Inquiry (采购产品): motion detecting system We are a new company. We are looking for a detection system that can plot the position a rolling ball stops at within a 7' diameter circle. Ideally the detector should be placed in the center of the circle. **** Hidden Message ***** Greenman Marty 93460 USA Company: Stealth System E-mail: marty_greenman@hotmail.com **** Hidden Message ***** marty_greenman@hotmail.com
