H03M 3/424
The quantiser being a multiple bit one
Official title: {the quantiser being a multiple bit one}
H03M3/424 (The quantiser being a multiple bit one) appears on 530 US grants and 414 published applications in this corpus.
Search patents in H03M- Granted patents
- 530
- Published applications
- 414
- Assignees
- 215
- Inventors
- 822
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 12 | 2 |
| 2002 | 19 | 7 |
| 2003 | 15 | 9 |
| 2004 | 13 | 13 |
| 2005 | 20 | 15 |
| 2006 | 14 | 17 |
| 2007 | 25 | 29 |
| 2008 | 24 | 21 |
| 2009 | 25 | 13 |
| 2010 | 17 | 15 |
| 2011 | 17 | 14 |
| 2012 | 9 | 17 |
| 2013 | 12 | 8 |
| 2014 | 14 | 14 |
| 2015 | 25 | 14 |
| 2016 | 19 | 15 |
| 2017 | 24 | 19 |
| 2018 | 25 | 13 |
| 2019 | 21 | 34 |
| 2020 | 37 | 25 |
| 2021 | 28 | 18 |
| 2022 | 22 | 14 |
| 2023 | 13 | 26 |
| 2024 | 24 | 19 |
| 2025 | 15 | 12 |
| 2026 | 7 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Delta-sigma modulators with downsampled digital integrators25 Aug 2026US 12,719,495 B2NXP B. V.
- Apparatus for generating a digital signal dependent on a current slope4 Aug 2026US 12,700,789 B2Renesas Design (UK) Limited
- Measurement system with correction for temperature-based converter feedback error2 Jun 2026US 12,647,124 B2Cirrus Logic, Inc.
- Signal amplifying circuit and signal processing system and analog-to-digital converting system comprising the same14 Apr 2026US 12,603,618 B2Realtek Semiconductor Corp.
- Analog-to-digital converter (ADC) architectures for high resolution and energy efficiency10 Mar 2026US 12,574,042 B2Arizona Board of Regents on behalf of Arizona State University
- Adc with noise-shaping sar and digitization of quantization error13 Aug 2026US 2026/0238216 A1
- Analog-to-digital converter (adc) architectures for high resolution and energy efficiency18 Jun 2026US 2026/0172045 A1Arizona Board of Regents on behalf of Arizona State University
- Low power filtering of pulse density modulated data using a digital filter with gray encoding/decoding18 Jun 2026US 2026/0172046 A1STMicroelectronics International N. V.
- Delta-sigma modulators with downsampled digital integrators14 May 2026US 2026/0135569 A1NXP B. V.
- Micro-power continuous-time delta-sigma analog-to-digital converter for audio applications2 Apr 2026US 2026/0095193 A1Silicon Laboratories Inc.
Most cited
By later US patents
- Method and apparatus for multiplexed oversampled analog to digital modulation228US 5,248,971 A1993
- Method and arrangement for a sigma delta converter for bandpass signals146US 4,857,928 AMotorola, Inc. · 1989
- Sigma-delta analog-to-digital converter with filtration having controlled pole-zero locations, and apparatus therefor113US 5,392,042 AMartin Marietta Corporation · 1995
- Low-delay signal processing based on highly oversampled digital processing100US 7,365,669 B1Cirrus Logic, Inc. · 2008
- Delta-sigma A/D converter85US 6,271,782 B12001