MULTIPLE CHANNEL EARPHONE AND STRUCTURE THEREOF
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United States of America Patent
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N/A
Issued Date -
Oct 9, 2008
app pub date -
Jun 11, 2007
filing date -
Apr 4, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A multiple channel earphone is provided, which includes a chamber main body and a main chamber support located in the chamber main body. A front field mixing chamber, a main chamber, and a back chamber are formed in the chamber main body. The main speaker is located on the main chamber support or a partition board, a sub-speaker is disposed on a protruding portion of the chamber main body, and the back chamber is formed between the sub-speaker and the main chamber support or the partition board. In an embodiment, the multiple channel earphone structure further includes at least one or more pairs of chamber extension tubes disposed outside the chamber main body. According to the length of each chamber extension tube and the space in the chamber main body, a composite sound field characteristic generated in the earphone structure is adjusted and output by the multiple channel earphone.
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