H04K 3/46
Characterized in that the jamming signal is produced by retransmitting a received
Official title: {characterized in that the jamming signal is produced by retransmitting a received signal, after delay or processing}
H04K3/46 (Characterized in that the jamming signal is produced by retransmitting a received) appears on 105 US grants and 99 published applications in this corpus.
Search patents in H04K- Granted patents
- 105
- Published applications
- 99
- Assignees
- 69
- Inventors
- 202
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 3 |
| 2005 | 2 | 2 |
| 2006 | 0 | 3 |
| 2007 | 0 | 5 |
| 2008 | 2 | 5 |
| 2009 | 3 | 5 |
| 2010 | 5 | 3 |
| 2011 | 3 | 6 |
| 2012 | 5 | 4 |
| 2013 | 6 | 7 |
| 2014 | 5 | 3 |
| 2015 | 1 | 5 |
| 2016 | 9 | 3 |
| 2017 | 4 | 5 |
| 2018 | 5 | 6 |
| 2019 | 9 | 2 |
| 2020 | 5 | 14 |
| 2021 | 6 | 4 |
| 2022 | 7 | 6 |
| 2023 | 7 | 1 |
| 2024 | 4 | 3 |
| 2025 | 3 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for adaptive additive sound14 Oct 2025US 12,444,400 B2Google Inc.
- Hybrid radar jamming and communication apparatus19 Aug 2025US 12,392,866 B2BAE Systems Information and Electronic Systems Integration Inc.
- Apparatus and method for generating jamming signal, communication system11 Mar 2025US 12,250,069 B2Agency for Defense Development
- System and method for signal re-transmission13 Aug 2024US 12,063,108 B2Elbit Systems Ew and Sigint-Elisra Ltd
- Privacy device for smart speakers11 Jun 2024US 12,010,487 B2
- Expendable Active Decoy5 Feb 2026US 2026/0036408 A1Embraer S.A.
- Perimeter security system3 Jul 2025US 2025/0219757 A1
- Voice signal output method and electronic device1 May 2025US 2025/0140229 A1Honor Device Co., Ltd.
- Privacy Device For Smart Speakers5 Dec 2024US 2024/0406648 A1
- Hybrid radar jamming and communication apparatus7 Nov 2024US 2024/0369680 A1BAE Systems Information and Electronic Systems Integration Inc.
Most cited
By later US patents
- Method and system for intelligent jamming signal generation430US 9,356,727 B2Spectrum Effect Inc. · 2016
- Airborne radar jamming system227US 8,830,112 B1The Boeing Company · 2014
- System and method for detecting and defeating a drone211US 9,529,360 B12016
- Using external sounds to alert vehicle occupants of external events and mask in-car conversations62US 9,469,247 B2Harman International Industries, Incorporated · 2016
- Electronic patient monitor and white noise source59US 6,897,781 B2Bed-Check Corporation · 2005