G01R 19/257
Using analogue/digital converters of the type with comparison of different reference values
Official title: using analogue/digital converters of the type with comparison of different reference values with the value of voltage or current, e.g. using step-by-step method
G01R19/257 (Using analogue/digital converters of the type with comparison of different reference values) appears on 102 US grants and 105 published applications in this corpus.
Search patents in G01R- Granted patents
- 102
- Published applications
- 105
- Assignees
- 100
- Inventors
- 241
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
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| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
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| 1986 | 2 | 0 |
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| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 2 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 2 |
| 2012 | 2 | 2 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 3 | 2 |
| 2016 | 1 | 7 |
| 2017 | 5 | 4 |
| 2018 | 4 | 10 |
| 2019 | 7 | 11 |
| 2020 | 9 | 12 |
| 2021 | 12 | 7 |
| 2022 | 10 | 10 |
| 2023 | 7 | 7 |
| 2024 | 8 | 12 |
| 2025 | 8 | 6 |
| 2026 | 8 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Method and apparatus for digitally measuring alternating current30US 4,625,283 ACooper Industries, Inc. · 1986
- Power supply apparatus for detecting battery voltage and the portions of faults25US 7,071,698 B2SANY Electric Co., Ltd. · 2006
- Wide dynamic range current measuring apparatus20US 4,876,502 AWestinghouse Electric Corp. · 1989
- Test instrument for the display of electric voltages19US 5,293,113 ACh. Beha BmbH · 1994
- Electric power measuring system16US 4,980,634 AAnalog Devices, Inc. · 1990