G01R 27/30
With provision for recording characteristics
Official title: with provision for recording characteristics, e.g. by plotting Nyquist diagram
G01R27/30 (With provision for recording characteristics) appears on 29 US grants and 13 published applications in this corpus.
Search patents in G01R- Granted patents
- 29
- Published applications
- 13
- Assignees
- 15
- Inventors
- 63
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 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 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 1 |
| 2021 | 3 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 2 |
| 2024 | 2 | 3 |
| 2025 | 3 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Removing test equipment intermodulation interference and noise from power spectral density measurements1 Jul 2025US 12,345,748 B2LitePoint Corporation
- Double-balance electronic test apparatus and measuring inductance, capacitance, and resistance25 Feb 2025US 12,235,303 B2Government of the United States of America, AS Represented By the Secretary of Commerce
- Calibration system and calibration method for a vector network analyzer with a remote vector analyzer frontend7 Jan 2025US 12,188,968 B2Rohde & Schwarz GmbH & Co.KG
- Measurement apparatus, measurement method and computer readable medium6 Aug 2024US 12,055,570 B2Advantest Corporation
- Electronic instrument and signal analysis method16 Jul 2024US 12,038,474 B2Rohde & Schwarz GmbH & Co.KG
- Method of connecting s-parameters, computer program for performing the same, and s-parameters connecting device25 Jun 2026US 2026/0177596 A1Huwin Co., Ltd.
- Removing test equipment intermodulation interference and noise from power spectral density measurements31 Oct 2024US 2024/0361367 A1LitePoint Corporation
- Electronic instrument and signal analysis method25 Jan 2024US 2024/0027524 A1Rohde & Schwarz GmbH & Co.KG
- Calibration system and calibration method for a vector network analyzer with a remote vector analyzer frontend18 Jan 2024US 2024/0019471 A1Rohde & Schwarz GmbH & Co.KG
- Double-balance electronic test apparatus and measuring inductance, capacitance, and resistance2 Nov 2023US 2023/0349961 A1Government of the United States of America, AS Represented By the Secretary of Commerce
Most cited
By later US patents
- Vector network analyzer with integral processor108US 4,816,767 AHewlett-Packard Company · 1989
- Technique of reconstructing and displaying an analog waveform from a small number of magnitude samples21US 4,455,613 AGould Inc. · 1984
- Circuit network measurement device and calibration method15US 5,661,404 AHewlett-Packard Company · 1997
- Vector network analyzer with integral processor14US 4,669,051 AHewlett-Packard Company · 1987
- Automatic communication signal monitoring system13US 4,118,666 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1978