G01R 31/2839
Using signal generators, power supplies or circuit analysers
Official title: {using signal generators, power supplies or circuit analysers (G01R31/2879 takes precedence; multimeters G01R15/12, network analysers G01R27/28)}
G01R31/2839 (Using signal generators, power supplies or circuit analysers) appears on 450 US grants and 447 published applications in this corpus.
Search patents in G01R- Granted patents
- 450
- Published applications
- 447
- Assignees
- 247
- Inventors
- 1,009
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 10 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 2 |
| 2002 | 11 | 6 |
| 2003 | 6 | 11 |
| 2004 | 9 | 9 |
| 2005 | 8 | 14 |
| 2006 | 10 | 10 |
| 2007 | 10 | 13 |
| 2008 | 10 | 15 |
| 2009 | 9 | 19 |
| 2010 | 16 | 17 |
| 2011 | 10 | 17 |
| 2012 | 15 | 27 |
| 2013 | 24 | 16 |
| 2014 | 14 | 15 |
| 2015 | 12 | 15 |
| 2016 | 19 | 10 |
| 2017 | 12 | 14 |
| 2018 | 14 | 14 |
| 2019 | 17 | 14 |
| 2020 | 14 | 22 |
| 2021 | 20 | 31 |
| 2022 | 25 | 19 |
| 2023 | 22 | 26 |
| 2024 | 27 | 39 |
| 2025 | 31 | 28 |
| 2026 | 17 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Testing apparatus for high-rate transmission and reception of signals between device under test and semiconductor testing apparatus29 Sep 2026US 12,748,144 B2Advantest Corporation
- Systems and methods for measuring waveforms at devices under test25 Aug 2026US 12,716,937 B2Keysight Technologies, Inc.
- Signal generator circuit for a quantum computer control device11 Aug 2026US 12,704,870 B2Rohde & Schwarz GmbH & Co.KG
- Erroneous wiring inspection device28 Jul 2026US 12,693,330 B2Soyo Denshi Co., Ltd.
- Test arrangement and method for emulating the phase currents of an electric motor for testing a power electronics controller28 Jul 2026US 12,693,331 B2dSPACE GmbH
- Electrical safety analyzer with multimodal guidance1 Oct 2026US 2026/0299009 A1Fluke Corporation
- Audio bus line fault protection circuitry10 Sep 2026US 2026/0266895 A1Analog Devices International Unlimited Company
- Grid relay fault detection6 Aug 2026US 2026/0227443 A1Lunar Energy, Inc.
- Power load management system16 Jul 2026US 2026/0202463 A1JLB Companies
- Use of electromagnetic signature to determine the type of integrated circuit16 Jul 2026US 2026/0202464 A1Ohio State Innovation Foundation
Most cited
By later US patents
- Systems and methods for implementing S/SSTDR measurements138US 9,244,117 B2LiveWire Innovation, Inc. · 2016
- Systems and methods for implementing S/SSTDR measurements133US 9,476,932 B2University of Utah Foundation · 2016
- Programmable capacitance delay element having inverters controlled by adjustable voltage to offset temperature and voltage supply variations108US 5,283,631 AHewlett-Packard Company · 1994
- GPS synchronized frequency/time source108US 5,440,313 AStellar GPS Corporation · 1995
- Coherent switching power for an analog circuit tester108US 5,883,523 ACredence Systems Corporation · 1999