| Patents for H04B 10 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication (73,125) |
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| 09/06/2002 | WO2002005461A3 Cascaded pumping system for distributed raman amplification in optical fiber telecommunication systems |
| 09/06/2002 | WO2001016642A9 Integrated opto-electronic wavelength converter assembly |
| 09/05/2002 | US20020124265 Equipment for distributing an optical signal |
| 09/05/2002 | US20020123851 Receiving apparatus, method of compensating for waveform degradation of received signal, apparatus and method for detecting waveform degradation, and apparatus and method for measuring waveform |
| 09/05/2002 | US20020122646 Optical fiber, and dispersion compensator using same, optical transmission line using same and optical transmission system using same |
| 09/05/2002 | US20020122617 Optical switch |
| 09/05/2002 | US20020122503 Digital signal processing based de-serializer |
| 09/05/2002 | US20020122444 Light frequency locker |
| 09/05/2002 | US20020122442 Communication network, path setting method and node apparatus used therefor |
| 09/05/2002 | US20020122440 Wavelength filter that operates on sets of wavelength channels |
| 09/05/2002 | US20020122256 Apparatus for variable wavelength dispersion and wavelength dispersion slope |
| 09/05/2002 | US20020122245 Light amplifying device |
| 09/05/2002 | US20020122243 Distributed gain optical fiber amplifier |
| 09/05/2002 | US20020122242 Optical repeater using raman amplification, wavelength division multiplexed light transmission system, excitation light supply method and excitation light control method for raman amplification |
| 09/05/2002 | US20020122233 Photoelectric conversion method, light receiving circuit, and optical communication system |
| 09/05/2002 | US20020122232 Laser based telecommunication network and router |
| 09/05/2002 | US20020122231 Hybrid through-air telecommunication system protected against outages |
| 09/05/2002 | US20020122230 Hybrid RF and optical wireless communication link and network structure incorporating it therein |
| 09/05/2002 | US20020122227 Optical interconnect for high speed processor |
| 09/05/2002 | US20020122226 Network element and method for compensation of tilting |
| 09/05/2002 | US20020122223 Data path architecture for light layer 1 OEO switch |
| 09/05/2002 | US20020122220 Fault isolation of an optical link by correlating PMD events with other measurements |
| 09/05/2002 | US20020122180 Method and system for optical spectrum analysis with a depolarized local oscillator signal |
| 09/05/2002 | US20020122169 Optical detection of a fiber span with high polarization-mode dispersion in a fiber system |
| 09/05/2002 | US20020121937 Phase lock loop circuit and optical repeating apparatus, optical terminal apparatus, and optical communication system having the same |
| 09/05/2002 | DE10053955C1 Signal extraction circuit for integrated photodiode uses 2 p-channel MOSFETs and operational amplifier |
| 09/04/2002 | EP1237392A2 Optical transmission apparatus with an optimal routing and data transmitting capability and a method of determining an optimal route on optical transmission |
| 09/04/2002 | EP1237308A2 Apparatus for variable wavelength dispersion and wavelength dispersion slope |
| 09/04/2002 | EP1237307A2 Receiving apparatus and method for detecting, measuring and compensating waveform degradation of received signal |
| 09/04/2002 | EP1237306A1 Optical transmission system using Raman amplifiers with unifrom gain |
| 09/04/2002 | EP1237305A2 Multi-wavelength light source |
| 09/04/2002 | EP1237304A2 Optical pulse shaper |
| 09/04/2002 | EP1237303A2 Hybrid through-air telecommunication system protected against outages |
| 09/04/2002 | EP1237032A2 Optical micromirror assembly on a wireless network printed circuit board having in-package mirror position feedback |
| 09/04/2002 | EP1236298A2 Optical and programmable fiber optic wavelength add/drop system |
| 09/04/2002 | EP1236297A1 Narrow band wavelength division multiplexer and method of multiplexing optical signals |
| 09/04/2002 | EP1236294A2 Second order predistortor for a return laser transmitter |
| 09/04/2002 | EP1236293A2 Optical power and wavelength monitor |
| 09/04/2002 | EP1236274A1 Amplifier ctb reduction by phase filtering |
| 09/04/2002 | EP1236252A2 Gain control and shaping of edfas via dual cavity gain control |
| 09/04/2002 | EP1236109A1 Protocol and bit rate independent test system |
| 09/04/2002 | EP1236065A2 Fiber bragg grating peak detection system and method |
