H04K 3/827
Using characteristics of target signal or of transmission
Official title: {using characteristics of target signal or of transmission (as countermeasure against jamming H04K3/25), e.g. using direct sequence spread spectrum or fast frequency hopping (spread spectrum techniques H04B1/69)}
H04K3/827 (Using characteristics of target signal or of transmission) appears on 108 US grants and 95 published applications in this corpus.
Search patents in H04K- Granted patents
- 108
- Published applications
- 95
- Assignees
- 87
- Inventors
- 238
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 2 | 2 |
| 2004 | 3 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 3 | 3 |
| 2010 | 0 | 1 |
| 2011 | 3 | 5 |
| 2012 | 0 | 5 |
| 2013 | 5 | 5 |
| 2014 | 9 | 7 |
| 2015 | 9 | 12 |
| 2016 | 8 | 6 |
| 2017 | 5 | 4 |
| 2018 | 4 | 5 |
| 2019 | 8 | 5 |
| 2020 | 5 | 4 |
| 2021 | 3 | 6 |
| 2022 | 4 | 6 |
| 2023 | 5 | 2 |
| 2024 | 3 | 5 |
| 2025 | 4 | 4 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Interference management for array puncturing21 Apr 2026US 12,609,750 B2QUALCOMM Incorporated
- Distributed carrier with joint equalization10 Mar 2026US 12,574,875 B2Spectric Labs, Inc.
- Method for performing synchronization in distributed carrier communications2 Dec 2025US 12,490,212 B2Spectric Labs, Inc.
- Disruption to an operation of an unmanned aerial vehicle23 Sep 2025US 12,425,123 B2D-Fend Solutions Ad Ltd.
- Waveform analysis and vulnerability assessment (WAVE) tool26 Aug 2025US 12,400,134 B2The Aerospace Corporation
- Emissions mitigation system for secure space eavesdropping protection25 Jun 2026US 2026/0180707 A1Northrop Grumman Systems Corporation
- Disruption to an operation of an unmanned aerial vehicle21 May 2026US 2026/0142743 A1D-Fend Solutions Ad Ltd.
- Covert communication technique for intelligent reflecting surface-assisted wireless networks with a friendly jammer5 Feb 2026US 2026/0039410 A1U.S. Government as represented by the Secretary of the Army
- Waveform analysis and vulnerability assessment (wave) tool13 Nov 2025US 2025/0348766 A1The Aerospace Corporation
- Interference management for array puncturing21 Aug 2025US 2025/0266894 A1QUALCOMM Incorporated
Most cited
By later US patents
- Method for collecting data using compact internetworked wireless integrated network sensors (WINS)932US 6,735,630 B1Sensoria Corporation · 2004
- Method and apparatus for internetworked wireless integrated network sensor (WINS) nodes858US 6,859,831 B1Sensoria Corporation · 2005
- Method and apparatus for distributed signal processing among internetworked wireless integrated network sensors (WINS)510US 6,832,251 B1Sensoria Corporation · 2004
- Apparatus for internetworked hybrid wireless integrated network sensors (WINS)463US 6,826,607 B1Sensoria Corporation · 2004
- Communication network with secure access for portable users194US 8,406,427 B2BAE Systems Information and Electronic Systems Integration Inc. · 2013