EARPHONE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Feb 17, 2011
app pub date -
Sep 9, 2009
filing date -
Aug 12, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An earphone including a housing, a moving coil speaker, and a balance armature speaker is provided. The housing has an accommodating space and a single sound conducting channel connected to the accommodating space. The moving coil speaker and the balance armature speaker are disposed in the accommodating space of the housing, and sounds generated by the moving coil speaker and the balance armature speaker are output together through the single sound conducting channel. The earphone is characterized by soft bass from the moving coil speaker and a smooth frequency response curve from the balance armature speaker.
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