| 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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| 02/03/2005 | US20050027467 Eye diagram analyzer correctly samples low dv/dt voltages |
| 02/03/2005 | US20050026588 Communication systems incorporating HTS filters and non-linear modulators such as RF-light modulators |
| 02/03/2005 | US20050025505 Converting signals in passive optical networks |
| 02/03/2005 | US20050025504 High dynamic range optical receiver |
| 02/03/2005 | US20050025503 Method and apparatus for operating an optical receiver for low intensity optical communication in a high speed mode |
| 02/03/2005 | US20050025502 Modular optical device that interfaces with an external controller |
| 02/03/2005 | US20050025501 Unrepeatered optical communication system with suppressed SBS |
| 02/03/2005 | US20050025500 Optical transmitter for increased effective modal bandwidth transmission |
| 02/03/2005 | US20050025498 Data transmission apparatus, photoelectric conversion circuit and test apparatus |
| 02/03/2005 | US20050025496 Optical/electrical converting device and method |
| 02/03/2005 | US20050025495 Infrared repeater system, method, and adjustable brightness emitter therefor |
| 02/03/2005 | US20050025494 Method and apparatus for improving noise immunity for low intensity optical communication |
| 02/03/2005 | US20050025493 Method and apparatus for using a close proximity probe for optical communication with a device external to the probe |
| 02/03/2005 | US20050025492 System and method for eliminating effect of external interference on active tracking for free space optics communication |
| 02/03/2005 | US20050025491 Optical transmitter and optical communication system |
| 02/03/2005 | US20050025490 Optical network with sub-band rejection and bypass |
| 02/03/2005 | US20050025489 Add/drop module for single fiber wavelength division multiplexing systems |
| 02/03/2005 | US20050025487 High-speed wireless personal area network system for extending service area |
| 02/03/2005 | US20050025486 Bi-directional wavelength division multiplexing module |
| 02/03/2005 | US20050025485 Subscriber interfacing device in communication-broadcasting convergence FTTH |
| 02/03/2005 | US20050025484 Wavelength-division-multiplexed passive optical network using multi-wavelength lasing source and reflective optical amplification means |
| 02/03/2005 | US20050025483 Bidirectional optical signal multiplexer/demultiplexer |
| 02/03/2005 | US20050025482 Identification of polarization-mode dispersion on a communication network |
| 02/03/2005 | US20050025481 Optical crossconnect apparatus and optical transmission system |
| 02/03/2005 | US20050025449 Methods and structures for testing optical subassemblies at higher and lower temperatures |
| 02/03/2005 | US20050025437 Optical transmitter-receiver and optical fiber |
| 02/03/2005 | US20050025426 Planar lightwave wavelength blocker devices using micromachines |
| 02/03/2005 | US20050025417 Optical fiber transmission system with increased effective modal bandwidth transmission |
| 02/03/2005 | US20050025416 Optical fiber transmission system with increased effective modal bandwidth transmission |
| 02/03/2005 | US20050025409 Submount for a photonic integrated circuit (PIC) chip |
| 02/03/2005 | US20050024715 Method for upgrading an optical transmission system and an optical transmitter |
| 02/03/2005 | US20050024714 Optical amplifier with pump light source control for Raman amplification |
| 02/03/2005 | US20050024712 Raman amplifier and raman amplifier adjustment method |
| 02/03/2005 | US20050024711 Optical fiber, optical fiber module, and raman amplifier |
| 02/03/2005 | US20050024607 Projection system |
| 02/03/2005 | US20050023467 Photodetector for weak light with UV transparent substrates |
| 02/03/2005 | US20050023443 Photocurrent-to-voltage conversion apparatus including non-diode-connected clamping MOS transistor |
| 02/03/2005 | CA2532974A1 All-optical, tunable regenerator, reshaper and wavelength converter |
| 02/02/2005 | EP1503533A2 Method for upgrading a wavelength division multiplexing optical transmission system and an optical transmitter therefor |
| 02/02/2005 | EP1503532A2 Optical network with sub-band rejection and bypass |
| 02/02/2005 | EP1503531A2 WDM passive optical network using multi-wavelength laser source and reflective optical amplification means |
| 02/02/2005 | EP1503529A1 Interferometric system for selecting spectral components of an optical beam |
| 02/02/2005 | EP1503528A1 Optical amplifier and optical communication system |
| 02/02/2005 | EP1503527A2 Optical/electrical converting device and method |
| 02/02/2005 | EP1503526A1 System and method for eliminating effect of external interference on active tracking for free space optics communication |
| 02/02/2005 | EP1503525A2 Method and apparatus for using a close proximity probe for optical communication with a device external to the probe |
| 02/02/2005 | EP1503524A2 Signal receiving circuit to receive signals transmitted from a probe |
| 02/02/2005 | EP1503496A1 Photocurrent-to-voltage conversion apparatus including non-diode-connected clamping MOS transistor |
