H04J 14 - Optical multiplex systems

Patents for H04J 14 - Optical multiplex systems (27,009)
11/2001
11/27/2001	US6323991 Opto-electronic frequency divider circuit and method of operating same
11/27/2001	US6323976 Light source device for frequency division multiplexed optical communications
11/27/2001	US6323975 Optical add/drop device
11/27/2001	CA2222845C An inexpensive single-fiber bidirectional data link
11/23/2001	CA2347965A1 Method and system for dynamic control of wavelength allocation and directionality on network links
11/22/2001	WO2001089127A2 Optical networking devices and methods for optical networks with increased transparency
11/22/2001	WO2001089120A2 Asymmetric wavelength slicing based dense wavelength division multiplexing
11/22/2001	WO2001089119A2 Variable rate high-speed input and output in optical communication networks
11/22/2001	WO2001088610A2 Optically controlled switch
11/22/2001	WO2001088609A1 Optical signal generator for high speed multi-fiber optical switching
11/22/2001	WO2001088579A1 Dense wavelength division multiplexer
11/22/2001	WO2001088571A2 Multi-channel optical transceiver
11/22/2001	WO2000016139A3 Circularly polarized fiber in optical circuits
11/22/2001	US20010043772 Methods and apparatus for measuring the power spectrum of optical signals
11/22/2001	US20010043379 Multi-channel optical transceiver
11/22/2001	US20010042821 Optical wavelength router based on polarization interferometer
11/22/2001	EP1145056A3 Circularly polarized fiber in optical circuits
11/21/2001	EP1156608A2 Method for controlling the Signal-to-Noise ratio of an optical Add/Drop signal
11/21/2001	EP1156607A2 Radiation power equalizer
11/21/2001	EP1155592A2 Hybrid wavelength selective optical router and switch
11/21/2001	EP1155525A2 Flexible optical multiplexer
11/21/2001	EP1155524A1 Wdm ring transmission system having amplified dropped channels
11/21/2001	EP1155523A1 Flexible and scalable architecture for dwdm networks in fiber rings
11/21/2001	EP1155478A1 Optical amplifier
11/21/2001	CN1323475A Pre-and post-compensation techniques for wavelength division multiplexing system
11/21/2001	CN1323107A Optical address decoding device
11/21/2001	CN1075300C Optical node in an optical bus network
11/21/2001	CN1075299C Optical amplifier arrangement
11/20/2001	US6320996 Wavelength selective optical switch
11/20/2001	US6320684 WDM optical transmission system
11/15/2001	WO2001086982A1 Wireless base station network system, control station, base station switching method, signal processing method, and handover control method
11/15/2001	WO2001086849A2 Optical polarization division multiplexer
11/15/2001	WO2001086848A1 Optical wavelength division multiplexer and de-multiplexer
11/15/2001	WO2001086847A1 Method for the quality and identity control of wavelength channels in optical transmission systems
11/15/2001	WO2001006305A3 A multi-functional optical switch and its method of manufacture
11/15/2001	US20010040721 Method for controlling perfomance of optical amplifiers
11/15/2001	US20010040720 Optical amplifiers with a simple gain/output control device
11/15/2001	US20010040713 Receiving apparatus, transmitting apparatus, and communication system
11/15/2001	US20010040710 Optical communication system
11/14/2001	EP1154592A1 Channel protection
11/14/2001	EP1153493A1 System and method providing a separate control channel for a wavelength division multiplexed network
11/14/2001	EP1153462A1 Wdm transmitter
11/14/2001	EP1153326A1 Resonator fiber bidirectional coupler
11/13/2001	US6317539 Interleaved sampled and chirped optical waveguide gratings for WDM channel operations and resulting devices
11/13/2001	US6317452 Method and apparatus for wireless spread spectrum communication with preamble sounding gap
11/13/2001	US6317429 Communication apparatus, network system using communication apparatus and control method used in network system
11/13/2001	US6317252 Dynamic channel copying device for use in fiber optics system using a nonlinear optical media
11/13/2001	US6317243 Optical upconverter apparatuses, methods and systems
11/13/2001	US6317240 System for and a method of compensating polarization dispersion in an optical transmission system
11/13/2001	CA2255346C Optical multiplexor/demultiplexor
11/08/2001	WO2001084760A1 A cellular communications system with centralized capacity resources using dwdm fiber optic backbone
11/08/2001	WO2001084759A1 Apparatus and method for wavelength selective switching
