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)
11/2005
11/03/2005US20050243004 Active alignment system for free space optics
11/03/2005US20050242749 Circuitry and methods for improving the performance of a light emitting element
11/03/2005DE19936422B4 Langwelliger optischer Faserverstärker Long-wave optical fiber amplifier
11/03/2005DE10349106B4 Vorrichtung zum Sammeln von optischen Signalen Means for collecting optical signals
11/03/2005DE10261883B4 Gechirptes Faser-Bragg-Gitter, Lasersystem und Verfahren zur Dispersionskorrektur Chirped fiber Bragg grating, the laser system and method for correcting dispersion
11/02/2005EP1592159A2 Optical transmission network with tree structure
11/02/2005EP1592153A1 Laser communication system with adaptive data rates
11/02/2005EP1592152A1 Method for characterising an optical fibre link
11/02/2005EP1591816A1 Cables and cable installations
11/02/2005EP1591808A1 Mode dispersion compensating method in multimode optical fiber transmission line
11/02/2005EP1591768A1 Optical amplification relay method and optical amplification relay system
11/02/2005EP1590904A2 Asymetric optical network traffic flow control
11/02/2005EP1590903A1 Device and method for high rate optical transmission and use of said device and method
11/02/2005EP1590902A2 Method and apparatus for testing network data signals in a wavelength division multiplexed optical network
11/02/2005EP1590901A2 Filtered three-level transmitter
11/02/2005EP1590900A2 Apparatus and method for tracking in free-space optical communication systems
11/02/2005EP1590704A2 Multiport optical amplifier with narrowcast power equalization
11/02/2005EP1316164B1 Wireless communication receiver using a totally internally reflecting concentrator
11/02/2005EP1210754B1 Method of converting an optical wavelength with an opto-electronic laser with integrated modulator
11/02/2005CN2738478Y SFP optical receiving and transmitting integral module
11/02/2005CN2738477Y Infrared communication base
11/02/2005CN2738476Y Photoelectric complex swich-in equipment for network electric device
11/02/2005CN1692583A Method and device for realising an optical link with laser pulses
11/02/2005CN1691561A Method for implementing low order cross connect with convergence
11/02/2005CN1691554A Data transmission device
11/02/2005CN1691551A A method for designing control wavelength of optical burst switching (OBS)
11/02/2005CN1691550A Service protection device in optical communication network and method thereof
11/02/2005CN1691549A 光接收机 Optical Receiver
11/02/2005CN1691548A Photoelectric transmission module and manufacturing method thereof
11/02/2005CN1691547A Personnel statistical method by employing mobile communication terminal
11/02/2005CN1690772A Quadrature amplitude modulation of optical carriers
11/02/2005CN1225868C Flow rate protecting method and device for light interface in data communication equipment
11/02/2005CN1225859C Capacity upgrading method for dense wavelength division multiplexing optical fiber transmission system
11/02/2005CN1225852C Network comprising converters between electronic and optical signal
11/02/2005CN1225851C 光传输系统 The optical transmission system
11/02/2005CN1225850C Connecting method and equipment for fiber optic amplifier supporting single fiber bidirectional light transmission
11/02/2005CN1225661C Method and equipment for providing dispersion compensation
11/01/2005US6961680 Synthesized high speed digital filters
11/01/2005US6961524 WDM channel equalization in add/drop-capable optical networks
11/01/2005US6961523 Optical multiplexing interconnect module
11/01/2005US6961522 Automatic raman gain and tilt control for ultra-long-distance dense WDM optical communication system
11/01/2005US6961521 Method and apparatus for transmitting a bit interleaved optical data stream on an optical network
11/01/2005US6961520 Method for measurement of optical or electrical signal sequences and eye diagram monitor for measurement and display of signal sequences
11/01/2005US6961500 Dispersion and slope compensating optical fiber and transmission link including same
11/01/2005US6961492 Tunable dispersion compensator
11/01/2005US6961483 Technique for mitigation of polarization mode dispersion in fiber optic transmission links
11/01/2005US6961356 Integrated wavelength combiner/locker
11/01/2005US6961172 System and method for measuring an amount of error associated with an optical amplifier
11/01/2005US6961128 Apparatus for detecting cross-talk and method therefor
11/01/2005US6961033 GaN green LED drive device and optical transmission device
11/01/2005US6960750 Optical positioning system and method, transceiver, and reflector
11/01/2005CA2353696C Timing circuitry for muxing/demuxing of optical communication signals
