Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 14 - Optical multiplex systems
Patents for H04J 14 - Optical multiplex systems (27,009)
12/2000
12/19/2000US6163393 Method and apparatus for wavelength multipexing/demultiplexing
12/19/2000US6163392 Distributed intelligence wavelength division multiplexed network
12/19/2000CA2196817C Method and apparatus for monitoring and correcting individual wavelengthchannel parameters in a multi-channel wavelength division multiplexer system
12/19/2000CA2164355C Dynamically controlled polarization modulation in wavelength division multiplexed transmission systems
12/17/2000CA2311883A1 N x m optical switch
12/16/2000CA2311023A1 A method of transmitting data via an optical wdm transmission system and a wdm transmission system
12/15/2000CA2311144A1 Optical ring network having enhanced security and reduced loss
12/15/2000CA2310972A1 Optical add-drop module with low loss and high isolation
12/15/2000CA2310949A1 Wideband optical packet ring network
12/15/2000CA2310882A1 Broadband amplified wdm ring
12/14/2000WO2000076106A1 Method and apparatus for providing loss equalization and adjustment in a fiber optic network
12/14/2000WO2000076105A1 Communication system and method with optical banding and optical management bus
12/14/2000WO2000076103A1 Optical slicing network utilizing a high extinction ratio polarization beamsplitter
12/14/2000WO2000076102A1 Optical cdma using a cascaded mask structure
12/14/2000WO2000076092A1 Dual homing for dwdm networks in fiber rings
12/14/2000WO2000075711A2 Fiber optic smart switch
12/14/2000WO2000048055A3 Fiber optic dense wavelength division multiplexer having glass blocks and nonlinear interferometer for separating wavelengths
12/14/2000CA2376154A1 Optical slicing network utilizing a high extinction ratio polarization beamsplitter
12/14/2000CA2373361A1 Fiber optic smart switch
12/14/2000CA2338027A1 Optical cdma using a cascaded mask structure
12/13/2000EP1059758A2 Optical transmitter and optical transmitter control method using variable duty ratio setting and alternate phase inversion for optical clock pulses
12/13/2000EP1059753A2 Wavelength monitor using hybrid approach
12/13/2000EP1059751A2 Communication apparatus and system
12/13/2000EP1059747A1 Compensation of the Raman effect using pumping in a WDM optical transmission system
12/13/2000EP1059745A2 Wavelength stabilized, tunable optical transmitter with high SMSR
12/13/2000EP1058979A1 Virtual star network
12/13/2000CN1276935A Optical amplifier control
12/12/2000US6160933 Optical fiber wavelength multiplexer-demultiplexer
12/12/2000US6160931 Wavelength-multiplexing optical transmission system provided with wavelength selectors
12/12/2000US6160819 Method and apparatus for multiplexing bytes over parallel communications links using data slices
12/12/2000US6160659 Method and apparatus for monitoring the momental wavelength of light, and an optical amplifier and an optical communication system which incorporate the method and apparatus to adjust gain tilt
12/12/2000US6160656 Method and apparatus for optical correlation recognition by time-integrated nonlinear detection
12/12/2000US6160652 Optical address decoder
12/12/2000US6160651 Optical layer survivability and security system using optical label switching and high-speed optical header reinsertion
12/12/2000US6160650 Optical regeneration for wavelength-division multiplex soliton signal fiber optic transmission systems
12/12/2000US6160649 Optical power measuring system terminal station and repeater therefor
12/12/2000CA2284243C Optical processing device operating in a wavelength-synchronized mode and an optical circuit exchanger that uses such an optical processing device
12/12/2000CA2203318C Optical equalizer and optical amplifier and wavelength multiple optical transmission apparatus using optical equalizer
12/12/2000CA2195470C Passive routing optical communications process and system
12/10/2000CA2309789A1 Compensation for raman effect by pumping in wavelength division multiplexing transmission system
12/07/2000WO2000074278A1 Wdm passive optical network with broadcast overlay
12/07/2000WO2000074186A1 Wavelength selectable fiber laser system
12/07/2000CA2375434A1 Wavelength selectable fiber laser system
12/06/2000EP1058475A2 Optical cross-connect equipment
12/06/2000EP1058415A2 Wavelenght allocation in a ring
12/06/2000EP1058138A1 Multiplexer/demultiplexer having three waveguides
12/06/2000EP1057298A1 Self-synchronization of an optical packet network using seed pulses extracted from within the packets
