H03M 3/464
Details of the digital/analogue conversion in the feedback path
Official title: {Details of the digital/analogue conversion in the feedback path}
H03M3/464 (Details of the digital/analogue conversion in the feedback path) appears on 478 US grants and 408 published applications in this corpus.
Search patents in H03M- Granted patents
- 478
- Published applications
- 408
- Assignees
- 188
- Inventors
- 804
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 8 | 1 |
| 2002 | 9 | 8 |
| 2003 | 14 | 7 |
| 2004 | 9 | 7 |
| 2005 | 7 | 14 |
| 2006 | 12 | 3 |
| 2007 | 12 | 16 |
| 2008 | 12 | 13 |
| 2009 | 11 | 9 |
| 2010 | 11 | 9 |
| 2011 | 14 | 8 |
| 2012 | 7 | 7 |
| 2013 | 8 | 7 |
| 2014 | 5 | 11 |
| 2015 | 18 | 14 |
| 2016 | 29 | 32 |
| 2017 | 34 | 16 |
| 2018 | 24 | 23 |
| 2019 | 35 | 41 |
| 2020 | 38 | 34 |
| 2021 | 39 | 28 |
| 2022 | 29 | 18 |
| 2023 | 15 | 30 |
| 2024 | 26 | 19 |
| 2025 | 20 | 16 |
| 2026 | 11 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Continuous-time ΔΣ analog-to-digital converter with duty-cycle-controlled input path19 May 2026US 12,633,940 B2QUALCOMM Incorporated
- Multi-rate sigma-delta adc8 Oct 2026US 2026/0312601 A1Semtech Corporation
- A/d converter13 Aug 2026US 2026/0238222 A1Sony Semiconductor Solutions Corporation
- Flat spot suppression in sigma delta converters13 Aug 2026US 2026/0238223 A1Cypress Semiconductor Corporation
- Integrator and sigma-delta analog-to-digital converter13 Aug 2026US 2026/0238224 A1Realtek Semiconductor Corp.
- Electronic conversion architecture comprising a continuous time sigma delta analog to digital converter and a calibration method thereof6 Aug 2026US 2026/0230088 A1STMicroelectronics International N. V.
Most cited
By later US patents
- Spectral shaping of circuit errors in digital-to-analog converters110US 5,684,482 A1997
- Multi-bit oversampled DAC with dynamic element matching103US 5,406,283 AUniversity of Waterloo · 1995
- Digital to analog converter for sigma delta modulator77US 5,305,004 ATexas Instruments Incorporated · 1994
- Signal processing system with analog-to-digital converter using delta-sigma modulation having an internal stabilizer loop74US 7,183,957 B1Cirrus Logic, Inc. · 2007
- Multibit sigma-delta converters employing dynamic element matching with reduced baseband tones67US 6,304,608 B1Silicon Integrated Systems Corp. · 2001