CPC Subgroup
B06B 1/02 making use of electrical energy (B06B1/18, B06B1/20 take precedence)
Full Title
Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency > making use of electrical energy (B06B1/18, B06B1/20 take precedence)
5 direct subcodes
Child Classifications
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- B06B 1/04 operating with electromagnetism (dynamo-electric motors with vibrating magnet, armature or coil system H02K33/00)
- B06B 1/06 operating with piezoelectric effect or with electrostriction (piezoelectric or electrostrictive devices per se H10N30/00)
- B06B 1/08 operating with magnetostriction (magnetostrictive devices per se H10N30/00)