DIFF Subgroup
G04F 5/04 using oscillators with electromechanical resonators
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Apparatus for producing preselected time intervals for use as timing standards > using oscillators with electromechanical resonators
CPC:
Apparatus for producing preselected time intervals for use as timing standards (generating clock signals for electric digital computers G06F1/04) > using oscillators with electromechanical resonators
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 1974.
Child Classifications
Navigate with arrow keys, Enter to open