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)
10/2006
10/05/2006	WO2005081921A3 Temperature control for coarse wavelength division multiplexing systems
10/05/2006	WO2005060649A3 Method for commoditizing elements of previously specialized communications link
10/05/2006	WO2004070457B1 Multiport optical amplifier with narrowcast power equalization
10/05/2006	US20060222377 Optical receiver corresponding to differential M-phase shift keying system
10/05/2006	US20060222376 Optical reception device and optical reception method
10/05/2006	US20060222375 Method and system for high bit rate fiber-optic communications
10/05/2006	US20060222374 Modulation scheme for tedons
10/05/2006	US20060222373 Methods for upgrading and deploying an optical network
10/05/2006	US20060222372 MOPA laser apparatus with two master oscillators for generating ultraviolet radiation
10/05/2006	US20060222371 Optical communication system, transmission deterioration compensation method, optical transmission system, and optical receiver system
10/05/2006	US20060222370 Methods and apparatus for optical modulation amplitude measurement
10/05/2006	US20060222369 Remote antenna unit and wavelength division multiplexing radio-over-fiber network
10/05/2006	US20060222367 Optical transmission apparatus
10/05/2006	US20060222366 Optical transmission apparatus
10/05/2006	US20060222365 SCM-PON using WDM
10/05/2006	US20060222363 Drop-and-continue device
10/05/2006	US20060222362 Method of operating a passive optical network
10/05/2006	US20060222361 Optical packet switching system
10/05/2006	US20060222360 System and method for protecting optical light-trails
10/05/2006	US20060222293 Mitigating the effect of pulse distortions along an optical fiber communications link
10/05/2006	US20060221437 Optical transmission systems including optical amplifiers and methods of use therein
10/05/2006	US20060221436 Method and system for suppressing ASE noise
10/05/2006	US20060221435 Wavelength division multiplexing device, an optical leakage prevention method, and a wavelength division multiplexing communication system
10/05/2006	US20060221425 Optical pulse regeneration device, installation comprising one such device and use of same
10/05/2006	US20060219878 Signal light transmitting apparatus, signal light transmitting system using the same, and signal light transmitting method
10/05/2006	US20060219871 Photo detecting circuit and noise elimination method
10/05/2006	US20060219870 Optical switch apparatus and optical switching system
10/05/2006	DE102005016522A1 Diagnoseverfahren und Diagnosechip zur Bandbreitenbestimmung optischer Fasern Diagnostic procedures and diagnostic chip for bandwidth determination of optical fibers
10/05/2006	DE102005012984A1 Data e.g. street and traffic condition information, transmission device for road traffic, has control device blanking light emitting diode according to data protocol, where data is provided in form of protocol into control device
10/05/2006	DE10041857B4 Elektromagnetische Abschirmabdeckung und Infrarotdatenkommunikationsmodul Electromagnetic shield and infrared data communication module
10/05/2006	CA2599365A1 An inverted passive optical network/inverted passive electrical network (ipon/ipen) based data fusion and synchronization system
10/04/2006	EP1708397A2 Wavelength division multiplexing transmission device
10/04/2006	EP1708391A1 Method and apparatus for improving dual-polarization optical communication performance
10/04/2006	EP1708390A1 Mitigating the effect of pulse distortions along an optical fiber communications link
10/04/2006	EP1708389A1 Optical communication system, PMD precompensation method, optical transmission station, and opitcal receiver station
10/04/2006	EP1708388A1 Communicating information
10/04/2006	EP1708379A1 Communication system having backup function for several series devices and method for carrying out the function of switching
10/04/2006	EP1708364A1 Photo detecting circuit and noise elimination method
10/04/2006	EP1706972A1 Ultra-wideband communication through twisted-pair wire media
10/04/2006	EP1706920A2 Very high power pulsed fiber laser
10/04/2006	EP1706766A1 Low polarisation mode dispersion (pmd) optical fiber link, and method of making the same
10/04/2006	EP1530839A4 A system and method for increasing bandwith efficiency and throughput of a data transmission network
10/04/2006	EP1459535B1 Hybrid fiber optic and coaxial cable network node that contains a cable modem termination system
10/04/2006	EP1405444A4 Fiber optic telecommunications card with security detection
10/04/2006	EP1377927B1 Information card
10/04/2006	EP1310134B1 Optical transpose system
10/04/2006	EP1307984B1 Optical add drop and dispersion compensation apparatus and method thereof
10/04/2006	EP1269663A4 A communications network architecture
