Subclass | Subgroup | Patent |
H04N | 23/52 | 12170831 |
23/57 | 12170832 | |
23/611 | 12170833 | |
23/631 | 12170834 | |
23/632 | 12170835 | |
12170836 | ||
23/64 | 12170837 | |
12170838 | ||
12170839 | ||
12170840 | ||
23/651 | 12170841 | |
23/661 | 12170842 | |
23/667 | 12170843 | |
12170844 | ||
23/67 | 12170845 | |
12170846 | ||
23/69 | 12170847 | |
23/695 | 12170848 | |
23/74 | 12170849 | |
12170850 | ||
23/745 | 12170851 | |
23/80 | 12170852 |