11/01/2005CA2338151C Ultra-highspeed packet transfer ring network
10/2005
10/27/2005WO2005101705A2 Method and apparatus for controlling and protecting pulsed high power fiber amplifier systems
10/27/2005WO2005101704A1 Improvements relating to reception in optical networks
10/27/2005WO2005101703A1 Optical signal monitoring system
10/27/2005WO2005101702A1 Optical receiver
10/27/2005WO2005101701A2 Optical fiber communications method and system without a remote electrical power supply
10/27/2005WO2005101286A2 Processing of signals with regenerative opto-electronic circuits
10/27/2005US20050240346 Information transmission device
10/27/2005US20050238368 Driving circuit for optical modulator and method for driving optical modulator
10/27/2005US20050238367 Quadrature amplitude modulation of optical carriers
10/27/2005US20050238365 Optical encoder providing a wide range of resolutions
10/27/2005US20050238364 Optical device for extracting a sideband signal from a composite signal including orthogonally modulated signals
10/27/2005US20050238363 Optical device for extracting a sideband signal from a composite signal including orthogonally modulated signals
10/27/2005US20050238362 Dispersion compensation quantity setting method, receiving terminal station, and wavelength-multiplexing optical transmission system
10/27/2005US20050238361 Optical transponder with equipment failure protection
10/27/2005US20050238360 Multifunctional optoelectronic thyristor and integrated circuit and optical transceiver employing same
10/27/2005US20050238359 Byte-configurable memory in an optical transceiver
10/27/2005US20050238358 Compact optical transceivers
10/27/2005US20050238357 Laser communication system with adaptive data rates
10/27/2005US20050238356 System and method for wave vector multiplexed laser communication
10/27/2005US20050238355 Device for the switching of optical switch per IP address
10/27/2005US20050238283 System for optical demultiplexing wavelength bands
10/27/2005US20050238188 Optical microphone transducer with methods for changing and controlling frequency and harmonic content of the output signal
10/27/2005US20050238014 Receiver and method for receiving burst mode packet
10/27/2005US20050237974 Tree optical transmission network
10/27/2005US20050237600 Optical amplifier and optical communication system
10/27/2005US20050237593 PMD system and method for operating same
10/27/2005DE202005008437U1 High speed CAN system uses optical transmission of signals with hub to provide undistorted transmissions
10/27/2005DE112004000018T5 Signalrelaiseinrichtung eines optischen Kommunikationssystems Signal relay device of an optical communication system
10/27/2005DE10393675T5 Steuern des Anhebens des Lasertreiberstroms zur Verbesserung der Augendiagrammqualität Control the raising of the laser drive current to improve the quality of eye diagram
10/27/2005DE102005000626A1 Faseroptik-Sende-/Empfangsgerät mit kleiner Standfläche Fiber optic transmitter / receiver unit with small footprint
10/27/2005DE102004016198A1 Reduzierung von Signaldegradationen bei optischen Übertragungsstrecken Reduction of Signaldegradationen in optical transmission links
10/27/2005CA2504293A1 Laser communication system with adaptive data rates
10/26/2005EP1589679A1 Optical transmission method and optical transmission device
10/26/2005EP1589678A1 Optical antenna
10/26/2005EP1588512A2 Transmitter and method for transmitting messages on an optical fiber
10/26/2005EP1588511A1 Output stage for carrying out wdm message transmission and methods for exchanging full light sources in an output stage of this type
10/26/2005EP1588510A2 Periodic optical packet switching
10/26/2005EP1588339A2 Circuit arrangements and methods for a remote control receiver having a photodiode
10/26/2005EP1540722A4 Photonic devices and pics including sacrificial testing structures and method of making the same
10/26/2005EP1512235B1 Methods for transmitting and receiving laser signals, as well as transmitter and receiver which carry out said methods
10/26/2005EP1405449B1 Control of parameters in a global optical controller
10/26/2005EP1260043B1 Arrangement for producing a wavelength-multiplex signal with small interchannel spaces
10/26/2005CN1689255A Method and arrangement for determining signal degradations in the presence of signal distortions
10/26/2005CN1689254A 拉曼放大器 Raman amplifiers
10/26/2005CN1688909A Optical cross connect apparatus and method
10/26/2005CN1688117A Carrier dispatching mobile communication repeater
10/26/2005CN1688116A Method and apparatus for testing multi-differential wire pair cable assembly
1 ... 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 ... 732