============================
打印机
============================
投影机
sony vpl-ex570 https://pro.sony/zh_CN/products/short-throw-projectors/vpl-ex570
http://www.epson.com.cn/products/projectors/BUS-EDU/CB-97H/
sony vpl-ex570 epson cb-x03 epson cb-97h hitachi hcp-2700x panasonic pt-xw312c
============================
摄像机，录像机 安防监控
萤石云,只要扫描摄像机或录像机上的二维码就可以将设备添加到萤石云中
hikvision ds-ipc-t12h2，拾音版 hikvision ds-7808n-snh
原文：https://www.cnblogs.com/createyuan/p/12208177.html