H03H 17/0289
Digital and active filter structures
Official title: {Digital and active filter structures}
H03H17/0289 (Digital and active filter structures) appears on 20 US grants and 13 published applications in this corpus.
Search patents in H03H- Granted patents
- 20
- Published applications
- 13
- Assignees
- 24
- Inventors
- 37
- Latest grant
- 9 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 2 | 0 |
| 2024 | 1 | 2 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Active multi-pole filter9 Apr 2024US 11,955,942 B2Anlotek Limited
- Signal processing system and signal processing method27 Jun 2023US 11,687,474 B2Rohde & Schwarz GmbH & Co.KG
- Near-zero latency analog bi-quad infinite impulse response filter27 Jun 2023US 11,689,393 B1The Boeing Company
- Coherence bandwidth adaptive CSI reporting25 Jan 2022US 11,234,147 B2Telefonaktiebolaget LM Ericsson (publ)
- Systems and methods for providing compensation of analog filter bandedge ripple using LPF2 Jul 2019US 10,340,893 B1Marvell International Ltd.
- Method for realizing speaker array-oriented multiple filter system, device, and computer-readable storage medium17 Apr 2025US 2025/0125791 A1AAC Acoustic Technologies (Shanghai) Co., Ltd.
- Multi-loop signal processing12 Dec 2024US 2024/0413844 A1Anlotek Limited
- Circuitry for Measurement of Electrochemical Cells12 Sep 2024US 2024/0305119 A1Cirrus Logic International Semiconductor Ltd.
- Active multi-pole filter1 Sep 2022US 2022/0278672 A1Anlotek Limited
- Signal processing system and signal processing method25 Aug 2022US 2022/0269626 A1Rohde & Schwarz GmbH & Co.KG
Most cited
By later US patents
- Apparatus and method for a combination D/A converter and FIR filter employing active current division from a single current source98US 5,995,030 AAdvanced Micro Devices, Inc. · 1999
- Multi-phase filter/DAC49US 5,521,946 AThe 3DO Company · 1996
- Current steering semi-digital reconstruction filter36US 5,625,357 AAdvanced Micro Devices, Inc. · 1997
- Data acquisition system for computed tomography scanning and related applications22US 5,724,037 AAnalog Devices, Inc. · 1998
- Coherent noise cancelling filter16US 4,344,150 ANewmont Mining Corporation · 1982