H03M 3/45
With distributed feedforward inputs, i.e. with forward paths from the modulator input
Official title: {with distributed feedforward inputs, i.e. with forward paths from the modulator input to more than one filter stage}
H03M3/45 (With distributed feedforward inputs, i.e. with forward paths from the modulator input) appears on 82 US grants and 67 published applications in this corpus.
Search patents in H03M- Granted patents
- 82
- Published applications
- 67
- Assignees
- 53
- Inventors
- 154
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 2 |
| 2004 | 2 | 4 |
| 2005 | 5 | 5 |
| 2006 | 4 | 4 |
| 2007 | 2 | 0 |
| 2008 | 2 | 3 |
| 2009 | 3 | 3 |
| 2010 | 2 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 3 |
| 2013 | 4 | 2 |
| 2014 | 3 | 1 |
| 2015 | 2 | 2 |
| 2016 | 5 | 6 |
| 2017 | 6 | 2 |
| 2018 | 2 | 2 |
| 2019 | 8 | 12 |
| 2020 | 8 | 4 |
| 2021 | 4 | 0 |
| 2022 | 1 | 5 |
| 2023 | 6 | 2 |
| 2024 | 3 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Glitch-free zero-latency AGC for sigma delta modulator3 Jun 2025US 12,323,166 B2InvenSense, Inc.
- Calibration with feedback sensing26 Mar 2024US 11,942,959 B2Infineon Technologies AG
- Power efficiency in an analog feedback class D modulator27 Feb 2024US 11,916,707 B2Analog Devices International Unlimited Company
- Systems and methods for delta-sigma digitization2 Jan 2024US 11,863,232 B2Cable Television Laboratories, Inc.
- Ad converter29 Aug 2023US 11,742,872 B2Asahi Kasei Microdevices Corporation
- Micro-power continuous-time delta-sigma analog-to-digital converter for audio applications2 Apr 2026US 2026/0095193 A1Silicon Laboratories Inc.
- Glitch-free zero-latency agc for sigma delta modulator18 Jan 2024US 2024/0022258 A1InvenSense, Inc.
- Calibration with feedback sensing6 Apr 2023US 2023/0106703 A1Infineon Technologies AG
- Incremental analog-to-digital converter and circuit system using the same26 Jan 2023US 2023/0021989 A1Nuvoton Technology Corporation
- Sigma delta modulator and method therefor29 Dec 2022US 2022/0416809 A1NXP B.V.
Most cited
By later US patents
- Sigma delta modulator66US 5,311,181 AAnalog Devices, Inc. · 1994
- Floating-gate reference circuit62US 7,034,603 B2Georgia Tech Research Corporation · 2006
- Semiconductor sensor circuit arrangement55US 7,782,237 B2The Board of Trustees of the Leland Stanford Junior University · 2010
- Sigma delta modulator with distributed prefiltering and feedback51US 5,055,843 AAnalog Devices, Inc. · 1991
- Sigma-delta-sigma modulator for high performance analog-to-digital and digital-to-analog conversion49US 6,061,008 ARockwell Science Center, Inc. · 2000