G01R 23/17
With optical or acoustical auxiliary devices
Official title: with optical {or acoustical} auxiliary devices
G01R23/17 (With optical or acoustical auxiliary devices) appears on 110 US grants and 41 published applications in this corpus.
Search patents in G01R- Granted patents
- 110
- Published applications
- 41
- Assignees
- 79
- Inventors
- 243
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 11 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 3 |
| 2015 | 0 | 4 |
| 2016 | 2 | 0 |
| 2017 | 5 | 1 |
| 2018 | 0 | 7 |
| 2019 | 3 | 2 |
| 2020 | 5 | 3 |
| 2021 | 5 | 6 |
| 2022 | 2 | 1 |
| 2023 | 3 | 1 |
| 2024 | 1 | 5 |
| 2025 | 3 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electromagnetically induced grating-based electric field detection system and method18 Aug 2026US 12,710,460 B2Korea Research Institute of Standards and Science
- Testing apparatus, testing method, and computer-readable storage medium12 May 2026US 12,625,176 B2Advantest Corporation
- Device for analyzing radiofrequency signal spectra2 Dec 2025US 12,487,260 B2Université Paris Cité
- Sensor system and method for analyzing a spectrum of an EM signal16 Sep 2025US 12,416,656 B2Rohde & Schwarz GmbH & Co.KG
- Method for manufacturing a device comprising a diamond crystal4 Mar 2025US 12,241,177 B2Thales
- Sensor system and method for analyzing a spectrum of an em signal6 Feb 2025US 2025/0044333 A1Rohde & Schwarz GmbH & Co.KG
- Method for manufacturing a device comprising a diamond crystal21 Nov 2024US 2024/0384434 A1Centre National De La Recherche Scientifique
- Electromagnetically induced grating-based electric field detection system and method24 Oct 2024US 2024/0353459 A1Korea Research Institute of Standards and Science
- Device for analyzing radiofrequency signal spectra18 Jul 2024US 2024/0241159 A1Université Paris Cité
- Object or surface noise-level detection using radars and/or lidars13 Jun 2024US 2024/0192367 A1General Noise Ltd
Most cited
By later US patents
- Multi-channel filter system45US 5,005,946 AGrumman Aerospace Corporation · 1991
- Phase sensitive spectrum analyzer36US 4,297,704 AHughes Aircraft Company · 1981
- RF frequency spectrum analyzer subsystem34US 4,695,790 AGeneral Dynamics Corporation, Electronics Division · 1987
- Optical RF downconverter33US 4,468,766 AThe United States of America as represented by the Secretary of the Navy · 1984
- Signal analysis receiver with acousto-optic delay lines31US 4,644,267 AThe United States of America as represented by the Secretary of the Air Force · 1987