion compensation
04/29/2004WO2004036792A1 Submarine optical systems and amplifiers
04/29/2004WO2004036263A2 Combined wavefornt sensor and data detector for a free space optical communications system with adaptive optics
04/29/2004WO2004018960A9 Otdr arrangement for detecting faults in an optical transmission system on a span by span basis
04/29/2004WO2004012369A3 Methods and apparatus for improved communications networks
04/29/2004WO2003032549A3 Digital optical network architecture
04/29/2004US20040082365 Digitization and transmitting cellular RF signals by several light wavelengths
04/29/2004US20040081473 Direct attach optical receiver module and method of testing
04/29/2004US20040081472 Apparatus and method for data tag signal recovery
04/29/2004US20040081471 Method and apparatus for providing data confidentially for very high-speed multiple-wavelength optical data links
04/29/2004US20040081470 Optical communications
04/29/2004US20040081469 Optical differential quadrature phase-shift keyed decoder
04/29/2004US20040081466 Wavelength division and polarization division multiple access free space optical terminal using a single aperture
04/29/2004US20040081465 System and method for supplying power to media converters for optical communication
04/29/2004US20040081463 Optical CDMA transmitting apparatus and method for transmitting bipolar data
04/29/2004US20040081462 All-optical packet routing gates and demultiplexing systems
04/29/2004US20040081461 Optical communication system
04/29/2004US20040081460 Optical switching apparatus, optical transmission system and method of setting up for optical signal route
04/29/2004US20040081459 Remote test unit within a communications network
04/29/2004US20040081424 Transceiver integrated circuit and communication module
04/29/2004US20040081421 Wavelength multiplexing method and an apparatus thereof
04/29/2004US20040081393 Dispersion compensation
04/29/2004US20040081388 Optical switch
04/29/2004US20040080813 Optical amplifier with pump light source control for Raman amplification
04/29/2004US20040080812 Raman amplifier
04/29/2004US20040080753 Heterodyne based optical spectrum analysis with controlled optical attenuation
04/29/2004US20040079866 Optical receiver and a method for manufacturing the same
04/29/2004DE10247882A1 Verfahren zum Verringern von bei optischer Freiraum-Kommunikation auftretenden Fading A method of reducing occurring in free-space optical communication Fading