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MARCONI INTERNAT MARINE COMM C
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MARCONI INTERNAT MARINE COMM C
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Application filed by MARCONI INTERNAT MARINE COMM CfiledCriticalMARCONI INTERNAT MARINE COMM C
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Publication of FR701680ApublicationCriticalpatent/FR701680A/fr
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
B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
B06B1/045—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism using vibrating magnet, armature or coil system
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Engineering & Computer Science
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Mechanical Engineering
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FR701680D1929-09-061930-08-07Procédé et appareils pour la transmission et la réception d'ondes de pression desliquides
ExpiredFR701680A
(fr)