H03H 17/0201
Wave digital filters
Official title: {Wave digital filters}
H03H17/0201 (Wave digital filters) appears on 63 US grants and 48 published applications in this corpus.
Search patents in H03H- Granted patents
- 63
- Published applications
- 48
- Assignees
- 33
- Inventors
- 46
- Latest grant
- 3 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 2 | 2 |
| 2014 | 1 | 4 |
| 2015 | 1 | 3 |
| 2016 | 7 | 3 |
| 2017 | 13 | 15 |
| 2018 | 4 | 2 |
| 2019 | 3 | 1 |
| 2020 | 4 | 4 |
| 2021 | 3 | 1 |
| 2022 | 0 | 1 |
| 2023 | 3 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Digital filterbank for spectral envelope adjustment3 Dec 2024US 12,159,642 B2Dolby International AB
- Method and system for tracking sinusoidal wave parameters from a received signal that includes noise17 Oct 2023US 11,790,034 B2Oxford University Innovation Limited
- Digital filterbank for spectral envelope adjustment22 Aug 2023US 11,735,198 B2Dolby International AB
- Resource conserving weighted overlap-add channelizer13 Jun 2023US 11,677,484 B2Hughes Network Systems, LLC
- Signal segmentation and analysis30 Nov 2021US 11,190,166 B2Murata Vios, Inc.
- Apparatus including a detector25 Sep 2025US 2025/0300634 A1NXP B. V.
- Polyphase Filter Banks with Rational Decimation / Interpolation Factor14 Aug 2025US 2025/0260392 A1Ramon Space Ltd.
- Digital filterbank for spectral envelope adjustment29 May 2025US 2025/0174241 A1Dolby International AB
- Digital filterbank for spectral envelope adjustment15 Feb 2024US 2024/0055010 A1Dolby International AB
- Digital Filterbank for Spectral Envelope Adjustment24 Feb 2022US 2022/0059111 A1Dolby International AB
Most cited
By later US patents
- System and method for signal decomposition, analysis and reconstruction54US 7,706,992 B2Digital Intelligence, L.L.C. · 2010
- Apparatus for signal decomposition, analysis and reconstruction30US 7,702,502 B2Digital Intelligence, L.L.C. · 2010
- Signal decomposition, analysis and reconstruction apparatus and method27US 8,010,347 B2Digital Intelligence, L.L.C. · 2011
- Signal decomposition, analysis and reconstruction27US 8,386,244 B2Digital Intelligence, L.L.C. · 2013
- Filter having frequency-dependent transmission properties for electric analog signals12US 3,967,099 ASiemens Aktiengesellschaft · 1976