H04B 2001/1063
Using a notch filter
Official title: {using a notch filter}
H04B2001/1063 (Using a notch filter) appears on 195 US grants and 182 published applications in this corpus.
Search patents in H04B- Granted patents
- 195
- Published applications
- 182
- Assignees
- 92
- Inventors
- 361
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 2 |
| 2002 | 3 | 2 |
| 2003 | 0 | 0 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 9 |
| 2013 | 1 | 5 |
| 2014 | 13 | 19 |
| 2015 | 25 | 19 |
| 2016 | 15 | 13 |
| 2017 | 19 | 16 |
| 2018 | 6 | 5 |
| 2019 | 17 | 13 |
| 2020 | 12 | 14 |
| 2021 | 8 | 15 |
| 2022 | 12 | 15 |
| 2023 | 18 | 16 |
| 2024 | 8 | 8 |
| 2025 | 8 | 7 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Promoting coexistence of multiple radio systems through the mitigation of desensitization and intermodulation effects16 Jun 2026US 12,658,955 B2Netgear, Inc.
- Sensor signal multiplexer and digitizer with analog notch filter and optimized sample frequency19 May 2026US 12,633,951 B2InvenSense, Inc.
- Device for improving reception and method for improving reception24 Mar 2026US 12,587,221 B2Sennheiser electronic GmbH & Co. KG
- Envelope controlled radio frequency switches24 Feb 2026US 12,562,760 B2Skyworks Solutions, Inc.
- Interference detection and rejection in a communication/navigation narrowband and wideband radio16 Sep 2025US 12,418,317 B2Honeywell International Inc.
- Envelope controlled radio frequency switches8 Oct 2026US 2026/0312606 A1Skyworks Solutions, Inc.
- Promoting coexistence of multiple radio systems through the mitigation of desensitization and intermodulation effects17 Sep 2026US 2026/0280595 A1Netgear, Inc.
- Apparatus, method30 Apr 2026US 2026/0121674 A1Intel Corporation
- Jamming signal rejection14 Aug 2025US 2025/0260506 A1QUALCOMM Incorporated
- Communication terminal configured to adjust for interference and methods of use7 Aug 2025US 2025/0253876 A1Hughes Network Systems, LLC
Most cited
By later US patents
- Adaptive notch filter for FM interference cancellation303US 5,307,517 A1994
- Dual-mode cellular telephone system238US 6,035,213 ASharp Kabushiki Kaisha · 2000
- Method and a device for maintaining the performance quality of a code-division multiple access system in the presence of narrow band interference215US 6,807,405 B1ISCO International, LLC · 2004
- Spread spectrum modulation communication apparatus for narrow band interference elimination211US 5,974,101 ACanon Kabushiki Kaisha · 1999
- Receiver and adaptive digital notch filter199US 5,226,057 ARockwell International Corporation · 1993