H04K 3/224

With countermeasures at transmission and/or reception of the jammed signal

Official title: {with countermeasures at transmission and/or reception of the jammed signal, e.g. stopping operation of transmitter or receiver, nulling or enhancing transmitted power in direction of or at frequency of jammer}

H04K3/224 (With countermeasures at transmission and/or reception of the jammed signal) appears on 629 US grants and 597 published applications in this corpus.

Search patents in H04K
Granted patents
629
Published applications
597
Assignees
301
Inventors
1,219
Latest grant
8 Sep 2026

Filings by year

H04K 3/224: granted patents and published applications per publication year
YearGranted patentsPublished applications
197630
197710
197810
197920
198030
198130
198230
198320
198420
198510
198640
198760
198810
198910
199050
199140
199270
199330
199430
199520
199620
199720
199800
199990
200090
2001111
20021316
20031415
2004918
20051013
20061716
20071270
20082842
20092329
20102129
20112917
20123621
20133119
20142122
20152523
20162123
20172926
20182025
20192919
20202419
20212230
20222127
20232918
20242533
20251715
20261311

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents