H03H 17/0444
Where the output-delivery frequency is higher than the input sampling frequency, i.e.
Official title: {where the output-delivery frequency is higher than the input sampling frequency, i.e. interpolation}
H03H17/0444 (Where the output-delivery frequency is higher than the input sampling frequency, i.e.) appears on 21 US grants and 11 published applications in this corpus.
Search patents in H03H- Granted patents
- 21
- Published applications
- 11
- Assignees
- 14
- Inventors
- 36
- Latest grant
- 24 Nov 2020
Filings by year
| Year | Granted patents | Published applications |
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| 1977 | 1 | 0 |
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| 1982 | 0 | 0 |
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| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 2 | 4 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Low power lattice wave filter systems and methods24 Nov 2020US 10,848,131 B1Synaptics Incorporated
- Digital phase locked loop clock synthesizer with image cancellation17 Mar 2020US 10,594,300 B2Microsemi Semiconductor ULC
- Digital processing of audio signals utilizing cosine functions3 Mar 2020US 10,581,408 B2
- Envelope-dependent order-varying filter control29 Aug 2017US 9,748,929 B1Analog Devices, Inc.
- Digital interpolator and method of interpolating28 Mar 2017US 9,608,597 B2The Swatch Group Research and Development Ltd
- Low power lattice wave filter systems and methods3 Dec 2020US 2020/0382104 A1Synaptics Incorporated
- Digital Phase Locked Loop Clock Synthesizer with Image Cancellation25 Apr 2019US 2019/0123723 A1Microsemi Semiconductor ULC
- Digital processing of audio signals utilizing cosine functions31 Aug 2017US 2017/0250675 A1
- Digital interpolator and method of interpolating14 Jan 2016US 2016/0013772 A1The Swatch Group Research and Development Ltd
- Digital re-sampling apparatus using fractional delay generator25 Jul 2013US 2013/0187694 A1Innowireless Co., Ltd.
Most cited
By later US patents
- Distributed arithmetic oversampling recursive digital filter23US 4,521,866 A1985
- Signal processor with digital filter and integrating network17US 4,016,410 AU. S. Philips Corporation · 1977
- Digital signal synthesizer17US 4,782,324 AGenRad, Inc. · 1988
- Voice-band signal processor17US 5,034,962 AOki Electric Industry Co., Ltd. · 1991
- Multi-rate IIR decimation and interpolation filters17US 5,732,002 AAnalog Devices, Inc. · 1998