| Patents for H04J 14 - Optical multiplex systems (27,009) |
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| 09/20/2005 | US6947377 Path network and path network operation method using conversion of protection path into working path |
| 09/20/2005 | US6947204 Compact wavelength selective switching and/or routing system |
| 09/20/2005 | US6945711 Multiplexer with a dense wavelength division multiplexing function |
| 09/20/2005 | CA2384233C Programmable optical multiplexer/demultiplexer |
| 09/19/2005 | CA2497624A1 Optical attenuator element, and variable optical equalizer and optical amplifier that use this optical attenuator element |
| 09/15/2005 | WO2005086401A1 Wdm systemes and methods |
| 09/15/2005 | WO2005086400A1 Optical transmitter |
| 09/15/2005 | WO2005085947A1 Laser light source device, exposure apparatus using this laser light source device, and mask examining device |
| 09/15/2005 | WO2004064259A3 Fully protected broadcast and select all optical network |
| 09/15/2005 | US20050202793 Method and system for superheterodyne detection of an optical input signal |
| 09/15/2005 | US20050201758 Optical signal degradation compensator |
| 09/15/2005 | US20050201755 Wavelength division-multiplex system |
| 09/15/2005 | US20050201754 Optical transmission system having noise-elimination function |
| 09/15/2005 | US20050201753 System and method for subcarrier modulation in ISM band as supervisory channel |
| 09/15/2005 | US20050201713 Optical communication system |
| 09/15/2005 | US20050201669 Optical transport network |
| 09/15/2005 | US20050201323 Method and apparatus for multiplexing in a wireless communication infrastructure |
| 09/15/2005 | US20050200945 Optical fiber communication systems with brillouin effect amplification |
| 09/15/2005 | DE102004012492A1 WDMS adjustable drop unit has wavelength selective circuit constructing channel groups for optical amplification and channel filtering |
| 09/15/2005 | DE102004009137A1 Cross-connector for optical time division multiplexing system, has optical switches to feed channels branching from corresponding optical signals to respective optical combiners, where switches are controlled by control signals |
| 09/15/2005 | CA2558228A1 Wdm systems and methods |
| 09/14/2005 | EP1575193A2 A method and system for optical superheterodyne detection |
| 09/14/2005 | CN1669003A Data transfer in an optical network communication system |
| 09/14/2005 | CN1668954A Compensating for chromatic dispersion in optical fibers |
| 09/14/2005 | CN1667982A Method and system for superheterodyne detection of an optical input signal |
| 09/14/2005 | CN1219327C Detection power range adjustable photoelectric detector |
| 09/13/2005 | US6944406 Transport system with tunable channel spacing DWDM |
| 09/13/2005 | US6944404 Network transceiver for extending the bandwidth of optical fiber-based network infrastructure |
| 09/13/2005 | US6944401 Gain equalization in DWDM networks |
| 09/13/2005 | US6944400 Optical path switching device |
| 09/13/2005 | US6944399 Methods of signal substitution for maintenance of amplifier saturation |
| 09/13/2005 | US6944367 Optical source generator for wavelength division multiplexing optical communication systems |
| 09/13/2005 | US6943938 Tunable wavelength filter with invariant transmission and reflection beam angles |
| 09/09/2005 | WO2005083499A1 Reroutable protection schemes of an optical network |
| 09/09/2005 | WO2005083486A1 Hitless switch for high-density integrated optics |
| 09/09/2005 | WO2005081921A2 Temperature control for coarse wavelength division multiplexing systems |
| 09/09/2005 | WO2005081718A2 Ultra-wideband communication through a power grid |
| 09/08/2005 | US20050197993 Network global expectation model for multi-tier networks |
| 09/08/2005 | US20050196179 Receiving apparatus, transmitting apparatus, and communication system |
| 09/08/2005 | US20050196178 Receiving apparatus, transmitting apparatus, and communication system |
| 09/08/2005 | US20050196169 System and method for communicating traffic between optical rings |
| 09/08/2005 | US20050196168 Optical connection switching apparatus and management control unit thereof |
| 09/08/2005 | US20050196167 Method and apparatus for obtaining status information concerning optical amplifiers located along an undersea optical transmission line using COTDR |
| 09/08/2005 | US20050194514 For wavelength division multiplexed light utilizing a virtually imaged phased array; reduction of the interchannel loss deviation improves accuracy |
| 09/08/2005 | DE102004012060A1 Optical time multiplexed signal multiplexer has Mach-Zehnder Modulator with high data rate inputs and lower frequency modulation control signals |
| 09/07/2005 | EP1571771A2 System and method for communicating traffic between optical rings |
| 09/07/2005 | EP1433278B1 Channel identification in communications networks |
| 09/07/2005 | EP1238300A4 Wavelength router |
