G02F 2203/19
Linearised modulation
Official title: linearised modulation; reduction of harmonic distortions
G02F2203/19 (Linearised modulation) appears on 77 US grants and 28 published applications in this corpus.
Search patents in G02F- Granted patents
- 77
- Published applications
- 28
- Assignees
- 44
- Inventors
- 98
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 10 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 1 |
| 2004 | 3 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 2 |
| 2015 | 4 | 2 |
| 2016 | 1 | 1 |
| 2017 | 0 | 2 |
| 2018 | 2 | 1 |
| 2019 | 3 | 3 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 1 | 3 |
| 2023 | 1 | 1 |
| 2024 | 1 | 2 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Linearized optical digital-to-analog modulator12 Aug 2025US 12,388,533 B2Ramot at Tel-Aviv University Ltd.
- Optical device having a Mach-Zehnder interferometer with improved linearity13 May 2025US 12,298,649 B2Hewlett Packard Enterprise Development LP
- Linearized optical digital-to-analog modulator7 Jan 2025US 12,191,912 B2Ramot at Tel-Aviv University Ltd.
- Linearized modulator10 Sep 2024US 12,085,831 B2Rockley Photonics Limited
- Linearized optical digital-to-analog modulator1 Aug 2023US 11,716,148 B2Ramot at Tel-Aviv University Ltd.
- Linearized optical digital-to-analog modulator13 Nov 2025US 2025/0350366 A1Ramot at Tel-Aviv University Ltd.
- Linearized optical digital-to-analog modulator26 Dec 2024US 2024/0430011 A1Ramot at Tel-Aviv University Ltd.
- Optical device having a mach-zehnder interferometer with improved linearity6 Jun 2024US 2024/0184180 A1Hewlett Packard Enterprise Development LP
- Linearized optical digital-to-analog modulator14 Dec 2023US 2023/0403079 A1Ramot at Tel-Aviv University Ltd.
- Linearized modulator22 Sep 2022US 2022/0299836 A1Rockley Photonics Limited
Most cited
By later US patents
- Cascaded optical modulation system with high linearity119US 5,278,923 AHarmonic Lightwaves, Inc. · 1994
- Optical transmitters linearized by means of parametric feedback100US 5,161,044 AHarmonic Lightwaves, Inc. · 1992
- Apparatus and method for linearizing an external optical modulator91US 5,321,543 AGeneral Instrument Corporation · 1994
- Single sideband optical modulator for lightwave systems80US 5,301,058 AGTE Laboratories Incorporated · 1994
- Apparatus and method for linearized cascade coupled integrated optical modulator78US 5,148,503 ACrystal Technology, Inc. · 1992