G01R 29/06
Measuring depth of modulation
G01R29/06 (Measuring depth of modulation) appears on 34 US grants and 9 published applications in this corpus.
Search patents in G01R- Granted patents
- 34
- Published applications
- 9
- Assignees
- 30
- Inventors
- 78
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
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| 1990 | 3 | 0 |
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| 1993 | 2 | 0 |
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| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 2 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 2 |
| 2024 | 0 | 1 |
| 2025 | 3 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Quantum modulation classifier system and method6 Jan 2026US 12,518,192 B2Qoherent Inc.
- System and method for measuring modulation distortion error vector magnitude (EVM) of a device under test (DUT)29 Jul 2025US 12,372,561 B2Keysight Technologies, Inc.
- Ripple detection device and ripple suppression device11 Feb 2025US 12,222,378 B2Zte Corporation
- Signal processing system and signal processing method14 Jan 2025US 12,196,791 B2Hitachi, Ltd.
- Fast convergence method for cross-correlation based modulation quality measurements24 Oct 2023US 11,796,621 B2National Instruments Corporation
- Monitoring solutions for electrical systems18 Jun 2026US 2026/0169071 A1
- System and method for measuring modulation distortion error vector magnitude (evm) of a device under test (dut)27 Feb 2025US 2025/0067782 A1Keysight Technologies, Inc.
- Quantum Modulation Classifier System and Method26 Dec 2024US 2024/0428113 A1Qoherent Inc.
- Signal processing system and signal processing method14 Dec 2023US 2023/0400486 A1Hitachi, Ltd.
- Ripple detection device and ripple suppression device31 Aug 2023US 2023/0273247 A1Zte Corporation
Most cited
By later US patents
- Device for measuring various characteristics of a radio frequency signal216US 5,230,087 ABelar Electronics Laboratory, Inc. · 1993
- Method and apparatus for noise floor estimation114US 7,340,375 B1Her Majesty the Queen in right of Canada, as represented by the Minister of Industry through the Communications Research Centre · 2008
- Method and system for detecting and classifying the modulation of unknown analog and digital telecommunications signals110US 7,428,270 B12008
- Method and apparatus for measuring modulation accuracy51US 5,187,719 AHewlett-Packard Company · 1993
- Device for the measurement of intermodulation products of a receiver system25US 4,918,684 ACentre National D'Etudes Spatiales · 1990