H03M 3/414
Having multiple quantisers arranged in cascaded loops, each of the second and
Official title: {having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type}
H03M3/414 (Having multiple quantisers arranged in cascaded loops, each of the second and) appears on 209 US grants and 141 published applications in this corpus.
Search patents in H03M- Granted patents
- 209
- Published applications
- 141
- Assignees
- 123
- Inventors
- 348
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 6 |
| 2003 | 5 | 2 |
| 2004 | 4 | 3 |
| 2005 | 5 | 8 |
| 2006 | 6 | 3 |
| 2007 | 3 | 5 |
| 2008 | 6 | 5 |
| 2009 | 5 | 5 |
| 2010 | 6 | 4 |
| 2011 | 2 | 6 |
| 2012 | 4 | 3 |
| 2013 | 7 | 3 |
| 2014 | 5 | 7 |
| 2015 | 10 | 8 |
| 2016 | 10 | 9 |
| 2017 | 12 | 7 |
| 2018 | 7 | 6 |
| 2019 | 7 | 6 |
| 2020 | 15 | 11 |
| 2021 | 8 | 7 |
| 2022 | 5 | 8 |
| 2023 | 11 | 6 |
| 2024 | 6 | 8 |
| 2025 | 5 | 5 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High gain detector techniques for low bandwidth low noise phase-locked loops18 Aug 2026US 12,712,551 B2Texas Instruments Incorporated
- Audio D/A converter10 Mar 2026US 12,574,049 B2Rohm Co., Ltd.
- Noise-shaping converter with digital modulator30 Dec 2025US 12,512,852 B2Silicon Laboratories Inc.
- Continuous-time data converter with digital multi-stage noise shaping subconverter2 Dec 2025US 12,489,457 B2Infineon Technologies AG
- Continuous-time ADC calibration techniques14 Oct 2025US 12,445,144 B2Analog Devices International Unlimited Company
- Analog-to-digital converter and cascaded analog-to-digital converter16 Oct 2025US 2025/0323659 A1ams Sensors Germany GmbH
- Apparatus including a detector25 Sep 2025US 2025/0300634 A1NXP B. V.
- Parasitic Insensitive Sampling in Sensors22 May 2025US 2025/0164334 A1Murata Manufacturing Co., Ltd.
- Continuous-time data converter with digtal multi-stage noise shaping subconverter27 Mar 2025US 2025/0105856 A1Infineon Technologies AG
- Noise-shaping converter with digital modulator6 Mar 2025US 2025/0080134 A1Silicon Laboratories Inc.
Most cited
By later US patents
- On-focal-plane analog-to-digital conversion for current-mode imaging devices221US 5,886,659 ACalifornia Institute of Technology · 1999
- Multi-loop .SIGMA. .DELTA. analog to digital converter153US 5,982,315 AQUALCOMM Incorporated · 1999
- Noise cancellation circuit in a quadrature downconverter94US 6,243,430 B1QUALCOMM Incorporated · 2001
- Sigma-delta oversampled analog-to-digital converter network with chopper stabilization87US 5,148,167 AGeneral Electric Company · 1992
- Programmable dynamic range receiver with adjustable dynamic range analog to digital converter86US 6,134,430 A2000