| 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) |
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| 03/04/2004 | WO2004019071A2 Method and apparatus providing common optical line monitoring and service channel over wdm optical transmission system |
| 03/04/2004 | WO2004018960A2 Otdr arrangement for detecting faults in an optical transmission system on a span by span basis |
| 03/04/2004 | WO2004008187A3 Compensating for chromatic dispersion in optical fibers |
| 03/04/2004 | WO2004006396A3 Integrated monitor device |
| 03/04/2004 | WO2003098846B1 Device for optically transmitting signals between two units moving relative to one another |
| 03/04/2004 | WO2003076979A9 Split-band depressed-profile amplifier and system |
| 03/04/2004 | WO2002095991A3 Sub-carrier generation for optical communication |
| 03/04/2004 | US20040044709 System and method for optical data communication |
| 03/04/2004 | US20040042802 Optical receiver having compensation for Kerr effect phase noise |
| 03/04/2004 | US20040042801 Electronic equaliser for optical transmitter |
| 03/04/2004 | US20040042800 All-optical 3R regenerator using solitary wave interactions |
| 03/04/2004 | US20040042799 WDM system having chromatic dispersion precompensation |
| 03/04/2004 | US20040042798 Optical transceiver with a dual-axis tilt mirror for pointing and tracking free space communication signals |
| 03/04/2004 | US20040042797 Low profile FSO transceiver and apparatus for mounting same to a window |
| 03/04/2004 | US20040042793 Pre-emphasis control method in consideration of nonlinear deterioration |
| 03/04/2004 | US20040042717 Free space optics communication and free space optics communication system |
| 03/04/2004 | US20040042715 Handling information in a noisy environment |
| 03/04/2004 | US20040042713 Optical transmission device and optical transmission system employing the same |
| 03/04/2004 | US20040042707 Electronic circuit device |
| 03/04/2004 | US20040042701 Optimum delay length for a PMD compensator |
| 03/04/2004 | US20040042449 Signal transmission system |
| 03/04/2004 | US20040042387 Communication system with multicarrier telephony transport |
| 03/04/2004 | US20040042235 Optical receiver and an optical communication system using the same |
| 03/04/2004 | US20040042068 Apparatus and method for Raman gain spectral control |
| 03/04/2004 | US20040042067 Apparatus and method for duplex optical transport using a co-directional optical amplifier |
| 03/04/2004 | US20040042066 Optical amplification method and device usable with bands other than the C-band |
| 03/04/2004 | US20040042064 Pump assembly employing coupled radiation sources for multiple fibers |
| 03/04/2004 | US20040042063 Optical transmission system |
| 03/04/2004 | US20040042062 Optical amplifier, method for compensating for temperature dependency of gain flatness of an optical amplifier and optical transmission path including optical amplifier |
| 03/04/2004 | US20040042036 Processor |
| 03/04/2004 | DE10338253A1 Optisches Übertragungssystem The optical transmission system |
| 03/04/2004 | DE10237403A1 Optoelectronic sender receiver module and optical plug for multimedia and automotive use has chip carrier on extension of module parallel to optical axis |
| 03/04/2004 | DE10236936A1 Signal-to-noise ratio (SNR) control method for wavelength division multiplexing (WDM) controls SNR for signals sent on channels in a WDM transmission system with a transparent transmission link |
| 03/04/2004 | DE10234918A1 Optisches Übertragungssystem zur Übertragung von optischen Signalen mit unterschiedlichen Übertragungsraten An optical transmission system for transmitting optical signals having different transmission rates |
| 03/04/2004 | DE10222221A1 Vorrichtung zur optischen Signalübertragung zwischen zwei gegeneinander beweglichen Einheiten Device for optical signal transmission between two units mutually movable |
| 03/04/2004 | DE10040790B4 Regelverfahren und optische Datenübertragungsstrecke mit einer Vorrichtung zur Kompensation von Änderungen des SRS-bedingten Leistungsaustausches A control method and optical data transmission path with a device for compensating for changes in the SRS-induced power exchange |
| 03/04/2004 | CA2496310A1 Method and apparatus for sharing pump energy from a single pump arrangement to optical fibers located in different fiber pairs |
| 03/04/2004 | CA2496309A1 Method and apparatus for performing system monitoring in a terminal independent interface located between a terrestrial optical terminal and an undersea optical transmission path |
| 03/04/2004 | CA2496237A1 Otdr arrangement for detecting faults in an optical transmission system on a span by span basis |
| 03/04/2004 | CA2496206A1 Adaptor arrangement for detecting faults in an optically amplified multi-span transmission system using a remotely located otdr |
| 03/04/2004 | CA2496185A1 Optical transmission system employing erbium-doped optical amplifiers and raman amplifiers |
| 03/04/2004 | CA2496183A1 Method and apparatus for providing a terminal independent interface between a terrestrial optical terminal and an undersea optical transmission path |
| 03/04/2004 | CA2492810A1 Multi-stage raman amplifier |
| 03/03/2004 | EP1395010A1 Optical frequency shift keying method |
| 03/03/2004 | EP1394976A1 Channel power control method in WDM system |
