| Patents for H04J 14 - Optical multiplex systems (27,009) |
|---|
| 05/07/1997 | EP0772314A2 SCM optical communication system |
| 05/07/1997 | EP0772313A2 SCM optical communication system |
| 05/07/1997 | EP0772312A2 SCM optical communication system |
| 05/07/1997 | EP0772308A2 Light receiving device |
| 05/07/1997 | EP0772307A1 Communication protocol for half-duplex traffic |
| 05/07/1997 | DE19543044A1 Optisches Frequenzmultiplexsystem Optical frequency division multiplexing system |
| 05/07/1997 | DE19531761C1 Synchronous time division multiplex telecommunications system |
| 05/06/1997 | US5627856 Method and apparatus for receiving and despreading a continuous phase-modulated spread spectrum signal using self-synchronizing correlators |
| 05/06/1997 | US5627668 Subcarrier-multiplexed optical transmission systems using optical channel selection |
| 05/02/1997 | EP0771091A2 Chirped-pulse multiple wavelength telecommunications system |
| 04/29/1997 | US5625722 Method and apparatus for generating data encoded pulses in return-to-zero format |
| 04/29/1997 | US5625479 Soliton optical communication system and optical transmitter and optical receiver therefor |
| 04/29/1997 | US5625478 Optically restorable WDM ring network using simple add/drop circuitry |
| 04/24/1997 | WO1997015130A1 Level control process for optical fibre transmission paths |
| 04/24/1997 | DE19538753A1 Pegelregelungsverfahren für Lichtwellenleiter-Übertragungsstrecken Level control method for fiber optic transmission links |
| 04/23/1997 | EP0769861A2 Method for transmitting WDM optical signal to be amplified by optical amplification repeaters and system used in same |
| 04/23/1997 | EP0769859A1 Transparent optical self-healing ring communication network |
| 04/22/1997 | CA2125422C Optical wavelength selection control system in optical networks |
| 04/20/1997 | CA2188208A1 Transparent optical self-healing-ring communication network |
| 04/16/1997 | EP0768771A2 Branch device for optical multiplex system |
| 04/16/1997 | CN1147732A Wavelength-division multiplexing telecommunication system and method providing controlled separation of output channels |
| 04/09/1997 | EP0767556A2 Control method of optical filter for selecting wavelength |
| 04/09/1997 | EP0766895A1 Detection of a low level marshalling sequence |
| 04/08/1997 | US5619492 CDMA communication system in which bit rates are dynamically allocated |
| 04/08/1997 | US5619359 Optoelectronic apparatus |
| 04/02/1997 | EP0766423A2 Optical wavelength-division multiplexing transmission system |
| 04/02/1997 | EP0766358A1 Fibre amplifier for a plurality of signals of different wavelengths comprising a wavelength demultiplexer and wavelength multiplexer |
| 04/02/1997 | CN1034459C Dynamic range enhancer |
| 04/01/1997 | US5617233 Transparent optical node structure |
| 03/26/1997 | EP0765052A2 Communication system for performing wavelength division multiplexing communications, and wavelength control method used in the system |
| 03/26/1997 | EP0765051A2 Incrementally expandable ring architecture for providing telephony services |
| 03/26/1997 | EP0764376A1 Wavelength division multiplexed optical modulator |
| 03/25/1997 | US5615290 Branch device for optical multiplex system |
| 03/25/1997 | US5615036 Optical network comprising node groups and an analog repeater node unit between two node groups |
| 03/25/1997 | US5615035 Communications network |
| 03/20/1997 | WO1997010658A1 Method for independently controlling the wavelength component powers in an optical wavelength division multiplexed transmission system |
| 03/20/1997 | CA2232159A1 Method for independently controlling the wavelength component powers in an optical wavelength division multiplexed transmission system |
| 03/19/1997 | EP0763909A2 Optically restorable WDM ring network using simple add/drop circuitry |
| 03/19/1997 | EP0763907A1 Wavelength-division multiplexing telecommunication system and method providing a controlled separation of the output channels |
| 03/18/1997 | US5613210 Telecommunication network for transmitting information to a plurality of stations over a single channel |
| 03/18/1997 | US5612807 Optical dispersion compensation method for shifting a zero dispersion wavelength of an optical fiber to compensate for dispersion in an optical system |
| 03/18/1997 | US5612806 Acknowledgement using subcarrier multiplexed tones |
| 03/18/1997 | US5612805 Add-drop optical spectrum-division multiplexer |
| 03/13/1997 | WO1997009803A1 Optical communication system |
| 03/12/1997 | EP0762766A2 Network apparatus and method for providing two-way broadband communications |
| 03/12/1997 | EP0762691A2 Method and device for equalising the respective power levels of the channels of a spectrally multiplexed signal |
| 03/12/1997 | EP0762690A2 Comb splitting system and method for a multichannel optical fiber communication network |
| 03/12/1997 | EP0762689A2 Optical branching apparatus and tranmission line setting method therefor |
| 03/12/1997 | EP0762677A2 Optical communication system which determines the spectrum of a wavelength division multiplexed signal and performs various processes in accordance with the determined spectrum |
