| Patents for H04J 14 - Optical multiplex systems (27,009) |
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| 08/20/1997 | EP0790718A2 Method of identifying faults in WDM optical networks |
| 08/20/1997 | EP0790716A1 Installation for optical signal transmission comprising a repeater monitoring system |
| 08/20/1997 | EP0587664B1 Communications network and method |
| 08/19/1997 | US5659574 Multi-bit correlation of continuous phase modulated signals |
| 08/19/1997 | US5659351 Switch and insertion networks in optical cable TV system |
| 08/15/1997 | CA2197704A1 Frequency-encoded optical cdma transmission system and optical receiver therefor |
| 08/13/1997 | EP0789256A2 Dispersion tapered optical fibers for use in wdm soliton transmission systems |
| 08/12/1997 | US5657406 Efficient optical wavelength multiplexer/de-multiplexer |
| 08/12/1997 | US5657318 Phase-comparison bit synchronizing circuit |
| 08/07/1997 | WO1997028475A1 Multi-wavelength filtering device using optical fiber bragg grating |
| 08/06/1997 | EP0788253A2 Fibre optic communication network with reduction of interference |
| 08/06/1997 | EP0788252A2 Method and apparatus for reducing adverse effects of optical beat interference in optical communication systems |
| 08/06/1997 | EP0787395A1 Decision-making process for point-to-multipoint networks |
| 08/06/1997 | EP0787390A1 All-optical processing in communications systems |
| 08/06/1997 | EP0787389A1 Ranging process for point-to-multipoint communication systems |
| 08/05/1997 | US5654816 Performance monitoring and fault location in optical transmission |
| 08/05/1997 | US5654814 Optical semiconductor apparatus and optical communication system using the apparatus |
| 08/05/1997 | US5654812 Light-receiving device, optoelectronic transmission apparatus, and optical demultiplexing method |
| 07/31/1997 | DE19602433A1 Dispersion compensating circuit arrangement for multiplexed optical transmission system |
| 07/31/1997 | CA2196447A1 Optical communication system wherein optical beat interference at the center is reduced |
| 07/30/1997 | EP0786879A2 Method and circuit arrangement for frequency stabilisation of a WDM multiplexer/demultiplexer |
| 07/30/1997 | EP0786877A1 Method and apparatus for line regeneration of a signal transmitted by synchronous modulation of wavelength division multiplexed solitons, and an optical telecommunications system using the method |
| 07/30/1997 | EP0786859A2 Power amplifying circuit and method |
| 07/30/1997 | CN1155966A Interconnected passive optical networks |
| 07/30/1997 | CN1155674A Optic amplifier, method for cotnrolling optic output of the amplifier, and optic transmission system and optic transmission path monitoring and controlling method |
| 07/29/1997 | US5652814 Integrable fiberoptic coupler and resulting devices and systems |
| 07/29/1997 | US5652767 Data decision circuit used in optical parallel receiving module, optical parallel receiving module, optical parallel transmission system and terminal structure of optical transmission fiber |
| 07/24/1997 | CA2195796A1 Method and device for on-line regeneration of signals transmitted by wavelength division multiplex solitons via synchronous modulation and optical telecommunications system using said method |
| 07/23/1997 | EP0785643A2 Circuit arrangement for optical amplification in a WDM multiplexer/demultiplexer with an optical phased array |
| 07/23/1997 | EP0785639A1 Optical communications method and system with passive routing |
| 07/22/1997 | US5651080 Optical exchanging apparatus using mode conversion and mode selection in an optical waveguide |
| 07/17/1997 | DE19601118A1 Demultiplexer apparatus for optical communications e.g. ODFM or WDM |
| 07/16/1997 | EP0784391A2 Wavelength division multiplexing light transmitting system |
| 07/15/1997 | US5648982 Spread spectrum transmitter |
| 07/10/1997 | WO1997024824A1 Multiple wavelength bidirectional lightwave amplifier |
| 07/09/1997 | EP0783212A1 Optical signal distribution system |
| 07/09/1997 | EP0783118A1 Wavelenght-multiplexer |
| 07/09/1997 | EP0782799A1 Efficient optical wavelength multiplexer/de-multiplexer |
| 07/09/1997 | CN1153910A Positive dispersion optical waveguide |
| 07/08/1997 | US5647035 Ring network communication structure on an optical carrier and reconfigurable node for said structure |
| 07/08/1997 | US5646762 Optical communication system using tandem Fabry-Perot etalon for wavelength selection |
| 07/08/1997 | US5646759 Fiber loop mirror for time division demultiplexing |
| 07/08/1997 | US5646758 Optical time compression multiplexing transmission system |
| 07/03/1997 | WO1997023966A1 Dispersion slope compensation in optical transmission systems |
