发明名称 Keyboard apparatus
摘要 A keyboard apparatus that can be manufactured with a simple process at a low cost while still providing the feeling and appearance of high quality. In one embodiment of the invention, side surfaces of the white keys in the keyboard apparatus comprises a grained portion with a wood grain pattern. In this embodiment, when a white key is pressed down, the grained portion is visible from the side to give the appearance that the white keys are made from wood with a layer of white resin on the top and front surface. In another embodiment of the invention, a lower surface of a front end portion of the white keys is packed with a material such as resin. With this embodiment, when a performer's fingernail hits the top surface of the white keys while using the keyboard apparatus, the production of an unpleasant sound can be avoided.
申请公布号 US2006219085(A1) 申请公布日期 2006.10.05
申请号 US20060395424 申请日期 2006.03.31
申请人 ROLAND CORPORATION 发明人 KAMIJIMA YUJIRO;UNO SHIRO;SATO HITOSHI
分类号 G10C3/12 主分类号 G10C3/12
代理机构 代理人
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