| 03/12/1997 | EP0762672A2 Monitoring apparatus for spectrally multiplexed optical telecommunications signal and transmission arrangement equipped with such an apparatus |
| 03/12/1997 | EP0762569A2 Method and apparatus for controlling optical amplifier used for optically amplifying wavelength-division multiplexed signal |
| 03/12/1997 | EP0762161A1 Optical component for monitoring a multi wavelength connection and add drop multiplexer using this component, application to optical networks |
| 03/12/1997 | EP0762142A1 Ultrasonic object imaging method and device with optic signal transmission |
| 03/12/1997 | EP0761071A1 Optical telecommunications network |
| 03/12/1997 | EP0761050A1 Optical packet processing |
| 03/11/1997 | US5610945 System for identifying communication sequences transmitted across multiple carriers by examining bit streams for sequences of valid words |
| 03/11/1997 | US5610940 Method and apparatus for noncoherent reception and correlation of a continous phase modulated signal |
| 03/11/1997 | US5610911 Method and device for channel selection |
| 03/11/1997 | US5610907 Ultrafast time hopping CDMA-RF communications: code-as-carrier, multichannel operation, high data rate operation and data rate on demand |
| 03/11/1997 | US5610748 Optical space communication apparatus sending main signals and an auxiliary signal for controlling the intensity at the receiver |
| 03/11/1997 | US5610746 Programmable switched delay encoder |
| 03/11/1997 | US5610744 Optical communications and interconnection networks having opto-electronic switches and direct optical routers |
| 03/11/1997 | CA2057066C Optical communications systems |
| 03/09/1997 | CA2185039A1 Device for monitoring a spectrum multiplex telecommunications light signal and transmission installation equipped with such a device |
| 03/09/1997 | CA2185038A1 Process and system for equalizing the power levels of the channels used by a spectrum multiplex light signal |
| 03/06/1997 | WO1997008861A1 Apparatus and method for digital data transmission |
| 03/06/1997 | WO1997008574A1 Wavelength selective grating assisted optical couplers |
| 03/06/1997 | CA2229607A1 Wavelength selective grating assisted optical couplers |
| 03/04/1997 | US5608826 Wavelength division multiplexed optical modulator and multiplexing method using same |
| 03/04/1997 | US5608825 For optical signal transmission |
| 03/04/1997 | US5608571 Optical amplifiers |
| 02/27/1997 | WO1997007608A1 Optical wavelength channel multiplexer and/or demultiplexer |
| 02/27/1997 | WO1996041436A3 Wavelength division multiplexor for multi and single mode optical carrier |
| 02/26/1997 | EP0759668A2 Optical TDMA ring network with a central transmission receiving device |
| 02/25/1997 | US5606446 Optical telecommunications system employing multiple phase-compensated optical signals |
| 02/25/1997 | US5606439 Tunable add/drop optical filter |
| 02/25/1997 | CA2077881C Wavelength division multiplexer and demultiplexer |
| 02/20/1997 | WO1997006617A1 Signal routing for fibre optic networks |
| 02/20/1997 | WO1997006616A1 Improvements in or relating to optical add/drop wavelength division multiplex systems |
| 02/20/1997 | WO1997006614A1 Add/drop multiplexer |
| 02/20/1997 | DE19604438C1 Optical amplification circuit for WDM multiplexer |
| 02/20/1997 | CA2225469A1 Improvements in or relating to optical add/drop wavelength division multiplex systems |
| 02/20/1997 | CA2225468A1 Signal routing for fibre optic networks |
| 02/20/1997 | CA2224494A1 Add/drop multiplexer |
| 02/18/1997 | US5604627 Optical amplifier device |
| 02/12/1997 | EP0758173A2 Node device, network system and method for performing packet communication |
| 02/12/1997 | EP0758170A2 Wavelength division multiplexing lightwave transmission system |
| 02/12/1997 | EP0758169A2 Wavelength division multiplexing optical transmission system and wavelength division multiplexing optical transmission method |
| 02/11/1997 | US5602666 Optical dispersion compensation method for shifting a zero dispersion wavelength of an optical fiber to compensate for dispersion in an optical system |
| 02/04/1997 | US5600487 Dichroic mirror for separating/synthesizing light with a plurality of wavelengths and optical apparatus and detecting method using the same |
| 02/04/1997 | US5600481 Optical fiber amplifier and optical transmission system using the same |
| 02/04/1997 | US5600473 Optical amplifier systems with add/drop multiplexing |
| 02/04/1997 | US5600468 Apparatus for converting wavelength-division multiplexed optical signals |
| 02/04/1997 | US5600467 Method and apparatus for reducing harmonic interference on multiplexed optical communication lines |
| 02/04/1997 | US5600466 Wavelength division optical signalling network apparatus and method |
| 02/04/1997 | US5600465 Optical demultiplexer operating in synchronism with a data stream having ascertainable pulse rate |
| 02/01/1997 | CA2181218A1 Wavelength-division multiplexing telecommunication system and method providing a controlled separation of the output channels |
| 01/29/1997 | EP0755616A1 Transport network with high transmission capacity for telecommunications |
| 01/29/1997 | EP0521953B1 Optical apparatus |
| 01/28/1997 | US5598289 Optical systems making use of phenomenon of stimulated brillouin scattering |