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CRISA
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CRISA
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Priority to ES1982268413UpriorityCriticalpatent/ES268413Y/en
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Publication of ES268413YpublicationCriticalpatent/ES268413Y/en
Soundproofing, Sound Blocking, And Sound Damping
(AREA)
Abstract
Improved acoustic coupler, essentially characterized in that it comprises the arrangement of a digital demodulator controlled by a digital crystal, whose output signal is filtered and adapted to the telephone line, obtaining through an advanced synthesizer, a frequency accuracy highly stable and low distortion that minimizes the interference of the transmitted waves with the received data. (Machine-translation by Google Translate, not legally binding)
An electronic system of measurement of distances of special application for the shot of artillery. (Machine-translation by Google Translate, not legally binding)