Patents for H04J 14 - Optical multiplex systems (27,009) |
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12/06/2005 | US6973229 Node architecture for modularized and reconfigurable optical networks, and methods and apparatus therefor |
12/06/2005 | US6973228 Wavelength stabilizing apparatus and control method |
12/06/2005 | US6972620 Post amplifier array integrated circuit |
12/06/2005 | CA2371287C High dispersion fibers for high-speed transmission |
12/03/2005 | CA2506371A1 Method and system for multiplying the repetition rate of a pulsed laser beam |
12/01/2005 | WO2005114877A1 Optical transmission system for transmitting signal of e-band with other bands |
12/01/2005 | WO2005114277A1 Phase and polarization insensitive gates and switches |
12/01/2005 | US20050265730 Optical transmission system, and trasmitter, receiver and signal level adjustment method for use therein |
12/01/2005 | US20050265728 Optical communications based on optical polarization multiplexing and demultiplexing |
12/01/2005 | US20050265727 Method for transmitting at least one first and second data signal in polarization multiplex in an optical transmission system |
12/01/2005 | US20050265725 Optical transmission apparatus, optical transmission system and dispersion compensating method |
12/01/2005 | US20050265722 Integrated optics and electronics |
12/01/2005 | US20050265721 Multi-band architecture for DWDM rings |
12/01/2005 | US20050265720 Wavelength division multiplexing add/drop system employing optical switches and interleavers |
12/01/2005 | US20050265647 System for amplifying optical signals |
12/01/2005 | US20050265386 System and method for providing packetized video over an optical network |
12/01/2005 | US20050264872 Chromatic dispersion compensation method and wavelength division multiplexing transmission system |
11/30/2005 | EP1599957A2 Optical time division multiplexing |
11/30/2005 | EP1415417B1 Optical band scanning monitor system and method |
11/30/2005 | CN1702992A Serial-parallel conversion technology and device of high-speed optical signal |
11/30/2005 | CN1229938C Device and method for filtering optical wavelength selection |
11/29/2005 | US6970653 Fiberoptic system for communicating between a central office and a downstream station |
11/29/2005 | US6970650 One-core two-way optical transmission system |
11/29/2005 | US6970649 WDMA free space broadcast technique for optical backplanes and interplanar communications |
11/29/2005 | US6970617 Reconfigurable service ring and method for operation in optical networks |
11/29/2005 | US6970614 Optical switching equipment, optical transport network, and methods of using them |
11/29/2005 | US6970613 Optical receiver and optical transmission apparatus |
11/29/2005 | US6970433 Multichannel ring and star networks with limited channel conversion |
11/29/2005 | US6970417 Methods and systems for fast restoration in a mesh network of optical cross connects |
11/25/2005 | CA2468222A1 Multi-user quantum cryptography method and system using wavelength division multiplexing |
11/24/2005 | WO2005112332A1 Optical signal quality monitoring device |
11/24/2005 | WO2005112308A1 Wavelenght division multiplexing passive optical network system |
11/24/2005 | US20050259998 Submarine observation apparatus and submarine observation system |
11/24/2005 | US20050259989 Multiple-wavelength pulsed light source for a wavelength division multiplexed passive optical network |
11/24/2005 | US20050259988 Bi-directional optical access network |
11/24/2005 | US20050259915 Optical wavelength division multiplexed system using wavelength splitters |
11/24/2005 | US20050259906 Acousto-optic device and fabrication method of acousto-optic device |
11/24/2005 | US20050259571 Self-healing hierarchical network management system, and methods and apparatus therefor |
11/24/2005 | US20050259541 Delivery method and delivery system of contents information, and central station thereof |
11/24/2005 | US20050259264 Observation apparatus and observation system |
11/23/2005 | EP1598972A1 Optical communication network system, wavelength routing apparatus, communication node, optical path managing method for use in optical cross connect apparatus, and apparatus for that method |
11/23/2005 | EP1598958A1 Observation apparatus and observation system |
11/23/2005 | EP1597853A1 Method and arrangement for the transmission of working signals and protection signals via optical data networks |
11/23/2005 | EP1508215B1 Hitless tunable optical wavelength filters and optical systems using such filters |
11/23/2005 | EP1243092B1 Method for synchronising the phase of optical return-to-zero (rz) data signals |
11/23/2005 | EP1210785B1 Device and method for optical transmission of information |
