Using photonic emission to develop electromagnetic emission models
US-11538147-B2 · Dec 27, 2022 · US
Jamming of communication; Counter-measures
Jamming of communication; Counter-measures · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04K3/00 |
| Official title | Jamming of communication; Counter-measures |
| Display label | Jamming of communication; Counter-measures |
| Total patents | 80 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 6 |
| 2017 | 8 |
| 2018 | 9 |
| 2019 | 8 |
| 2020 | 14 |
| 2021 | 8 |
| 2022 | 7 |
| 2023 | 7 |
| 2024 | 6 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Radio wave state analysis method
US-11362745-B2 · Jun 14, 2022 · US
Invalid measurement indication in location measurement report
US-11234129-B2 · Jan 25, 2022 · US
System and method for monitoring wireless communication channel by using cooperative jamming and spoofing
US-2021409146-A1 · Dec 30, 2021 · US
Interference signal generation device, interference signal generation system, and interference signal generation method
US-11196506-B2 · Dec 7, 2021 · US
Concealed jamming attach apparatus and method which use false acknowledgement frame
US-11108491-B2 · Aug 31, 2021 · US
Scrambling code sequence generation method and apparatus
US-11101909-B2 · Aug 24, 2021 · US
Method for detecting active radiofrequency wireless communication signal in a region
US-11082148-B2 · Aug 3, 2021 · US
Jamming device and jamming method
US-10999001-B2 · May 4, 2021 · US
Concealed jamming attach apparatus and method which use false acknowledgement frame
US-2021044378-A1 · Feb 11, 2021 · US
Communication system, communication device, control device and communication control method
US-10912098-B2 · Feb 2, 2021 · US
Acoustic metamaterial
US-2020312292-A1 · Oct 1, 2020 · US
Interference signal generation device, interference signal generation system, and interference signal generation method
US-2020266915-A1 · Aug 20, 2020 · US
Tamper security systems and methods for vehicles
US-10730479-B2 · Aug 4, 2020 · US
Low cost and low latency logical unit erase
US-2020201785-A1 · Jun 25, 2020 · US
Gnss receiver interference handling
US-2020158878-A1 · May 21, 2020 · US
Method for detecting active radiofrequency wireless communication signal in a region
US-2020136744-A1 · Apr 30, 2020 · US
Jamming device and jamming method
US-2020136745-A1 · Apr 30, 2020 · US
SYSTEM AND METHOD FOR SMALL UNMANNED AERIAL SYSTEMS (sUAS) DEFENSE
US-2020107198-A1 · Apr 2, 2020 · US
Scrambling code sequence generation method and apparatus
US-2020099461-A1 · Mar 26, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04K3/00?
- CPC H04K3/00 is the Cooperative Patent Classification code for “Jamming of communication; Counter-measures.”
- How many patents are filed under CPC H04K3/00 (Jamming of communication; Counter-measures)?
- Our database includes 80 publications tagged with this CPC code.
- Is patent activity under CPC H04K3/00 growing?
- Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).