Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 14 - Optical multiplex systems
Patents for H04J 14 - Optical multiplex systems (27,009)
01/1997
01/28/1997US5598287 Multiple access telecommunication network
01/23/1997WO1997000459A3 Optical multiplexing device
01/22/1997EP0755138A2 Network node device
01/21/1997US5596667 Application of phase conjugate optics to optical systems
01/21/1997US5596661 Monolithic optical waveguide filters based on Fourier expansion
01/21/1997US5596438 Photoconductive spread-spectrum communications system
01/21/1997US5596436 Subcarrier multiplexing with dispersion reduction and direct detection
01/16/1997WO1997001907A1 Self-healing network
01/16/1997WO1997001897A1 Add/drop multiplexer node
01/15/1997EP0753946A2 Optical transmission system with wavelength multiplexing
01/14/1997US5594581 Low loss optical transmission/monitoring path selection in redundant equipment terminals
01/14/1997US5594578 Optical communications system including doped optical fiber filter
01/14/1997US5594577 Optical receiver and optical transmission system using the receiver
01/14/1997US5594576 In an optical fiber communications network
01/09/1997DE19627216A1 Vorrichtung zur Färbung optischer Signale Apparatus for coloring optical signals
01/07/1997USH1626 Fiber optic network system with low crosstalk using code-division multiplexing
01/03/1997WO1997000565A1 Cdma communication system in which bit rates are dynamically allocated
01/03/1997WO1997000459A2 Optical multiplexing device
01/03/1997WO1997000458A1 Optical multiplexing device and method
01/03/1997CA2216793A1 Optical multiplexing device and method
01/02/1997EP0751637A2 Wideband optical signal amplifying circuit
01/02/1997EP0751635A2 Supervisory apparatus for wavelength-division-multiplexed optical data communications
12/1996
12/31/1996US5589970 Locking apparatus for optical frequency multiplex system
12/31/1996US5589969 Wavelength division multiplexed optical fiber transmission equipment
12/31/1996US5589968 Mode-locked diode laser based optical communication system
12/31/1996US5589967 Method and device for transmitting and switching packets in an optical network
12/31/1996CA2055954C Distance-measuring method and transmitting and receiving station for carrying out the same
12/27/1996EP0750409A1 Reconfigurable device for inserting and extracting wave lengths
12/24/1996US5587830 High capacity optical fiber network
12/19/1996WO1996041436A2 Wavelength division multiplexor for multi and single mode optical carrier
12/19/1996WO1996041431A1 Optically cross-linked communication system (occs)
12/19/1996DE19530644C1 Optical channel multiplexer and demultiplexer
12/18/1996EP0749224A2 Multi-channel optical fiber communication system
12/18/1996EP0748542A1 Method and apparatus for optical wireless communication
12/11/1996EP0748076A2 WDM network system for performing bidirectional transmission, and node device and transmission control method used in the system
12/11/1996CN1137848A Digital data communication system
12/10/1996US5583855 Add/drop multiplexer apparatus
12/10/1996US5583853 Synchronous CDMA transmitter/receiver
12/10/1996US5583683 Optical multiplexing device
12/05/1996DE19518295C1 Arrangement for optical amplification
12/03/1996US5581554 Multiple access telecommunication network
12/03/1996US5581387 Optical data communications network with a plurality of optical transmitters and a common optical receiver connected via a passive optical network
11/1996
11/28/1996WO1996038017A1 Optical switch
11/28/1996DE19519486A1 Optical transceiving device for bidirectional transmission via optical fibre
11/27/1996EP0744797A1 Multiwavelength source
11/26/1996US5579421 Optical integrated circuits and methods
11/26/1996US5579143 Optical system with tunable in-fiber gratings
11/25/1996CA2177220A1 Multiwavelength light wave source
11/21/1996WO1996024989A3 Multi-point to point communication system
11/21/1996DE19517966A1 Analysis of subscriber stations in optical TDM/TDMA systems
11/20/1996EP0743772A1 Transmission ring network with wavelength multiplexing
11/20/1996EP0743771A2 Optical communication method for performing communication using a plurality of wavelengths, and optical communication system for performing communication using a plurality of wavelengths
