H03M 3/33
The dither being a random signal
Official title: {the dither being a random signal}
H03M3/33 (The dither being a random signal) appears on 101 US grants and 66 published applications in this corpus.
Search patents in H03M- Granted patents
- 101
- Published applications
- 66
- Assignees
- 54
- Inventors
- 133
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 2 |
| 2003 | 2 | 5 |
| 2004 | 6 | 4 |
| 2005 | 7 | 9 |
| 2006 | 8 | 6 |
| 2007 | 7 | 4 |
| 2008 | 8 | 1 |
| 2009 | 1 | 1 |
| 2010 | 2 | 4 |
| 2011 | 4 | 3 |
| 2012 | 2 | 1 |
| 2013 | 1 | 2 |
| 2014 | 2 | 2 |
| 2015 | 4 | 1 |
| 2016 | 2 | 3 |
| 2017 | 2 | 1 |
| 2018 | 4 | 0 |
| 2019 | 1 | 4 |
| 2020 | 6 | 3 |
| 2021 | 3 | 3 |
| 2022 | 3 | 3 |
| 2023 | 2 | 2 |
| 2024 | 1 | 1 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Sigma-delta modulator based analog-to-digital converter and dithering method thereof30 Sep 2025US 12,431,914 B2Silicon Craft Technology Public Company Limited (SICT)
- Noise-shaping of additive dither in analog-to-digital converters11 Feb 2025US 12,224,761 B2Texas Instruments Incorporated
- Reducing harmonic distortion by dithering7 Jan 2025US 12,191,875 B2Ultraleap Limited
- Low power always-on microphone using power reduction techniques9 Apr 2024US 11,955,993 B2InvenSense, Inc.
- Infinite impulse response filters with dithering and methods of operation thereof31 Oct 2023US 11,804,849 B2STMicroelectronics S.r.l.
- Reducing Harmonic Distortion by Dithering24 Jul 2025US 2025/0240024 A1Ultraleap Limited
- Sigma-delta modulator based analog-to-digital converter and dithering method thereof5 Sep 2024US 2024/0297663 A1Silicon Craft Technology Public Company Limited (SICT)
- Reducing Harmonic Distortion by Dithering23 Nov 2023US 2023/0378966 A1Ultraleap Limited
- Noise-Shaping of Additive Dither in Analog-to-Digital Converters26 Oct 2023US 2023/0344436 A1Texas Instruments Incorporated
- Reducing Harmonic Distortion by Dithering13 Oct 2022US 2022/0329250 A1Ultraleap Limited
Most cited
By later US patents
- Idle channel tone and periodic noise suppression for sigma-delta modulators using high-level dither72US 5,144,308 AAT&T Bell Laboratories · 1992
- Low capacitance, low kickback noise input stage of a multi-level quantizer with dithering and multi-threshold generation for a multi-bit sigma-delta modulator60US 6,473,019 B1Nokia Corporation · 2002
- Density-modulated dynamic dithering circuits and method for delta-sigma converter52US 6,351,229 B1Texas Instruments Incorporated · 2002
- Noise reduction method and apparatus utilizing filtering of a dithered signal47US 5,774,842 ASony Corporation · 1998
- Dither signal insertion inversely proportional to signal level in delta-sigma modulators46US 6,462,685 B1Nokia Corporation · 2002