B06B

GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL (for particular physical or chemical processes, see the relevant subclasses, e.g. B07B 1/40, B22C 19/06, B23Q 17/12, B24B 31/06, E01C 19/22; measurement of mechanical vibrations, including the combination of generation and measurement, G01H; systems using reflection or reradiation of acoustic waves G01S 15/00; generating seismic energy for prospecting G01V 1/02; control of mechanical vibrations G05D 19/00; methods or devices for transmitting, conducting or directing sound, in general G10K 11/00; synthesis of acoustic waves G10K 15/02; piezoelectric, electrostrictive or magnetostrictive elements H10N 30/00, H10N 35/00; motors with vibrating magnet, armature or coil H02K 33/00; motors using piezoelectric effect, electrostriction or magnetostriction H02N 2/00; generation of electrical oscillations H03B; electromechanical resonators as resonant circuit elements H03H; loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers H04R)[2]

Note(s) This subclass covers arrangements for generating mechanical vibrations in solids, e.g. for the purpose of performing mechanical work [6]This subclass does not cover arrangements for generating mechanical vibrations in fluids, which are covered by subclass G10K