G01R 13/20
Cathode-ray oscilloscopes
G01R13/20 (Cathode-ray oscilloscopes) appears on 817 US grants and 226 published applications in this corpus.
Search patents in G01R- Granted patents
- 817
- Published applications
- 226
- Assignees
- 239
- Inventors
- 1,105
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 24 | 0 |
| 1977 | 23 | 0 |
| 1978 | 32 | 0 |
| 1979 | 21 | 0 |
| 1980 | 21 | 0 |
| 1981 | 20 | 0 |
| 1982 | 18 | 0 |
| 1983 | 13 | 0 |
| 1984 | 13 | 0 |
| 1985 | 37 | 0 |
| 1986 | 21 | 0 |
| 1987 | 29 | 0 |
| 1988 | 31 | 0 |
| 1989 | 44 | 0 |
| 1990 | 31 | 0 |
| 1991 | 22 | 0 |
| 1992 | 20 | 0 |
| 1993 | 19 | 0 |
| 1994 | 13 | 0 |
| 1995 | 13 | 0 |
| 1996 | 23 | 0 |
| 1997 | 13 | 0 |
| 1998 | 19 | 0 |
| 1999 | 17 | 0 |
| 2000 | 21 | 0 |
| 2001 | 39 | 7 |
| 2002 | 21 | 30 |
| 2003 | 22 | 22 |
| 2004 | 26 | 21 |
| 2005 | 16 | 10 |
| 2006 | 9 | 10 |
| 2007 | 13 | 9 |
| 2008 | 3 | 4 |
| 2009 | 4 | 2 |
| 2010 | 6 | 2 |
| 2011 | 5 | 3 |
| 2012 | 2 | 2 |
| 2013 | 3 | 3 |
| 2014 | 3 | 6 |
| 2015 | 4 | 3 |
| 2016 | 2 | 8 |
| 2017 | 7 | 6 |
| 2018 | 5 | 16 |
| 2019 | 7 | 12 |
| 2020 | 13 | 19 |
| 2021 | 18 | 8 |
| 2022 | 11 | 6 |
| 2023 | 7 | 6 |
| 2024 | 8 | 4 |
| 2025 | 3 | 7 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Signal sampling and reconstruction below the nyquist rate24 Mar 2026US 12,587,353 B2Western Carolina University
- Measurement application device, postprocessing device, method and non-transitory computer-readable medium3 Feb 2026US 12,540,953 B2Rohde & Schwarz GmbH & Co.KG
- Semi-automated oscilloscope noise compensation based on power spectral density characterization12 Aug 2025US 12,385,949 B2Tektronix, Inc.
- Method of CTLE estimation using channel step-response for transmitter link equalization test24 Jun 2025US 12,339,298 B2Tektronix, Inc.
- Termination trigger pick-off for remote head sampler13 May 2025US 12,298,329 B2Tektronix, Inc.
- Ai embedding vector data base calibration architecture4 Dec 2025US 2025/0370039 A1
- Test and/or measurement instrument, test system and method of measuring a radio frequency signal4 Sep 2025US 2025/0277819 A1
- Apply oscilloscope noise compensation to acquired waveform28 Aug 2025US 2025/0271468 A1Tektronix, Inc.
- Entropy based software clock recovery for real-equivalent-time oscilloscopes28 Aug 2025US 2025/0271500 A1Tektronix, Inc.
- System and method for improved signal triggering in spectrum analyzers31 Jul 2025US 2025/0244363 A1Keysight Technologies, Inc.
Most cited
By later US patents
- Touch controlled zoom of waveform displays233US 4,755,811 ATektronix, Inc. · 1988
- Status driven menu system229US 4,823,283 ATektronix, Inc. · 1989
- Method and apparatus for selecting and displaying a high resolution window from a main display204US 4,975,636 AHewlett-Packard Company · 1990
- Method and apparatus for adjustment of acquisition parameters in a data acquisition system such as a digital oscilloscope203US 5,375,067 ANicolet Instrument Corporation · 1994
- Variable color display system185US 6,018,237 ATexas Digital Systems, Inc. · 2000