12/06/2000EP1057297A1 Connection set-up and path assignment in wavelength division multiplexed ring networks
12/06/2000EP1057290A1 Multiplexer and demultiplexer for single mode optical fiber communication links
12/06/2000EP1057073A1 Tunable optical add/drop multiplexer
12/06/2000CN1276095A Optical amplifier apparatus
12/05/2000US6157481 Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of the channels are varied
12/05/2000US6157477 Bidirectional dispersion compensation system
12/05/2000US6157475 Optical channel regulator and method
12/04/2000CA2311157A1 Multiplexer/demultiplexer with three waveguides
12/01/2000CA2308967A1 Wavelength allocation in a ring
12/01/2000CA2298732A1 10 gigabit ethernet mappings for a common lan/wan pmd interface and simple universal pmd interface
11/2000
11/30/2000WO2000072492A1 Polarization-division multiplexing based on power encoding of different polarization channels
11/30/2000WO2000072491A2 Method and system for increasing a number of information channels carried by optical waveguides
11/30/2000WO2000072490A1 Apparatus and methods for maintaining balanced communication channels with increasing service demands
11/30/2000WO2000072479A1 Method and apparatus for optical transmission control using compensating channels
11/30/2000DE19940050A1 Optical mixing element for add-drop or drop-and-continue module
11/30/2000CA2371686A1 Optical transmission systems and amplifier control apparatuses and methods
11/29/2000EP1056235A2 Optical ring system
11/29/2000EP1056228A2 Linearized optical link using a single Mach-Zender modulator and two optical carriers
11/29/2000EP1056227A1 Multi-point optical link in a cellular radio system for CDMA signals
11/29/2000EP1055299A2 Upgradable, gain flattened fiber amplifiers for wdm applications
11/29/2000EP1055298A2 Optical telecommunications network
11/29/2000EP1055150A1 Device for switching and scanning clocked optical data signals
11/29/2000EP1055143A1 Cascading of tunable optical filter elements
11/29/2000CN1275277A Method and apparatus for operation, protection and restoration of heterogenous optical communication networks
11/29/2000CN1275006A Optical multiplex loop system
11/29/2000CN1275004A Light transmission system and transmitter and receiver thereof
11/28/2000US6154588 Dispersion compensation apparatus
11/28/2000US6154585 11/2×2 optical switch
11/28/2000US6154471 Magnetically tunable and latchable broad-range semiconductor laser
11/28/2000CA2192100C Detection of a low level marshalling sequence
11/23/2000WO2000070806A1 Receiver and method for optically transmitting information
11/23/2000WO2000070804A1 Photonic integrated circuit for optical cdma
11/23/2000WO2000070380A1 Optical device, terminal station apparatus and system for wavelength division multiplex
11/23/2000CA2338042A1 Photonic integrated circuit for optical cdma
11/22/2000EP1054524A2 Optical redundant switching method of optical wavelength multiplex system
11/22/2000EP1054521A1 Method of optical signal transmission with reduced degradation by non-linear effects
11/22/2000EP1054489A2 An optical amplifier
11/22/2000EP1053614A1 Dense wdm in the 1310nm band
11/22/2000CN1274216A Reference wave length providing equipment of performance monitor in wave division complex optical transmitting system
11/21/2000US6151304 Distributed precomputation of network signal paths with improved performance through parallelization
11/21/2000US6151159 Optical amplifier for wavelength multiplex transmission
11/21/2000US6151148 Optical amplifier relay transmission system
11/21/2000US6151147 Optical communication apparatus
11/21/2000US6151146 Method and apparatus for shaping a binary signal
11/21/2000US6151144 Wavelength division multiplexing for unbundling downstream fiber-to-the-home
11/21/2000CA2241991C Dynamic reconfiguration of a wireless network using flexible wavelength multiplexing
11/21/2000CA2196364C Method of fast gain control in wdm optical networks
11/16/2000WO2000069127A1 Communications network
11/16/2000WO2000069126A1 Optical communications network
11/16/2000WO2000069125A1 Optical communications network
11/16/2000WO2000069104A2 Rf return optical transmission
11/16/2000WO2000069103A2 Assembly for monitoring the performance of d-wdm multi-frequency systems
11/16/2000DE19918630A1 Anordnungen zur Überwachung der Performance von D-WDM Mehrwellenlängensystemen Arrangements for monitoring the performance of D-WDM multi-wavelength systems
1 ... 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 ... 271