| Patents for H04J 14 - Optical multiplex systems (27,009) |
|---|
| 09/26/2002 | WO2001027666A3 Optical multiplexer/demultiplexer using resonant grating filters |
| 09/26/2002 | WO2001022137A9 Dense wavelength division multiplexer |
| 09/26/2002 | US20020136524 High speed fiber-optic attenuation modules |
| 09/26/2002 | US20020136493 Optical fibre comprising a bragg grating and tunability means |
| 09/26/2002 | US20020136489 Optical multiplexer/demultiplexer |
| 09/26/2002 | US20020136488 Monochrometer and wavelength division multiplexer comprising said monochrometer |
| 09/26/2002 | US20020136487 Structure for adjusting waveforms of optical filters used in a dense wavelength division multiplexing system and method of adjusting same |
| 09/26/2002 | US20020135840 Connection verification and monitoring in optical wavelength multiplexed communications systems |
| 09/26/2002 | US20020135839 Device and method for setting add signal level for OADM system |
| 09/26/2002 | US20020135838 Dynamic wavelength add/drop multiplexer for UDWDM optical communication system |
| 09/26/2002 | US20020135837 Signal transmission system |
| 09/26/2002 | US20020135836 Low-cost WDM terminal device accommodating plurality of client signal |
| 09/26/2002 | US20020135835 Optical traffic grooming |
| 09/26/2002 | US20020135834 Channel mask definition for monitoring wavelength division multiplexing transmission systems |
| 09/26/2002 | EP1145052A3 Optical multiplexer/demultiplexer using resonant grating filters |
| 09/26/2002 | CA2441343A1 Wavelength division multiplexed optical communication system having a reconfigurable optical switch and a tunable backup laser transmitter |
| 09/26/2002 | CA2441303A1 Modular all-optical cross-connect |
| 09/26/2002 | CA2441059A1 Method and apparatus for interconnecting a plurality of optical transducers with a wavelength division multiplexed optical switch |
| 09/26/2002 | CA2441045A1 Method and apparatus for transferring wdm signals between different wdm communications systems in optically transparent manner |
| 09/25/2002 | EP1243952A2 Optical multiplexing circuit with monitoring function |
| 09/25/2002 | EP1243951A1 An optical multiplexer/demultiplexer |
| 09/25/2002 | EP1243092A2 Method for synchronising the phase of optical return-to-zero (rz) data signals |
| 09/25/2002 | CN2513298Y Holding structure for wave dividing multiplex device |
| 09/25/2002 | CN1371482A Fiber optic cable for increased transmission capacity and wavelength division multiplexing optical transmission system using the same |
| 09/25/2002 | CN1371193A Modulation mode and transmission system for NRZ signal with right and left filtering |
| 09/25/2002 | CN1371006A Reflecting light circulator |
| 09/24/2002 | US6456755 Optical wavelength division multiplex system and method thereof |
| 09/24/2002 | US6456754 WDM transmitter and receiver |
| 09/24/2002 | US6456750 Optical transmission apparatuses, methods, and systems |
| 09/24/2002 | US6456409 Method and apparatus for extending fiber transmission distance with multiple pre-emphases in optically amplified DWDM system |
| 09/24/2002 | US6456408 Method and apparatus for controlling the optical power of a optical transmission signal |
| 09/24/2002 | US6456406 Transparent optical self-healing-ring communication network |
| 09/24/2002 | US6455841 Optical wavelength router based on polarization interferometer |
| 09/24/2002 | CA2262728C Optical demultiplexer filter system to eliminate cross-talk side-lobes |
| 09/19/2002 | WO2002073858A1 Optically amplified back-up receiver |
| 09/19/2002 | WO2002073857A1 High data rate multiple wavelength encoding |
| 09/19/2002 | WO2002073856A1 A flexible wdm ring network |
| 09/19/2002 | WO2002073855A2 Self-healing ring structure for the optical transmission of information by wavelength division multiplexing and corresponding add/drop-multiplexer |
| 09/19/2002 | WO2002073854A1 Method for monitoring the quality and controlling identification of wavelength channels and for transmitting network management information in transparent optical communications networks |
| 09/19/2002 | WO2002073839A1 Optical information communication system |
| 09/19/2002 | WO2002073833A1 Wdm channel monitoring system and method |
| 09/19/2002 | WO2002073305A2 Reconfigurable optical device for wavelength division multiplexing networks |
| 09/19/2002 | WO2002073264A1 A non-blocking wavelength router architecture with wavelength reuse capability |
| 09/19/2002 | WO2002032021A3 System and method for an optical information transmission |
| 09/19/2002 | US20020131739 Dispersion-compensating module |
| 09/19/2002 | US20020131712 Dynamic variable optical attenuator and variable optical tap |
| 09/19/2002 | US20020131702 Combined multiplexer and demultiplexer for optical communication systems |
| 09/19/2002 | US20020131692 Miniaturized reconfigurable DWDM add/drop system for optical communication system |
