G01R 31/2841
Signal generators
Official title: {Signal generators}
G01R31/2841 (Signal generators) appears on 271 US grants and 254 published applications in this corpus.
Search patents in G01R- Granted patents
- 271
- Published applications
- 254
- Assignees
- 163
- Inventors
- 576
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 2 |
| 2002 | 5 | 5 |
| 2003 | 4 | 6 |
| 2004 | 6 | 8 |
| 2005 | 7 | 12 |
| 2006 | 8 | 6 |
| 2007 | 6 | 6 |
| 2008 | 4 | 5 |
| 2009 | 5 | 12 |
| 2010 | 7 | 9 |
| 2011 | 6 | 6 |
| 2012 | 8 | 11 |
| 2013 | 11 | 13 |
| 2014 | 8 | 6 |
| 2015 | 7 | 10 |
| 2016 | 9 | 4 |
| 2017 | 4 | 10 |
| 2018 | 11 | 9 |
| 2019 | 11 | 12 |
| 2020 | 11 | 12 |
| 2021 | 15 | 20 |
| 2022 | 12 | 7 |
| 2023 | 14 | 14 |
| 2024 | 12 | 21 |
| 2025 | 18 | 17 |
| 2026 | 11 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- Insulation monitoring device and method for controlling insulation monitoring device21 Jul 2026US 12,687,570 B2Ls Electric Co., Ltd.
- Testing method and testing device for electronic circuit16 Jul 2026US 2026/0202465 A1United Microelectronics Corp.
- Dc distributor for a battery test bench28 May 2026US 2026/0147046 A1ZF Friedrichshafen AG
- Safely unlocking dc voltage sources28 May 2026US 2026/0149263 A1ZF Friedrichshafen AG
- Test and measurement instrument with built-in advanced data pattern generator14 May 2026US 2026/0133226 A1Tektronix, Inc.
- Test stand for confronting a test piece with a simulated electrical fault14 May 2026US 2026/0133247 A1dSPACE GmbH
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
- Photoconductive circuit element reflectometer70US 4,896,109 AThe United States of America as represented by the Department of Energy · 1990