H03H 2220/08
Variable filter length
H03H2220/08 (Variable filter length) appears on 12 US grants and 13 published applications in this corpus.
Search patents in H03H- Granted patents
- 12
- Published applications
- 13
- Assignees
- 12
- Inventors
- 17
- Latest grant
- 24 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 4 |
| 2007 | 0 | 0 |
| 2008 | 2 | 4 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 1 | 1 |
| 2012 | 2 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year.
Recent patents
- Digital filter circuit, measurement instrument, and signal processing24 Dec 2024US 12,176,875 B2Rohde & Schwarz GmbH & Co.KG
- Optimizing processor operation in a processing system including one or more digital filters22 May 2018US 9,979,380 B2Micro Motion, Inc.
- Multi-mode audio amplifiers18 Aug 2015US 9,112,480 B2Marvell World Trade Ltd.
- Multi-channel periodic signal enhancement system24 Sep 2013US 8,543,390 B2QNX Software Systems Limited
- Multi-mode audio amplifiers6 Nov 2012US 8,306,245 B2Marvell World Trade Ltd.
- Digital filter circuit, measurement instrument, and signal processing method12 Jan 2023US 2023/0010278 A1Rohde & Schwarz GmbH & Co.KG
- Multi-mode audio amplifiers7 Mar 2013US 2013/0058504 A1Marvell World Trade Ltd.
- Filter device and method for providing a filter device7 Jun 2012US 2012/0143935 A1Huawei Technologies Co., Ltd.
- Optimizing processor operation in a processing system including one or more digital filters9 Jun 2011US 2011/0138205 A1Micro Motion, Inc.
- Multi-mode audio amplifiers27 Nov 2008US 2008/0292116 A1Marvell World Trade Ltd.
Most cited
By later US patents
- Advanced periodic signal enhancement25US 7,716,046 B2QNX Software Systems (Wavemakers), Inc. · 2010
- Periodic signal enhancement system18US 7,680,652 B2QNX Software Systems (Wavemakers), Inc. · 2010
- Sub-band periodic signal enhancement system4US 8,306,821 B2QNX Software Systems Limited · 2012
- Discrete filter having a tap selection circuit3US 7,080,108 B1Intel Corporation · 2006
- Impulse response shortening and symbol synchronization in OFDM communication systems2US 7,421,029 B2Unique Broadband Systems, Inc. · 2008