| 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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| 03/02/1999 | US5877820 Optical transmission of signals |
| 03/02/1999 | CA2140083C Dual-wavelength source of high-repetition-rate, transform-limited optical pulses |
| 03/01/1999 | CA2243611A1 Optical amplification semiconductor device |
| 02/28/1999 | CA2244475A1 Expandable wavelength-selective and loss-less optical add/drop system |
| 02/28/1999 | CA2242496A1 Method for optical transmission over a fiber optic network, and optical communications network |
| 02/25/1999 | WO1999009682A1 Optical transmitter system and method |
| 02/25/1999 | WO1999009662A1 Remote control auto radio |
| 02/25/1999 | WO1999009448A1 Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion |
| 02/25/1999 | WO1998001777A3 Fiber optic system with simultaneous switching and raman |
| 02/24/1999 | EP0898440A2 Optical switch module |
| 02/24/1999 | EP0898391A2 Minimizing dispersion in optical-fiber transmission lines |
| 02/24/1999 | EP0898390A2 Method and apparatus for generating an optical output signal |
| 02/24/1999 | EP0898389A2 Optical transmission system, optical transmitter and optical receiver used therefor for transmission of an angle-modulated signal |
| 02/24/1999 | EP0898388A2 Portable electronic devices using infrared data transmission |
| 02/24/1999 | EP0898387A2 Optical power measuring system, terminal station and repeater therefor |
| 02/24/1999 | EP0898386A2 Optical transmission line monitoring apparatus |
| 02/24/1999 | EP0898229A2 Infrared communication control apparatus and method |
| 02/24/1999 | EP0897624A1 Method and device for on-line regeneration of a signal transmitted by wavelength division multiplexed solitons and optical telecommunication system comprising such a regenerating device |
| 02/24/1999 | EP0897550A1 A light modulation system including a super conductive plate assembly for use in a data transmission scheme and method |
| 02/24/1999 | EP0897547A1 Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion |
| 02/24/1999 | CN1209245A Automatic subscriber callback system |
| 02/24/1999 | CN1209243A Telephone equipment protection circuit |
| 02/24/1999 | CN1209209A Fault detection and modification circuit |
| 02/24/1999 | CN1209006A Method and apparatus for minimizing intensity of specific frequency component of optical signal travelling through optical fiber transmission line to thereby minimize total dispersion |
| 02/24/1999 | CN1209005A Transmission apparatus and method of extending the same |
| 02/23/1999 | US5875273 Laser wavelength control under direct modulation |
| 02/23/1999 | US5875172 Automatic transmission network restoring system |
| 02/23/1999 | US5875054 Bidirectional optical amplifier circuit |
| 02/23/1999 | US5875050 For use in a digital optical communication system |
| 02/23/1999 | US5875049 Amplifier for burst signal and optical receiving circuit |
| 02/23/1999 | US5875048 Linear multi-output optical transmitter system |
| 02/23/1999 | US5875047 Optical transceiver unit |
| 02/23/1999 | US5875046 Optical repeater and optical transmitter |
| 02/23/1999 | US5875045 Wavelength-multiplexing optical communication method employing RZ signals, wavelength-multiplexing optical sending apparatus employing RZ signals, and wavelength-multiplexing optical communication system employing RZ signals |
| 02/23/1999 | US5874861 Amplifier circuit |
| 02/23/1999 | US5874724 Light selectable radio frequency identification tag and method therefor |
| 02/23/1999 | CA2245460A1 Unequal couplers for multimode pumping optical amplifiers |
| 02/23/1999 | CA2245457A1 Twin coupler with mode scrambling for multimode pumping of optical amplifiers |
| 02/21/1999 | CA2242257A1 Procedure and device for creating an optical output signal |
| 02/18/1999 | WO1999008406A1 System and method of high-speed transmission and appropriate transmission apparatus |
| 02/18/1999 | WO1999008405A1 Device for receiving a send signal and for sending an optical beam and use thereof |
| 02/18/1999 | WO1999008404A1 Device for transferring optical signals with replacement circuit function |
| 02/18/1999 | WO1999008403A1 Multi-wavelength cross-connect optical network |
| 02/18/1999 | WO1999008350A1 Optical communications system |
| 02/18/1999 | WO1998052314A3 An add and drop node for optical communication systems |
| 02/18/1999 | WO1998047040A3 1 x n digitally programmable optical routing switch |
| 02/18/1999 | DE19734988A1 Car radio with remote control function |
| 02/18/1999 | DE19731494A1 Verfahren und Anordnung zur Datenübertragung im Wellenlängenmultiplexverfahren in einem optischen Ringnetz Method and apparatus for data transmission in the wavelength division multiplexing in an optical ring network |
| 02/18/1999 | CA2299724A1 System and method of high-speed transmission and appropriate transmission apparatus |
| 02/18/1999 | CA2299402A1 Multi-wavelength cross-connect optical network |
