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IPC Subgroup
G04F 8/02

using an electromechanical oscillator

Introduced: July 1974

Last revised: January 2006

Full Title

Apparatus for measuring unknown time intervals by electromechanical means > using an electromechanical oscillator

Classification Context

Section:
PHYSICS
Class:
HOROLOGY
Subclass:
TIME-INTERVAL MEASURING

2 direct subcodes

Child Classifications

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  • G04F 8/04 using a piezoelectric oscillator
  • G04F 8/06 using a magnetostrictive oscillator