| 摘要 |
An auditory jack includes a casing protected inside a metal shell and having an internally threaded metal socket on one end extended out of the metal shell through a hole for receiving the plug of an audio output device, an inside space divided into a plurality of troughs by a plurality of projecting blocks, into which two movable terminals and two fixed terminals are respective inserted, and a plurality of columns respectively made inside each trough and fitted into a respective round hole on a cover for permitting the cover to be firmly retained to the casing, which movable terminals each has an opposite end respectively formed into a springy triangular strip for electrically connecting the plug being threaded into said metal socket and for permitting the respective movable terminal to be able to return to a former shape after being pressed by the plug.
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