FIELD: radio engineering, communication.
SUBSTANCE: mobile device (containing two screens, one of which is bistable) has at least two acoustic exciter converting electric signals into vibration of audio range and control system; the acoustic exciters are installed directly on the screen, and the control system provides a coordinated functioning of the acoustic exciters.
EFFECT: provision of audio reproduction function and tactile feedback function through the mobile device screen.
3 cl, 45 dwg
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