EAR MIKE FOR RECOGNITION OF RINGER TONE IN PORTABLE PHONE

摘要

PURPOSE: An ear mike for the recognition of a ringer tone in a portable phone is provided to enable a user to easily listen to a ringer tone through an ear mike in a situation difficult to recognize the termination of a call. CONSTITUTION: A CPU(10) executes control for an automatic transfer operation so that a user can listen to a ringer tone through an ear mike(20). A ringer tone generation part(80) generates a preset ringer tone according to the existence of an RF(Radio Frequency) signal received through an RF part(50). The ringer tone generation part(80) is connected with an interface connector(12) so that the output of the ringer tone generation part(80) can be outputted through the ear mike(20). In the state that the ear mike(20) is connected with the interface connector(12) as the interface connector(12) is coupled with a jack(22) of the ear mike(20), the user can listen to the preset ringer tone through the ear mike(20).