| 03/03/2004 | EP1394971A1 Optical tranceivers for path-protected passive optical metro access rings |
| 03/03/2004 | EP1394970A2 Optical amplifier, gain control method and circuit for an optical amplifier |
| 03/03/2004 | EP1394969A1 Electronic equaliser for optical transmitter |
| 03/03/2004 | EP1394968A2 Optical transmission system |
| 03/03/2004 | EP1394525A2 System for time domain reflectometry testing an optical network (OTDR) |
| 03/03/2004 | EP1394524A2 systems and methods for accurately measuring low values of polarization mode dispersion in an optical fiber using localized external perturbation induced low mode coupling |
| 03/03/2004 | EP1393492A1 Method and system for communicating a clock signal over an optical link |
| 03/03/2004 | EP1393484A1 Method and system for demultiplexing non-intensity modulated wavelength division multiplexed (wdm) signals |
| 03/03/2004 | EP1393483A1 Receiver and method of receiving a multichannel optical signal |
| 03/03/2004 | EP1393481A1 Free-space optical communication system employing wavelength conversion |
| 03/03/2004 | EP1393475A1 Method and system for transmitting information in an optical communication system using distributed amplification |
| 03/03/2004 | EP1393474A2 Method and system for tuning an optical signal based on transmission conditions |
| 03/03/2004 | EP1393030A2 System for monitoring wavelength |
| 03/03/2004 | EP1393026A1 Optical channel monitor |
| 03/03/2004 | EP1222758A4 Method and apparatus for measuring pmd of a dispersion compensation grating |
| 03/03/2004 | EP1103107B1 Bidirectional dispersion compensation system |
| 03/03/2004 | CN2605705Y High-speed optical-fiber grating sensing-multiplexing-demodulating apparatus |
| 03/03/2004 | CN1480002A Radio communication base station system including optical advanced base station |
| 03/03/2004 | CN1479981A Optically amplified receiver |
| 03/03/2004 | CN1479980A cellular based station with remote antenna |
| 03/03/2004 | CN1479503A Local network bus type optical fiber network fiber network failure wave recording and data collecting system with multi-controller |
| 03/03/2004 | CN1479479A Wave division complex mm wave light source row and corresponding optical fiber transmission radio signal communiation sysem |
| 03/03/2004 | CN1479478A Dispersion monitoring method and device and dispersion slope temp, relativity compensation method and equipment |
| 03/03/2004 | CN1479477A Light power automatic control method |
| 03/03/2004 | CN1479460A Passive optical network protection method |
| 03/03/2004 | CN1479459A Ethernet optical fiber transceiver and data transceiving method used on said tranceiver |
| 03/03/2004 | CN1479458A Method for generating and improving optical transmission line and correlative compensation module |
| 03/03/2004 | CN1479457A Regulatable gain equalizer for realizing wave length and amplitude volue dynamic independent regulation and regulating method |
| 03/03/2004 | CN1479456A Semiconductor laser coaxial device |
| 03/03/2004 | CN1479455A Fast replacing method of elastic group loop network |
| 03/03/2004 | CN1479454A Equipment for regenerating all-optical signal and its method |
| 03/03/2004 | CN1479136A Carrier adsorption type light strength regulator of compact structure and its manufacturing method |
| 03/03/2004 | CN1479127A Creeping cable |
| 03/03/2004 | CN1479124A Polarization mould chromatic dispersion simulator and compensator and compensating system |
| 03/03/2004 | CN1479122A Dynamic optical gain equalizer |
| 03/03/2004 | CN1479121A New type chromatic dispersion optical fiber |
| 03/03/2004 | CN1140971C Dual-side zero-angle up and down carrier division multiplex/demultiplex and optical insertion complex device |
| 03/02/2004 | US6701094 Battery-powered IR transmitter having constant power output |
| 03/02/2004 | US6701093 Integral transmitter-receiver optical communication apparatus and a crosstalk preventive device therefor |
| 03/02/2004 | US6701092 Laser based telecommunication network and router |
| 03/02/2004 | US6701090 Wavelength division multiplexing signal number monitoring apparatus and method |
| 03/02/2004 | US6701088 IP packet transmission equipment |
| 03/02/2004 | US6701087 Optical power management in an optical network |
| 03/02/2004 | US6701086 Method for monitoring the signal quality in optical networks |
| 03/02/2004 | US6701085 Method and apparatus for data transmission in the wavelength-division multiplex method in an optical ring network |
| 03/02/2004 | US6701052 Dispersion slope compensating optical waveguide fiber |
| 03/02/2004 | US6701051 Optical fiber transmission line |
| 03/02/2004 | US6701050 Methods and optical fibers that decrease pulse degradation resulting from random chromatic dispersion |
| 03/02/2004 | US6701049 Optical clock recovery device using non-linear optical waveguides |
| 03/02/2004 | US6700696 High order fiber Raman amplifiers |
| 03/02/2004 | US6700664 Optical channel monitoring device |
| 03/02/2004 | US6700654 Automatic dark current compensation |
| 03/02/2004 | US6698199 Swash plate type hydraulic drive transmission and hydrostatic type continuously variable transmission |
| 03/02/2004 | CA2315352C Channel band conversion apparatus for optical transmission systems |
| 03/02/2004 | CA2312516C Infrared transceiver with isolated analog output |