G04F 10/04
Apparatus for measuring unknown time intervals by electric means: by counting pulses
Official title: by counting pulses or half-cycles of an AC {(G04F10/005 takes precedence)}
G04F10/04 (Apparatus for measuring unknown time intervals by electric means: by counting pulses) appears on 193 US grants and 57 published applications in this corpus.
Search patents in G04F- Granted patents
- 193
- Published applications
- 57
- Assignees
- 126
- Inventors
- 322
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 14 | 0 |
| 1978 | 8 | 0 |
| 1979 | 8 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 7 | 1 |
| 2003 | 3 | 4 |
| 2004 | 0 | 1 |
| 2005 | 2 | 5 |
| 2006 | 2 | 4 |
| 2007 | 3 | 4 |
| 2008 | 4 | 4 |
| 2009 | 1 | 1 |
| 2010 | 4 | 2 |
| 2011 | 2 | 2 |
| 2012 | 3 | 1 |
| 2013 | 2 | 6 |
| 2014 | 1 | 1 |
| 2015 | 3 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 3 | 2 |
| 2019 | 2 | 2 |
| 2020 | 1 | 4 |
| 2021 | 5 | 2 |
| 2022 | 3 | 3 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for accurate measurement of time intervals14 Jul 2026US 12,681,440 B2
- Extracting the resistor-capacitor time constant of an electronic circuit line18 Feb 2025US 12,230,123 B2Micron Technology, Inc.
- Circuit and method to enhance efficiency of semiconductor device10 Sep 2024US 12,088,307 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Circuit and method to enhance efficiency of semiconductor device17 Oct 2023US 11,791,814 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Sensing system and sensor device19 Jul 2022US 11,393,328 B2Sony Semiconductor Solutions Corporation
- Time measuring device, distance measuring device, and optical sensor device29 Aug 2024US 2024/0288832 A1Sharp Semiconductor Innovation Corporation
- Circuit and method to enhance efficiency of semiconductor device21 Dec 2023US 2023/0412162 A1Taiwan Semiconductor Manufacturing Company.Ltd
- A device for accurate measurement of time intervals12 Jan 2023US 2023/0012142 A1TROJÁNEK, ING., Pavel
- Light receiving device, method of evaluating the same, and method of driving the same12 May 2022US 2022/0146647 A1Sony Semiconductor Solutions Corporation
- Circuit and method to enhance efficiency of semiconductor device12 May 2022US 2022/0149830 A1Taiwan Semiconductor Manufacturing Company.Ltd
Most cited
By later US patents
- Relative time clock82US 4,738,268 ATokos Medical Corporation · 1988
- Display apparatus for automotive vehicles60US 4,031,363 AGeneral Time Corporation · 1977
- Dual timing event stopwatch59US 4,505,595 A1985
- Pulse phase difference encoding circuit59US 5,128,624 ANippon Soken, Inc. · 1992
- Apparatus for measuring pulse signal delay interval58US 4,620,788 AWild Heerbrugg Aktiengesellschaft · 1986