Patent ID: 7236846

Claim:
A product quality information control method for stabilizing the quality of products while being produced in a production system having a plurality of manufacture control departments, a corresponding number of manufacturing lines and a single inspection department disposed downstream of the manufacturing lines, said method comprising: a first step of inputting at the inspection department, information of imperfections found in the products during an inspection process of the products carried out at the inspection department; a second step of making a repair at the inspection department based on said imperfection information and feeding repair information from the inspection department back to a responsible one of the manufacture control departments, said repair information containing graphic and character information representative of contents of the repair, said second step further comprises: a first sub-step of selecting said imperfection information; a second sub-step of making a repair based on said imperfection information and inputting a cause of the imperfection and contents of the repair; a third sub-step of inputting processed graphic information and character information and further inputting coordinated position data of specific area relevant to the repair to a product image displayed on an input screen of a display; and a fourth sub-step of feeding said repair information of said second and third sub-steps back to said responsible manufacture control department; and a third step of producing at the responsible manufacture control department on the basis of said repair information, measure information to be reflected upon the manufacture of the products carried out at a corresponding one of the manufacturing lines; said first, second and third steps being carried out on a real time basis.