10/04/2006	EP1215527B1 Light amplifier using raman amplification and control method thereof
10/04/2006	CN2824439Y 光线路终端 The optical line terminal
10/04/2006	CN2824370Y Ring cavity single longitudinal mode erbium doped optical fiber laser
10/04/2006	CN2824071Y Mechanical light barried changeable light attenuator
10/04/2006	CN1842976A Information reception device, information transmission system, and information reception method
10/04/2006	CN1842731A Fiber optics transmission line
10/04/2006	CN1842221A Service signal dispatching method and device in optical transport network
10/04/2006	CN1841981A Wavelength division multiplexing transmission device
10/04/2006	CN1841969A Optical communication system, transmission deterioration compensation method, optical transmission system, and optical receiver system
10/04/2006	CN1841968A Optical transmission apparatus
10/04/2006	CN1841249A Multimedia terminal and state switching method thereof
10/04/2006	CN1841174A Optical amplifier for amplifying multi-wavelength light
10/04/2006	CN1841173A Optical fiber transmission system, raman gain control device and raman gain control method
10/04/2006	CN1278506C Optically amplified back-up receiver system and method for back-up optical communication path
10/04/2006	CN1278502C Optical fiber transmission system, raman gain control device and raman gain control method
10/04/2006	CN1278150C Super-large-effective-area (SLA) optical fiber and communication system incorporating the same
10/03/2006	US7116918 Optical transmission system using in-line amplifiers
10/03/2006	US7116917 Optical transmitter and optical transmission system
10/03/2006	US7116916 Method and apparatus for compacting data in a communication network
10/03/2006	US7116915 Optical signal generating circuit and optical transmission line
10/03/2006	US7116914 Optical signal regenerator
10/03/2006	US7116913 Optical transmission system and dispersion compensator
10/03/2006	US7116912 Method and apparatus for pluggable fiber optic modules
10/03/2006	US7116911 Optical transceiver design and mechanical features
10/03/2006	US7116910 Free space optical tap and multi/demultiplexer
10/03/2006	US7116909 Information transmission system and information transmission method, and, optical space transmission system and optical space transmission method
10/03/2006	US7116908 Optical transmission system for substantially equalizing the output signal level among frequency bands and substantially lowering the signal-to-noise ratio
10/03/2006	US7116906 Wireless optical system for high bandwidth communications
10/03/2006	US7116905 Method and system for control signaling in an open ring optical network
10/03/2006	US7116904 Optical communications system
10/03/2006	US7116869 Method and apparatus for monitoring fiber optic communications
10/03/2006	US7116861 Method of monitoring and controlling the bit error rate (BER) in an optical communication network
10/03/2006	US7116851 Optical signal receiver, an associated photonic integrated circuit (RxPIC), and method improving performance
10/03/2006	US7116761 Fiber to the curb and fiber to the neighborhood power architecture
10/03/2006	US7116480 Method and apparatus for optical switching
10/03/2006	US7116471 Method and system for improved eye protection safety of distributed Raman amplifiers
10/03/2006	US7116470 Raman amplifying device and method for pump modulation
10/03/2006	US7116460 Modulation control
10/03/2006	US7116454 Method for determining signal quality in optical transmission systems
10/03/2006	US7116410 Automated system and method for optical measurement and testing
10/03/2006	US7115868 Photodetector for weak light with UV transparent substrates
10/03/2006	US7115867 Apparatus and method for testing infrared functions
10/03/2006	CA2366250C Wdm optical communication system using co-propagating raman amplification
09/2006
09/28/2006	WO2006102202A1 Remote operation of local or distant infrared-controllable and non-infrared-controllable devices
09/28/2006	WO2006099899A1 Symmetrical optical receiver
09/28/2006	WO2006071409A3 Multiple rate optical transponder
09/28/2006	WO2005070177A3 Use of low-speed components in high-speed optical fiber transceivers
09/28/2006	US20060216042 Automatic gain control circuit for infrared receiver
09/28/2006	US20060216041 Optical signal receiver, optical signal monitoring unit, and optical signal monitoring method
09/28/2006	US20060216040 Calculation of laser slope efficiency in an optical transceiver module
09/28/2006	US20060216039 Polarization duobinary optical transmitter
09/28/2006	US20060216038 Method, apparatus, and system for evaluating faulty point in multi-stage optical amplifying and repeating transmission line

1 ... 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 ... 732