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Development of advanced rectangular microspeakers used for wide liquid-crystal display mobile phones
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10.1063/1.3536820
/content/aip/journal/jap/109/7/10.1063/1.3536820
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/7/10.1063/1.3536820

Figures

Image of FIG. 1.
FIG. 1.

Schematics of magnetic circuits: (a) conventional type and (b) proposed type.

Image of FIG. 2.
FIG. 2.

Magnetic flux density distribution in the (a) conventional and (b) proposed types of microspeaker.

Image of FIG. 3.
FIG. 3.

Mean value flux density with respect to the voice coil displacement.

Image of FIG. 4.
FIG. 4.

Magnetic force with respect to the voice coil displacement.

Image of FIG. 5.
FIG. 5.

SPL results achieved using a mathematical approach.

Image of FIG. 6.
FIG. 6.

Experimental setup.

Image of FIG. 7.
FIG. 7.

Experimental results.

Image of FIG. 8.
FIG. 8.

Photographs of parts of each microspeaker: (a) conventional type and (b) proposed type.

Tables

Generic image for table
Table I.

Specifications of two types of microspeakers.

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/content/aip/journal/jap/109/7/10.1063/1.3536820
2011-03-21
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Development of advanced rectangular microspeakers used for wide liquid-crystal display mobile phones
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/7/10.1063/1.3536820
10.1063/1.3536820
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