H03M 3/458
Analogue/digital converters using delta-sigma modulation as an intermediate step
Official title: {Analogue/digital converters using delta-sigma modulation as an intermediate step}
H03M3/458 (Analogue/digital converters using delta-sigma modulation as an intermediate step) appears on 1,847 US grants and 1,498 published applications in this corpus.
Search patents in H03M- Granted patents
- 1,847
- Published applications
- 1,498
- Assignees
- 550
- Inventors
- 2,539
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 8 | 0 |
| 1991 | 6 | 0 |
| 1992 | 10 | 0 |
| 1993 | 7 | 0 |
| 1994 | 12 | 0 |
| 1995 | 9 | 0 |
| 1996 | 13 | 0 |
| 1997 | 16 | 0 |
| 1998 | 18 | 0 |
| 1999 | 19 | 0 |
| 2000 | 27 | 0 |
| 2001 | 35 | 5 |
| 2002 | 37 | 41 |
| 2003 | 53 | 22 |
| 2004 | 32 | 32 |
| 2005 | 39 | 40 |
| 2006 | 49 | 35 |
| 2007 | 50 | 47 |
| 2008 | 44 | 53 |
| 2009 | 44 | 41 |
| 2010 | 46 | 39 |
| 2011 | 53 | 37 |
| 2012 | 35 | 43 |
| 2013 | 36 | 47 |
| 2014 | 55 | 55 |
| 2015 | 78 | 63 |
| 2016 | 89 | 83 |
| 2017 | 109 | 73 |
| 2018 | 95 | 75 |
| 2019 | 108 | 109 |
| 2020 | 133 | 98 |
| 2021 | 99 | 81 |
| 2022 | 88 | 92 |
| 2023 | 88 | 98 |
| 2024 | 84 | 67 |
| 2025 | 71 | 72 |
| 2026 | 40 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H03M 3/464Details of the digital/analogue conversion in the feedback path478
- H03M 3/494Sampling or signal conditioning arrangements specially adapted for delta-sigma type analogue/digital conversion315
- H03M 3/466Multiplexed conversion systems273
- H03M 3/462Details relating to the decimation process206
- H03M 3/478Means for controlling the correspondence between the range of the input signal200
- H03M 3/46Using a combination of at least one delta-sigma modulator in series with95
- H03M 3/476Non-linear conversion systems54
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