| 09/04/2002 | EP1060583B1 Optical links |
| 09/04/2002 | CN1367961A Optical communication system, optical receiver and walvelength converter |
| 09/04/2002 | CN1367598A Portable data terminal equipment with telecommunication function and information processing system using it |
| 09/04/2002 | CN1367589A Method for automatically-synchronously testing infrared ray equipment |
| 09/04/2002 | CN1367397A Design method of plane light delay device and its structure |
| 09/04/2002 | CN1090415C Optical cross-connection unit, divided insertion multiplexer, light source unit and insertion unit |
| 09/04/2002 | CN1090414C Erbium doped optical fiber amplifier and method for autoamtically tracing and filtering wavelength of transmitted light |
| 09/04/2002 | CN1090413C Method and apparatus for controlling calls in code division multiple access system |
| 09/03/2002 | US6445848 Soliton pulse transmission over long waveguide fiber lengths |
| 09/03/2002 | US6445720 Optical output level control device for an optical wavelength multiplexer included in an optical transmission system |
| 09/03/2002 | US6445499 Optical circulators |
| 09/03/2002 | US6445496 Point-to-multipoint free-space wireless optical communication system |
| 09/03/2002 | US6445493 Balanced gain flattening filters |
| 09/03/2002 | US6445492 Reduction of four-wave mixing in raman amplified optical transmission systems |
| 09/03/2002 | US6445479 Electronically controlled optically-active device array for high-speed receiving and transmitting of fiber optic signals |
| 09/03/2002 | US6445477 Self-monitored light source for stable wavelength optical communications |
| 09/03/2002 | US6445476 Transmission and reception of duobinary multilevel pulse-amplitude-modulated optical signals using subsequence-based encoder |
| 09/03/2002 | US6445474 Optical transmitter using two or more optical sources |
| 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 | US6445369 Light emitting diode dot matrix display system with audio output |
| 09/03/2002 | US6444999 Quantum circuit |
| 09/03/2002 | US6444977 Electric member having leads with loosening prevention kinks |
| 09/03/2002 | CA2252209C Optical protection switch employing an interference filter |
| 09/02/2002 | CA2370910A1 A wavelength filter that operates on sets of wavelength channels |
| 09/01/2002 | CA2373912A1 Optical transmission system |
| 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 | WO2002067466A2 Automatic dark current compensation |
| 08/29/2002 | WO2002067465A2 Wireless infrared multi-spot diffusing communication system |
| 08/29/2002 | WO2002067464A1 Optical harmonic equalization architectures, control systems, and methods |
| 08/29/2002 | WO2002067018A2 Agile multi-beam free-space optical communication apparatus |
| 08/29/2002 | WO2002051042A3 Method and apparatus for suppressing relative intensity noise (rin) and improving transmission signals |
| 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 | WO2001065734A3 Integrated optical monitoring system with tunable filter |
| 08/29/2002 | US20020120569 System and method for communication between remote locations |
| 08/29/2002 | US20020118936 Optical fiber transmission line |
| 08/29/2002 | US20020118935 Optical fiber having an elevated threshold for stimulated brillouin scattering |
| 08/29/2002 | US20020118934 Method and system for dispersion management with Raman amplification |
| 08/29/2002 | US20020118913 Optical add/drop device |
| 08/29/2002 | US20020118647 Minimum cost routing based on relative costs of node resources |
| 08/29/2002 | US20020118455 Methods and apparatus for generation and control of coherent polarization mode dispersion |
| 08/29/2002 | US20020118446 Bi-directional optical-amplifier module |
| 08/29/2002 | US20020118445 Long wavelength optical amplifier |
| 08/29/2002 | US20020118444 Long wavelength optical amplifier |
| 08/29/2002 | US20020118442 Apparatus and method for a self adjusting raman amplifier |
| 08/29/2002 | US20020118440 Method and apparatus to measure gain spectra of erbium doped fiber amplifier |
| 08/29/2002 | US20020118425 Fiber path redundancy and narrowcast operation |
| 08/29/2002 | US20020118424 Optical transmitter |
| 08/29/2002 | US20020118423 Method for remodulating an optical stream with independent data |
| 08/29/2002 | US20020118422 Method and apparatus for compensating for polarization mode dispersion (PMD) using a Mach-Zender interferometer |
| 08/29/2002 | US20020118421 Channel scheduling in optical routers |
| 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 |