公开(公告)号：US20240428763A1

公开(公告)日：2024-12-26

申请号：US18743816

申请日：2024-06-14

Applicant: CASIO COMPUTER CO., LTD.

Inventor： Chihaya SAKATA

IPC: G10H1/34

Abstract: The present disclosure relates to a keyboard device and an electronic musical instrument. The keyboard device includes a keyboard including a plurality of keys, a hammer configured to rotate in response to a keyboard operation around an axis in a direction in which the plurality of keys are aligned, and a key press stopper configured to come into contact with the hammer to restrict the rotation of the hammer upon key press. The hammer has a protrusion that protrudes toward a side in which the hammer comes into contact with the key press stopper relative to a contact portion being configured to come into contact with the key press stopper.

公开(公告)号：US20160225550A1

公开(公告)日：2016-08-04

申请号：US14991136

申请日：2016-01-08

Applicant: CASIO COMPUTER CO., LTD.

Inventor： Takashi HINOOKA ,  Chihaya SAKATA ,  Shinichi TAMAMOTO ,  Atsushi TSUCHIYA

IPC: H01H13/04 ,  H01H13/70 ,  H01H13/50

CPC classification number: H01H13/7057 ,  G06F1/1656 ,  G06F1/1662 ,  G06F15/02 ,  H01H2223/002 ,  H01H2223/034 ,  H01H2223/04 ,  H01H2231/002 ,  H05K5/0017 ,  H05K5/061

Abstract: An electronic device includes a casing having an opening; a circuit board having a plurality of electrodes, which is provided inside the casing; a contact member having a plurality of contact points corresponding to the electrodes, which is provided so as to seal the opening; and a key unit (press-key unit) having a key operation unit corresponding to the contact points, which is provided to the opening. The key unit (press-key unit) is attached to the opening detachably.

Abstract translation: 电子设备包括具有开口的壳体; 电路板，其具有设置在所述壳体内部的多个电极; 接触构件，其具有与电极对应的多个接触点，其被设置为密封开口; 以及具有与提供给开口的接触点对应的键操作单元的按键单元（按键单元）。 钥匙单元（按键单元）可拆卸地安装在开口上。