PANASONIC ELECTRONIC DEVICES CO., LTD.
PANASONIC ELECTRONIC DEVICES CO., LTD. Patent applications | ||
Patent application number | Title | Published |
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20090116682 | Speaker and Method of Manufacturing the Same - Provided is a loudspeaker using a resin with adhesiveness as a surface treatment agent that has already been applied onto either of a diaphragm and a voice coil before bonding. Because this structure can reduce the weight of an adhesive agent used for bonding the diaphragm to the voice coil, a sound pressure level can be improved. | 05-07-2009 |