Earphone
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 9, 2015
Grant Date -
Apr 12, 2012
app pub date -
Feb 11, 2011
filing date -
Oct 6, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An earphone including a housing, a bracket, a first speaker unit and a second speaker unit is provided. The bracket disposed inside the housing includes a front plate, a first tube portion, a second tube portion and at least one connecting portion. The first tube portion is connected to the front plate. The second tube portion is separated from the first tube portion. The first tube portion is between the front plate and the second tube portion. The connecting portion connects the first tube portion and the second tube portion. The front plate has a central hole and surrounding holes. The second accommodating space is communicated to a main audio-output path of the housing through the surrounding holes. The first speaker unit is disposed in a first accommodating space of the first tube portion. The second speaker unit is disposed in a second accommodating space of the second tube portion.
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