H04N 21/4263

Involving specific tuning arrangements

Official title: {involving specific tuning arrangements, e.g. two tuners}

H04N21/4263 (Involving specific tuning arrangements) appears on 1,457 US grants and 1,758 published applications in this corpus.

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1,457
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1,758
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424
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2,690
Latest grant
22 Sep 2026

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H04N 21/4263: granted patents and published applications per publication year
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199350
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1998210
1999140
2000220
20013517
20023178
20032171
20043691
200524138
200664118
200748105
200852125
200974115
201085113
20118182
20128884
201310184
201410167
201595106
20167286
20176653
20186742
20193533
20204327
20212931
20223124
20233031
20243018
20252015
202674

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