GRAPHIC INFORMATION INPUT AND OUTPUT DEVICE Russian patent published in 2024 - IPC G06F3/41 

FIELD: displays.

SUBSTANCE: invention relates to interactive screens with possibility of input and output of graphic information. Device for input and output of graphic information comprises a housing, on the front side of which there is a sensor working field consisting of a plurality of interactive pixels, interactive pixel comprises a light source and receiver, the light source and receiver are connected through a pseudo-duplex interface to an analogue transceiver and an analogue-to-digital memory, through which the interactive pixel is connected to an external digital serial interface, inside the housing there is a source of bipolar pulse power supply with a base frequency controller, which is connected to a light source through a brightness control unit, and through sensitivity control unit is connected to light receiver, to source of bipolar pulse power supply with control of base frequency is connected to clock frequency generator.

EFFECT: simplifying the design of the device and, as a result, increasing the reliability of the proposed device during its operation.

3 cl, 1 dwg