H04J 14 - Optical multiplex systems

Patents for H04J 14 - Optical multiplex systems (27,009)
12/1997
12/04/1997	WO1997045972A2 Method for structuring of digital data which can be transferred in both directions on a passive optical network (pon) in a pon tdma system
12/04/1997	WO1997045971A1 Wireless transmission using fiber link
12/04/1997	DE19622012A1 Remotely pumped optical power amplifier
12/04/1997	DE19622010A1 Optical transmission path esp. for high data rates and signal levels
12/04/1997	DE19621566A1 Frequency equalisation in optical networks
12/03/1997	EP0810752A2 Wavelength controlling method enabling use of wider wavelength range and network system using the method
12/03/1997	EP0809898A2 Multi-point to point communication system
12/03/1997	CN1166736A Synchronous modulation method and apparatus for in-line regeneration of WDM soliton signal, and optical telecommunications system using the method
12/02/1997	US5694234 Wavelength division multiplexing passive optical network including broadcast overlay
12/02/1997	US5694233 Switchable wavelength router
11/1997
11/29/1997	CA2206375A1 Optical amplifier relay transmission system
11/27/1997	WO1997044929A1 Optical synchronisation arrangement
11/26/1997	EP0809384A2 Network failure restoration method with different recovery performances for different signal groups
11/26/1997	EP0809372A2 Optical network unit and central unit of an optical communication network
11/26/1997	EP0808536A1 Method for assignment of wavelength channels in an optical bus network
11/26/1997	EP0808533A1 Point-to-multipoint broadband services drop with multiple time slot return channel for customer premises equipement
11/26/1997	EP0808473A1 Arrangement and method at an optical fibre
11/25/1997	US5692007 Method and apparatus for differential phase encoding and decoding in spread-spectrum communication systems with continuous-phase modulation
11/25/1997	US5691832 Coherence multiplexed transmission system
11/23/1997	CA2205990A1 Optical network unit and center of an optical communication network
11/19/1997	CN1165446A Technique for minimizing variance of inteference in packetized interference-limited wireless communication systems
11/19/1997	CN1165444A Method of identifying faults in WDM optical networks
11/18/1997	US5689594 Multiple wavelength bidirectional lightwave amplifier
11/13/1997	WO1997042543A1 Optical clock division
11/12/1997	EP0806079A1 Transmission and reception of cpm spread-spectrum communications
11/11/1997	US5687014 Optical distribution shelf for a remote terminal of an optical fiber telecommunications network
11/11/1997	US5687013 Optical communication system having loop-back function for informing congestion state of receiving node
11/06/1997	WO1997034428A3 Optical switch architecture
11/05/1997	EP0805571A2 Controller which controls a variable optical attentuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied
10/1997
10/30/1997	WO1997030529A3 Wdm switching network
10/30/1997	DE19629530C1 Fibre-optical coder/decoder for optical code/multiplex systems
10/28/1997	US5682445 Strain based optical fiber devices
10/28/1997	US5682257 Optical interface in SONET system
10/28/1997	CA2108464C Communications network and method
10/23/1997	WO1997039547A1 Variable-gain and constant passband optical amplifier and system for automatic compensation for loss variations in an optical link comprising such an amplifier
10/23/1997	CA2222268A1 Variable-gain and constant passband optical amplifier and system for automatic compensation for loss variations in an optical link comprising such an amplifier
10/22/1997	EP0802697A2 Optical transmission system
10/22/1997	EP0802645A1 Variable gain and constant passband optical amplifier and automatic loss variation compensation system in an optical link incorporating such an amplifier
10/22/1997	EP0802640A1 Amplification method and apparatus for channels extracted from a wavelength division multiplex
10/22/1997	CN1162856A Optical amplifiers
10/21/1997	US5680546 Passive optical network structure with high fault tolerance
10/21/1997	US5680490 Comb splitting system and method for a multichannel optical fiber communication network
10/21/1997	US5680414 Synchronization apparatus and method for spread spectrum receiver
10/21/1997	US5680247 Optical amplification monitoring apparatus
10/21/1997	US5680238 Hybrid SCM optical transmission apparatus
10/21/1997	US5680235 For transmitting information on wavelength channels
10/21/1997	US5680234 Passive optical network with bi-directional optical spectral slicing and loop-back
