The transducer is a small hand-helddevice that resembles a microphone, attached to the scanner by a cord.
该传感器是一种小型手持设备，像一个麦克风，通过连接线连接到一个扫描仪。
2
The company was spun out of the failing British PC maker Acorn Computers and stumbled upon Apple, which was in the process of making its Newton hand-helddevice, as an early customer and investor.
Now, however, an Israeli company called Itamar Medical has developed a hand-helddevice that can directly measure the extent to which arteries have hardened.