G01R 19/16557
Logic probes, i.e. circuits indicating logic state
Official title: {Logic probes, i.e. circuits indicating logic state (high, low, O); (modifications of electronic switches or gates for indicating state of switch H03K17/18)}
G01R19/16557 (Logic probes, i.e. circuits indicating logic state) appears on 79 US grants and 40 published applications in this corpus.
Search patents in G01R- Granted patents
- 79
- Published applications
- 40
- Assignees
- 63
- Inventors
- 152
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 3 |
| 2007 | 3 | 4 |
| 2008 | 2 | 2 |
| 2009 | 1 | 1 |
| 2010 | 3 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 3 |
| 2017 | 2 | 3 |
| 2018 | 1 | 1 |
| 2019 | 4 | 5 |
| 2020 | 3 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 3 |
| 2023 | 4 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Voltage detection circuit, display driver, and display device6 Oct 2026US 12,754,219 B2Rohm Co., Ltd.
- Voltage detection apparatus and method for determining whether high voltage at input terminal exceeds preset value6 Jan 2026US 12,517,157 B2Hefei Institutes of Physical Sciences, Chinese Academy of Sciences
- Fault detection method and system therefor26 Aug 2025US 12,399,231 B2Hamilton Sundstrand Corporation
- Method and system for diagnosing open-circuit fault of power switching device of three-phase three-level rectifier16 Jan 2024US 11,874,336 B2Wuhan University
- Detection circuit for an active discharge circuit of an X-capacitor, related active discharge circuit, integrated circuit and method5 Sep 2023US 11,750,010 B2STMicroelectronics S,r.l.
- Contactor Detection Circuit4 Jun 2026US 2026/0153539 A1Tyco Electronics (Shanghai) Co., Ltd.
- Power detection circuit, radio frequency integrated circuit, and wireless communication device5 Mar 2026US 2026/0063685 A1Fujikura Ltd.
- Voltage detection circuit, display driver, and display device1 Jan 2026US 2026/0002966 A1Rohm Co., Ltd.
- Communication circuits with reduced kickback noise of eye opening monitor30 Oct 2025US 2025/0334634 A1Ramschip, Inc.
- Circuit and method for battery detection25 Sep 2025US 2025/0298061 A1Nuvoton Technology Corporation
Most cited
By later US patents
- Plug connector coding system for electric cables160US 4,968,929 AHeidelberger Druckmaschinen AG · 1990
- Test apparatus for electronic assemblies employing a microprocessor93US 4,455,654 AJohn Fluke Mfg. Co., Inc. · 1984
- Circuit for detecting high voltage level in MOS technology30US 5,097,146 ASGS-Thomson Microelectronics S.A. · 1992
- Logic signal extraction28US 5,854,996 ATektronix, Inc. · 1998
- High speed circuit testing apparatus having plural test conditions24US 4,862,071 AAdvantest Corporation · 1989