CITY PHONE COMBINED WITH BATTERY OF CELLULAR PHONE

摘要

PURPOSE: A city phone combined with a battery of a cellular phone is provided to use efficiently a city phone as well as a cellular phone by installing a city phone to a rear side of a battery for supplying electric power to a cellular phone. CONSTITUTION: A cellular phone is divided generally into a cellular phone case(14) and a battery(12). A multitude of dial button(18) of a city phone is installed on a back face of the cellular phone. A multitude of circuit of the city phone is operated according to a pushing operation of the dial buttons. Various circuits of the city phone are installed in an inside of the cellular phone batter(12). The various circuits of the city phone are connected in parallel with a power source connected to the cellular phone case(14). Accordingly, the same power source is used in the cellular phone and the city phone.