10/15/1997	EP0801475A2 Optical amplifying apparatus and linear relay optical amplifier transmitter
10/14/1997	US5678198 System for controlling signal level at both ends of a transmission link, based upon a detected value
10/14/1997	US5677778 Optical interconnect for high speed processors
10/12/1997	CA2202543A1 Process and device for amplifying channels demapped from a wavelength multiplex
10/08/1997	EP0800292A2 Time division multiplexing of digital video signals
10/08/1997	EP0800291A2 Optical add-drop device
10/08/1997	EP0799537A1 Node in optical tdm network
10/08/1997	EP0799536A1 Optical add drop multiplex (oadm)
10/08/1997	EP0799432A1 Integrable fiberoptic coupler and resulting devices and systems
10/07/1997	US5675676 Optical branching apparatus and transmission line switching method
10/07/1997	US5675675 For routing optical signals within different wavelength channels
10/07/1997	US5675432 Optical amplification apparatus
10/07/1997	CA2073994C Selection of transmission facilities using optical wavelength division multiplexing
10/02/1997	WO1997036403A1 Bitstream management
10/02/1997	WO1997036392A1 Combination of a star optical network and a passive optical network
10/02/1997	DE19631109C1 Optical wavelength multiplex device
10/01/1997	EP0798882A2 Method and apparatus for monitoring and correcting individual wavelength channel parameters in a multi-channel wavelength division multiplexer system
09/1997
09/30/1997	US5673267 Method of allocating carrier frequencies for simultaneous transmission of a plurality of modulated signals especially on an optical link
09/30/1997	US5673133 Phase synchronization system
09/25/1997	DE19611426A1 Optical star network with multiplexer-demultiplexer arrangement
09/25/1997	DE19611424A1 Kombination eines optischen Sternnetzes und eines passiven optischen Netzes Combination of an optical star network and a passive optical network
09/24/1997	EP0797309A2 Optical wavelength demultiplexer for a video passive optical network
09/24/1997	EP0796530A1 OPTICAL NxN WAVELENGTH CROSSCONNECT
09/23/1997	US5671074 Optical multiplex transmission equipment and method
09/18/1997	WO1997034428A2 Optical switch architecture
09/18/1997	WO1997034421A1 Data transmission using atm over hybrid fiber coax
09/18/1997	WO1997034193A2 All-optical bit phase sensing
09/16/1997	US5668652 Optical WDM (wavelength division multiplexing) transmission system and method for configuring the same
09/10/1997	EP0794684A1 Optical packet switching network
09/10/1997	EP0794629A2 Optical add-drop multiplexer
09/10/1997	EP0794628A2 Optical receiving apparatus
09/10/1997	EP0794599A2 Gain equalizer which includes a plurality of optical filters for equalizing the gain of an optical amplifier
09/03/1997	EP0793368A1 Technique for minimizing the variance of interference in packetized interference-limited wireless communication systems
09/02/1997	US5663822 Optical comb generator using optical white noise source
09/02/1997	US5663820 Optical network using multiplexed payload and OAM signals
09/02/1997	CA2129778C Wavelength selective optical switch
08/1997
08/28/1997	WO1997031443A1 Channel selection in an optical tdma network
08/28/1997	WO1997031436A1 Dark pulse tdma optical network
08/28/1997	CA2245716A1 Dark pulse tdma optical network
08/27/1997	EP0792047A2 Node interconnection using multiple channels
08/27/1997	EP0792038A1 Monitoring system of a multi-wavelength ring network
08/27/1997	EP0792035A2 Method of fast gain control in WDM optical networks
08/27/1997	EP0792034A2 Optical transmission device, WDM optical transmission apparatus, and optical transmission system using return-to-zero optical pulses
08/26/1997	US5661585 Passive optical network having amplified LED transmitters
08/26/1997	US5661584 Optoelectronic apparatus
08/26/1997	US5661580 SCM type of optical signal transmission system without clipping distortion
08/23/1997	WO1997031442A1 Multiple reflection multiplexer and demultiplexer
08/23/1997	CA2212527A1 Multiple reflection multiplexer and demultiplexer
08/21/1997	WO1997030529A2 Wdm switching network
08/21/1997	WO1997030527A1 Optical pulse source
08/21/1997	DE19605808A1 WDM-Koppelanordnung WDM switching network
08/20/1997	EP0790721A2 Transmission control method in network system for signal transmission by plural channels and network system therefor
08/20/1997	EP0790720A2 Optical frequency coded (CDMA) transmission system and optical receiver for such a system

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