| Patents for H04J 14 - Optical multiplex systems (27,009) |
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| 09/03/2002 | US6445473 Optical switching apparatus using wavelength division multiplexing technology |
| 09/03/2002 | US6445472 Optical fiber subscriber network |
| 09/03/2002 | US6445471 Apparatus and method for making transmission characteristics uniform in a wavelength division multiplexing optical communications system |
| 09/03/2002 | US6443633 Optical device package |
| 09/02/2002 | CA2370910A1 A wavelength filter that operates on sets of wavelength channels |
| 08/29/2002 | WO2002067508A1 Multiplexing relay transmission device |
| 08/29/2002 | WO2002067482A2 Receiver for high-speed optical signals |
| 08/29/2002 | WO2002067481A1 Widely tunable and integrated optical system and method |
| 08/29/2002 | WO2002067480A1 Regulating radiation component power in wavelength division multiplexed optical communication systems |
| 08/29/2002 | WO2002067475A2 Wavelength division multiplexed device |
| 08/29/2002 | WO2002067468A1 Optical communication system using 4 wavelength add/drop type wavelength division multiplexing |
| 08/29/2002 | WO2002067467A1 Optic communication system |
| 08/29/2002 | WO2002066942A1 System for characterizing spectral information in an optical communication fibre by diffraction |
| 08/29/2002 | WO2002021731A3 Opticl fibre for to-the-home distribution network |
| 08/29/2002 | WO2002013433A3 Tunable channel spacing for wavelength division multiplexing (wdm) transport system |
| 08/29/2002 | US20020118923 Directional-coupler assisted add/drop filter with induced on/off switching and modulation |
| 08/29/2002 | US20020118913 Optical add/drop device |
| 08/29/2002 | US20020118687 Method and system for designing ring-based telecommunications networks |
| 08/29/2002 | US20020118459 Tunable filter system with backreflection reference |
| 08/29/2002 | US20020118446 Bi-directional optical-amplifier module |
| 08/29/2002 | US20020118418 Frequency extractor |
| 08/29/2002 | US20020118417 Flexible optical add/drop architecture |
| 08/29/2002 | US20020118416 Method of setting up a connection in at least one optical WDM transmission system |
| 08/29/2002 | US20020118415 Technique for optically converting wavelengths in a multi-wavelength system |
| 08/29/2002 | US20020118414 Wavelength division multiplexing ring network system, optical path setting method, recovery method, and program |
| 08/29/2002 | US20020118412 Network device including detection of link status employing auto-negotiation |
| 08/29/2002 | US20020118411 Full-duplex optical add/drop communications system utilizing central light sources |
| 08/29/2002 | DE10102870A1 Vorrichtung und Verfahren zur Kühlung von temperaturkritischen Bauteilen Apparatus and method for cooling temperature-critical components |
| 08/28/2002 | EP1235377A2 Apparatus for frequency extraction |
| 08/28/2002 | EP1235370A2 Bi-directional optical-amplifier module |
| 08/28/2002 | EP1234400A1 System and method for transmitting and restoring an optical signal |
| 08/28/2002 | EP1234393A1 Narrow band wavelength division demultiplexer and method of demultiplexing optical signals |
| 08/28/2002 | CN1366394A Multichannel multimode rebundant light home loop possessing bus topological structure |
| 08/28/2002 | CN1366393A Wave length flexible light retransmission device used in bidirectional single optical fiber wave part multiplexing system testing |
| 08/28/2002 | CA2373952A1 Optical systems |
| 08/27/2002 | US6442694 Fault isolation for communication networks for isolating the source of faults comprising attacks, failures, and other network propagating errors |
| 08/27/2002 | US6442305 Method for altering the refractive index of optical fibers using stress |
| 08/27/2002 | US6441962 Optical filter with little variation in chromatic dispersion |
| 08/27/2002 | US6441961 Folded optical interleaver with optional routing capability |
| 08/27/2002 | US6441960 Optical interleavers with minimized dispersion |
| 08/27/2002 | US6441955 Light wavelength-multiplexing systems |
| 08/27/2002 | US6441934 Multiplexer and demultiplexer for single mode optical fiber communication links |
| 08/27/2002 | US6441933 Signal monitoring apparatus for wavelength division multiplexed optical telecommunications networks |
| 08/27/2002 | CA2372318A1 Synchronization of an optical pulse stream with an electrical signal |
| 08/22/2002 | WO2002065679A1 Bidirectional wdm optical communication network |
| 08/22/2002 | WO2002065202A1 Programmable acousto-optical devices |
| 08/22/2002 | WO2002065181A2 Optical waveguide bragg grating system |
| 08/22/2002 | WO2001090805A3 Tunable filter with core mode blocker |
| 08/22/2002 | US20020116719 Controlling service units in a communication system |
| 08/22/2002 | US20020114608 Fiber fuse protection |
