H04B 10/50577
To control the phase of the modulating signal
Official title: {to control the phase of the modulating signal}
H04B10/50577 (To control the phase of the modulating signal) appears on 121 US grants and 122 published applications in this corpus.
Search patents in H04B- Granted patents
- 121
- Published applications
- 122
- Assignees
- 83
- Inventors
- 270
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 5 |
| 2003 | 3 | 9 |
| 2004 | 3 | 8 |
| 2005 | 4 | 10 |
| 2006 | 8 | 9 |
| 2007 | 6 | 9 |
| 2008 | 11 | 4 |
| 2009 | 7 | 5 |
| 2010 | 6 | 4 |
| 2011 | 6 | 2 |
| 2012 | 4 | 8 |
| 2013 | 5 | 5 |
| 2014 | 4 | 2 |
| 2015 | 8 | 3 |
| 2016 | 3 | 7 |
| 2017 | 4 | 4 |
| 2018 | 5 | 8 |
| 2019 | 7 | 2 |
| 2020 | 4 | 3 |
| 2021 | 3 | 4 |
| 2022 | 3 | 2 |
| 2023 | 4 | 2 |
| 2024 | 1 | 2 |
| 2025 | 1 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Calibration method for phase modulator, calibration method for balanced photodetector, and calibration system for phase modulator10 Oct 2024US 2024/0337868 A1National Institute of Information and Communications Technology
Most cited
By later US patents
- RF processing system and method153US 10,630,391 B1MagiQ Technologies, Inc. · 2020
- Chirped-pulse multiple wavelength telecommunications system147US 5,631,758 ALucent Technologies Inc. · 1997
- Method for optical carrier suppression and quadrature control99US 7,266,306 B1Nortel Networks Limited · 2007
- Acceleration-insensitive opto-electronic oscillators95US 6,594,061 B2California Institute of Technology · 2003
- Apparatus and method for linearizing an external optical modulator91US 5,321,543 AGeneral Instrument Corporation · 1994