| 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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| 05/06/1998 | EP0840467A2 Light emitting device drive circuit |
| 05/06/1998 | EP0839414A1 Optical communications system |
| 05/06/1998 | CA2217077A1 Crosstalk suppression in a multipath optical amplifier |
| 05/05/1998 | US5748824 Positive dispersion optical waveguide |
| 05/05/1998 | US5748822 Optical module for connecting optical element and optical fiber |
| 05/05/1998 | US5748813 Free space optical communication system |
| 05/05/1998 | US5748364 Amplified telecommunication system for wavelength-division multiplexing transmissions |
| 05/05/1998 | US5748363 Wavelength dependent crossover system for bi-directional transmission |
| 05/05/1998 | US5748351 Optical power detector, and multi-level digital transmission system incorporating the same |
| 05/05/1998 | US5748349 Gratings-based optical add-drop multiplexers for WDM optical communication system |
| 05/05/1998 | US5748348 Optical communication system for cable-television signals and for subscriber-assigned signals |
| 05/05/1998 | US5747791 Method and devices for wavelength and power demodulation based on the use of a quantum well electroabsorption filtering detector |
| 05/05/1998 | CA2095113C Optical network |
| 05/05/1998 | CA2050460C Device for spatially transmitting a plurality of signals over a fiberoptic monofilament |
| 04/30/1998 | WO1998018224A1 Path to provide otdr measurements of an optical transmission system that includes optical isolators |
| 04/30/1998 | WO1998018223A1 Method and device for combined analogue and digital transmission of an analogue ac measuring signal by means of an optical fibre |
| 04/30/1998 | WO1998018222A1 Optical transmitter and optical transmission system |
| 04/30/1998 | WO1998018221A1 Optical transmitter and optical transmission system |
| 04/30/1998 | WO1998018220A1 Manufacturing method and device for a wireless local area network optics fixture array |
| 04/30/1998 | WO1998018219A1 Suppression of stimulated brillouin scattering in optical transmission system |
| 04/30/1998 | DE19732297A1 Optical and/or electrical signal conversion and/or transmission device |
| 04/30/1998 | CA2217793A1 Adapting device for optical communication network |
| 04/30/1998 | CA2216756A1 Optical network termination unit of a hybrid fiber/coax access network |
| 04/29/1998 | EP0838943A2 System for television transmission of an outdoor event |
| 04/29/1998 | EP0838918A1 Device for add-dropping wavelength multiplexed channels |
| 04/29/1998 | EP0838914A2 Circuit arrangement for amplifying an electrical signal converted from an optical signal |
| 04/29/1998 | EP0838913A2 Stable power control for optical transmission systems |
| 04/29/1998 | EP0838912A2 Method for monitoring fiber optic cable |
| 04/29/1998 | CN1180464A Optical network and arrangement and method in such network |
| 04/29/1998 | CN1180462A Multi-point to point communication system |
| 04/29/1998 | CN1180461A Branching unit for an optical fibre transmission system |
| 04/29/1998 | CA2217546A1 Device and method to suppress q-switching in an optical amplifying device |
| 04/28/1998 | US5745613 Wavelength-division multiplexing optical communication apparatus and method therefor |
| 04/28/1998 | US5745612 Wavelength sorter and its application to planarized dynamic wavelength routing |
| 04/28/1998 | US5745582 Audio signal transmitting apparatus audio signal receiving apparatus and audio signal transmitting and receiving system |
| 04/28/1998 | US5745283 Method and apparatus for controlling optical amplifier used for optically amplifying wavelength-division multiplexed signal |
| 04/28/1998 | US5745282 Light modulation device |
| 04/28/1998 | US5745276 Universal optical signal receiver |
| 04/28/1998 | US5745275 Multi-channel stabilization of a multi-channel transmitter through correlation feedback |
| 04/28/1998 | US5745274 Maintenance of optical networks |
| 04/28/1998 | US5745273 Device for single sideband modulation of an optical signal |
| 04/28/1998 | US5745272 Optical data communication and location apparatus, system and method and transmitters and receivers for use therewith |
| 04/28/1998 | US5745270 Method and apparatus for monitoring and correcting individual wavelength channel parameters in a multi-channel wavelength division multiplexer system |
| 04/28/1998 | US5745005 Demodulating system for carrier-wave and single pulse modulated signals |
| 04/28/1998 | CA2022503C Fast packet and frequency switch |
| 04/24/1998 | CA2217119A1 Extraction-insertion device for wavelength multiplexed channels |
| 04/23/1998 | WO1998017043A2 Massively parallel processor networks with optical express channels |
| 04/23/1998 | WO1998017008A1 Data transmission equipment |
| 04/23/1998 | WO1998016980A1 Multi-channel fiber amplification system and associated method |
| 04/23/1998 | WO1998009392A3 System and method of using optical fibers in a data storage and retrieval system |
| 04/23/1998 | DE19710033C1 Signal modulation conversion method for optical multiplex system |
