Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 14 - Optical multiplex systems
Patents for H04J 14 - Optical multiplex systems (27,009)
09/2003
09/10/2003CN1121103C Method and device for realizing burst synchronization
09/09/2003US6618517 Cascadable large optical cross-connect
09/09/2003US6618176 Remodulating channel selectors for WDM optical communication systems
09/09/2003US6618129 Technique for combined spectral, power, and polarization monitoring
09/09/2003US6616351 Bidirectional optical amplifying apparatus and optical gain controlling method in a bidirectional WDM optical communication network
09/09/2003US6616350 Method and apparatus for providing a more efficient use of the total bandwidth capacity in a synchronous optical network
09/09/2003US6616349 Two-fiber interconnected ring architecture
09/09/2003US6616348 Method and optical communication network for bidirectional protection protocols
09/08/2003CA2420972A1 Optical signal delay unit
09/04/2003WO2003073672A1 Polarization alternating trasmission systems, apparatuses, and methods
09/04/2003WO2003073671A2 Apparatus and method for planned wavelength addition and removal in a wavelength division multiplexed system
09/04/2003WO2003073145A2 Method and apparatus for integrating an optical transmit module
09/04/2003WO2003073144A1 Network healing smart fiber optic switch
09/04/2003WO2003073138A2 Systems and methods for optical networking
09/04/2003WO2003073137A2 Systems and methods for active monitoring and management of fiber links
09/04/2003WO2003028260A3 Method and apparatus for transmission of upstream data in an optical network
09/04/2003US20030165341 Optical transmitter for transmitting signals with high data rates, an optical transmission system and a method therefore
09/04/2003US20030165340 System and method for determining a cause of electrical signal degradation based on optical signal degradation
09/04/2003US20030165286 Wavelength division multiplex transmission system
09/04/2003US20030165284 PMD compensating apparatus for controlling polarization controller based on detection of magnitude of waveform distortion
09/04/2003US20030165173 Multiple modulated wavelengths in a compact laser
09/03/2003EP1341334A1 Polarization alternating transmission systems, apparatuses, and methods
09/03/2003EP1341333A2 Multiple modulated wavelengths in a compact laser
09/03/2003EP1341273A2 Wideband erbium doped fiber amplifier capable of minimizing band crosstalk
09/03/2003EP1340324A2 Optical performance monitoring for d/wdm networks
09/03/2003CN1439911A Sine twitter superlattice structure
09/02/2003US6614956 Bidirectional WDM optical communication system with bidirectional optical service channels
09/02/2003US6614953 Modular all-optical cross-connect
09/02/2003US6614950 Fiber bragg grating-based optical CDMA encoder/decoder
09/02/2003US6614948 Electrically switchable optical elements using wavelength locked feedback loops
09/02/2003US6614589 Method and system for controlling amplifier power in an optical communications network
09/02/2003US6614586 Methods and systems for high performance, wide bandwidth optical communication systems using Raman amplification
09/02/2003US6614583 Variable optical delay
09/02/2003US6614573 Switchable interleaved channel separator devices and systems
09/02/2003US6614568 Wavelength-cyclic communication network and wavelength-cyclic modules
09/02/2003US6614567 Apparatus and method for upgrading the capacity of wavelength division multiplexed optical networks
09/02/2003US6614510 Multi-function optical system
08/2003
08/28/2003WO2003071720A1 An optical module with multiplexer
08/28/2003WO2003001737A3 Method and system for processing upstream packets of an optical network
08/28/2003WO2002035749A3 Optical communications network and node for forming such a network
08/28/2003WO2002033446A3 Method and system for high channel capacity wave division multiplexer and de-multiplexer using reflective and transmission holographic methodologies for optical communications and the like
08/28/2003WO2002017533A3 Optical transmission systems including optical protection systems, apparatuses, and methods
08/28/2003WO2001079898A3 Optical filter having a quartz substrate
08/28/2003WO2001008422A3 Method and apparatus for improving transmission performance over wdm optical communication links using fec coding
08/28/2003US20030163555 Multi-tiered control architecture for adaptive optical networks, and methods and apparatus therefor
08/28/2003US20030161637 Bi-directional optical transmission system, and master and slave stations used therefor
08/28/2003US20030161636 Optical packet header identifier, optical router incorporating the same therein, and optical routing method using the router
