THE DESIGN OF AN ON LINE SYSTEM FOR TESTING STATE OF OBJECTS WITH LASER

In this paper we introduced a new testing equipment by which the size of moving objects and its shift from center can be measured on line. In this system, multi laser beams are used as testing light source and photocell array as sensors. The self study function of computer has been applied. With the technology of MCU intelligence testing, the problem of how to measuring the size and location of postal matters is solved effectively. The system as sample has been applied in a testing line in Ninbo postoffice.