EMERGENCY INFORMATION SYSTEM

摘要

PROBLEM TO BE SOLVED: To improve a communication environment and to provide a portable emergency information by effectively using a cellular phone mounted on an on-vehicle phone of an emergency information system. SOLUTION: A cellular phone 21 comprises a GPS21b and an emergency button 27, and is detachable from an on-vehicle phone 7. A positional information is provided by the GPS21b of the cellular phone 21 even when an owner of the on-vehicle phone 7 is out of a car with the cellular phone 21 off the hook. When the emergency button 27 is pressed down while the cellular phone 21 is carried, the positional data detected by the GPS21b is transmitted to a center 2 for emergency action.