H03H 17/0211
Using specific transformation algorithms
Official title: {using specific transformation algorithms, e.g. WALSH functions, Fermat transforms, Mersenne transforms, polynomial transforms, Hilbert transforms (correlation computation G06F17/156)}
H03H17/0211 (Using specific transformation algorithms) appears on 168 US grants and 154 published applications in this corpus.
Search patents in H03H- Granted patents
- 168
- Published applications
- 154
- Assignees
- 125
- Inventors
- 302
- Latest grant
- 19 May 2026
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| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
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| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 2 |
| 2002 | 3 | 3 |
| 2003 | 2 | 3 |
| 2004 | 2 | 3 |
| 2005 | 5 | 7 |
| 2006 | 3 | 3 |
| 2007 | 3 | 4 |
| 2008 | 5 | 4 |
| 2009 | 1 | 3 |
| 2010 | 3 | 10 |
| 2011 | 3 | 1 |
| 2012 | 5 | 3 |
| 2013 | 10 | 5 |
| 2014 | 5 | 7 |
| 2015 | 7 | 7 |
| 2016 | 6 | 7 |
| 2017 | 7 | 6 |
| 2018 | 6 | 14 |
| 2019 | 12 | 10 |
| 2020 | 12 | 8 |
| 2021 | 5 | 15 |
| 2022 | 9 | 15 |
| 2023 | 15 | 3 |
| 2024 | 6 | 5 |
| 2025 | 2 | 4 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Reducing comb filtering for hearing devices19 May 2026US 12,634,641 B2Starkey Laboratories, Inc.
- Device and method for processing a digital signal5 May 2026US 12,620,977 B2Aktiebolaget Skf
- Digital filter arrangement for compensating group velocity dispersion in an optical transmission system4 Nov 2025US 12,463,723 B2Huawei Technologies Co., Ltd.
- Fractional Fourier Transform-based spectrum analyzer8 Jul 2025US 12,352,793 B2The Aerospace Corporation
- Resampling output signals of QMF based audio codecs26 Nov 2024US 12,154,583 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Reducing comb filtering for hearing devices10 Sep 2026US 2026/0270628 A1Starkey Laboratories, Inc.
- Digital filter circuit for computing exponential variance of a signal, corresponding system-on-chip and method of operation26 Mar 2026US 2026/0088805 A1STMicroelectronics International N. V.
- Apparatus including a detector25 Sep 2025US 2025/0300634 A1NXP B. V.
- Fractional Resampler22 May 2025US 2025/0165553 A1National Instruments Corporation
- Forward distortion correction for time domain beamforming24 Apr 2025US 2025/0132797 A1Telefonaktiebolaget LM Ericsson (publ)
Most cited
By later US patents
- Multi-channel digital transmitter and receiver111US 5,323,391 AMotorola, Inc. · 1994
- Digital filter tree68US 4,839,889 AANT Nachrichtentechnik GmbH · 1989
- Sample rate conversion method and apparatus67US 6,462,682 B2Telefonaktiebolaget LM Ericsson (publ) · 2002
- Method and means for transmultiplexing signals between signal terminals and radio frequency channels51US 5,396,489 AMotorola, Inc. · 1995
- Method and apparatus for filtering an electronic environment with improved accuracy and efficiency and short flow-through delay45US 5,502,747 ALake DSP Pty Limited · 1996