G11B 27/22

Means responsive to presence or absence of recorded information signals

G11B27/22 (Means responsive to presence or absence of recorded information signals) appears on 569 US grants and 383 published applications in this corpus.

Search patents in G11B
Granted patents
569
Published applications
383
Assignees
131
Inventors
601
Latest grant
11 Nov 2025

Filings by year

G11B 27/22: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197730
197890
197930
198070
198140
198220
198370
198440
198560
198630
198760
198880
198980
199080
199150
199250
199360
1994110
1995130
1996100
1997100
199880
1999150
2000130
2001108
20021220
2003186
20041020
200596
20061124
20071017
2008235
20092010
2010811
2011158153
201244
201352
2014417
20152117
2016916
20171712
20181111
201989
2020115
202173
202221
202304
202421
202541

By publication year. Applications have been published since 2001.

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By later US patents