H03H 17/023
Reducing the wordlength, the possible values of coefficients
Official title: {reducing the wordlength, the possible values of coefficients}
H03H17/023 (Reducing the wordlength, the possible values of coefficients) appears on 24 US grants and 11 published applications in this corpus.
Search patents in H03H- Granted patents
- 24
- Published applications
- 11
- Assignees
- 28
- Inventors
- 44
- Latest grant
- 6 Feb 2024
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| 1977 | 1 | 0 |
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| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 2 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Filter device6 Feb 2024US 11,894,822 B2Mitsubishi Electric Corporation
- Configurable multiplier-free multirate filter23 May 2023US 11,658,643 B2Raytheon Company
- Low power biquad systems and methods16 May 2023US 11,652,471 B2Google Inc.
- Reducing crest factors7 Aug 2018US 10,044,543 B2Futurewei Technologies, Inc.
- Method for reducing digital filter coefficient word size and apparatus therefor11 Mar 2014US 8,671,127 B2HBC Solutions, Inc.
- Electronic filter16 Oct 2025US 2025/0323629 A1NXP USA, Inc.
- Systems and methods for decomposed digital filter27 Apr 2023US 2023/0128025 A1Intel Corporation
- Filter device28 Jul 2022US 2022/0239283 A1Mitsubishi Electric Corporation
- Configurable multiplier-free multirate filter21 Jul 2022US 2022/0231670 A1Raytheon Company
- Low power biquad systems and methods30 Dec 2021US 2021/0409004 A1Google Inc.
Most cited
By later US patents
- Data compression system and method for audio signals57US 4,802,222 ASRI International · 1989
- Method and apparatus for implementing a digital filter employing coefficients expressed as sums of 2 to an integer power50US 5,287,299 AMonolith Technologies Corporation · 1994
- Programmable canonic signed digit filter chip45US 5,262,974 ATRW Inc. · 1993
- Fir filter with quantized coefficients and coefficient quantization method29US 5,353,026 AAnalog Devices, Inc. · 1994
- Data compression system and method for audio signals23US 4,754,483 ASRI International · 1988