G01R 23/10
By converting frequency into a train of pulses, which are then counted
Official title: by converting frequency into a train of pulses, which are then counted {, i.e. converting the signal into a square wave}
G01R23/10 (By converting frequency into a train of pulses, which are then counted) appears on 184 US grants and 102 published applications in this corpus.
Search patents in G01R- Granted patents
- 184
- Published applications
- 102
- Assignees
- 137
- Inventors
- 339
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 6 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
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| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 1 |
| 2003 | 3 | 3 |
| 2004 | 2 | 3 |
| 2005 | 2 | 1 |
| 2006 | 5 | 6 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 5 | 5 |
| 2011 | 2 | 2 |
| 2012 | 1 | 2 |
| 2013 | 5 | 9 |
| 2014 | 4 | 3 |
| 2015 | 6 | 4 |
| 2016 | 4 | 6 |
| 2017 | 3 | 5 |
| 2018 | 5 | 6 |
| 2019 | 6 | 3 |
| 2020 | 4 | 4 |
| 2021 | 7 | 9 |
| 2022 | 5 | 5 |
| 2023 | 4 | 4 |
| 2024 | 5 | 7 |
| 2025 | 6 | 6 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- JTAG-based apparatus and method for input clock frequency measurement10 Mar 2026US 12,571,842 B2Xilinx, Inc.
- Apparatus and method for clock frequency estimation with delayed measurements18 Nov 2025US 12,474,385 B2Microchip Technology Incorporated
- Semiconductor aging monitoring1 Oct 2026US 2026/0299014 A1Intel Corporation
- Jtag-based apparatus and method for input clock frequency measurement5 Feb 2026US 2026/0036624 A1Xilinx, Inc.
- Method and measurement application device30 Oct 2025US 2025/0334622 A1Rohde & Schwarz GmbH & Co.KG
- Frequency Monitoring Circuitry with Voltage Conversion16 Oct 2025US 2025/0321254 A1Apple Inc.
- Apparatus and Method for Clock Frequency Estimation With Least Squares Method5 Jun 2025US 2025/0180614 A1Microchip Technology Incorporated
Most cited
By later US patents
- Digitally controlled circuit interrupter with improved automatic selection of sampling interval for 50 Hz and 60 Hz power systems89US 5,559,719 AEaton Corporation · 1996
- Method and apparatus for performing frequency detection82US 5,511,100 AMotorola, Inc. · 1996
- Pulsimeter57US 4,120,296 AHeuer-Leonidas S.A. · 1978
- Speed measurement system with means for calculating the exact time period of a known quantity of speed pulses35US 4,434,470 AThe Bendix Corporation · 1984
- Frequency counting apparatus and method33US 4,786,861 ASundstrand Data Control, Inc. · 1988