用LED显示回波分布的袖珍式A超检测仪  

A portable A-model ultrasonic detector with indication of echo wave distribution by LEDs

作　　者：沈以鸿[1] 石学工[1] 

机构地区：[1]清华大学

出　　处：《中国医疗器械杂志》1993年第5期279-281,共3页Chinese Journal of Medical Instrumentation

摘　　要：本文介绍的用一列发光二极管(LED)显示回波分布的袖珍式A超检测仪具有体积小,重量轻、耗电省等优点,可应用于妊娠检测、膘厚测定和超声测距等方面。本文介绍其显示原理和电路构成。A portable A-model ultrasonic detector is introduced in this paper. It uses an array of LEDs to indicate the echo wave distribution. The detecto has the advantages of small size, lightness and little power consumption. Its application includes pregnancy detection, measuring fat thickness, and ultrasonic distance measurement. The principle and the circuitry of the indication part of the detector are described in detail.

关 键 词：A超 超声波检测仪 回波分布 显示 

分 类 号：TH776.1[机械工程—仪器科学与技术]