H03M 7/3033
The modulator having a higher order loop filter in the feedforward path
Official title: {the modulator having a higher order loop filter in the feedforward path, e.g. with distributed feedforward inputs}
H03M7/3033 (The modulator having a higher order loop filter in the feedforward path) appears on 174 US grants and 100 published applications in this corpus.
Search patents in H03M- Granted patents
- 174
- Published applications
- 100
- Assignees
- 96
- Inventors
- 243
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 1 |
| 2002 | 3 | 4 |
| 2003 | 7 | 4 |
| 2004 | 12 | 17 |
| 2005 | 10 | 14 |
| 2006 | 15 | 8 |
| 2007 | 18 | 10 |
| 2008 | 11 | 3 |
| 2009 | 6 | 2 |
| 2010 | 3 | 5 |
| 2011 | 7 | 6 |
| 2012 | 3 | 1 |
| 2013 | 4 | 4 |
| 2014 | 4 | 0 |
| 2015 | 3 | 3 |
| 2016 | 4 | 3 |
| 2017 | 4 | 4 |
| 2018 | 3 | 1 |
| 2019 | 5 | 5 |
| 2020 | 5 | 1 |
| 2021 | 1 | 1 |
| 2022 | 3 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Delta-sigma modulator with anti-windup circuit9 Dec 2025US 12,494,798 B2Politecnico Di Torino
- Digital pulse-width modulation (PWM) modulator with dynamically switchable code set for reduced total harmonic distortion and noise (THDN)15 Nov 2022US 11,502,671 B2Cirrus Logic, Inc.
- System and method for selecting a lossless compression algorithm for a data object based on performance objectives and performance metrics of a set of compression algorithms19 Jul 2022US 11,394,397 B2EMC IP Holding Company LLC
- SDM encoder and related signal processing system12 Apr 2022US 11,303,295 B1xMEMS Labs, Inc.
- Second-order ΔΣ modulator, radio, and signal processing method performed by second-order ΔΣ modulator30 Nov 2021US 11,190,204 B2NEC Corporation
- Delta-sigma modulator with anti-windup circuit3 Oct 2024US 2024/0333302 A1Politecnico Di Torino
- Digital pulse-width modulation (pwm) modulator with dynamically switchable code set for reduced total harmonic distortion and noise (thdn)4 Aug 2022US 2022/0247389 A1Cirrus Logic International Semiconductor Ltd.
- System and method for selecting a lossless compression algorithm for a data object based on performance objectives and performance metrics of a set of compression algorithms28 Apr 2022US 2022/0131556 A1EMC IP Holding Company LLC
- Second-order delta-sigma modulator, radio, and signal processing method performed by second-order delta-sigma modulator15 Jul 2021US 2021/0218413 A1NEC Corporation
- Capacitive mems microphone with built-in self-test13 Feb 2020US 2020/0053496 A1Chaoyang Semiconductor Jiangyin Technology Co., Ltd.
Most cited
By later US patents
- Digital data converter166US 5,155,743 ANuance DesignWorks, Inc. · 1992
- Low-delay signal processing based on highly oversampled digital processing100US 7,365,669 B1Cirrus Logic, Inc. · 2008
- Delta sigma pwm dac to reduce switching74US 5,815,102 AAudioLogic, Inc. · 1998
- Sigma delta modulator66US 5,311,181 AAnalog Devices, Inc. · 1994
- Variable-order delta sigma modulator and DA converter62US 7,129,873 B2Rohm Co., Ltd. · 2006