| 09/07/2005 | CN2724307Y Full glass substrate dense wave division duplex device |
| 09/07/2005 | CN1666564A Path protection method for WDM network and nodes thereof |
| 09/07/2005 | CN1218213C Adjustable digital electromagnetic driven light-barrier attenuator |
| 09/06/2005 | US6941079 Optical demultiplexer with multi-channel power control and tilt compensation |
| 09/06/2005 | US6941078 Method and system for communicating a clock signal over an optical link |
| 09/06/2005 | US6941075 Wavelength division multiplexing optical transmission method and system |
| 09/06/2005 | US6941074 Bidirectionally transmittable optical wavelength division multiplexed transmission system |
| 09/06/2005 | US6941072 Compact optical multiplexer/demultiplexer |
| 09/06/2005 | US6940624 Wavelength division multiplexed optical communication system having reduced non-linear effects |
| 09/06/2005 | CA2344869C Apparatus for detecting raman gain in an optical transmission system |
| 09/01/2005 | WO2005081572A2 Cross-connector for optical signals in time-division multiplex technology |
| 09/01/2005 | WO2005081436A1 Method and arrangement for combining time-division multiplex signals |
| 09/01/2005 | WO2005081432A1 Distributed compensation method and distributed compensator |
| 09/01/2005 | WO2005079206A2 Optimization of ultra-wideband communication through a wire medium |
| 09/01/2005 | WO2005060136A3 Method and system for communicating optical traffic at a node |
| 09/01/2005 | WO2005008388A3 Olt that stores identity numbers of onts |
| 09/01/2005 | US20050191056 WDM systems and methods |
| 09/01/2005 | US20050191055 Arrayed wavelength converter |
| 09/01/2005 | US20050191054 Optical network with selective mode switching |
| 09/01/2005 | US20050191004 Opto-electronic integrated circuit device, opto-electronic integrated circuit system and transmission method |
| 09/01/2005 | US20050190432 Optical device for optical communication |
| 09/01/2005 | US20050189477 Receiving apparatus, transmitting apparatus, and communication system |
| 08/31/2005 | EP1569495A1 Opto-electronic integrated circuit device, opto-electronic integrated circuit system and transmission method |
| 08/31/2005 | EP1569494A2 Optical network with selective mode switching |
| 08/31/2005 | EP1569369A1 Optical ring network |
| 08/31/2005 | EP1569367A2 Optical device for optical communication |
| 08/31/2005 | EP1569020A1 Optical multiplexing method and optical multiplexer, and optical amplifier using the same |
| 08/31/2005 | EP1568166A1 Long-distance synchronous transmission method using optical fibre |
| 08/31/2005 | EP1568165A1 Reconfigurable optical add/drop multiplexer with buried dispersion compensation module |
| 08/31/2005 | EP1428333B1 Ring network made using a dual optical data bus |
| 08/31/2005 | EP1219053B1 All-optical network with passive wavelength routers |
| 08/31/2005 | CN2722271Y Array attenuator with optical structure and variable light |
| 08/31/2005 | CN1663152A Method and system for power control of optical transmission span |
| 08/31/2005 | CN1663140A Ultra-wideband communication through a wire medium |
| 08/31/2005 | CN1661950A GIRES-TOURNOIS interferometer with faraday's rotator used in optical signal staggered multi plexer |
| 08/31/2005 | CN1661944A Optical ring transmission network |
| 08/31/2005 | CN1661942A Annular network configuring system for distributed base station and data interactive method |
| 08/31/2005 | CN1661941A Distributed base stations and data interactive method |
| 08/31/2005 | CN1661405A Optical multiplexing method and optical multiplexer, and optical amplifier using same |
| 08/31/2005 | CN1661403A Structure of non-thermal platform optical device, and its prodn. method |
| 08/31/2005 | CN1661400A Opto-electronic integrated circuit device, opto-electronic integrated circuit system and transmission method |
| 08/31/2005 | CN1217508C Single-fiber bidirectional-transmitting WDM star multi-wavelength optical network system with k times reused wavelength |
| 08/31/2005 | CN1217507C WDM star multi-wavelength optical network system with K times reused wavelength |
| 08/31/2005 | CN1217506C Multiple wavelength light signal processor and its making process |
| 08/31/2005 | CN1217505C An optical communication network |
| 08/31/2005 | CN1217225C Genetic algorithm design of Er-doping fiber and Er-doping fiber amplifier |
| 08/31/2005 | CN1217207C Optical-wave-division duplexer/deduplexer based on 2-D distribution array wave-guide optical grating |
| 08/30/2005 | US6937823 Method for preventing lasing in an optical ring network |
| 08/30/2005 | US6937820 Optical level control method |
| 08/30/2005 | US6937809 Variable attenuator optical add/drop devices |
| 08/30/2005 | US6937785 Optical communication system using 4 wavelength add/drop type wavelength division multiplexing |
| 08/30/2005 | US6937782 Polarization-stabilized all-optical switch |