OCR technology, which uses a lightsensitivedevice, is used to read codes on merchandise tags, product labels, credit card receipts, and other documents.
光学字符识别技术，它利用光敏感器件，是用来读码，商品标签，产品标签，信用卡收据及其他文件。
2
Using the continuous sending laser light source and semiconductor photoelectric position sensitivedevice, a high accurate tri-dimensional non-contact optical measurement system is designed.
利用连续发射的激光光源和半导体光电位置敏感器件，设计了一种三维非接触高精度的光学测量系统。
3
In computer graphics, a lightsensitive pick device that is pointed at the display surface.