Patents
Patents for H04J 14 - Optical multiplex systems (27,009)
08/1995
08/31/1995WO1995023461A1 Method and apparatus for optical wireless communication
08/31/1995DE4406509A1 Bidirectional subscriber coupling network
08/23/1995EP0668707A2 Connection network
08/23/1995EP0668676A1 Initial measurement of TDMA systems with a passive optical network
08/23/1995EP0668675A2 Multi-channel optical fiber communication system
08/23/1995EP0668674A2 Optical wavelength division multiplexed network system
08/22/1995US5443227 Switching control for multiple fiber-guided missile systems
08/17/1995WO1995020847A3 Wdm network with control wavelength
08/16/1995EP0667690A2 Optical wavelength division multiplexer for high speed, protocol-independent serial data sources
08/09/1995EP0666485A1 Optical channel adding/dropping filter
08/08/1995US5440417 System for spectrum-sliced fiber amplifier light for multi-channel wavelength-division-multiplexed applications
08/08/1995US5440416 Optical network comprising a compact wavelength-dividing component
08/08/1995US5440415 Optical successive modulation-muliplexing for fiber optical network
08/03/1995WO1995020847A2 Wdm network with control wavelength
08/01/1995US5438445 Optical wavelength multiplexing communication system
08/01/1995US5438444 Optical routing system
08/01/1995US5438440 Holographic code division multiple access
07/1995
07/26/1995EP0664624A2 Method and device for transmission and switching of packets in an optical network
07/25/1995US5436760 Optical fiber amplifier with gain equalizing circuit
07/22/1995CA2135223A1 Optical channel adding/dropping filter
07/20/1995WO1995019689A1 Interconnected passive optical networks
07/19/1995EP0663738A1 Transmission method and amplified spectral multiplexed optical link
07/18/1995US5434937 Optical filter having integrated transceivers
07/14/1995CA2139813A1 Transmission process and multiplex optical link with amplification
07/12/1995EP0502004B1 Passive optical network
07/11/1995US5432632 Optical communication system
07/11/1995US5432628 Optical communications network
07/04/1995US5430568 Optical communications system for transmitting information signals having different wavelengths over a same optical fiber
06/1995
06/28/1995EP0660637A2 Large capacity multi-access wavelength division multiplexing packet network
06/28/1995EP0660636A1 Method and device for switching optical signals using only one delay line
06/28/1995EP0660549A1 Dual-wavelength data transmitter for reducing fading in an optical transmission system
06/28/1995EP0660548A1 Technique for improving performance in an optical transmission system
06/28/1995EP0660546A1 Sub-carrier multiple access network
06/24/1995CA2133132A1 Technique for improving performance in an optical transmission system
06/22/1995WO1995017055A1 Passive optical network for video on demand
06/21/1995EP0658992A1 An optical transmission system
06/21/1995EP0658781A2 Resonant filter for wavelength division multiplexing optical communication systems
06/20/1995US5426527 System for transmitting multiple signals across a single fiber optic channel
06/14/1995EP0657075A1 Flexible network concept
06/13/1995US5425020 Skew measurement for receiving frame-groups
06/06/1995US5422968 Optical demultiplexing system with optical amplifiers
05/1995
05/31/1995EP0655874A2 Fast tunable channel dropping filter
05/31/1995EP0655632A1 Optical filter having integrated transceivers
05/24/1995EP0654917A2 High-density optical wavelength division multiplexing
05/24/1995EP0654872A1 Optical fiber amplifier and optical amplifier repeater
05/23/1995US5418785 Multiple-channel token ring network with single optical fiber utilizing subcarrier multiplexing with a dedicated control channel
05/23/1995US5418637 Cascaded distortion compensation for analog optical systems
05/18/1995WO1995013681A1 Interactive information services control system
05/17/1995CA2130775A1 Optical filter having integrated transceivers
05/16/1995US5416625 Optical demultiplexing system
05/11/1995WO1995012945A1 Despreading/demodulating direct sequence spread spectrum signals
05/10/1995EP0652655A1 Transmission system
