Patents
Patents for H04J 14 - Optical multiplex systems (27,009)
03/2005
03/30/2005CN1601995A Exchanging scheduling method of multiple packing collection
03/30/2005CN1601986A Ethernet passive optical network for integrating broadcast and communication based on time division multiplexing scheme
03/30/2005CN1601949A Dielectric-Layer type dense wavelength division multi plexer filter
03/30/2005CN1601935A Passive optical network with optical fiber amplifier
03/30/2005CN1601933A Raman amplification repeater
03/30/2005CN1601928A Fixing structure of two-way light transceiving modular
03/30/2005CN1601310A Array waveguide raster type comb filter
03/30/2005CN1195327C Demultiplexing detection system for reinforced photoelectric detector based on resonance cavity
03/30/2005CN1195326C Silicon-base integrated photon device and its manufacture
03/29/2005US6873795 Apparatus for detecting peaks of wavelength-division-multiplexed light, and apparatus for controlling said light
03/29/2005US6873767 Wavelength-multiplexing connector, optical transmission device, and optical communication system
03/29/2005US6873763 Managing channels with different wavelengths in optical networks
03/29/2005US6873758 Optical add-drop filter
03/29/2005US6873457 Optical amplifier, excitation light source control method for use in optical amplifier, and optical amplifier control method
03/29/2005US6873456 Optical amplifying repeater apparatus and optical amplifying/repeating transmission system
03/24/2005WO2004002001A8 Ultra-wideband communication through a wire medium
03/24/2005US20050063705 Optical correlator system and supporting method and apparatus
03/24/2005US20050063704 Wavelength division multiplexing optical transmitter using wideband gain laser
03/24/2005US20050063636 Method and apparatus for providing an antireflection coating on the output facet of a photonic integrated circuit (PIC) chip
03/24/2005US20050063497 Method and device of analyzing a signal transmitted via a communication link
03/24/2005US20050063431 Integrated optics and electronics
03/24/2005US20050063425 Phase-insensitive recovery of clock pulses of wavelength division multiplexed optical signals
03/24/2005US20050063370 Multi-grained network
03/24/2005US20050063299 Joint-layer restoration in packet-over-optical networks
03/23/2005EP1517459A2 Method and device of analyzing a signal transmitted via a communication link
03/23/2005EP1516436A2 Ultra-wideband communication through a wire medium
03/23/2005EP1303775A4 Ultra-dense wavelength division multiplexing/demultiplexing devices
03/23/2005CN2687966Y Odd-even cross multiplexing device
03/23/2005CN1599283A Long-wave band erbium-doped fibre-optical superflourescence light source of high-power and high-smooth
03/23/2005CN1598680A Device and method for realizing auto-control gain of on-line fibre-optical Raman amplifier
03/23/2005CN1194238C Making method of multi-wavelength dispersion/dispersion slope compensator
03/22/2005US6871023 Spread polarization transmitter and associated system and method of operation
03/22/2005US6871020 Power spectrum monitoring and management in a wavelength division multiplexed network
03/22/2005US6870974 Optical fiber communication system using optical phase conjugation as well as apparatus applicable to the system and method of producing the same
03/22/2005US6870836 System and method for transfer of IP data in an optical communication networks
03/22/2005US6870679 Multi-pass configurations
03/22/2005US6870666 Controlling apparatus and controlling method for wavelength division multiplexing optical amplifier
03/22/2005CA2246897C Optical fiber subscriber network
03/17/2005WO2005025243A2 Reconfigurable multi-channel all optical regenerators
03/17/2005WO2005025112A2 All optical variable buffer queue useful in optical packet networks
03/17/2005WO2005025103A2 Modulator array architectures
03/17/2005WO2005002091A8 Otdm transmitting method and transmitter
03/17/2005US20050060395 Network global expectation model for rapidly quantifying network needs and costs
03/17/2005US20050058459 Optical equalizer for intersymbol interference mitigation
03/17/2005US20050058453 Optical network architecture for simultaneous transport of analog video signals and ethernet data
03/17/2005US20050058390 Optical fiber network system transmission method, optical fiber network system thereof, and central unit thereof
03/17/2005US20050057794 Raman excitation control method and optical transmission system using the same
03/16/2005EP1514373A1 Method and arrangement for reducing the signal degradation in an optical polarisation-multiplex signal
