发明名称 |
Electronic keyboard musical instrument |
摘要 |
An electronic keyboard musical instrument, including: an instrument main body; a keyboard portion including a plurality of keys as performance operating elements; a musical-sound-signal generating portion configured to generate a musical sound signal by a key operation of the keyboard portion; and at least one planar speaker configured to output a sound in accordance with the musical sound signal generated by the musical-sound-signal generating portion, wherein the planar speaker is formed by superposing a plurality of flexible layers that at least include a vibrating layer and electrode layers which sandwich the vibrating layer from opposite sides of the vibrating layer and wherein the planar speaker is disposed at an inside of a casing that constitutes the instrument main body or disposed at a portion of a surface of the casing.
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申请公布号 |
US8502062(B2) |
申请公布日期 |
2013.08.06 |
申请号 |
US201113178586 |
申请日期 |
2011.07.08 |
申请人 |
MISHIMA JUNICHI;FUJITA TAKASHI;YAMAHA CORPORATION |
发明人 |
MISHIMA JUNICHI;FUJITA TAKASHI |
分类号 |
G10H1/32;G10H3/00 |
主分类号 |
G10H1/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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