| 摘要 |
PROBLEM TO BE SOLVED: To provide a telephone receiver which has a simple composition, appropriately performs switching between a bone conduction receiver and an air introducing receiver, and can set to catch optimal sound in each receiver.SOLUTION: A telephone receiver (1) switches from one receiver to the other receiver between a bone conduction receiver (16) and an air introducing receiver (17) on the basis of an area or a shape of a contact section of a user which is in contact with a touch panel (10) provided in the telephone receiver (1). |
