Miniature vocal transmitter device

Details Miniature vocal transmitter device Miniature vocal transmitter device

2005-05-24

2005-05-24

Chin, Vivian (Department: 2682)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C381S151000, C381S326000

Reexamination Certificate

active

06898448

ABSTRACT:
A vocal transmitter device includes a cable-receiving structure, an earphone, a fastener and a microphone. The cable-receiving structure has a case, a cable-winding plate, a connection cable, and a spiral spring. The spiral spring and the cable-winding plate are arranged in the case and connected to each other. The earphone is connected to a terminal of the connection cable. The fastener is connected on the case of the cable-receiving structure. The microphone is arranged either in the case of the cable-receiving structure or in the fastener. Another terminal of the connection cable is connected to the microphone. A miniature vocal transmitter device is hence accomplished.

REFERENCES:
patent: 4942617 (1990-07-01), Boylan
patent: 6439491 (2002-08-01), Liao
patent: 6633770 (2003-10-01), Gitzinger et al.
patent: 6728556 (2004-04-01), Whitley
patent: 20020080985 (2002-06-01), Ho
patent: 20040077382 (2004-04-01), Verity

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