Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12298130 | Tunable laser and method to tune a wavelength of a light emitted by the laser | Aldo Righetti, Maria Chiara Ubaldi | 2025-05-13 |
| 9894044 | Method for secure signal transmission in a telecommunication network, in particular in a local area network | Mauro Robba, Claudio Zammarchi | 2018-02-13 |
| 9640938 | Optical amplifier and related method | Fausto Meli, Aldo Righetti | 2017-05-02 |
| 9124362 | Optical amplification stage for OTDR monitoring and related method and system for OTDR monitoring of an optical communication link | Andrea Melloni, Aldo Righetti, Fausto Meli | 2015-09-01 |
| 8975508 | Solar concentrator for photovoltaic systems | Francesco Morichetti, Silvia Maria Pietralunga, Aldo Righetti, Maria Chiara Ubaldi | 2015-03-10 |
| 8494318 | Method and device for hitless tunable optical filtering | Lorenzo Bolla, Paola Galli, Silvia Ghidini, Marco Romagnoli, Luciano Socci | 2013-07-23 |
| 8380076 | Optical transmission system with optical chromatic dispersion compensator | Pierpaolo Boffi, Lucia Marazzi, Paola Parolari, Aldo Righetti, Marco Romagnoli +1 more | 2013-02-19 |
| 7848660 | VSB transmitter using locked filter | — | 2010-12-07 |
| 7526157 | Point-to-point optical fibre link | Roberto Aldeghi, Pierluigi Franco, Marco Romagnoli, Francesco Tassone | 2009-04-28 |
| 7010231 | System and method of high-speed transmission and appropriate transmission apparatus | Pierluigi Franco, Matjaz Vidmar | 2006-03-07 |
| 7006281 | Shared variable gain amplifier for WDM channel equalization | Fausto Meli, Roberta Castagnetti | 2006-02-28 |
| 6961522 | Automatic raman gain and tilt control for ultra-long-distance dense WDM optical communication system | Roberta Castagnetti, Fabrizio Di Pasquale, Fausto Meli, Giovanni Sacchi | 2005-11-01 |
| 6925265 | System and method of high-speed transmission and appropriate transmission apparatus | Pierluigi Franco, Matjaz Vidmar | 2005-08-02 |
| 6862132 | Suppression of double rayleigh backscattering and pump reuse in a raman amplifier | Emilio Casaccia, Fabrizio Di Pasquale | 2005-03-01 |
| 6697193 | Shared variable gain amplifier for WDM channel equalization | Fausto Meli, Roberta Castagnetti | 2004-02-24 |
| RE38298 | Double-core active fiber optical amplifier having a wide-band signal wavelength | Paul L. Scrivener, Andrew Paul Appleyard | 2003-11-04 |
| 6437888 | Device for adding and dropping optical signals | Fausto Meli, Marcos Antonio Brandão Sanches, Mario Tamburello | 2002-08-20 |
| 6288810 | Device for adding and dropping optical signals | Fausto Meli, Marcos Antonio Brandão Sanches, Mario Tamburello | 2001-09-11 |
| 6191854 | Optical telecommunications system | Aldo Righetti, Paolo Ottolenghi, Fabio Donati | 2001-02-20 |
| 5946117 | Optical soliton telecommunication system with dispersion-shifted optical fibre | Fausto Meli | 1999-08-31 |
| 5943151 | Mehtod of selectively compensating for the chromatic dispersion of optical signals | Fausto Meli | 1999-08-24 |
| 5809196 | Dispersion-shifted optical fibers for wavelength division multiplexing | Fausto Meli | 1998-09-15 |
| RE35697 | Unit for amplifying light signals in optical fiber transmission lines | Aldo Righetti | 1997-12-23 |
| 5638204 | Optical power amplifier with Al.sub.2 O.sub.3 and erbium doped active fiber | Aldo Righetti, Fausto Meli | 1997-06-10 |
| 5497265 | High-power signals optical generator for telecommunication systems | Flavio Fontana, Aldo Righetti | 1996-03-05 |