An Electronic Device and An Operation Method for An Electronic Device

電子裝置及電子裝置的操作方法

中華民國：I567407
CN 3602210
US 10,444,351

Chih-Kuang Yeh, Hsaing-Ching Lin

葉秩光、林享慶

The present invention provides an embodiment of an electronic device, including: an ultrasonic transmitting transducer, arranged to transmit a first ultrasonic signal, at a first time point, to an object to be tested at a first time point, wherein the first ultrasonic signal is reflected by the object to be tested to serve as a second ultrasonic signal; first, second and third ultrasonic receiving transducers, arranged to receive the second ultrasonic signal; and a processor, arranged to use Short-Time Fourier Transform to calculate a second time point, a third time point, and a fourth time point at which the first, second and third ultrasonic receiving transducers receive the second ultrasonic signal, and arranged to calculate the relative positions of the object to be tested and the ultrasonic transmitting transducer according to the second time point, the third time point, and the fourth time point.

​

一種電子裝置，包括：一超音波發射換能器，用以於一第一時間發送一第一超音波訊號至一待測物體，其中上述第一超音波訊號會被待測物體反射，作為一第二超音波訊號；第一、第二及第三超音波接收換能器，用以接收上述第二超音波訊號；以及一處理器，使用短時距傅立葉轉換計算出上述第一、第二及第三超音波接收換能器接收到上述第二超音波訊號之一第二、第三以及第四時間，並根據上述第一時間、上述第二時間、上述第三時間與上述第四時間得出上述待測物體與上述超音波發射換能器的一相對位置。