H03M 7/3037
With weighted feedforward summation, i.e. with feedforward paths from more than one
Official title: {with weighted feedforward summation, i.e. with feedforward paths from more than one filter stage to the quantiser input}
H03M7/3037 (With weighted feedforward summation, i.e. with feedforward paths from more than one) appears on 44 US grants and 28 published applications in this corpus.
Search patents in H03M- Granted patents
- 44
- Published applications
- 28
- Assignees
- 31
- Inventors
- 77
- Latest grant
- 15 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 2 |
| 2004 | 3 | 3 |
| 2005 | 4 | 6 |
| 2006 | 5 | 3 |
| 2007 | 7 | 4 |
| 2008 | 3 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 2 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Digital pulse-width modulation (PWM) modulator with dynamically switchable code set for reduced total harmonic distortion and noise (THDN)15 Nov 2022US 11,502,671 B2Cirrus Logic, Inc.
- System and method for selecting a lossless compression algorithm for a data object based on performance objectives and performance metrics of a set of compression algorithms19 Jul 2022US 11,394,397 B2EMC IP Holding Company LLC
- Forward and backward smooth decoding method, device, and system7 Jul 2020US 10,707,896 B2Shenzhen Shen Zhen Kuang-Chi Hezhong Technology Ltd
- D/A converter, electronic musical instrument, information processing device and D/A conversion method2 Apr 2019US 10,249,279 B1Casio Computer Co., Ltd.
- Digital silicon microphone with configurable sensitivity, frequency response and noise transfer function3 Apr 2018US 9,936,304 B2Infineon Technologies AG
- Digital pulse-width modulation (pwm) modulator with dynamically switchable code set for reduced total harmonic distortion and noise (thdn)4 Aug 2022US 2022/0247389 A1Cirrus Logic International Semiconductor Ltd.
- System and method for selecting a lossless compression algorithm for a data object based on performance objectives and performance metrics of a set of compression algorithms28 Apr 2022US 2022/0131556 A1EMC IP Holding Company LLC
- Forward and backward smooth decoding method, device, and system1 Aug 2019US 2019/0238155 A1Shenzhen Super Data Link Technology Ltd.
- D/a converter, electronic musical instrument, information processing device and d/a conversion method28 Mar 2019US 2019/0096376 A1Casio Computer Co., Ltd.
- Digital Silicon Microphone with Configurable Sensitivity, Frequency Response and Noise Transfer Function1 Mar 2018US 2018/0063644 A1Infineon Technologies AG
Most cited
By later US patents
- Variable-order delta sigma modulator and DA converter62US 7,129,873 B2Rohm Co., Ltd. · 2006
- Sigma-delta modulator having a plural order loop filter with successive filter sections of successively smaller signal excursion range60US 5,243,345 AU. S. Philips Corporation · 1993
- Noise shapers with shared and independent filters and multiple quantizers and data converters and methods using the same48US 6,744,392 B2Cirrus Logic, Inc. · 2004
- Digital-to-analog converter circuit incorporating hybrid sigma-delta modulator circuit45US 6,646,581 B1Silicon Laboratories Inc. · 2003
- Apparatus for noise shaping a pulse width modulation (PWM) signal and method therefor35US 6,414,613 B1Motorola, Inc. · 2002