Patent ID: 6898448

Claim:
A miniature vocal transmitter device, comprising: a cable-receiving structure, including a case, a cable-winding plate, a connection cable and a spiral spring, the cable-winding plate and the spiral spring being arranged in the case, and the connection cable being wound around the cable-winding plate; an earphone connected to a first terminal of the connection cable; a fastener mounted on the case of the cable-receiving structure; a microphone arranged either in the case of the cable-receiving structure or the fastener, and further connected to a second terminal of the connection cable; a microphone support arranged on one of the case of the cable-receiving structure or the fastener, the microphone being disposed inside the microphone support and adhered to an inner wall thereof to define a clearance between the microphone and a portion of the microphone support, the microphone support having a hole extending from an opening in an outer wall thereof and being in open communication with said clearance; a sealing member displaceably disposed in the hole of the microphone support; and, a switch located external to the microphone support and coupled to the sealing member for reversibly displacing the sealing member to block and unblock communication between the clearance and the opening in the outer wall of the microphone support.