Aiphone Co Ltd is a Japanese company engaged in manufacturing and selling communication and security systems. It operates in two business divisions including security business and care business. In the security business, it offers security systems for detached houses, apartment houses, schools, public facilities, and commercial facilities. Its products include TV (television) door phone, emergency caller, wireless paging system, interphone application, among others. In the care business, it manufactures products including nurse call for medical facilities, nurse call for welfare facilities, and multi-housing system for elderly people.