G01C 21/3629

Guidance using speech or audio output

Official title: {Guidance using speech or audio output, e.g. text-to-speech (text to speech systems per se G10L13/00)}

G01C21/3629 (Guidance using speech or audio output) appears on 693 US grants and 864 published applications in this corpus.

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Granted patents
693
Published applications
864
Assignees
313
Inventors
1,817
Latest grant
6 Oct 2026

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G01C 21/3629: granted patents and published applications per publication year
YearGranted patentsPublished applications
197910
198000
198110
198210
198300
198400
198500
198600
198710
198800
198900
199040
199100
199210
199340
199410
199560
199630
199730
1998110
199980
200090
2001118
20021314
20031317
20041212
20051121
2006925
2007417
20081021
20091219
2010623
20111534
20122523
20132233
20142738
20152545
20164551
20173956
20184344
20194437
20204360
20213649
20224554
20233953
20243834
20253337
20261939

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

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