H04N 9/641

Multi-purpose receivers

Official title: {Multi-purpose receivers, e.g. for auxiliary information (H04N9/642 takes precedence)}

H04N9/641 (Multi-purpose receivers) appears on 805 US grants and 398 published applications in this corpus.

Search patents in H04N
Granted patents
805
Published applications
398
Assignees
258
Inventors
1,179
Latest grant
15 Sep 2026

Filings by year

H04N 9/641: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197720
197800
197900
198020
198120
198250
198330
198440
198540
198650
1987140
198860
198960
199080
1991170
1992150
199390
1994310
1995200
1996270
1997310
1998570
1999500
2000360
20014812
20024441
20034245
20043552
20053162
20063938
20072226
20083020
20093815
20102217
20111312
20121516
2013156
2014114
2015108
201625
201771
201843
201954
202082
202133
202211
202312
202410
202521
202612

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

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