H03M 3/3287
The dither being at least partially dependent on the input signal
Official title: {the dither being at least partially dependent on the input signal}
H03M3/3287 (The dither being at least partially dependent on the input signal) appears on 33 US grants and 16 published applications in this corpus.
Search patents in H03M- Granted patents
- 33
- Published applications
- 16
- Assignees
- 24
- Inventors
- 53
- Latest grant
- 10 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 1 |
| 2003 | 1 | 2 |
| 2004 | 3 | 2 |
| 2005 | 1 | 3 |
| 2006 | 4 | 2 |
| 2007 | 2 | 2 |
| 2008 | 5 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus for mitigating wandering spurs in a fractional-N frequency synthesizer10 Jan 2023US 11,552,645 B2University College Dublin
- Dithering and calibration technique in multi-stage ADC1 Sep 2020US 10,763,886 B1Texas Instruments Incorporated
- Rail adaptive dither30 Oct 2018US 10,116,322 B1Raytheon Company
- Delta-sigma modulator and method for signal conversion19 Sep 2017US 9,768,798 B2Ams AG
- Delta-sigma modulator and dithering method including a dithering capability for eliminating idle tones25 Dec 2012US 8,339,297 B2Micro Motion, Inc.
- Apparatus for mitigating wandering spurs in a fractional-n frequency synthesizer23 Dec 2021US 2021/0399734 A1University College Dublin
- Delta-sigma modulator and method for signal conversion16 Mar 2017US 2017/0077946 A1Ams AG
- Delta-sigma modulator and dithering method including a dithering capability for eliminating idle tones2 Jun 2011US 2011/0128173 A1Micro Motion, Inc.
- Analog-to-Digital Converter Using Digital Output as Dither29 Jul 2010US 2010/0188274 A1Analog Devices, Inc.
- Bitstream Controlled Reference Signal Generation for a Sigma-Delta Modulator4 Oct 2007US 2007/0229331 A1Koninklijke Philips Electtronics N.V.
Most cited
By later US patents
- 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
- 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
- Multi-level quantizer with current mode DEM switch matrices and separate DEM decision logic for a multibit sigma delta modulator41US 6,426,714 B1Nokia Corporation · 2002
- Analog-to-digital converter having an excellent signal-to-noise ratio for small signals29US 5,010,347 ANEC Corporation · 1991