IPC Main Group
G04R 40/00 Correcting the clock frequency
Introduced: January 2013
Classification Context
- Section:
- PHYSICS
- Class:
- HOROLOGY
- Subclass:
- RADIO-CONTROLLED TIME-PIECES
3 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- G04R 40/02 by phase locking
- G04R 40/04 by detecting the radio signal frequency
- G04R 40/06 by computing the time value implied by the radio signal