IPC Subgroup
G04C 13/03 Pulse transmission systems with additional means for setting the time indication of secondary clocks
Introduced: January 1980
Last revised: January 2006
Full Title
Driving mechanisms for clocks by primary clocks > Circuit arrangements; Electric clock installations > Pulse transmission systems with additional means for setting the time indication of secondary clocks
Classification Context
- Section:
- PHYSICS
- Class:
- HOROLOGY
- Subclass:
- ELECTROMECHANICAL CLOCKS OR WATCHES