NAKAYO, DAIWA HOUSE INDUSTRY, LIBERTY-INNOVATION, and Inter Tel Integrated Systems carried out the feasibility study of the aged people assist system which used videophone in the Kamisato neopolis in Sakae-ku, Yokohama-shi.

Aged people experienced the dialog while looking at the face which used the videophone. In addition, they also experienced the local disaster prevention which used the hearing simultaneous delivery functions. Eight of ten aged people who participated used more than forty time videophone by the videophone and the information reading.

Sakae-ku amounts to 31.2% of full population,
37,477 people are 65 or more years old, and have exceeded 28% of the national average.
The population ratio of more than 75 years old is 17.6% and it is predicted that it becomes 22% in 2025.