11/19/1996US5576875 Telecommunications network organized in reconfigurable wavelength-division-multiplexed optical loops
11/19/1996US5576874 Optical distribution shelf for a remote terminal of an optical fiber telecommunications network
11/14/1996DE19602677C1 Frequency stabilisation method for WDM multiplexer=demultiplexer with optical phased array
11/13/1996EP0741934A1 Wdm network with control wavelength
11/13/1996CN1135819A Optical fiber communications system
11/12/1996US5574589 Self-amplified networks
11/12/1996US5574586 Simultaneous optical compression and decompression apparatus
11/12/1996US5574584 Wavelength division multiplexing passive optical network with bi-directional optical spectral slicing
11/07/1996WO1996035270A1 Method and apparatus for despreading spread spectrum signals
11/07/1996WO1996028936A3 Linear multi-output optical transmitter system
11/07/1996DE19602674C1 Optical amplifier circuit for WDM multiplexer-demultiplexer
11/06/1996EP0740892A1 Interconnected passive optical networks
11/05/1996US5572612 Bidirectional optical transmission system
11/05/1996US5572350 Method and apparatus to compensate for differential attenuation in an optical time slot interchanger
11/05/1996US5572349 Communications system
10/1996
10/31/1996DE19516262A1 Photonic time cell selector apparatus for digital optical time multiplex signal
10/30/1996EP0740432A2 Method and apparatus for making wavelength adjustments in a wavelength division multiplex system
10/30/1996CN1134771A Interactive information services control system
10/30/1996CN1134638A Network system as no arbitration control required, node device utilized in network system, and transmission control method for node device
10/29/1996US5570219 Optical transmitter for subcarrier frequency multiplexed optical transmission system
10/22/1996US5568303 Unit for generating signal pulses, transmitter comprising such a unit, and multiplex transmission system comprising such a transmitter
10/22/1996US5568302 Method of transmitting data via an optical data link
10/17/1996WO1996032787A1 Optical multichannel system
10/16/1996EP0738055A2 Phase synchronization system
10/16/1996CN1133652A Optical pulse sequence generator
10/15/1996US5566018 Apparatus for adjusting channel width of multi-channel fiber amplifier light source
10/15/1996US5566015 Optical demultiplexer with high speed superconducting switch
10/15/1996US5566014 Tunable add/drop optical filter providing arbitrary channel arrangements
10/10/1996WO1996031964A1 Optical network and arrangement and method in such network
10/10/1996DE19512193A1 Crossed ping-pong method for passive optical networks
10/09/1996EP0736850A1 Method for preventing shoplifting and electronic theft detection system
10/09/1996CN1133095A Optical switching device
10/09/1996CN1132970A Wavelength-dibision multiplexing telecommunication system with dispersion-shifted optical fibres
10/08/1996US5563733 Optical fiber amplifier and optical fiber transmission system
10/03/1996WO1996031029A1 Dark pulse generation and transmission
10/03/1996WO1996031025A1 Optical node in an optical bus network
10/02/1996EP0735710A2 Device for demultiplexing of an optical digital signal
10/02/1996EP0734623A1 Passive optical network for video on demand
10/02/1996DE19518294C1 Optical amplifier for bidirectional wavelength multiplex optical transmission system
10/01/1996CA2171173A1 Apparatus for demultiplexing an optical digital signal
10/01/1996CA2078482C Optical transmission system equalizer
09/1996
09/26/1996DE19535801C1 Amplification regulation of optical fibre amplifier in wavelength multiplex system
09/26/1996DE19515688C1 Optical transmission/reception module for bidirectional wavelength multiplex transmissions
09/25/1996EP0734131A1 Method for administrating an optical ring with wavelength multiplexing
09/25/1996EP0734130A1 Wavelength allocation in an optical communication system
09/25/1996EP0734129A2 Multi-wavelength optical batch amplification apparatus
09/25/1996EP0733921A2 Optical add-drop multiplexer for optical communication networks
09/24/1996US5559624 Communication system based on remote interrogation of terminal equipment
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