| 07/03/1997 | DE19621604A1 Optical device with switch function for adding or blending filter |
| 07/02/1997 | EP0782290A2 Optical communication method and optical communication system |
| 07/02/1997 | EP0782289A1 Wavelength multiplexing optical transmission device |
| 07/02/1997 | EP0782285A2 Multiple star, passive optical network based on remote interrogation of terminal equipment |
| 07/02/1997 | EP0782284A2 Apparatus and method for improving signal-to-noise ratio in wavelength division multiplexing soliton transmission systems |
| 07/02/1997 | EP0782225A2 Low tilt, high gain fiber amplifier |
| 07/02/1997 | EP0782021A1 Arrayed waveguide grating optical demultiplexer |
| 07/02/1997 | EP0782020A2 Light wavelength filtering circuit and manufacturing method thereof |
| 07/02/1997 | EP0782019A2 Bandwith-adjusted wavelength demultiplexer |
| 07/02/1997 | CN1153433A Method and system for control of wavelength-division multiplex fibre-optic communication wave length |
| 07/01/1997 | US5644423 Method and device for optical amplification |
| 06/29/1997 | CA2194088A1 Waveguide-network optical demultiplexer |
| 06/29/1997 | CA2194086A1 Wavelength demultiplexer |
| 06/29/1997 | CA2191156A1 Multiple star, passive optical network based on remote interrogation of terminal equipment |
| 06/29/1997 | CA2190892A1 Apparatus and method for improving signal-to-noise ratio in wavelength division multiplexing soliton transmission systems |
| 06/26/1997 | WO1997023066A1 Optical amplifier arrangement |
| 06/26/1997 | WO1997017780A3 Optical frequency multiplexing system |
| 06/26/1997 | DE19613757A1 Interactive service optical transmission system |
| 06/26/1997 | DE19547603A1 Optische Verstärkereinrichtung Optical amplification means |
| 06/26/1997 | CA2211582A1 Optical amplifier device |
| 06/25/1997 | EP0781006A2 Ring network with wavelength division multiplexing |
| 06/25/1997 | CN1152984A Optical telecommunications network |
| 06/25/1997 | CN1152983A Processing for optical data packet |
| 06/24/1997 | US5642448 Integrable fiberoptic coupler and resulting devices and systems |
| 06/24/1997 | US5642447 Fiber optic network transmission system with integrated optical isolator couplers |
| 06/19/1997 | WO1997022190A1 Meshed optical network |
| 06/19/1997 | WO1997022023A1 Formation of a refractive index grating |
| 06/19/1997 | CA2239730A1 Formation of a refractive index grating |
| 06/18/1997 | EP0779721A2 Channel insertion in a WDM system |
| 06/18/1997 | EP0779718A2 Optical communication network and method for optically detecting a fault |
| 06/18/1997 | CN1152224A Chirped-pulse multiple wavelength telecommunications system |
| 06/17/1997 | US5640269 Communication systems |
| 06/11/1997 | CN1151529A Pyrometric cone high density wave divided multiplexing device |
| 06/04/1997 | EP0777353A2 WDM token bus network |
| 06/04/1997 | EP0777347A2 Optical transmission system and optical repeater |
| 06/04/1997 | EP0777346A2 Optical amplifier and optical communication system employing the same |
| 06/04/1997 | EP0777345A2 Surveillance method of optical amplifier-repeater transmission system |
| 06/04/1997 | EP0776556A1 Synchronous multipoint-to-point cdma communication system |
| 06/04/1997 | EP0776491A1 Polarization independent optical directional coupler wavelength tunable filters/receivers |
| 06/03/1997 | US5636301 Optical waveguide amplifiers |
| 06/03/1997 | US5636300 MxO multiplex demultiplex component |
| 06/03/1997 | US5636047 Optical interconnection system |
| 06/03/1997 | US5636046 Optical dispersion compensation method using transmissible band determined from synergetic effect of self phase modulation and group velocity dispersion |
| 06/03/1997 | US5636045 Photonic switching method and photonic switch utilizing same |
| 05/27/1997 | US5633741 Multichannel optical fiber communications |
| 05/21/1997 | EP0774676A2 Positive dispersion optical waveguide |
| 05/20/1997 | US5631760 Apparatus for the optical heterodyne reception of signals |
| 05/20/1997 | US5631758 Chirped-pulse multiple wavelength telecommunications system |
| 05/18/1997 | CA2188498A1 Positive dispersion optical waveguide |
| 05/15/1997 | WO1997017780A2 Optical frequency multiplexing system |
| 05/14/1997 | EP0773640A2 Optical communication system using tandem Fabry-Perot etalon for wavelength selection |
| 05/13/1997 | US5629995 Wavelength filter arrangements for use in fiber optics |
| 05/13/1997 | US5629994 Optical WDM coupling systems |
| 05/13/1997 | US5629983 Parallel transmission through plurality of optical fibers |
| 05/13/1997 | US5629956 Method and apparatus for reception and noncoherent serial correlation of a continuous phase modulated signal |
| 05/13/1997 | US5629803 System for a direct image transmission by spectral coding |