| 02/02/2005 | EP1503232A2 Modular optical transceiver |
| 02/02/2005 | EP1502476A1 Signal transmission system |
| 02/02/2005 | EP1502368A1 Method and system for transmitting and displaying information on a wireless device |
| 02/02/2005 | EP1502360A1 Burst-mode combining of reverse path radio frequency signals |
| 02/02/2005 | EP1238486A4 Fibre channel credit extender and repeater |
| 02/02/2005 | CN2676502Y Three-port single-fiber bidirectional device |
| 02/02/2005 | CN2676501Y Network infrared transender |
| 02/02/2005 | CN1575618A Optical switching device for wavelength division multiplex (WDM) telecommunications network |
| 02/02/2005 | CN1575556A Control station apparatus base station apparatus and optical transmission method |
| 02/02/2005 | CN1575430A Optical switching element having movable optically transmissive microstructure |
| 02/02/2005 | CN1574997A Radio communication apparatus and corresponding server and information programme |
| 02/02/2005 | CN1574771A Indoor local area network using ultra wide-band communication system |
| 02/02/2005 | CN1574723A Re-generator of optical clock signal |
| 02/02/2005 | CN1574722A Optical space communications device and control method thereof |
| 02/02/2005 | CN1574712A Optical power equalizer in a passive optical network |
| 02/02/2005 | CN1574710A Optical communication system, optical communication apparatus, and optical cable |
| 02/02/2005 | CN1574708A Infrared communication equipment utilizing reflecting device |
| 02/02/2005 | CN1574707A Optical receiver |
| 02/02/2005 | CN1574706A Communication device and method utilizing display unit flash of portable communication terminal set |
| 02/02/2005 | CN1574521A Integrated optical transducer assembly and method of forming the same |
| 02/02/2005 | CN1574401A Optical receiver, optical transmitter and optical transceiver |
| 02/02/2005 | CN1573390A Optical transmitter-receiver and optical fiber |
| 02/02/2005 | CN1573382A Wideband optical fiber amplifier |
| 02/02/2005 | CN1573380A Large-effective-area inverse dispersion compensating fiber, and transmission line incorporating the same |
| 02/02/2005 | CN1187994C Automatic switching control method of mixed light network in multiple granularities |
| 02/02/2005 | CN1187993C Signaling cascading method for switch connection in automatic switching optic/transport network |
| 02/02/2005 | CN1187992C Three-level switch structure with characters of high and low dual speeds, strict ranking and without blocking expansion |
| 02/02/2005 | CN1187914C Method and its device for monitoring multiway wave length light power and light frequency based on wave guide array grating |
| 02/02/2005 | CN1187913C Incoherent chirp-encoding optical CDMA access system |
| 02/02/2005 | CN1187912C Multipath high-speed light emitting module |
| 02/02/2005 | CN1187911C Optical amplifier control |
| 02/01/2005 | US6850713 Optical single sideband transmitter |
| 02/01/2005 | US6850712 Optical fiber transmission system with polarization multiplexing to reduce stimulated brillouin scattering |
| 02/01/2005 | US6850711 Unused band use right acquisition controlling method and passive optical network for the same |
| 02/01/2005 | US6850710 Method and apparatus of utilizing RF/microwave and optical mixing techniques to select a given band of an optical transmission |
| 02/01/2005 | US6850709 Apparatus and method for improved connectivity in wireless optical communication systems |
| 02/01/2005 | US6850708 Distributed intelligence wavelength division multiplexed network |
| 02/01/2005 | US6850706 Method for monitoring the operation of optical supply line fibers |
| 02/01/2005 | US6850705 Online distributed path routing method and system |
| 02/01/2005 | US6850680 Chromatic dispersion compensating fiber for use in U band optical fiber transmission systems |
| 02/01/2005 | US6850677 Method and system for dispersion maps and enhanced distributed gain effect in long haul telecommunications using distributed and remotely pumped erbium-based amplification |
| 02/01/2005 | US6850660 Transmission apparatus |
| 02/01/2005 | US6850584 Clock regeneration circuit and optical signal receiver using the same |
| 02/01/2005 | US6850475 Single frequency laser source for optical data storage system |
| 02/01/2005 | US6850461 Fiber-optic seismic array telemetry, system, and method |
| 02/01/2005 | US6850360 Raman amplifier systems with diagnostic capabilities |
| 02/01/2005 | US6850319 System for measuring and/or dynamically controlling power loss in an optical transmission line, and an associated method |
| 02/01/2005 | CA2201564C Optical repeaters for single- and multi-wavelength operation with dispersion equalization |
| 01/31/2005 | CA2379924A1 Improvements relating to optical delay lines |
| 01/29/2005 | CA2454236A1 Infrared repeater system, method, and adjustable brightness emitter therefor |
| 01/27/2005 | WO2005008925A1 Optical signal branching circuit and optical communication network |
| 01/27/2005 | WO2005008924A1 Transmission route switching control method and optical transmitter |