DIFF Subgroup
G04F 5/06 using piezoelectric 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 > using piezoelectric 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 > using piezoelectric resonators
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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