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Charge And Discharge Circuits For Batteries Or The Like
(AREA)
Abstract
An improved hearing aid for the deaf, characterized by comprising a microphone case with an electronic circuit based on three transistors and powered by an ionic source of electrical energy constituted by a rechargeable accumulator battery comprising a polarized earphone for circulation of the current in a only sense and a charger element of the battery that is fed by alternating current of the network to 125 volts. (Machine-translation by Google Translate, not legally binding)
ES0049717U1955-08-241955-08-24A perfected enhanced hearing aid for the deaf (Machine-translation by Google Translate, not legally binding)
PendingES49717U
(en)
Transistorized system to restore and facilitate the generation of neurocorrientes in the organism. (Machine-translation by Google Translate, not legally binding)