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Publication of ITIM920004A1publicationCriticalpatent/ITIM920004A1/it
La Cuffia post-auricolare d'ascolto consiste in due padiglioni post-auricolari anteriormente concavi uniti tra loro da una parte centrale atta a tenerli in posizione si da avere un ampliamento a camera aperta dei padiglioni auricolari per meglio captare e/o convogliare le vibrazioni sonore nelle orecchie.
Loudspeaker circuit with means for monitoring the pressure at the speaker diaphragm, means for monitoring the velocity of the speaker diaphragm and a feedback circuit