Patent ID: 8538059
Filing Date: 2013-09-17
Classification: H04R

Abstract:
1. An ear speaker device, comprising: an electroacoustic transducer including a housing which is mounted at a predetermined position of the head of a listener and has an inner space, a speaker unit that is mounted on one surface in the housing, and is positioned away from an entrance of an external acoustic meatus of the listener for a predetermined distance when the housing is mounted on the head of the listener, and a tubular duct that is extended to the entrance of the external acoustic meatus of the listener, and emits a sound generated in the inside of the housing from a position closer to the entrance of the external acoustic meatus than the speaker unit; and a mounting part that is used for mounting the electroacoustic transducer on the head of the listener in a manner that the predetermined distance is provided between the speaker unit and the entrance of the external acoustic meatus of the listener.