| 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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| 09/16/1998 | EP0865174A2 Bidirectional electrooptical data transmission system |
| 09/16/1998 | EP0865173A2 A remotely pumping type multi-wavelength light transmission system |
| 09/16/1998 | EP0864210A1 Dispersion management system for soliton optical transmission system |
| 09/16/1998 | EP0834094A4 Solitons in dispersion flattened waveguide |
| 09/16/1998 | EP0577729B1 Clamping receiver and corresponding fiber-optic communication network |
| 09/16/1998 | CN1193433A Communication channel monitoring method using parity check pit |
| 09/16/1998 | CN1193429A Discriminating infrared signal detector and systems utilizing the same |
| 09/16/1998 | CN1193392A Method and device for transmitting key operation information and transmission-reception system |
| 09/16/1998 | CN1193252A Overhead communication apparatus |
| 09/16/1998 | CN1193125A Optical wave-length filter and signal separator |
| 09/16/1998 | CN1193124A Optical wavelength filter and optical signal separator |
| 09/15/1998 | US5809401 Method and apparatus for reducing interference in a radio communication link of a cellular communication system |
| 09/15/1998 | US5809220 Fault tolerant distributed control system |
| 09/15/1998 | US5809196 Dispersion-shifted optical fibers for wavelength division multiplexing |
| 09/15/1998 | US5809049 Method and apparatus for monitoring the RF drive circuit of a linear laser transmitter |
| 09/15/1998 | US5809047 Method for driving a wavelength changeable light source apparatus, such a wavelength changeable light source apparatus and an optical communication system using the same |
| 09/15/1998 | US5808789 Optically amplifying transmission system |
| 09/15/1998 | US5808787 Amplified telecommunication system for wavelength-division multiplexing transmissions |
| 09/15/1998 | US5808785 Optical fiber amplifier and optical transmission system using the same |
| 09/15/1998 | US5808770 Method and apparatus for using on-off-keying using laser relaxation oscillation |
| 09/15/1998 | US5808769 For providing a wireless communication interface for a computer |
| 09/15/1998 | US5808768 Optical telecommunications system |
| 09/15/1998 | US5808767 Fiber optic network with wavelength-division-multiplexed transmission to customer premises |
| 09/15/1998 | US5808766 Method for measuring a signal transmission delay time, central station, terminal station and network to perform this method |
| 09/15/1998 | US5808764 Multiple star, passive optical network based on remote interrogation of terminal equipment |
| 09/15/1998 | US5808762 Telecommunication system and method for wavelength-division multiplexing transmissions with a controlled separation of the outgoing channels and capable of determining the optical signal/noise ratio |
| 09/15/1998 | US5808761 Path integrity proving in optical communications systems |
| 09/15/1998 | US5808760 Wireless optical communication system with adaptive data rates and/or adaptive levels of optical power |
| 09/15/1998 | US5808472 Apparatus and methods for positioning optical fibers and other resilient members |
| 09/15/1998 | US5808314 Semiconductor emission device with fast wavelength modulation |
| 09/11/1998 | WO1998039861A1 Optical bus system |
| 09/11/1998 | WO1998039826A1 Stabilized dfb laser |
| 09/11/1998 | WO1998039686A1 Optical device |
| 09/11/1998 | WO1998039685A1 Energy-depleted radiation apparatus and method |
| 09/11/1998 | CA2282423A1 Optical device |
| 09/11/1998 | CA2281776A1 Stabilized dfb laser |
| 09/09/1998 | EP0863637A2 Communication equipment with an optical bus and method of operating the same |
| 09/09/1998 | EP0863630A2 Method and apparatus for transmitting a wavelength division multiplexed (WDM) signal through an optical transmission line to reduce the effects of stimulated brillouin scattering (SBS) |
| 09/09/1998 | EP0863629A2 Polarization maintaining optical amplifier |
| 09/09/1998 | EP0863628A1 Method and means to operate a laser emitter system for optical free space communication |
| 09/09/1998 | EP0863627A1 Method and means for optical data transmission via satellites |
| 09/09/1998 | EP0863626A2 Optical transmission system monitoring polarisation mode dispersion |
| 09/09/1998 | EP0863625A2 Optical transmission system, optically branching apparatus and optical signal processing apparatus |
| 09/09/1998 | EP0863624A2 Low power digital signal photocoupler isolator |
| 09/09/1998 | EP0862820A1 Device for the optical transmission of signals |
| 09/09/1998 | EP0862819A1 Optical transmitter |
| 09/09/1998 | EP0862818A1 Submillimeter indirect heterodyne receiver and mixer element |
| 09/08/1998 | US5805641 Threshold setting device |
| 09/08/1998 | US5805627 Laser diode and optical communications system using such laser diode |
| 09/08/1998 | US5805327 Reshaping device for optical short pulses |
| 09/08/1998 | US5805322 Multiplex optical communication system |
