| 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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| 06/20/2000 | US6078413 Optical branching/multiplexing apparatus |
| 06/20/2000 | US6078394 Wavelength manager |
| 06/20/2000 | US6078150 Light-emitting element driving circuit and device using the same |
| 06/20/2000 | US6076939 Alignment device for aligning an optical transmitting beam with an optical receiving beam |
| 06/20/2000 | CA2177874C Multi-channel optical fiber communication system |
| 06/16/2000 | CA2291917A1 Optical communication system combining both baseband and passband signals |
| 06/15/2000 | WO2000035105A2 System for dealing with faults in an optical link |
| 06/14/2000 | EP1009112A2 Duplex Optical transmission system |
| 06/14/2000 | EP1009111A1 Fiber optic telecommunication system employing continuous downlink, burst uplink transmission format with preset uplink guard band |
| 06/14/2000 | EP1009078A1 Optical gain equalizer |
| 06/14/2000 | EP1008253A1 Method for compensating bit duration changes in fibreoptic signal transmission systems and retimer for carrying out said method |
| 06/14/2000 | EP1008239A1 Device for adding and dropping optical signals |
| 06/14/2000 | EP1008238A2 Automatic feedback gain control in a doped fiber amplifier |
| 06/13/2000 | US6075910 Method and apparatus for controlling an electro-optical switch |
| 06/13/2000 | US6075634 Gigabit data rate extended range fiber optic communication system and transponder therefor |
| 06/13/2000 | US6075633 Light transmission system |
| 06/13/2000 | US6075632 Optical noise monitor |
| 06/13/2000 | US6075631 Hitless reconfiguration of a wavelength division multiplexed optical communication network |
| 06/13/2000 | US6075630 Electro/optical combined type network node control system |
| 06/13/2000 | US6075629 Optical protection switch employing an interference filter |
| 06/13/2000 | US6075628 Fault location in optical communication systems |
| 06/13/2000 | US6075251 Optical transmitter data compression system |
| 06/13/2000 | US6075239 Article comprising a light-actuated micromechanical photonic switch |
| 06/13/2000 | CA2176682C Optical communication method for performing communication using a plurality of wavelengths, and optical communication system for performing communication using a plurality of wavelengths |
| 06/10/2000 | CA2282939A1 Optical equalizer |
| 06/08/2000 | WO2000033538A1 System and method for dial-up networking over infrared data link |
| 06/08/2000 | WO2000033490A1 Optical transceiver module |
| 06/08/2000 | WO2000033489A1 Multi-service adaptable optical network unit |
| 06/08/2000 | WO2000033488A1 Fiber to the curb and fiber to the neighborhood power architecture |
| 06/08/2000 | WO2000019651A3 Improvement in optical multichannel systems |
| 06/08/2000 | DE19948333A1 Erbiumbehandelter Faserverstärker zur Multiplex-Wellenlängen-Teilung, der pro Kanal konstante Leistung abgibt, und Verstärkungsverfahren hierfür Erbiumbehandelter fiber amplifier for wavelength division multiplex, the outputs constant power per channel, and reinforcement method therefor |
| 06/08/2000 | DE19856022A1 Weltweites Kommunikations- und Informationssystem Global Communication and Information System |
| 06/07/2000 | EP1006749A2 Worldwide communication and information system |
| 06/07/2000 | EP1006688A2 Optical multiplexer/demultiplexer circuit for wavelenght division multiplex transmission |
| 06/07/2000 | EP1006682A2 Automatic power shut-down arrangement for optical line systems |
| 06/07/2000 | EP1005707A1 Gain tilt control with mid-stage attenuators in erbium-doped fiber amplifiers |
| 06/07/2000 | EP0612451B1 System for generating feedback signals for regulating optical surveillance circuits (pll) |
| 06/07/2000 | CN1053306C Comprehenive business connecting network and method for forming network |
| 06/07/2000 | CA2289795A1 Duplex optical transmission system |
| 06/06/2000 | US6072925 Optical integrated nodes, and optical communication systems and networks using the optical integrated nodes |
| 06/06/2000 | US6072816 Laser-diode drive circuit |
| 06/06/2000 | US6072618 Light transmitting apparatus incorporating emission spectrum control function |
| 06/06/2000 | US6072616 Apparatus and methods for improving linearity and noise performance of an optical source |
| 06/06/2000 | US6072615 Phase modulator-based generation of high-quality high bit rate return-to-zero optical data streams |
| 06/06/2000 | US6072614 Monitoring induced counterpropagating signals in optical communications systems |
| 06/06/2000 | US6072613 Opto module |
| 06/06/2000 | US6072612 WDM transmitter for optical networks using a loop-back spectrally sliced light emitting device |
| 06/06/2000 | US6072610 Optical transmission system |
| 06/06/2000 | US6072609 Optical signal processing apparatus |
| 06/06/2000 | US6072601 Optical fiber amplifier and an optical communication system using same |
| 06/06/2000 | US6072366 Receiver capable of outputting a high quality signal without regard to an input signal level |
