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TRIGO GIL MANUEL
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TRIGO GIL MANUEL
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Priority to ES0009180UpriorityCriticalpatent/ES9180Y/en
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Publication of ES9180YpublicationCriticalpatent/ES9180Y/en
Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms
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Abstract
A galena receiver apparatus for pocket, characterized essentially by being constituted, by a small box, of wood or appropriate material, in which all the elements or parts necessary for its operation are arranged, and which are, an earphone that projects to the exterior by an appropriate opening of the box, and so that together with this, it can be applied to the ear of the listener; a galena detector, detector connection and fixing terminals, a capacitor, an antenna output and a terminal that protrudes to the outside, which in contact with the hand or thumb of the listener acts as ground, and the necessary connections for the closing of the circuit corresponding to the parts described according to the schemes of such receivers. (Machine-translation by Google Translate, not legally binding)
An amplifier appliance for connecting portable receivers to transistors, to the automotive electrical circuit (Machine-translation by Google Translate, not legally binding)
Improvements in and related to electrical networks whose impedance depends on the sensitive voltage applied to them (Machine-translation by Google Translate, not legally binding)