08/28/2003US20030161635 WDM optical network with passive pass-through at each node
08/28/2003US20030161634 Efficient and scalable data transport system for DWDM cable TV networks
08/28/2003US20030161630 System and method of setting thresholds for optical performance parameters
08/28/2003US20030161629 Linear optical transmission system with failure protection
08/28/2003US20030161583 Wavelength-multiplexing connector, optical transmission device, and optical communication system
08/28/2003US20030161570 Method and apparatus for integrating an optical transmit module
08/28/2003US20030161033 Wideband erbium doped fiber amplifier capable of minimizing band crosstalk
08/27/2003EP1339179A2 Bi-directional optical transmission system, and master and slave stations used therefor
08/27/2003EP1339173A2 Receiver for spread spectrum signals
08/27/2003EP1338102A2 Optical fiber for to-the-home distribution networks
08/27/2003EP1337884A1 Integrated optical multiplexer and demultiplexer
08/27/2003CN1119680C Single-fibre bidirectional optical split and complexer module
08/26/2003US6611639 Optical module for multi-channel wavelength multiplexing
08/26/2003US6611638 High performance optical add/drop multiplexer and optical wavelength multiplexing network
08/26/2003US6609840 Wave length associative addressing system for WDM type light packet steering
08/26/2003US6609839 Device including a saturable absorber for regenerating a wavelength-division multiplex signal
08/21/2003WO2003069820A1 Wdm transmission link design
08/21/2003WO2003069810A2 Optical fiber communication systems with brillouin effect amplification
08/21/2003WO2003069388A2 Wavelength- and polarization-dependent ring resonator optical circuits
08/21/2003WO2002021746A3 Communication system
08/21/2003WO2001095534A3 Optical processor enhanced receiver architecture (opera)
08/21/2003US20030156847 Optical encoding method and encoder for optical code division multiplexing
08/21/2003US20030156846 Wavelength division multiplexed optical communication system having tunable multi-channel dispersion compensating filters
08/21/2003US20030156841 Power and wavelength management for mixed-rate optical data systems
08/21/2003US20030156840 Wavelength division multiplexing optical transmission apparatus and communication system using the same
08/21/2003US20030156780 Tunable filter
08/21/2003US20030156603 Apparatus and method for trellis encoding data for transmission in digital data transmission systems
08/21/2003US20030156317 Communications network architecture
08/21/2003CA2475088A1 Optical fiber communication systems with brillouin effect amplification
08/20/2003EP1337060A2 Optical encoding method and encoder for optical code division multiplexing
08/20/2003EP1135707B1 Array and method for monitoring the performance of dwdm multiwavelenght systems
08/20/2003CN2567880Y Wave division multiplex device
08/20/2003CN1437806A Arrangement for producing a wavelength-multiplex signal with small interchannel spaces
08/20/2003CN1437703A Wavelength monitor for WDM systems
08/20/2003CN1437356A Method for establishing recovery type path of different faults in one communication network
08/20/2003CN1437347A Optical communication network and design method of optical communication network
08/20/2003CN1437346A Multiple wavelength light signal processor and its making process
08/20/2003CN1437034A Optical multiplexer and producing method thereof
08/20/2003CN1118983C 光传输系统 The optical transmission system
08/19/2003US6608948 Periodic arrayed waveguide grating multiplexer/demultiplexer
08/19/2003US6608835 Communication system with multicarrier telephony transport
08/19/2003US6608721 Optical tapped delay line
08/19/2003US6608719 Comb wavelength division multiplexer
08/19/2003US6608709 Bidirectional WDM optical communication system with bidirectional add-drop multiplexing
08/19/2003US6607313 Micro-optic delay element for use in a polarization multiplexed system
08/19/2003US6607312 Method and device for broadcasting signals over a wavelength-division multiplexed network
08/14/2003WO2003067796A1 Wavelength division multiplex optical telecommunications network
08/14/2003WO2003067795A1 Path protection in wdm network
08/14/2003WO2003067768A2 Pulse generation for optical communications
08/14/2003WO2003028264A3 Light source for generating an output signal having spaced apart frequencies
08/14/2003WO2003001894A3 System and method for controlling spectral passband profile
08/14/2003WO2002071671A3 Wavelength division multiplexing add-drop multiplexer using an optical tapped delay line
08/14/2003WO2002058285A3 Optical cdma communications system using otdl device
1 ... 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 ... 271