| 08/22/2002 | US20020114562 Frequency allocation scheme and transmission system for polarisation and wavelength division multiplexed signals with left and right side filtering |
| 08/22/2002 | US20020114560 Periodic arrayed waveguide grating multiplexer/demultiplexer |
| 08/22/2002 | US20020114554 Fiber fuse protection |
| 08/22/2002 | US20020114062 Optical performance monitoring for D/WDM networks |
| 08/22/2002 | US20020114048 Apparatus and method for attaching a data sub-channel to a digital payload |
| 08/22/2002 | US20020114043 Light burst transmission/reception control system, parent station device used in the same, child station device, and light burst transmission/reception control method |
| 08/22/2002 | US20020114042 Optical multiple branching communicate system, parent station device used therefore, child station device, optical multiple branching communication band control method |
| 08/22/2002 | US20020114036 Optical switching in dense wavelength division multiplexing (DWDM) fiber access nodes |
| 08/22/2002 | US20020114035 Connection verification for optical switches |
| 08/22/2002 | US20020114034 Split wave method and apparatus for transmitting data in long-haul optical fiber systems |
| 08/22/2002 | US20020114032 Spintronic optical device |
| 08/22/2002 | US20020114031 Ring configuration method, failure recovery method, and node address assignment method when configuring ring in network |
| 08/22/2002 | US20020114030 Optical transmission systems including optical multi-casting systems, apparatuses,and methods |
| 08/22/2002 | US20020114029 SRS pilot tone interaction and higher order effects in optical performance monitoring |
| 08/21/2002 | EP1233567A1 Method for adjusting time delays and device for synchronization of channels in a WDM system |
| 08/21/2002 | EP1233563A1 Frequency allocation scheme and transmission system for polarisation and wavelength division multiplexed signals with left and right side filtering |
| 08/21/2002 | EP1233562A1 Modulation scheme and transmission system for NRZ signals with left and right side filtering |
| 08/21/2002 | CA2369277A1 Ring configuration method, failure recovery method, and node address assignment method when configuring ring in network |
| 08/20/2002 | US6438293 Tunable optical add/drop multiplexer |
| 08/20/2002 | US6438286 Protection switching in bidirectional WDM optical communication networks with transponders |
| 08/20/2002 | US6437929 Piezo-actuator based optical add/drop module |
| 08/20/2002 | US6437889 Method and apparatus for bit synchronization in optical communication and networking systems |
| 08/20/2002 | US6437888 Device for adding and dropping optical signals |
| 08/15/2002 | WO2002063811A2 Power balanced optical add/drop multiplexer and power balancing methods therefore |
| 08/15/2002 | WO2002063801A1 Optical network structure |
| 08/15/2002 | WO2002063361A1 Optical multiplexing/demultiplexing device |
| 08/15/2002 | WO2002048751A3 Dense wavelength division multiplexing (dwdm) fiberoptic source |
| 08/15/2002 | WO2001090806A3 Add/drop acousto-optic filter |
| 08/15/2002 | WO2001090803A3 Optical add/drop multiplexer |
| 08/15/2002 | US20020109926 Thermally compensated wavelength division demultiplexer and multiplexer and method of fabrication thereof |
| 08/15/2002 | US20020109896 Continuous wave laser subsystem |
| 08/15/2002 | US20020109892 Light transmitter and optical transfer system |
| 08/15/2002 | US20020109888 Modulation scheme and transmission system for NRZ signals with left and right side filtering |
| 08/15/2002 | US20020109883 Method and apparatus for optical data transmission at high data rates with enhanced capacity using polarization multiplexing |
| 08/15/2002 | US20020109881 Flexible and low cost wavelength management for optical networking |
| 08/15/2002 | US20020109879 Co-channel modulation |
| 08/15/2002 | US20020109873 Optical switching device based on stable, non-absorbing optical hard limiters |
| 08/14/2002 | EP1231730A2 Continuous wave laser subsystem |
| 08/14/2002 | EP1231729A2 Optical network structure |
| 08/14/2002 | EP1231728A2 Hierarchical WDM in client-server architecture |
| 08/14/2002 | EP1231490A2 Optical multiplexer and optical demultiplexer |
| 08/14/2002 | EP1230756A1 Optical communications system |
| 08/14/2002 | EP1123590B1 Method and apparatus for monitoring an optical wdm network |
| 08/14/2002 | CN2506033Y Thin film interference filter type wave multiplexing device |
| 08/14/2002 | CN2505854Y New 1X2 mechanical optical switch |
| 08/14/2002 | CN1364342A Transmission device |
| 08/13/2002 | US6434583 Fast fourier transform apparatus and method |
| 08/13/2002 | US6434296 Optical multiplexer/demultiplexer with three waveguides |
| 08/13/2002 | US6434292 Bidirectional optical wavelength multiplexer/divider |
| 08/13/2002 | US6433925 Optical fiber amplifier and optical transmission system using the same |