03/16/2005EP1514372A1 Maximising power in optical communication networks
03/16/2005EP1514366A1 Method and system for power control of optical transmission span
03/16/2005EP1123595B1 Wdm transmitter and receiver
03/16/2005CN1596518A Methods and devices to minimize the optical loss when multiplexing optical signals from a plurality of tunable laser sources
03/16/2005CN1596517A Modular all-optical cross-connect
03/16/2005CN1595864A Method of automatic tracking transmission of wireless space optical communication capable of interaction
03/16/2005CN1595842A Broadband optical fiber parameter amplifier
03/16/2005CN1595764A Swap-free optical fiber multiplexing apparatus for relaying protection
03/16/2005CN1595741A Integrated photoelectronic device
03/16/2005CN1595277A Reflection-type separated Raman fibre amplifier
03/16/2005CN1595275A Gain flattened equalizer of erbium doped fiber amplifier based on chirped fiber grating
03/16/2005CN1595221A Two-dimensional micro-electromechanical optical switch using shuffle Benes interstage join rule and method thereof
03/16/2005CN1193521C Self-healing bit-rate converter in light transmission system
03/15/2005US6868237 Terrestrial optical communication network of integrated fiber and free-space links which requires no electro-optical conversion between links
03/15/2005US6868234 Optical telecommunications network
03/15/2005US6868233 Wavelength agile optical transponder for bi-directional, single fiber WDM system testing
03/15/2005US6868205 Wavelength router
03/15/2005US6868203 Optical transmission system
03/15/2005US6868201 Reconfigurable WDM mux/demux/OADM
03/15/2005US6868200 Wavelength division multiplexing optical transmission apparatus
03/15/2005US6868102 CS-RZ optical clock signal generator, and a resynchronized optical multiplexer containing such a generator
03/15/2005US6867909 Filter with variable transmission character, optical transmission equipment and method of optical transmission
03/15/2005US6867852 Method and apparatus for channel detection
03/15/2005CA2154641C Amplified telecommunication system for wavelength-division multiplexing transmissions, having an equalized reception power
03/10/2005WO2005022946A1 Method for transmitting data bursts over optical data channels
03/10/2005WO2005022823A1 A method for achieving a path with protection entity in the intelligent optical network
03/10/2005WO2005022802A1 Method and array for inserting a synchronous data signal in optical networks
03/10/2005WO2005022801A1 Branching unit with full or partial broadcast of wavelengths
03/10/2005WO2005011171A8 An electro-optically tunable optical filter
03/10/2005US20050053377 Reconfigurable multi-channel all-optical regenerators
03/10/2005US20050053376 FTTH system for convergence of broadcasting and communication through switched broadcasting
03/10/2005US20050053375 All optical variable buffer queue useful in optical packet networks
03/10/2005US20050053333 All-optical bistable devices
03/10/2005US20050053329 All-optical data compression systems
03/10/2005US20050053328 Optical monitor and a method for improved optical monitoring
03/10/2005US20050053325 Variable-bandwidth multi-granularity optical add/drop network
03/10/2005US20050053324 Modulator array architectures
03/10/2005US20050053176 Electromagnetic matched filter based multiple access communications systems
03/10/2005US20050052731 Optical amplifier control in wdm communications systems
03/10/2005US20050052730 Optical transmission systems and optical amplifiers for use therein
03/10/2005CA2536176A1 All-optical wavelength converter based on sagnac interferometer with an soa at asymmetric position
03/09/2005EP1512236A2 Amplifiers for optical networks and method
03/09/2005EP1396107B1 Optical communications system and method for transmitting point-to-point and broadcast signals
03/09/2005EP1323251A4 System, device, and method for managing communication services in an optical communication system
03/09/2005CN1593027A Method and apparatus for transmission of upstream data in an optical network
03/09/2005CN1592184A Apparatus and method for tracking optical wavelength in WDM passive optical network
03/09/2005CN1592183A Luminous power equalizer and method thereof
03/09/2005CN1592182A Method for measuring ageing link of single board
03/09/2005CN1592181A Transmitting timing controlling system node apparatus
03/09/2005CN1592160A Method for obtaining path with protective body in intelligent optical network
03/09/2005CN1591154A Low noise multi-wavelength light source and wavelength division multiplexing system using same
03/09/2005CN1591092A Wavelength changing element and use thereof