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Individual
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Individual
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Priority to ES0235481ApriorityCriticalpatent/ES235481A3/en
Publication of ES235481A3publicationCriticalpatent/ES235481A3/en
Recording machine that is characterized by being constituted by a core and a coil in it skewered that creates a magnetic field originating the attraction of a non-polarized armature, with an effort proportional to the square of the current, to whose reinforcement the resistance of an expansion spring that tends to establish a small separation between said electromagnet and the armature. (Machine-translation by Google Translate, not legally binding)
ES0235481A1957-05-141957-05-14Recording machine (Machine-translation by Google Translate, not legally binding)
ExpiredES235481A3
(en)