| 09/08/1998 | US5805321 Control unit for optical modulators producing multiplexed optical output signal |
| 09/08/1998 | US5805319 Circuit for discriminating the presence of extraordinariness in an output signal |
| 09/08/1998 | US5805318 Apparatus for determining the effect of modal noise on a communication system by flexing an optical fiber |
| 09/07/1998 | CA2228600A1 Method and arrangement for optical information transmission via satellites |
| 09/07/1998 | CA2228529A1 Method and arrangement for operating a laser transmitting system for optical space communications |
| 09/03/1998 | WO1998038709A1 Optical transmitter, optical repeater and optical cross connection device |
| 09/03/1998 | DE19805312A1 Optical communication device for vending machine or vehicle |
| 09/03/1998 | DE19732568C1 Optic transmission system with dispersion compensation |
| 09/03/1998 | CA2230749A1 Low power digital signal isolator |
| 09/02/1998 | EP0862291A2 Wavelength division multiplexing communication system |
| 09/02/1998 | EP0862286A1 Optical regeneration for optical fibre transmission systems with non-soliton signals |
| 09/02/1998 | EP0862285A2 Optical transmission system using in-line amplifiers |
| 09/02/1998 | EP0862284A2 Optical transmission system and dispersion compensator |
| 09/02/1998 | EP0862078A1 Optical fiber communication system using optical phase conjugate, apparatus applicable to the system and its manufacturing method |
| 09/02/1998 | EP0862071A1 Optical branching device and method of optical transmission |
| 09/02/1998 | EP0861537A1 Improvements in or relating to optical add/drop wavelength division multiplex systems |
| 09/02/1998 | EP0579620B1 A terminal for a frequency divided, optical communication system |
| 09/02/1998 | CN1192307A Packet routing |
| 09/02/1998 | CN1192303A Modular unit headset |
| 09/02/1998 | CN1192093A Optical transmission system using in-line amplifiers |
| 09/02/1998 | CN1192092A 光传输系统 The optical transmission system |
| 09/02/1998 | CN1192091A Optical transmission system and dispersion compensator |
| 09/02/1998 | CN1191984A Optical switch, method of manufacturing same, and optical communication equipment using same |
| 09/01/1998 | US5802449 Broadband communication system and method therefor |
| 09/01/1998 | US5802234 Dispersion compensating optical fiber, and communication system comprising same |
| 09/01/1998 | US5801879 Device and method to supress Q-switching in an optical amplifying device |
| 09/01/1998 | US5801878 Circuit having two optical amplifiers, in particular for a repeater in an undersea telecommunications system |
| 09/01/1998 | US5801867 DC-coupled receiver for shared optical system |
| 09/01/1998 | US5801866 Laser communication device |
| 09/01/1998 | US5801864 Method for transmitting optical signals to terminals |
| 09/01/1998 | US5801863 Method of monitoring performance/signal routing |
| 09/01/1998 | US5801862 Synchronous modulation method and apparatus for in-line regeneration of a WDM soliton signal, and an optical telecommunications systems using the method |
| 09/01/1998 | US5801861 Communication system for performing wavelength division multiplexing communications, and wavelength control method used in the system |
| 09/01/1998 | US5801860 Wavelength division multiplexing transmission system comprising a feedback section for transmitting a light power level signal from a light receiver to a light transmitter |
| 09/01/1998 | US5801859 Network system having transmission control for plural node devices without arbitration and transmission control method therefor |
| 09/01/1998 | US5801858 Optical transmission systems using optical amplifiers and wavelength division multiplexing |
| 09/01/1998 | CA2138827C Optical time slot interchanger apparatus and method of operation |
| 08/27/1998 | WO1998037645A1 Method and system for equalizing pmd using incremental delay switching |
| 08/27/1998 | WO1998037396A1 A method and system for simulating pmd using incremental delay switching |
| 08/27/1998 | DE19712280A1 Audio system with wireless signal transmission |
| 08/27/1998 | CA2252775A1 Method and system for equalizing pmd using incremental delay switching |
| 08/26/1998 | EP0860955A2 Linearization enhanced operation of single-stage and dual stage elecro-optic modulators |
| 08/26/1998 | EP0859967A1 Low profile optical device with multiple mounting configurations |
| 08/26/1998 | CN1191428A Single sideband modulators |
| 08/26/1998 | CN1191427A Method and apparatus for tracking alignment in wireless optical communications |
| 08/26/1998 | CN1191426A 突发模式波长管理器 Burst mode wavelength Manager |
| 08/26/1998 | CN1191318A Tunable filtering device for optical communications |
| 08/26/1998 | CN1039613C Apparatus for adapting electrical communications port to optical communications port |
| 08/25/1998 | US5799239 Asymmetric coupling method for attenuating upstream and downstream signals by different amounts to reduce ingress noise |