G01R 23/12
By converting frequency into phase shift
Official title: by converting frequency into phase shift
G01R23/12 (By converting frequency into phase shift) appears on 42 US grants and 44 published applications in this corpus.
Search patents in G01R- Granted patents
- 42
- Published applications
- 44
- Assignees
- 39
- Inventors
- 88
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 3 | 2 |
| 2008 | 1 | 1 |
| 2009 | 2 | 3 |
| 2010 | 3 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 4 |
| 2014 | 3 | 0 |
| 2015 | 0 | 4 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 5 |
| 2019 | 2 | 2 |
| 2020 | 2 | 0 |
| 2021 | 2 | 2 |
| 2022 | 0 | 5 |
| 2023 | 2 | 2 |
| 2024 | 3 | 2 |
| 2025 | 2 | 3 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Measurement application device30 Jun 2026US 12,669,526 B2Rohde & Schwarz GmbH & Co.KG
- Sample inspection apparatus10 Feb 2026US 12,546,805 B2Hitachi High-Tech Corporation
- Inductive conductivity sensor circuit, inductive conductivity sensor and method of operating the circuit16 Dec 2025US 12,498,439 B2Endress+Hauser Conducta GmbH+Co. KG
- Apparatus and method for phase tracking an oscillatory signal17 Jun 2025US 12,329,532 B2Oxford University Innovation Limited
- System frequency detector14 May 2024US 11,982,696 B2Toshiba Mitsubishi-Electric Industrial Systems Corporation
- Apparatus and method for controlling phase of measurement waveform of mu18 Dec 2025US 2025/0383381 A1Hyosung Heavy Industries Corporation
- Control device, electric apparatus, and control method of electric apparatus2 Oct 2025US 2025/0309634 A1Kabushiki Kaisha Toshiba
- Measurement application device3 Jul 2025US 2025/0216427 A1Rohde & Schwarz GmbH & Co.KG
- Sample Inspection Apparatus1 Aug 2024US 2024/0255556 A1Hitachi High-Tech Corporation
- Frequency estimation in a power system18 Jan 2024US 2024/0019467 A1Amirkabir University of Technology
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- Communicating with an implanted wireless sensor107US 7,498,799 B2CardioMEMS, Inc. · 2009
- Communicating with an implanted wireless sensor106US 7,839,153 B2CardioMEMS, Inc. · 2010