B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
B06B1/0207—Driving circuits
B06B1/0215—Driving circuits for generating pulses, e.g. bursts of oscillations, envelopes
B—PERFORMING OPERATIONS; TRANSPORTING
B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
B06B2201/50—Application to a particular transducer type
Procede et dispositif de commande d'un electro-aimant dont l'excitation, par un courant alternatif, provoque la mise en contact de deux pieces.