05/10/1995EP0652652A1 Method and apparatus for receiving monitoring signal
05/04/1995DE4337089A1 Transparent optical ring network with optional switching-through or injection and extraction of signals in the ring nodes
05/03/1995EP0651529A1 Optical transparent ring network with dropping of one wavelengthsignal in plural ringnodes
05/03/1995EP0651528A1 Optical transparent ring network with redundant paths
05/03/1995EP0651476A1 A method of mitigating gain peaking using a chain of fiber amplifiers
05/03/1995CA2128597A1 Method of mitigating gain peaking using a chain of fiber amplifiers
04/1995
04/25/1995US5410624 Filter for a wavelength division multiplex system
04/20/1995WO1995010896A1 Lightwave distribution system for audio and video services and terminal equipment therefor
04/20/1995WO1995010870A1 Optical pulse sequence generator
04/20/1995WO1995010795A1 Optical switching device
04/20/1995DE4433793C1 Method for transmitting subscriber-individual services and distribution services
04/20/1995CA2150010A1 Lightwave distribution system for audio and video services and terminal equipment therefor
04/19/1995EP0649232A2 Switching control for multiple optical-fiber-guided missile systems
04/19/1995EP0649229A1 Optical local area network
04/19/1995EP0649040A2 Optical passband filter
04/18/1995US5408555 Polarization insensitive wavelength multiplexing 2×2 fibre couplers
04/18/1995US5408351 Optical communication system
04/12/1995EP0647994A1 Spectrum-sliced fiber amplifier light source for multi-channel wavelength-division-multiplexed applications
04/11/1995US5406553 Apparatus and method for converting a frequency division multiplex to a time division multiplex
04/11/1995US5406404 Method of mitigating gain peaking using a chain of fiber amplifiers
03/1995
03/29/1995EP0645908A2 Method for time-division multiplexing
03/29/1995EP0645907A2 Method and device for channel selection
03/29/1995EP0645906A1 Optical CATV system
03/28/1995US5402256 Optical time slot interchanger apparatus and method of operation
03/23/1995WO1995008247A1 Optical communications network
03/23/1995DE4424139C1 Optical WDM coupling arrangement
03/22/1995EP0643888A1 Optical communication system
03/21/1995US5400163 Multiplex digital communication system for transmitting channel identification information
03/15/1995EP0643505A1 Multirate frames for a branched star telecommunications network
03/15/1995EP0643459A1 Method of transferring optical modulation simultaneously over a multitude of wavelengths
03/15/1995CN1100203A High capacity optical fiber network
03/14/1995US5398129 Passive optical telecommunication system for narrow band and broadband integrated services digital networks
03/08/1995EP0642288A2 Time and wavelength division switching system
03/08/1995EP0642244A2 Network for connecting a plurality of nodes using a plurality of channels
03/07/1995US5396360 Wavelength-multiplexed optical communication system and optical amplifier used therefor
03/07/1995US5396359 Node for grid type single mode fiber optic local area network using tunable filters
03/07/1995US5396357 Fault tolerant optical cross-channel data link
02/1995
02/28/1995US5394489 Wavelength division multiplexed optical communication transmitters
02/28/1995CA2021516C Optical sub-carrier multiplex television transmission system using a linear laser diode
02/22/1995EP0639905A1 Optical fibre digital communication system with time division multiple access
02/21/1995US5392154 Self-regulating multiwavelength optical amplifier module for scalable lightwave communications systems
02/16/1995WO1995005041A1 Optical fibre communications system
02/15/1995EP0639011A1 Coherence multiplexed transmission system
02/15/1995EP0638837A1 Device for extraction and re-insertion of an optical carrier in optical communications networks
02/15/1995EP0638836A1 Wavelength selective optical switch
02/14/1995US5390185 Transmission system for a combination of a main signal and an auxiliary signal
02/14/1995US5390043 Compressed channel spacing for optical heterodyne communication systems
02/14/1995CA2033475C Passive tap network