11/08/2001	WO2001084758A2 Wide transmission optical comb filter with wide pass band and wide stop band
11/08/2001	WO2001084754A2 Optical frequency division multiplexing
11/08/2001	WO2001084726A2 Spintronic optical shutter
11/08/2001	WO2001084224A2 Method for dispersing light using multilayered structures
11/08/2001	WO2001084196A1 An optical interleaver
11/08/2001	WO2001045451A9 Four-fiber ring optical cross-connect system using 4x4 switch matrices
11/08/2001	WO2001018921A8 Multifunction optical transmitter for dwdm system
11/08/2001	US20010038735 Apparatus and method for wavelength selective switching
11/08/2001	US20010038734 Optical signal add and drop apparatus
11/08/2001	US20010038730 Optical apparatus with faraday rotator, static gain flattening filter and variable optical attenuator
11/08/2001	US20010038488 Optical communication system and optical amplifier
11/08/2001	US20010038482 Optical transmission system having an optical surge suppression function
11/08/2001	US20010038479 Programmable optical add/drop multiplexer
11/08/2001	US20010038478 Structure of a bidirectional wavelength optical function module
11/08/2001	US20010038477 High-isolation wavelength managing module for bi-directional wavelength division multiplexing optical communication system
11/08/2001	US20010038476 Synchronous digital communications system
11/08/2001	US20010038475 Synchronous digital communications system
11/08/2001	US20010038473 Devices and methods for controlling protection switching in an optical channel shared protection ring
11/08/2001	US20010038472 Automatic retrieval of wavelength-division multiplexed ring networks
11/08/2001	US20010038471 Fault communication for network distributed restoration
11/07/2001	EP1151569A1 Add-drop-multiplexer and optical wavelength division multiplex transmission system
11/07/2001	EP1151568A1 Network nodes with optical add/drop modules
11/07/2001	EP1151567A1 Optical add/drop multiplexer
11/07/2001	EP1151560A1 Multi-channel wave division multiplexer system
11/07/2001	EP1151558A2 Method and apparatus for optical performance monitoring in wavelength division multiplexed fiber optical systems
11/07/2001	EP1151370A2 Fiber optic dense wavelength division multiplexer with a phase differential method of wavelength separation utilizing glass blocks and nonlinear interferometer
11/07/2001	CN1321020A Method and device for regenerating return-to-zero code or non-return-to-zero code in high-speed optical communication
11/06/2001	US6314220 Segmented complex fiber gratings
11/06/2001	US6313940 System based control of optical amplifier transmission functions
11/06/2001	US6313933 Bidirectional wavelength division multiplex transmission apparatus
11/06/2001	US6313932 Multiplexed transmission of optical signals
11/06/2001	US6313771 Codes, methods, and apparatus for optical encoding and decoding
11/01/2001	WO2001082516A1 Gain equalization in dwdm networks
11/01/2001	WO2001082515A1 Wavelength-division multiplexing optical transmission system
11/01/2001	WO2001082508A1 Improved data compression apparatus and method therefor
11/01/2001	WO2001067644A8 Compensation for polarization-mode dispersion in multiple wavelength-division multiplexed channels
11/01/2001	WO2000029886A9 Resonator fiber bidirectional coupler
11/01/2001	US20010036210 Method and a coupling to change the wavelength of an optical transmitter in a system using wavelength division multiplexing
11/01/2001	US20010035993 Distributed intelligence wavelength division multiplexed network
10/2001
10/31/2001	EP1150535A1 Optical address decoder
10/31/2001	EP1150448A2 Demultiplexer control system
10/31/2001	CN1320311A Method and apparatus for optical performance monitoring in wavelength division multiplexed fiber optical systems
10/31/2001	CN1319965A Equipment for multiplexing/demultiplexing optical signal modulated by different data rate
10/30/2001	US6310994 Add/drop multiplexer routing signals according to wavelength
10/30/2001	US6310718 Optical amplifying apparatus for detecting break point in optical transmission lines
10/30/2001	US6310708 Supervisory signal transmitter and method
10/30/2001	US6310703 Method and apparatus for optical performance monitoring in wavelength division multiplexed fiber optical systems
10/30/2001	US6310690 Dense wavelength division multiplexer utilizing an asymmetric pass band interferometer

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