| B | SK | PERFORMING OPERATIONS; TRANSPORTING |
| B06 | KL | GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL |
| B06B | UKL | 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; piezo-electric, electrostrictive or magnetostrictive elements H01L 41/00; motors with vibrating magnet, armature or coil H02K 33/00; motors using piezo-electric 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] |
| B06B 1/00 | HGR | Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency |
| B06B 1/02 | UGR1 | |
| B06B 1/04 | UGR2 | | . . | operating with electromagnetism (dynamo-electric motors with vibrating magnet, armature or coil system H02K 33/00) |
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| B06B 1/06 | UGR2 | | . . | operating with piezo-electric effect or with electrostriction (piezo-electric or electrostrictive elements in general H01L 41/00) |
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| B06B 1/08 | UGR2 | | . . | operating with magnetostriction (magnetostrictive elements in general H01L 41/00) |
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| B06B 1/10 | UGR1 | |
| B06B 1/12 | UGR2 | | . . | operating with systems involving reciprocating masses |
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| B06B 1/14 | UGR3 | | . . . | the masses being elastically coupled |
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| B06B 1/16 | UGR2 | | . . | operating with systems involving rotary unbalanced masses |
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| B06B 1/18 | UGR1 | | . | wherein the vibrator is actuated by pressure fluid (B06B 1/20 takes precedence) |
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| B06B 1/20 | UGR1 | | . | making use of a vibrating fluid |
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| B06B 3/00 | HGR | Processes or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic or ultrasonic frequency |
| B06B 3/02 | UGR1 | | . | involving a change of amplitude |
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| B06B 3/04 | UGR1 | | . | involving focusing or reflecting |
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