H03M 7/304
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}
H03M7/304 (With distributed feedback, i.e. with feedback paths from the quantiser output to) appears on 109 US grants and 59 published applications in this corpus.
Search patents in H03M- Granted patents
- 109
- Published applications
- 59
- Assignees
- 64
- Inventors
- 151
- Latest grant
- 12 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 1 |
| 2002 | 2 | 4 |
| 2003 | 6 | 3 |
| 2004 | 5 | 12 |
| 2005 | 7 | 10 |
| 2006 | 11 | 5 |
| 2007 | 13 | 5 |
| 2008 | 8 | 2 |
| 2009 | 5 | 2 |
| 2010 | 1 | 3 |
| 2011 | 3 | 1 |
| 2012 | 1 | 1 |
| 2013 | 3 | 4 |
| 2014 | 2 | 0 |
| 2015 | 2 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 0 |
| 2019 | 1 | 3 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Measuring device and electrical controller9 Jul 2019US 10,348,325 B2Lenze Automation GmbH
- Arbitrary noise shaping transmitter with receive band notches7 Aug 2018US 10,044,367 B1Intel Corporation
- Second-order delta-sigma modulator and transmission apparatus24 Oct 2019US 2019/0326924 A1NEC Corporation
- Forward and backward smooth decoding method, device, and system1 Aug 2019US 2019/0238155 A1Shenzhen Super Data Link Technology Ltd.
- Measuring device and electrical controller21 Feb 2019US 2019/0058488 A1Lenze Automation GmbH
- Delta-sigma modulator and modulation method, transmission device, and transmission method16 Nov 2017US 2017/0331491 A1NEC Corporation
- Delta-sigma modulator and program of delta-sigma modulator23 Jun 2016US 2016/0182082 A1Onkyo Corporation
Most cited
By later US patents
- Digital data converter166US 5,155,743 ANuance DesignWorks, Inc. · 1992
- Low-delay signal processing based on highly oversampled digital processing100US 7,365,669 B1Cirrus Logic, Inc. · 2008
- Delta sigma pwm dac to reduce switching74US 5,815,102 AAudioLogic, Inc. · 1998
- Sigma delta modulator66US 5,311,181 AAnalog Devices, Inc. · 1994
- Variable-order delta sigma modulator and DA converter62US 7,129,873 B2Rohm Co., Ltd. · 2006