CPC Subgroup
G04R 20/20 the radio signal being an AM/FM standard signal, e.g. RDS
Full Title
Setting the time according to the time information carried or implied by the radio signal > the radio signal being an AM/FM standard signal, e.g. RDS
2 direct subcodes
Child Classifications
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- G04R 20/22 Tuning or receiving; Circuits therefor
- G04R 20/24 Decoding time data; Circuits therefor