| 06/06/2000 | US6072363 Facility for combining and amplifying two broadband signals |
| 06/06/2000 | CA2166163C Network system as no arbitration control required, node device utilized in the network system, and transmission control method for the node device |
| 06/06/2000 | CA2151701C Photonic switching method and photonic switch utilizing same |
| 06/04/2000 | CA2287656A1 Automatic power shut-down arrangement for optical line systems |
| 06/02/2000 | WO2000031903A1 Suppression of brillouin effect by amplitude modulation and polarization scrambling |
| 06/02/2000 | WO2000031902A1 Transmission system with a transponder |
| 06/02/2000 | WO2000031839A1 Optical fiber amplifier for controlling gain flatness |
| 06/02/2000 | WO2000018044A9 Linearization of a broadband analog link using two wavelengths |
| 06/02/2000 | WO2000014917A3 Implementing an optical wdm connection |
| 06/02/2000 | WO1999057850A3 Sonet jo byte message monitoring system |
| 05/31/2000 | EP1005201A2 Code conversion for optical, duobinary transmission |
| 05/31/2000 | EP1005188A2 Method and apparatus for ancillary data in a wavelegth division multiplexed system |
| 05/31/2000 | EP1005183A1 Raman effect supression by polarisation modulation |
| 05/31/2000 | EP1005182A1 Biasing system for an optical modulator with double output |
| 05/31/2000 | EP1004907A2 Optical wavelength demultiplexer |
| 05/31/2000 | EP1004905A1 Dispersion compensation fibre for an optical wavelength division multiplexing system using a dispersion shifted line fibre |
| 05/31/2000 | EP1004202A4 Photonic home area network |
| 05/31/2000 | EP1004202A1 Photonic home area network |
| 05/31/2000 | EP1004176A1 Wavelength tailored dispersion compensation apparatus |
| 05/31/2000 | EP1004175A1 A method and an amplifier unit for the transmission of data signals via an optical fibre |
| 05/31/2000 | EP1004174A1 Optical transmitter system and method |
| 05/31/2000 | EP0907925B1 Communication system for transmitting accounting instructions |
| 05/31/2000 | DE19852332A1 Übertragungsmodul für die Übertragung von optischen Signalen Transmission module for transmitting optical signals |
| 05/31/2000 | CN2381069Y Light interface board with signal indication |
| 05/31/2000 | CN1255259A Optical amplifier, method for controlling excitation light source in optical amplifier, and method for controlling optical amplifier |
| 05/31/2000 | CN1254995A Code conversion circuit for optical duobinary transmission and optical transmitter and receiver |
| 05/31/2000 | CN1254854A Optical fibre amplifier with constant power output for each channel and amplifying method thereof |
| 05/30/2000 | USRE36715 Optically amplified transmission systems |
| 05/30/2000 | US6069987 Optical device for an optical network unit and manufacturing method therefor |
| 05/30/2000 | US6069732 Semiconductor interferometric optical wavelength conversion device |
| 05/30/2000 | US6069731 Constant passband variable gain optical amplifier and system for automatically compensating variations in losses on an optical link including an amplifier of this kind |
| 05/30/2000 | US6069722 Transmitter for optically transmitting analog electric signals, and digital transmission system |
| 05/30/2000 | US6069721 Radio frequency control circuit of base station of mobile communications systems |
| 05/30/2000 | US6069720 Optical telecommunications network |
| 05/30/2000 | US6069719 Dynamically reconfigurable optical add-drop multiplexers for WDM optical communication systems |
| 05/30/2000 | US6069718 Distortion penalty measurement procedure in optical systems using noise loading |
| 05/30/2000 | US6069534 Balance photo-receiver with complementary HBT common-base push pull pre-amplifier |
| 05/30/2000 | US6069365 Optical processor based imaging system |
| 05/30/2000 | US6068627 Smart recognition apparatus and method |
| 05/30/2000 | CA2012116C Optical transmitter power measurement and control |
| 05/27/2000 | CA2290763A1 Biasing system for an optical modulator with double output |
| 05/27/2000 | CA2290311A1 Modular filter for extracting optical signals from, and/or inserting them into, multiple-wavelength optical telecommunications systems |
| 05/25/2000 | WO2000030415A1 Communication system |
| 05/25/2000 | WO2000030282A1 Code-based optical networks, methods, and apparatus |
| 05/25/2000 | WO2000030281A1 Method and system for securing wavelength division multiplex systems |
| 05/25/2000 | WO2000029887A1 Codes, methods, and apparatus for optical encoding and decoding |
| 05/25/2000 | WO2000018047A3 Pre- and post-compensation techniques for wavelength division multiplexing systems |
| 05/25/2000 | DE19855288A1 Method of locating persons having mutually harmonized astrological aspects by carrying portable data processing device with infrared transmitter |
| 05/25/2000 | DE19853739A1 Verfahren zur Ansteuerung von elektrisch betätigten Schaltventilen Method for actuating electrically operated shift valves |