| 09/19/2002 | US20020131685 Multiple band optical multiplexer and demultiplexer |
| 09/19/2002 | US20020131684 Planar lightwave wavelength blocker |
| 09/19/2002 | US20020131678 Wavelength-modular optical cross-connect switch |
| 09/19/2002 | US20020131670 Wavelength selective optical filter |
| 09/19/2002 | US20020131176 Multi-channel optical filter |
| 09/19/2002 | US20020131171 Optical fiber polarization independent non-reciprocal phase shifter |
| 09/19/2002 | US20020131154 Photonic channel allocator and shifter |
| 09/19/2002 | US20020131134 Hyper-dense photonic signal method |
| 09/19/2002 | US20020131133 Hyper-dense encoding apparatus and method |
| 09/19/2002 | US20020131132 Optical transmission system |
| 09/19/2002 | US20020131118 Optical packet node and optical packet add drop multiplexer |
| 09/19/2002 | US20020131116 Optical add-drop multiplexer |
| 09/19/2002 | US20020131115 Wavelength multiplex transmission method and system |
| 09/19/2002 | US20020131114 Method and apparatus for optical signal processing using subcarrier multiplexed headers |
| 09/19/2002 | US20020131113 Modular design for optical subsystems and method of use |
| 09/19/2002 | US20020131112 Frequency-shifted, hyper-dense signal method |
| 09/19/2002 | US20020131111 Hyper-dense, multi-wavelength packet method |
| 09/19/2002 | US20020131110 Hyper-dense, de-multiplexing method |
| 09/19/2002 | US20020131109 Hyper-dense, wave-division-multiplexing method |
| 09/19/2002 | US20020131108 Filtered, hyper-dense, wave-division-multiplexing method |
| 09/19/2002 | US20020131107 Hyper-dense photonic signal apparatus |
| 09/19/2002 | US20020131106 Secure wave-division multiplexing telecommunications system and method |
| 09/19/2002 | US20020131105 Skew discovery and compensation for WDM fiber communications systems using 8b10b encording |
| 09/19/2002 | US20020131103 Method and system for reconfiguring a network element such as an optical network element |
| 09/19/2002 | US20020131102 Optical SN detector |
| 09/19/2002 | US20020131101 Method and apparatus for optical network administration |
| 09/19/2002 | US20020131098 Method for preventing lasing in an optical ring network |
| 09/19/2002 | US20020130256 Spectrum, time and protocol domain optical performance monitor |
| 09/19/2002 | DE10112511A1 Verfahren zur Qualitätsüberwachung und Identitätskontrolle von Wellenlängenkanälen sowie zur Übertragung von Netzmanagementinformationen in transparenten optischen Übertragungsnetzen Method for monitoring the quality and identity control of wavelength channels as well as for the transmission of network management information in transparent optical transmission systems |
| 09/19/2002 | CA2440915A1 Reconfigurable optical device for wavelength division multiplexing networks |
| 09/19/2002 | CA2439547A1 Wdm channel monitoring system and method |
| 09/18/2002 | EP1241913A1 Optical packet node and optical packet add drop multiplexer |
| 09/18/2002 | EP1241820A2 Method and apparatus for measuring and estimating optical signal to noise ratio in photonic networks |
| 09/18/2002 | EP1241819A2 Optical communication monitor |
| 09/18/2002 | EP1241810A2 Wavelength division multiplexed transmission path and dispersion-compensating fiber used therein |
| 09/18/2002 | EP1241497A2 Trimmable optical add/drop multiplexer devices |
| 09/18/2002 | EP1240741A1 Two-fiber interconnected ring architecture |
| 09/18/2002 | CN1370282A Wavelength selective switch |
| 09/18/2002 | CN1369983A Method for simulating WDM optical network |
| 09/18/2002 | CN1369976A Multifnctional light split/insersion multiplexer |
| 09/17/2002 | US6453101 Optical fiber useful for wavelength multiplexing transmission system |
| 09/17/2002 | US6452945 Electrical add-drop multiplexing for optical communications networks utilizing frequency division multiplexing |
| 09/17/2002 | US6452931 Synchronous optical network using a ring architecture |
| 09/17/2002 | US6452719 Optical communication system and optical amplifier |
| 09/17/2002 | US6452718 WDM-channel equalizer |
| 09/17/2002 | US6452716 Amplitude modulation of a pump laser signal in a distributed raman amplifier |
| 09/17/2002 | US6452703 Optical add-drop multiplexing technique and wavelength division multiplexing optical link using such a multiplexing technique |
| 09/17/2002 | US6452701 Wavelength division multiplexing communications network supervisory system |
| 09/17/2002 | CA2064581C Data transmission on optical networks |
| 09/12/2002 | WO2002071791A2 Photonic communication system with 'sub-line rate' bandwidth granularity, protocol transparency and deterministic mesh connectivity |
| 09/12/2002 | WO2002071672A2 (de)multiplexer with interleaver for producing a flat-top filter function and enhanced channel separation |
| 09/12/2002 | WO2002071671A2 Wavelength division multiplexing add-drop multiplexer using an optical tapped delay line |