Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
Reexamination Certificate
2005-06-28
2005-06-28
Kuntz, Curtis (Department: 2643)
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Plural or compound reproducers
C381S379000, C381S384000
Reexamination Certificate
active
06912291
ABSTRACT:
An improved structure of a receptacle for earphone wire is disclosed. The present receptacle for an earphone wire is characterized in that the front shell contains a switching button, an interconnection rod urged against the switching button and a swinging rod which can actuate the rolling disc, and a pulling rod passed through the front shell capable of triggering the interconnection rod is provided to the clipping hook, the earphone seat is provided with a pushing rod pivotally mounted at the front shell, and the pushing rod passes through the front shell and interconnects with the swinging rod to swing, thereby the withdrawing out or inserting in the earphone can control the switching button of the earphone or the rotating of the rolling disc so that the earphone can be automatically switched ON or switched OFF.
REFERENCES:
patent: 5339461 (1994-08-01), Luplow
patent: 5684883 (1997-11-01), Chen
patent: 6371398 (2002-04-01), Liao
patent: 6434249 (2002-08-01), Wei
Ensey Brian
Kuntz Curtis
Lei Leong C.
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