G01R 29/26
Measuring noise figure
Official title: Measuring noise figure; Measuring signal-to-noise ratio
G01R29/26 (Measuring noise figure) appears on 669 US grants and 602 published applications in this corpus.
Search patents in G01R- Granted patents
- 669
- Published applications
- 602
- Assignees
- 347
- Inventors
- 1,333
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 9 | 0 |
| 1988 | 5 | 0 |
| 1989 | 10 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 9 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 6 |
| 2002 | 12 | 8 |
| 2003 | 9 | 12 |
| 2004 | 16 | 16 |
| 2005 | 10 | 26 |
| 2006 | 17 | 22 |
| 2007 | 15 | 17 |
| 2008 | 14 | 29 |
| 2009 | 14 | 19 |
| 2010 | 20 | 26 |
| 2011 | 23 | 11 |
| 2012 | 19 | 28 |
| 2013 | 24 | 31 |
| 2014 | 22 | 22 |
| 2015 | 19 | 38 |
| 2016 | 35 | 26 |
| 2017 | 27 | 19 |
| 2018 | 20 | 21 |
| 2019 | 31 | 28 |
| 2020 | 40 | 33 |
| 2021 | 29 | 28 |
| 2022 | 28 | 23 |
| 2023 | 29 | 33 |
| 2024 | 24 | 34 |
| 2025 | 31 | 30 |
| 2026 | 20 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Self-test procedure for a control device22 Sep 2026US 12,745,334 B2Lutron Technology Company LLC
- Sub-sampled based instrument noise correction for jitter measurements8 Sep 2026US 12,730,146 B2Skyworks Solutions, Inc.
- Method for measuring noise RMS of periodic signal and signal-to-noise ratio of sinusoidal signal8 Sep 2026US 12,732,290 B2Nanjing University of Posts and Telecommunications
- Test and/or measurement instrument and test and/or measurement system1 Sep 2026US 12,724,055 B2Rohde & Schwarz GmbH & Co.KG
- Test and/or measurement system and method1 Sep 2026US 12,724,056 B2Rohde & Schwarz GmbH & Co.KG
- Jitter measurement circuit and method of measuring jitter performed by the same13 Aug 2026US 2026/0235654 A1Seoul National University R&Db Foundation
- Signal processing method, signal processing device, and radiation detection apparatus23 Jul 2026US 2026/0211131 A1Horiba, Ltd.
- On-die voltage noise monitor for supply noise detection utilizing controllable resistors for threshold level programming4 Jun 2026US 2026/0153550 A1NVIDIA Corporation
- Discharge detection unit4 Jun 2026US 2026/0153552 A1Nitto Kogyo Co., Ltd.
- Test and/or measurement system30 Apr 2026US 2026/0118397 A1Rohde & Schwarz GmbH & Co.KG
Most cited
By later US patents
- Signal detector employing mean energy and variance of energy content comparison for noise detection178US 5,323,337 ALoral Aerospace Corp. · 1994
- Detection of computerized bots and automated cyber-attack modules170US 10,069,852 B2Biocatch Ltd. · 2018
- Phase noise measurements utilizing a frequency down conversion/multiplier, direct spectrum measurement technique169US 5,337,014 AAdvanced Testing Technologies, Inc. · 1994
- One-transistor pixel array166US 8,217,433 B1Life Technologies Corporation · 2012
- Method and apparatus for measuring electrical noise in devices146US 5,970,429 ALucent Technologies Inc. · 1999