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Priority to ES0325094ApriorityCriticalpatent/ES325094A1/en
Publication of ES325094A1publicationCriticalpatent/ES325094A1/en
Acoustic electronic switching device, in which a sound-sensitive element is coupled to an electronic circuit arrangement, whose output is connected to a switching relay, said device being characterized in that the sound-sensitive element, constituted by a microphone, is connected to interposition of a regulating resistor, to a first transistor, amplifier, coupled to a second transistor, which, in turn, is to a third transistor, which commands the excitation of the coil of the aforementioned relay, the second transistor being coupled in the set of circuits in a way that commands the operation of the third transistor. (Machine-translation by Google Translate, not legally binding)
ES0325094A1966-04-041966-04-04Electronic electronic switch device. (Machine-translation by Google Translate, not legally binding)
ExpiredES325094A1
(en)
An electronic commuty circuit provision for the command of a relay that functions by current investment. (Machine-translation by Google Translate, not legally binding)
Amplification and switching device based on semiconductors and detector device constituted on the basis of such device. (Machine-translation by Google Translate, not legally binding)
Improvements in the circuits intended for the government of pirometric devices, electronic and analog relays (Machine-translation by Google Translate, not legally binding)