optical scanner

基本解释

An optical scanner can actually read characters and transfer them to the monitor screen of a computer.
光学扫描仪能读出字符，并将其转换到电脑显示屏上。
The reader picks up the information wirelessly via a radio frequency signal, instead of via an optical scanner.
“RFID”是通过射频信号，而非光学的扫描仪来获取信息，这意味着那些贴上标签的物体只要稍微靠近就会被读取，而无须小心翼翼地拿到扫描仪或读取器之前。
ATOS flowing optical scanner with the fringe pattern theory is a kind of advanced and non-contacted of equipment in reverse engineering.
Atos流动式光学扫描仪基于光栅原理，是逆向工程领域中一种先进的非接触式光学扫描设备。

And like a Coinstar for spent bottles and cans, Reimagine tallies up and rewards you for each item recycled, thanks a conveyor belt and optical scanner system that also sorts and crushes items.
FORBES: Coca-Cola "Reimagines" Recycling
With mobeam's technology, the Galaxy S4 can "beam" traditional 1D barcode data to any laser scanner with no new equipment, such as optical scanners or backend systems, required by the retailer.
ENGADGET: Samsung partners with Mobeam to offer scannable bar codes on the Galaxy S 4

a computer peripheral device enabling printed material, including characters and diagrams, to be scanned and converted into a form that can be stored in a computer &rarrsee also optical character reader