Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 14 - Optical multiplex systems
Patents for H04J 14 - Optical multiplex systems (27,009)
09/1996
09/19/1996WO1996028936A2 Linear multi-output optical transmitter system
09/19/1996CA2213008A1 Linear multi-output optical transmitter system
09/18/1996EP0732827A2 Optical fiber network system
09/18/1996EP0732818A2 Optical transmission system for transmitting a main signal and a subsignal
09/18/1996EP0732786A1 Method and device for optical amplification
09/17/1996US5557442 Optical amplifiers with flattened gain curves
09/17/1996US5557439 Expandable wavelength division multiplexed optical communications systems
09/11/1996EP0731576A2 Gain equalization using monolithic planar waveguide grating multiplexer and demultiplexer
09/11/1996EP0730799A1 Optical unit for restoring a pulse pattern, and receiver suitable for use in a transmission system comprising such a unit
09/11/1996EP0553159B1 Passive optical network
09/11/1996CN1130829A Network system for communication with plural channels, node device, and communication method
09/10/1996US5555477 Optical transmission system constructing method and system
09/10/1996US5555330 Wavelength division multiplexed coupler with low crosstalk between channels and integrated coupler/isolator device
09/10/1996US5555121 Process for simultaneous optical modulation transposition on several wavelengths
09/10/1996US5555118 Method for removing and inserting optical carriers in a WDM optical communication system
09/04/1996EP0730173A1 Optical drop- and insert multiplexer with high isolation
09/04/1996EP0730172A1 Add-drop optical multiplexer comprising optical circulators and photoinscripted Bragg-gratings
09/04/1996EP0729677A1 Digital data communication system
09/04/1996EP0617868B1 Passive optical network structure with high fault tolerance
09/03/1996US5552920 Optically crosslinked communication system (OCCS)
09/03/1996US5552919 Tunable-filter control method, tunable-filter control apparatus and optical communication system using the same
09/03/1996US5552881 Method and apparatus for scanning a fiber optic network
09/03/1996CA2042164C A communication network
08/1996
08/28/1996EP0729248A2 Multichannel optical fiber communications
08/28/1996EP0729247A2 Method and device for optimal usage of transmission capacity in synchronous bidirectional ring networks
08/28/1996EP0729244A2 Passive optical network having amplified led transmitters
08/28/1996EP0729057A2 Coherent white light source and optical devices therewith
08/28/1996EP0728398A1 Interactive information services control system
08/28/1996CN1129870A Improved subcarrier multiple access passive optical network
08/27/1996US5550818 System for wavelength division multiplexing/asynchronous transfer mode switching for network communication
08/27/1996US5550666 System for communicating information signals at optical wavelengths
08/27/1996CA2060462C Apparatus and method for timing distribution over an asynchronous ring
08/21/1996EP0727889A2 Optical transmission system for cable television signals and video- and telecommunication signals
08/21/1996EP0727884A2 Circuit arrangement for optical frequency conversion
08/21/1996CN1129503A Insertion-extraction optical special multiplexer
08/20/1996US5548432 Passive optical network switchable between an operational mode and a diagnostic mode
08/20/1996US5548431 Bidirectional multi-channel optical ring network using WDM techniques
08/19/1996CA2169684A1 Optical transmission system for cable television signals and video and telecommunications signals
08/17/1996CA2169531A1 Circuit arrangement for optical frequency conversion
08/15/1996WO1996024998A1 Method for assignment of wavelength channels in an optical bus network
08/15/1996WO1996024994A1 Point-to-multipoint broadband services drop with multiple time slot return channel for customer premises equipement
08/15/1996WO1996024989A2 Multi-point to point communication system
08/15/1996WO1996024871A1 Arrangement and method at an optical fibre
08/15/1996CA2211553A1 Arrangement and method at an optical fibre
08/15/1996CA2211532A1 Method for assignment of wavelength channels in an optical bus network
08/13/1996US5546210 Multi-channel optical fiber communication system
08/13/1996CA2069944C Method and apparatus for transmitting broadband amplitude modulated radio frequency signals over optical links
08/07/1996CN1128607A Optical switch and transmitter and receiver for a multiplex transmission system including such a switch
