H03M 3/482
By adapting the quantisation step size
Official title: {by adapting the quantisation step size}
H03M3/482 (By adapting the quantisation step size) appears on 54 US grants and 52 published applications in this corpus.
Search patents in H03M- Granted patents
- 54
- Published applications
- 52
- Assignees
- 47
- Inventors
- 103
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 4 |
| 2003 | 4 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 3 |
| 2006 | 2 | 2 |
| 2007 | 1 | 1 |
| 2008 | 4 | 2 |
| 2009 | 1 | 4 |
| 2010 | 3 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 3 |
| 2014 | 1 | 0 |
| 2015 | 2 | 1 |
| 2016 | 3 | 4 |
| 2017 | 4 | 1 |
| 2018 | 3 | 2 |
| 2019 | 0 | 1 |
| 2020 | 5 | 5 |
| 2021 | 1 | 3 |
| 2022 | 3 | 0 |
| 2023 | 1 | 3 |
| 2024 | 2 | 3 |
| 2025 | 3 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Signal processing apparatus, signal processing method, and recording medium20 Jan 2026US 12,531,573 B2NEC Corporation
- Amplifier circuit to enable accurate measurement of small electrical signals8 Jul 2025US 12,355,469 B2Insiava (Pty) Limited
- Continuous-time delta-sigma analog-to-digital converter and operation method thereof6 May 2025US 12,294,388 B2Daegu Gyeongbuk Institute of Science and Technology
- Radio frequency receiver system18 Mar 2025US 12,253,584 B2Koninklijke Philips N. V.
- Multi-mode sigma-delta ADC circuit and microphone circuit having a multi-mode sigma-delta ADC circuit22 Oct 2024US 12,126,366 B2NXP B. V.
- Analog-to-digital conversion circuit, chip, and recording device19 Mar 2026US 2026/0081616 A1Actions Technology Co., Limited
- Delta-sigma modulation apparatus and delta-sigma modulation method15 May 2025US 2025/0158636 A1NEC Corporation
- Signal processing apparatus, signal processing method, and recording medium21 Nov 2024US 2024/0388307 A1NEC Corporation
- Multi-mode sigma-delta adc circuit and microphone circuit having a multi-mode sigma-delta adc circuit28 Mar 2024US 2024/0106455 A1NXP B. V.
- Sigma-delta adc circuit with bias compensation and microphone circuit having a sigma-delta adc circuit with bias compensation28 Mar 2024US 2024/0106456 A1NXP B. V.
Most cited
By later US patents
- Programmable dynamic range sigma delta A/D converter27US 6,255,974 B1Mitsubishi Electric & Electronics USA, Inc. · 2001
- Multi-bit sigma-delta analog to digital converter with a variable full scale26US 6,567,025 B2Analog Devices, Inc. · 2003
- System and method for adaptive sigma-delta modulation19US 6,661,363 B2MED-EL Elektromedizinische Geraete Ges.m.b.H. · 2003
- Integrated analog-to-digital converter18US 4,860,012 AMicrochip Technology Incorporated · 1989
- Switching power amplifier using a frequency translating delta sigma modulator16US 7,023,267 B2Prophesi Technologies, Inc. · 2006