11/23/2005 | CN1701551A Optical communication network system, wavelength routing apparatus, communication node, optical path managing method for use in optical cross connect apparatus, and apparatus for that method |
11/23/2005 | CN1701543A Optical wavelength multiplex access system and optical network unit |
11/23/2005 | CN1701542A Optical transmission system with gain control for reducing spurious signal components |
11/23/2005 | CN1700625A Comb filter for multiwavelength laser system |
11/23/2005 | CN1228656C Waveguide type light synthesizer/splitter |
11/22/2005 | US6968132 Multiplexing and de-multiplexing optical signals |
11/22/2005 | US6968131 Topology discovery in optical WDM networks |
11/22/2005 | US6968130 System and method for fully utilizing available optical transmission spectrum in optical networks |
11/22/2005 | US6968108 Optical fiber of complex index profile |
11/22/2005 | US6968102 Node device of optical ring network |
11/22/2005 | US6967977 Optical pulse train generator |
11/22/2005 | US6967769 Optical transmission systems and optical amplifiers for use therein |
11/20/2005 | CA2497425A1 Submarine observation apparatus and submarine observation system |
11/19/2005 | CA2500524A1 Observation apparatus and observation system |
11/17/2005 | WO2005109714A1 All-optical signal regeneration |
11/17/2005 | WO2005109706A1 Method and system for protecting a communications network comprising a transport network |
11/17/2005 | WO2005109013A2 Efficient protection mechanisms in a ring topology network utilizing label switching protocols |
11/17/2005 | US20050254820 Optical wireless access systems |
11/17/2005 | US20050254819 Optical in-line amplifier and wavelength-division multiplexer |
11/17/2005 | US20050254818 Optical wireless access systems for train passengers |
11/17/2005 | US20050254476 Cdma transmitting apparatus and cdma transmitting method |
11/16/2005 | EP1596539A1 Device and method for correcting a path trouble in a communication network |
11/16/2005 | EP1595352A1 Method for determining the network load in a transparent optical transmission system |
11/16/2005 | EP1516436A4 Ultra-wideband communication through a wire medium |
11/16/2005 | CN1698299A CDMA transmitting apparatus and CDMA transmitting method |
11/16/2005 | CN1698298A Split-band optical transmission system, optical transmission device, optical receiving device, and use of optical transmission based on above devices |
11/16/2005 | CN1227850C Wavelength devision multiplexing optical transmission system |
11/16/2005 | CN1227556C Light filter and transmission system with the light filter |
11/16/2005 | CN1227550C Fabry-perot laser device for WDM system |
11/16/2005 | CN1227548C Asymmetric array waveguide grating device |
11/15/2005 | US6965739 Optical communication system |
11/15/2005 | US6965561 Terminal multiplexer structure |
11/10/2005 | WO2005107167A1 Wavelenght division multiplexing passive optical network system adopted dual central office |
11/10/2005 | WO2005107104A1 System and method for subcarrier modulation in ism band as supervisory channel |
11/10/2005 | WO2005104735A2 System and method for wave vector multiplexed laser communication |
11/10/2005 | US20050249506 Burst optical communication apparatus |
11/10/2005 | US20050249504 Optical duplexer and optical triplexer |
11/10/2005 | US20050249500 Passive optical network with protection mechanism and its method of relocation |
11/10/2005 | US20050248834 Optical amplifier for amplifying multi-wavelength light |
11/09/2005 | EP1594242A2 Optical duplexer and optical triplexer |
11/09/2005 | EP1594241A1 Optical communication network system |
11/09/2005 | EP1413078A4 Diffractive fourier optics for optical communications |
11/09/2005 | EP0897554B1 Optical clock division |
11/09/2005 | CN2739880Y Electronic govermental-affairs network device using broadwave dual-wave-length wave-division multiplexing technology |
11/09/2005 | CN1695324A Method for carrying out infrared data transmission |
11/09/2005 | CN1694572A Optical transceiver for compensating for loss due to transmission distance in passive optical network |
11/09/2005 | CN1694386A Asymmetric reconstructable OADM device |
11/09/2005 | CN1226837C Warn removing method for optic transport device |
11/09/2005 | CN1226647C Using (110) silicon wafer to manufacture micromechanical photoswitch, array of photoswitch and method |
11/09/2005 | CN1226642C Method for producing optical fiber array element |
11/08/2005 | US6963695 Optical communication system and method of assigning signal channels |
11/08/2005 | US6963564 Method and apparatus for synchronized slotted optical burst switching |
11/08/2005 | US6963539 Method and apparatus for providing a service level guarantee in a communication network |
11/03/2005 | WO2005104310A1 Tunable laser source with optical wavelength addressing |