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IPC Subgroup
G10H 5/14

using electromechanical resonators, e.g. quartz crystals, as frequency-determining elements

Introduced: January 1980

Last revised: January 2006

Full Title

Instruments in which the tones are generated by means of electronic generators > using electromechanical resonators, e.g. quartz crystals, as frequency-determining elements

Classification Context

Section:
PHYSICS
Class:
MUSICAL INSTRUMENTS; ACOUSTICS
Subclass:
ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE