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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06/09/2004 | EP1427123A1 Receiver for OTDM/PDM optical signals |
06/09/2004 | EP1427122A2 Bidirectional wavelength division multiplexing self-healing ring network |
06/09/2004 | EP1427120A1 Polarization mode dispersion controller using feed-forward compensation |
06/09/2004 | EP1427119A2 Optical amplifier and optical communication system employing the same |
06/09/2004 | EP1427118A1 Optical fiber amplifier having automatic power control function and automatic power control method |
06/09/2004 | EP1427075A2 Raman amplifier and optical relay transmission system |
06/09/2004 | EP1425885A1 Method and system for transmitting data from a first data network into a second data network |
06/09/2004 | EP1425866A2 Optical communications systems, devices, and methods |
06/09/2004 | EP1425865A2 System for acquiring and maintaining reliable optical wireless links |
06/09/2004 | EP1425616A1 Optical arrangement and transceiver module for bi-directional optical wdm systems and optical data transmissions |
06/09/2004 | CN2620287Y 1X2 small mechanical light switch |
06/09/2004 | CN1503500A Duobinary optical transmission apparatus |
06/09/2004 | CN1503499A Duobinary optical transmission apparatus |
06/09/2004 | CN1503498A All-optical regenerator for retiming, reshaping and retransmitting an optical signal |
06/09/2004 | CN1503497A Wavelength converter and optical cross-connect system using the same |
06/09/2004 | CN1503496A Virtual ring protection method for optical wave division network |
06/09/2004 | CN1503495A Method and device for realizing business pretection by adopting tunable light source |
06/09/2004 | CN1503490A Light signal converter, light encoder, light decoder and CDMA communication |
06/09/2004 | CN1503479A Cross-processing method for float pointer |
06/09/2004 | CN1503478A Method for checking multiplex section state |
06/09/2004 | CN1503477A Wave division multiplexer |
06/09/2004 | CN1503476A Optical signal receiving circuit and optical signal receiving semciconductor device |
06/09/2004 | CN1503459A Protocol conversion device and method based on text character stream report |
06/09/2004 | CN1503044A Extendible Ruman amplifier and control method thereof |
06/09/2004 | CN1503020A Fabry-Perot laser apparatus mode-locked to multi-frequency lasing light source and optical transmission apparatus using the same |
06/09/2004 | CN1153394C WDM transmitter and receiver |
06/09/2004 | CN1153393C Signal monitoring apparatus for wavelength division multiplexed optical telecommunication networks |
06/09/2004 | CN1153383C Optical fibre amplifier having controlled gain |
06/09/2004 | CN1153382C Optical pulse transmission system and method |
06/09/2004 | CA2451888A1 A method and system for light path monitoring in an optical communication network |
06/08/2004 | US6748342 Method and monitoring device for monitoring the quality of data transmission over analog lines |
06/08/2004 | US6748181 Optical transmitter provided with optical output control function |
06/08/2004 | US6748180 Capacitor regulated high efficiency driver for a light emitting diode |
06/08/2004 | US6748179 WDM channel monitoring system and method |
06/08/2004 | US6748178 Optical transmission line |
06/08/2004 | US6748177 Multiple degree of freedom bimorph positioner and controller |
06/08/2004 | US6748176 Optical dropping apparatus and optical add/drop multiplexer |
06/08/2004 | US6748175 Optical ring network having enhanced security and reduced loss |
06/08/2004 | US6748174 WDM optical network with passive pass-through at each node |
06/08/2004 | US6748173 Optical transmission system and optical transmission apparatus used therefor |
06/08/2004 | US6748172 Multi-channel light source generator in a WDM optical communication system |
06/08/2004 | US6748170 Method for optimizing a mostly optical network |
06/08/2004 | US6748169 Method for measuring the signal quality of an optical data signal |
06/08/2004 | US6748152 Optical transmission system |
06/08/2004 | US6748150 Apparatus and method for managing dispersion within an optical add/drop module |
06/08/2004 | US6748142 Integrated optical dual dispersion compensator for compensating both chromatic and polarization mode dispersion |
06/08/2004 | US6748136 Wide band Raman amplifiers |
06/08/2004 | US6748135 Method for determining interactions between a number of optical channels in a wavelength division multiplexed signal |
06/08/2004 | US6748127 Transmission of orthogonal circular polarizations on a fiber |
06/08/2004 | US6748126 System for polarization mode dispersion compensation |
06/08/2004 | US6747792 Optical amplifying method |
06/08/2004 | US6747791 Optical amplifier with a spectral gain monitor using a volume phase grating |
06/08/2004 | US6747790 Optical amplifier for amplifying multi-wavelength light |
