IPC Subgroup
G04R 20/1 Tuning or receiving; Circuits therefor
Introduced: January 2013
Full Title
Setting the time according to the time information carried or implied by the radio signal > the radio signal being broadcast from a long-wave call sign, e.g. DCF77, JJY40, JJY60, MSF60 or WWVB > Tuning or receiving; Circuits therefor
Classification Context
- Section:
- PHYSICS
- Class:
- HOROLOGY
- Subclass:
- RADIO-CONTROLLED TIME-PIECES