Device for the multi-stage people opinion research

摘要

the object of the application is a device for multi-stage test people's opinion. the device consists of three buttons held close to each other, which may be is pressed, and the number of their przyciu015bniu0119u0107 is zliczana calculation processor connected to them by wire or wirelessly. each of the buttons is marked respectively model.this device allows to follow the satisfaction and satisfaction of employees or customers. reservation is of such indication.