Ultrasonic tactile feedback system and method for assisting blind person to perceive
A tactile feedback, ultrasonic technology, applied in the input/output process of data processing, the input/output of user/computer interaction, instruments, etc., can solve the problems of delay, system time and spatial resolution, and achieve small sequence Bias, low latency, high resolution effects
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[0069] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.
[0070] see figure 1 with figure 2 , the present invention provides an ultrasonic tactile feedback system for assisting the perception of the blind, including a PC terminal 1, a microcontroller 2, an FPGA controller 3, a polyhedral three-dimensional ultrasonic phased array 4 in the air, a drive circuit and a hand motion capture sen...
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