08/06/1996US5543951 Method for receive-side clock supply for video signals digitally transmitted with ATM in fiber/coaxial subscriber line networks
07/1996
07/31/1996EP0724173A1 Monlithic optical waveguide filters based on Fourier expansion
07/31/1996EP0723716A1 Optical pulse sequence generator
07/31/1996EP0723676A1 Optical switching device
07/30/1996US5542010 Rapidly tunable wideband integrated optical filter
07/30/1996US5541766 Gain control for optically amplified systems
07/30/1996US5541758 Phototransmission method
07/30/1996US5541757 Optical fiber cable service system provided with video on demand service
07/30/1996US5541756 Apparatus and method for routing optical signals through wavelength-coding in a self-routed wavelength addressable network
07/25/1996WO1996022562A1 Optical switch
07/24/1996EP0723347A1 Carrier stabilization in a transmission system
07/24/1996EP0723168A2 Adjustable optical delay line
07/23/1996US5539846 System and method for transmitting parallel signals via an optical transmission path
07/23/1996US5539560 Optical router with optical control
07/23/1996US5539557 Supervisory signal receiving method and apparatus
07/18/1996DE19600982A1 Optical transmission system for video images
07/17/1996CN1126914A Optical amplifier
07/16/1996US5537634 Subcarrier-multiplexed optical transmission systems using optical channel selection
07/16/1996US5537238 Method and apparatus for making wavelength adjustments in a wavelength division multiplex system
07/10/1996EP0721275A2 OAM controll system in an optical network
07/10/1996EP0721261A1 Self-amplified optical networks
07/10/1996CA2166742A1 Focused acoustic wave fiber optic reflection modulator
07/09/1996US5535032 Optical parallel-serial converter and optical serial-parallel converter
07/04/1996WO1996020545A1 Node in optical tdm network
07/03/1996EP0720409A1 Photonic switching matrix
07/03/1996EP0720408A2 Tunable add/drop optical filter providing arbitrary channel arrangements
07/03/1996EP0720324A2 Device and method for switching control in a communication network
07/03/1996EP0720323A2 Network system with no arbitration control and node used in this network
07/03/1996EP0720322A2 Optical access communications network
07/03/1996EP0720314A1 One-dimensional optical data arrays implemented within optical networks
07/03/1996EP0719492A1 Optical communications network
07/02/1996US5532870 Optical fiber amplifier and optical amplifier repeater
07/02/1996US5532868 Apparatus and method for compensating chromatic dispersion produced in optical phase conjugation or other types of optical signal conversion
07/02/1996US5532865 Fiber optic communication terminal, fiber optic communication system, and its wavelength setting method
07/02/1996US5532864 Optical monitoring channel for wavelength division multiplexed optical communication system
07/02/1996US5532860 Spatial synchronization for optical communication system
07/01/1996CA2166355A1 Optical communications network
07/01/1996CA2163818A1 One-dimensional optical data arrays implemented within optical networks
06/1996
06/30/1996CA2166180A1 Optical switching matrix
06/27/1996WO1996019884A1 Optical add drop multiplex (oadm)
06/27/1996WO1996019743A1 Integrable fiberoptic coupler and resulting devices and systems
06/27/1996CA2207553A1 Optical add drop multiplex (oadm)
06/26/1996EP0718990A2 Method and apparatus for generating data encoded pulses in return-to-zero format
06/25/1996US5530575 Systems and methods for employing a recursive mesh network with extraplanar links
06/22/1996CA2161821A1 Method and apparatus for generating data encoded pulses in return-to-zero format
06/19/1996EP0717524A2 Polarization modulation in wavelength division multiplexed transmission systems
06/19/1996EP0717523A2 Dynamically controlled polarization modulation in wavelength division multiplexed transmission systems
06/19/1996EP0717522A2 Communication network with plural optical channels, node and concentrator for use therein
06/19/1996EP0717521A2 Optical network with subcarrier multiplexing
06/19/1996EP0717516A1 Bidirectional optical transmission system
06/19/1996EP0717515A1 Wavelength-division multiplexing telecommunication system with dispersion-shifted optical fibres
06/19/1996EP0717514A2 Optical transmission device for an optical telecommunication system in combination with a radio system
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