抄録
In recent years, manufacturing based on the universal design, emerged from barrier-free technology, has been demanded. This technology in manufacturing products is to design on the assumption that various people like the senior citizen and persons with disabilities, etc. can use it without trouble. In this paper, it reports on the following as the first step to the universal design. We developed a computer input device based on the knowledge learnt at the technical high school as a barrier-free design, and improve it on a PDCA cycle.
