Patent ID: 6658274
Filing Date: 2003-12-02
Classification: H01Q,H04B

Abstract:
A voice interface structure of a cellular phone allowing 2-way operation, essentially comprised of a case of the cellular phone, a horn, a microphone, a keypad, a display, an external or built-in antenna and a cell, characterized in that a voice interface is situated on an opposite side of the case from the keyboard control, wherein the case provides a screen to reduce electromagnetic waves to which the head of the user is exposed without compromising the convenience of key entering and executing transmission and receiving, wherein:independent horns and independent microphones are each respectively provided in the front and the rear of the case of the cellular phone; or the independent horns are provided in the front and the real of the case of the cellular phone, and a common microphone is coupled to an internal voice conduction structure extending toward the front and rear of the case; or the independent horns are provided either in the front or the rear of the case; and the independent microphone is respectfully provided at another location with a further common microphone being connected to said internal structure; or the independent microphones are each respectively provided in the front and rear of the case and coupled to an internal voice conduction structure extending toward the front and rear, and a common horn is provided and also coupled to the internal voice conduction structure extending toward the front and rear of the case; or common horns are respectively provided in the front and rear of the case and coupled to an internal voice conduction structure extending toward the front and rear of the case, and a common microphone is provided and also coupled to the internal voice conduction structure extending toward the front and rear of the case; common horns are respectively provided in the front and rear of the case and coupled to an internal voice conduction structure extending toward the front and rear of the case, and a common microphone is provided at a preselected location; or a common horn is respectively provided in the front and rear of the case and is coupled to the internal voice conduction structure extending toward the front and rear of the case, and one of said independent microphones is provided in the front or the rear of the case.