FIELD: medicine.
SUBSTANCE: three-channel ultrasonic assistive assistant for visually impaired persons, made in the form of a hand-held detector for detection of obstacles, detection of cliffs and stairs, made with possibility of fixation on four fingers by means of slot and containing microcontroller and three ultrasonic sensors of distance measurement connected to it with possibility of signal supply and reception, vibration motor, gyroscope, operating mode selection button, active operating mode activation button, start-up button, battery, vibration warning system. Three ultrasonic sensors for measuring distance are arranged at an angle relative to each other and the gyroscope.
EFFECT: use of this invention will make it possible to determine objects, for example, such as cliffs and stairs, and then through a vibration warning system introduced into it, transmit information to the user.
1 cl, 2 dwg
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