06/08/2004 | US6747788 Optical fiber amplifier and dispersion compensating fiber module for optical fiber amplifier |
06/08/2004 | US6747565 Remote control signal reception device |
06/06/2004 | CA2800487A1 Converting between signaling formats in an optical virtual private network (ovpn) |
06/06/2004 | CA2800395A1 Converting between signaling formats in an optical virtual private network (ovpn) |
06/05/2004 | CA2449592A1 Method and apparatus for optical add/drop multiplexing in optical networks |
06/05/2004 | CA2435193A1 Path segment protecting p-cycles |
06/05/2004 | CA2435131A1 Method and system for operating a plurality of electronic variable optical attenuators (evoas) |
06/05/2004 | CA2434115A1 Method for design of networks based on p-cycles |
06/05/2004 | CA2429083A1 Method and apparatus for controlling a variable optical attenuator in an optical network |
06/03/2004 | WO2004047472A1 Optical fiber coupling configurations for a main-remote radio base station and a hybrid radio base station |
06/03/2004 | WO2004047344A2 Methods and apparatuses to provide a broadband light source with two or more output ports |
06/03/2004 | WO2004047343A1 Limiter for selectively attenuating modulation sidebands of a rf modulated light wave |
06/03/2004 | WO2004047342A1 Method for data transmission in optical communication systems |
06/03/2004 | WO2004047341A1 Transmission apparatus and transmission apparatus path selection method |
06/03/2004 | WO2004047340A2 Transmitter and method using half rate data streams for generating full rate modulation on an optical signal |
06/03/2004 | WO2004047339A2 Fiber amplifier having a non-doped inner core and at least one doped gain region |
06/03/2004 | WO2004047317A2 Optical preamplifier with received signal strength indicating function |
06/03/2004 | WO2004047151A2 Optical transceiver module with improved ddic and methods of use |
06/03/2004 | WO2004046763A2 Method and apparatus for providing controllable second-order polarization mode dispersion |
06/03/2004 | WO2004034613A3 Devices and methods for dynamic dispersion compensation |
06/03/2004 | WO2004028091A3 Optical network with distributed sub-band rejections |
06/03/2004 | WO2004021612A3 Method for determining the gain spectrum of a raman amplifier in a wdm-transmission system |
06/03/2004 | WO2004017474A3 Photonic devices and pics including sacrificial testing structures and method of making the same |
06/03/2004 | WO2004001916A3 Crosstalk compensation engine for for reducing signal crosstalk effects within a data signal |
06/03/2004 | WO2003005613A8 Opto-electronic transceiver module and method for receiving optical signals |
06/03/2004 | US20040106435 Distributed digital antenna system |
06/03/2004 | US20040106377 Communications interface device for receiving digital signals |
06/03/2004 | US20040105687 Method of optimizing output signal of optical receiver using FEC and optical receiving system using the method |
06/03/2004 | US20040105686 Optical transmission system using optical phase modulator |
06/03/2004 | US20040105685 Optical fibre communication system |
06/03/2004 | US20040105684 Optical dispersion monitoring apparatus and optical dispersion monitoring method, and optical transmission system using same |
06/03/2004 | US20040105683 Polarization mode dispersion controller device and method for its operation |
06/03/2004 | US20040105682 Electrical domain mitigation of polarization dependent effects in an optical communications system |
06/03/2004 | US20040105680 Bidirectional transceiver and method for driving the same |
06/03/2004 | US20040105679 System and method for protecting eye safety during operation of a fiber optic transceiver |
06/03/2004 | US20040105678 Method and apparatus for providing simultaneous channel power equalization and monitoring |
06/03/2004 | US20040105676 Video delivering system and video delivering device for vehicle |
06/03/2004 | US20040105639 Optical system module |
06/03/2004 | US20040105613 Optoelectronic module with integrated loop-back capability |
06/03/2004 | US20040105609 Optoelectronic signal transmission semi-conductor element and method for producing a semi-conductor element of said type |
06/03/2004 | US20040105470 Method for reducing non-linearities in a laser communication system |
06/03/2004 | US20040105468 Open-Path Laser/Optical Communication Systems and Methods Utilizing Wavelengths Between Atmospheric and Gaseous Absorption Lines |
06/03/2004 | US20040105456 Digital cross-connect |
06/03/2004 | US20040105451 Methods and apparatus for improved communications networks |
06/03/2004 | US20040105364 Wavelength associative addressing system for WDM type light packet steering |
06/03/2004 | US20040105144 Optical amplifier with a spectral gain monitor using a volume phase grating |
06/03/2004 | US20040105136 Interconnections and protection between optical communications networks |