H03M 3/442
By restricting the swing within the loop
Official title: {by restricting the swing within the loop, e.g. gain scaling}
H03M3/442 (By restricting the swing within the loop) appears on 36 US grants and 24 published applications in this corpus.
Search patents in H03M- Granted patents
- 36
- Published applications
- 24
- Assignees
- 35
- Inventors
- 70
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 2 | 3 |
| 2006 | 1 | 0 |
| 2007 | 0 | 4 |
| 2008 | 4 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 3 |
| 2020 | 5 | 2 |
| 2021 | 1 | 3 |
| 2022 | 3 | 2 |
| 2023 | 2 | 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 filter18 Jul 2023US 11,706,062 B1Dialog Semiconductor GmbH
- System and method to enhance noise performance in a delta sigma converter23 May 2023US 11,658,678 B2Analog Devices, Inc.
- System and method to enhance noise performance in a delta sigma converter22 Nov 2022US 11,509,327 B2Analog Devices, Inc.
- PWM modulator having quantizer calibratable for multi-non-ideal gain-affecting characteristics5 Apr 2022US 11,296,685 B2Cirrus Logic, Inc.
- Delta-sigma modulator with anti-windup circuit3 Oct 2024US 2024/0333302 A1Politecnico Di Torino
- System and method to enhance noise performance in a delta sigma converter10 Feb 2022US 2022/0045692 A1Analog Devices, Inc.
- System and method to enhance noise performance in a delta sigma converter10 Feb 2022US 2022/0045694 A1Analog Devices, Inc.
- Delta-sigma modulator and method of driving delta-sigma modulator1 Jul 2021US 2021/0203351 A1Sony Semiconductor Solutions Corporation
- Analog-to-digital converter11 Mar 2021US 2021/0075439 A1Realtek Semiconductor Corp.
Most cited
By later US patents
- CMOS differential amplifier for a delta sigma modulator applicable for an analog-to-digital converter96US 6,018,262 AYamaha Corporation · 2000
- Sigma-delta modulator having a plural order loop filter with successive filter sections of successively smaller signal excursion range60US 5,243,345 AU. S. Philips Corporation · 1993
- Method for tone avoidance in delta-sigma converters37US 5,055,846 ACrystal Semiconductor Corporation · 1991
- Encoding device31US 4,692,737 AU. S. Philips Corporation · 1987
- Analog-Digital converter using delta sigma modulation digital filtering, and gain-scaling24US 5,757,299 AYamaha Corporation · 1998