H04N 3/12

By switched stationary formation of lamps, photocells or light relays

Official title: by switched stationary formation of lamps, photocells or light relays

H04N3/12 (By switched stationary formation of lamps, photocells or light relays) appears on 319 US grants and 30 published applications in this corpus.

Search patents in H04N
Granted patents
319
Published applications
30
Assignees
101
Inventors
486
Latest grant
5 Mar 2019

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H04N 3/12: granted patents and published applications per publication year
YearGranted patentsPublished applications
197660
1977100
197840
197990
198060
198140
198230
1983100
198450
1985150
198690
1987200
1988210
1989190
1990140
1991160
1992150
1993180
1994240
1995130
1996100
1997110
1998100
199950
200070
200141
200223
200353
200401
200523
200612
200711
200821
200913
201031
201111
201210
201300
201412
201532
201633
201723
201820
201910

By publication year. Applications have been published since 2001.

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