| 02/18/1999 | CA2299244A1 Device for receiving a send signal and for sending an optical beam and use thereof |
| 02/17/1999 | EP0897227A2 Method and arrangement for multichannel optical trasnsmission systems wavelength stabilisation |
| 02/17/1999 | EP0897209A1 Device for transmitting commands to units of a system, particularly an electrical system, and a system controlled by such a device |
| 02/17/1999 | EP0897205A2 Method and device for optical amplification and system having the device |
| 02/17/1999 | EP0896687A1 Optical network unit (onu) mechanical enclosure |
| 02/17/1999 | CN1208523A Dispersion slope compensation in optical transmission systems |
| 02/17/1999 | CN1208295A Data transmitting apparatus |
| 02/17/1999 | CN1208178A Method and device for optical amplification and system having the device |
| 02/16/1999 | US5872650 Optical amplifiers |
| 02/16/1999 | US5872647 For use with optical digital communication |
| 02/16/1999 | US5872646 Photoelectric detector with coded pulse output |
| 02/16/1999 | US5872645 Telecommunications network |
| 02/16/1999 | US5872644 Fiber-optic access system for subscriber optical communication |
| 02/16/1999 | CA2138107C Method and device for the fine synchronization of atm cells in optical atm nodes |
| 02/16/1999 | CA2129779C Device for extraction and re-insertion of an optical carrier in optical communication networks |
| 02/16/1999 | CA2051913C Process and device for transmitting informations over optical fibers with detection and/or localization of intrusions |
| 02/11/1999 | WO1999007097A1 Dynamically reconfigurable optical add-drop multiplexers for wdm optical communication systems |
| 02/11/1999 | WO1999007096A1 Multi-band amplification system for dense wavelength division multiplexing |
| 02/11/1999 | WO1999007088A1 Optical fibre communication system |
| 02/11/1999 | WO1999007087A2 Communication using spread spectrum methods over optical fibers |
| 02/11/1999 | WO1999007086A1 Method and apparatus for laser communication through a lossy medium |
| 02/11/1999 | WO1999007002A1 Electrically optimized hybrid 'last mile' telecommunications cable system |
| 02/11/1999 | WO1998047254A3 N x m optical wavelength routing switch |
| 02/11/1999 | DE19734311A1 Anordnung zur Übertragung optischer Signale mit Ersatzschaltungswirkung Arrangement for transmitting optical signals having effect equivalent circuit |
| 02/11/1999 | CA2299596A1 Method and apparatus for laser communication through a lossy medium |
| 02/11/1999 | CA2299441A1 Multi-band amplification system for dense wavelength division multiplexing |
| 02/11/1999 | CA2298713A1 Electrically optimized hybrid "last mile" telecommunications cable system |
| 02/11/1999 | CA2298599A1 Communication using spread spectrum methods over optical fibers |
| 02/11/1999 | CA2295885A1 Optical fibre communication system |
| 02/10/1999 | EP0896448A2 Optical node system for a ring architecture and method thereof |
| 02/10/1999 | EP0896447A2 WDM transmitter for optical networks using a loop-back spectrally sliced light emitting device |
| 02/10/1999 | EP0896445A2 Method and apparatus for correction of optical signals distorted by optical interference |
| 02/10/1999 | EP0896444A2 Remote monitoring of an optical transmission system using line monitoring signals |
| 02/10/1999 | CN1207841A Full duplex optical modem for broadband access network |
| 02/10/1999 | CN1207840A Improvements in fibre-break detection in optical signal transmission networks |
| 02/10/1999 | CN1207618A Optical transmission system and transmitting terminal station |
| 02/10/1999 | CN1207617A System of controlling wavelength division multiplexed optical amplifier and method thereof |
| 02/10/1999 | CN1207551A Semiconductor laser driving method and optical disc apparatus |
| 02/09/1999 | USRE36088 Optical transmitter |
| 02/09/1999 | US5870593 Method and programmable device for generating variable width pulse trains |
| 02/09/1999 | US5870513 Bidirectional cable network with a mixing tap for suppressing undesirable noise in signals from a remote end of the network |
| 02/09/1999 | US5870512 Optical transmitter |
| 02/09/1999 | US5870390 Statellite direct radio broadcast receiver for extracting a broadcast channel and service control header from time division multiplexed transmissions |
| 02/09/1999 | US5870217 Multi-wavelength optical batch amplification apparatus |
| 02/09/1999 | US5870216 Splitterless optical broadcast switch |
| 02/09/1999 | US5870215 Infrared identification and communication assembly |
| 02/09/1999 | US5870214 Free space communications system employing line of sight radiation |
| 02/09/1999 | US5870213 Optical transmission system, optical multiplexing transmission system, and related peripheral techniques |
| 02/09/1999 | US5870212 Self-healing optical network |
| 02/09/1999 | US5870211 Error rate measurement system for high speed optical pulse signals |