H03M 3/454
With distributed feedback, i.e. with feedback paths from the quantiser output to
Official title: {with distributed feedback, i.e. with feedback paths from the quantiser output to more than one filter stage}
H03M3/454 (With distributed feedback, i.e. with feedback paths from the quantiser output to) appears on 428 US grants and 314 published applications in this corpus.
Search patents in H03M- Granted patents
- 428
- Published applications
- 314
- Assignees
- 206
- Inventors
- 686
- Latest grant
- 16 Jun 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 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 9 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 11 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 6 | 9 |
| 2003 | 10 | 5 |
| 2004 | 11 | 10 |
| 2005 | 18 | 19 |
| 2006 | 18 | 16 |
| 2007 | 18 | 17 |
| 2008 | 18 | 18 |
| 2009 | 20 | 10 |
| 2010 | 19 | 22 |
| 2011 | 22 | 19 |
| 2012 | 12 | 14 |
| 2013 | 19 | 19 |
| 2014 | 22 | 12 |
| 2015 | 19 | 14 |
| 2016 | 16 | 15 |
| 2017 | 15 | 9 |
| 2018 | 18 | 7 |
| 2019 | 9 | 17 |
| 2020 | 20 | 11 |
| 2021 | 11 | 6 |
| 2022 | 6 | 10 |
| 2023 | 11 | 10 |
| 2024 | 10 | 13 |
| 2025 | 12 | 6 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Second order audio continuous time delta sigma modulator with resonator16 Jun 2026US 12,658,936 B2Skyworks Solutions, Inc.
- Low-latency delta-sigma modulator28 Apr 2026US 12,615,059 B2Texas Instruments Incorporated
- Apparatus and method for sigma-delta modulator quantization noise cancellation10 Mar 2026US 12,574,047 B2Ciena Corporation
- Analog-to-digital converter with instability recovery circuit20 Jan 2026US 12,531,565 B2Texas Instruments Incorporated
- Circuit arrangement comprising a MOS sensor, in particular TMOS sensor, and a corresponding method for operating the circuit arrangement20 Jan 2026US 12,531,570 B2STMicroelectronics S,r.l.
- Delta sigma modulator with output controlled feedback current11 Jun 2026US 2026/0163585 A1NXP B. V.
- Micro-power continuous-time delta-sigma analog-to-digital converter for audio applications2 Apr 2026US 2026/0095193 A1Silicon Laboratories Inc.
- Continuous-Time Delta-Sigma Modulator with Capacitive Feed-ins5 Mar 2026US 2026/0066918 A1NXP B. V.
- High-Speed Continuous-Time Delta-Sigma Modulator Including an Amplifier with Limited Gain5 Mar 2026US 2026/0066919 A1NXP B. V.
- Noise transfer function synthesis for higher-order modulators5 Mar 2026US 2026/0066921 A1NXP B. V.
Most cited
By later US patents
- Second order Sigma-Delta based analog to digital converter having superior analog components and having a programmable comb filter coupled to the digital signal processor111US 5,408,235 AIntel Corporation · 1995
- Demodulation of an intermediate frequency signal by a sigma-delta converter85US 5,734,683 ANokia Mobile Phones Ltd. · 1998
- Sigma delta modulator having enlarged dynamic range due to stabilized signal swing82US 6,831,577 B1Sonion A/S · 2004
- Adaptive sigma-delta data converter for mobile terminals80US 6,577,258 B2Nokia Corporation · 2003
- Delta-Sigma .DELTA.-.SIGMA. modulator having a dynamically tunable continuous time Gm-C architecture77US 5,729,230 AHughes Aircraft Company · 1998