| 04/23/1998 | DE19647212C1 Electrical energy source with optical energy supply e.g. for data transmission |
| 04/23/1998 | DE19643374A1 Verfahren und Vorrichtung zur kombinierten Analog- und Digitalübertragung eines analogen AC-Meßsignals mittels eines Lichtwellenleiters Method and apparatus for combined analog and digital transmission of an analog AC measurement signal by means of an optical waveguide |
| 04/23/1998 | DE19642149A1 System zur Datenübertragung System for data transmission |
| 04/23/1998 | DE19640421A1 Optoelektronisches Modul zur bidirektionalen optischen Datenübertragung The optoelectronic module for bi-directional optical data transmission |
| 04/22/1998 | EP0837576A2 Transient suppression in an optical wavelength division multiplexed network |
| 04/22/1998 | EP0837575A2 Optical communication system employing spectrally sliced optical source |
| 04/22/1998 | EP0837572A2 Optical network, optical division and insertion node and recovery system from network failure |
| 04/22/1998 | EP0837571A1 Optical signal for an optical soliton transmission system |
| 04/22/1998 | EP0837570A2 Optical receiver capable of responding to both burst and continuous signals |
| 04/22/1998 | EP0837385A1 Method and apparatus for data transmission between a (notebook) computer and a printer in a portable case |
| 04/22/1998 | EP0695486A4 Synchronous optical digital transmission system and method |
| 04/22/1998 | CN1179659A Data communication method, electronic apparatus, and physical-layer-control integrated circuit |
| 04/21/1998 | US5742774 Multi-ring SONET architecture having shared gateways daisy chained to complete the main and subsidiary ring controlled by a common master controller |
| 04/21/1998 | US5742723 Optical transmission system with dispersion compensating optical fiber |
| 04/21/1998 | US5742427 Optical fiber amplifier |
| 04/21/1998 | US5742418 Optical communication system and method using two kinds of light different both in polarization direction and wavelength |
| 04/21/1998 | US5742416 Bidirectional WDM optical communication systems with bidirectional optical amplifiers |
| 04/21/1998 | US5742415 Optical switching device |
| 04/21/1998 | US5742413 Circuit of duplexing supervisory control modules for use in a data transmission system |
| 04/21/1998 | CA2216929A1 Optical signal for a soliton optical transmission system |
| 04/21/1998 | CA2188358A1 optical modulation system |
| 04/18/1998 | CA2214483A1 Transient suppression in an optical wavelength division multiplexed network |
| 04/16/1998 | WO1998016084A1 Contention free global interconnection |
| 04/16/1998 | WO1998016054A1 Cellular system with optical link between mobile telephone switching office and cell sites |
| 04/16/1998 | WO1998016027A1 Monitoring system using an optical side tone as a test signal |
| 04/16/1998 | WO1998016026A1 Modem, method and device for indicating received signal strength and presence for intensity modulated binary-coded wireless data packets with reduced recovery time |
| 04/16/1998 | WO1998016018A2 Wavelength division multiplexed signal amplifier |
| 04/16/1998 | WO1998016017A2 Interlocked high power fiber system using otdr |
| 04/16/1998 | WO1998015993A1 Lossless optical transmission system architecture |
| 04/16/1998 | WO1998015861A1 Method and apparatus for combining add/drop optical signal lines from a plurality of branching units |
| 04/16/1998 | WO1998015860A1 High channel density wavelength division multiplex (wdm) optical transmission system with negligible four-wave mixing (fwm) penalty |
| 04/16/1998 | WO1998015816A1 Side-tone otdr for in-service optical cable monitoring |
| 04/16/1998 | WO1998015428A1 Method and device for non-contact current and data transmission inside vehicles |
| 04/16/1998 | WO1998006191A3 Automatic feedback gain control in a doped fiber amplifier |
| 04/16/1998 | DE19640690A1 Digital data transmission method |
| 04/16/1998 | CA2267889A1 High channel density wavelength division multiplex (wdm) optical transmission system with negligible four-wave mixing (fwm) penalty |
| 04/16/1998 | CA2267888A1 Side-tone otdr for in-service optical cable monitoring |
| 04/16/1998 | CA2267779A1 Method and apparatus for combining add/drop optical signal lines from a plurality of branching units |
| 04/15/1998 | EP0836343A2 Wavelenght bypassed ring networks |
| 04/15/1998 | EP0836298A2 Communication system |
| 04/15/1998 | EP0836254A1 Optical filter, process for producing the same, and optical amplifier provided with the same |
| 04/15/1998 | EP0836105A1 An optical transmission/reception module |
| 04/15/1998 | EP0835567A1 Add/drop multiplexer node |
| 04/15/1998 | EP0835565A1 Group modulator for a broadband communications system |
| 04/15/1998 | EP0835559A1 Non-linearity estimation method and device |
| 04/15/1998 | EP0835542A1 Wavelength converter |
| 04/15/1998 | CN2279035Y Fault detector for infrared remote-controlled emitter |
| 04/15/1998 | CN2278434Y Serial digital communication device for intelligent portable medical equipment and computer |
| 04/15/1998 | CN1179245A 光学网络 Optical Network |