EARPHONE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Oct 9, 2014
app pub date -
Aug 26, 2013
filing date -
Apr 3, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An earphone including a housing, a speaker unit, and a gasket is provided. The speaker unit is disposed inside the housing and having a front cover. The gasket is attached between the front cover and the housing. A space inside the housing is divided into a front chamber and a rear chamber by the gasket and the speaker unit together. The front cover has a sound-output opening and a sound-leakage opening. The sound-output opening communicates the front chamber and a space inside the speaker unit. The sound-leakage opening communicates the rear chamber and a space inside the speaker unit.
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