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1. 发明授权

US08541672B2 Pedal apparatus of electronic musical instrument 有权
标题翻译：电子乐器踏板装置
公开(公告)号：US08541672B2
公开(公告)日：2013-09-24
申请号：US13035458
申请日：2011-02-25
申请人： Toshiyuki Iwamoto , Mitsuru Kitajima , Shigeru Muramatsu , Koichi Saigo
发明人： Toshiyuki Iwamoto , Mitsuru Kitajima , Shigeru Muramatsu , Koichi Saigo
IPC分类号： G10C3/26
CPC分类号： G10H1/348 , G10H1/346
摘要： A lever is supported by a lever supporting portion. The lever is urged by a first spring and a second spring. The urging force of the first spring varies over the entire operational range of the lever. The second spring and a third spring are provided serially through a movable supporting member. The displacement of the movable supporting member is restricted by a fixed supporting member. If the urging force of the second spring exceeds the urging force of the third spring, the restriction on the displacement of the movable supporting member is removed. Therefore, the present configuration provides a player with feeling similar to that the player perceives when he manipulates a damper pedal of an acoustic piano.
摘要翻译：杠杆由杠杆支撑部分支撑。杆被第一弹簧和第二弹簧推动。第一弹簧的推动力在杠杆的整个操作范围内变化。第二弹簧和第三弹簧串联地设置在可动支承部件上。可移动支撑构件的位移由固定的支撑构件限制。如果第二弹簧的作用力超过第三弹簧的作用力，则可移动支撑构件的移动限制被去除。因此，本配置为玩家提供了当他操纵原声钢琴的减震踏板时感觉类似的玩家的感觉。

2. 发明申请

US20110138987A1 PEDAL APPARATUS OF ELECTRONIC MUSICAL INSTRUMENT 有权
标题翻译：电子乐器PEDAL装置
公开(公告)号：US20110138987A1
公开(公告)日：2011-06-16
申请号：US13035458
申请日：2011-02-25
申请人： Toshiyuki IWAMOTO , Mitsuru KITAJIMA , Shigeru MURAMATSU , Koichi SAIGO
发明人： Toshiyuki IWAMOTO , Mitsuru KITAJIMA , Shigeru MURAMATSU , Koichi SAIGO
IPC分类号： G10C3/26
CPC分类号： G10H1/348 , G10H1/346
摘要： A lever is supported by a lever supporting portion. The lever is urged by a first spring and a second spring. The urging force of the first spring varies over the entire operational range of the lever. The second spring and a third spring are provided serially through a movable supporting member. The displacement of the movable supporting member is restricted by a fixed supporting member. If the urging force of the second spring exceeds the urging force of the third spring, the restriction on the displacement of the movable supporting member is removed. Therefore, the present configuration provides a player with feeling similar to that the player perceives when he manipulates a damper pedal of an acoustic piano.
摘要翻译：杠杆由杠杆支撑部分支撑。杆被第一弹簧和第二弹簧推动。第一弹簧的推动力在杠杆的整个操作范围内变化。第二弹簧和第三弹簧串联地设置在可动支承部件上。可移动支撑构件的位移由固定的支撑构件限制。如果第二弹簧的作用力超过第三弹簧的作用力，则可移动支撑构件的移动限制被去除。因此，本配置为玩家提供了当他操纵原声钢琴的减震踏板时感觉类似的玩家的感觉。

3. 发明授权

US07956261B2 Pedal apparatus of electronic musical instrument 有权
标题翻译：电子乐器踏板装置
公开(公告)号：US07956261B2
公开(公告)日：2011-06-07
申请号：US12408904
申请日：2009-03-23
申请人： Toshiyuki Iwamoto , Mitsuru Kitajima , Shigeru Muramatsu , Koichi Saigo
发明人： Toshiyuki Iwamoto , Mitsuru Kitajima , Shigeru Muramatsu , Koichi Saigo
IPC分类号： G10D3/00
CPC分类号： G10H1/348 , G10H1/346
摘要： A lever 40 is supported by a lever supporting portion 41. The lever 40 is urged by a first spring 45 and a second spring 46. The urging force of the first spring 45 varies over the entire operational range of the lever 40. The second spring 46 and a third spring 47 are provided serially through a movable supporting member 48. The displacement of the movable supporting member 48 is restricted by a fixed supporting member FR. If the urging force of the second spring 46 exceeds the urging force of the third spring 47, the restriction on the displacement of the movable supporting member 48 is removed. Therefore, the present invention provides a player with feeling similar to that the player perceives when he manipulates a damper pedal of an acoustic piano.
摘要翻译：杠杆40由杠杆支撑部分41支撑。杠杆40由第一弹簧45和第二弹簧46推动。第一弹簧45的推力在杆40的整个操作范围内变化。第二弹簧 46和第三弹簧47串联地设置通过可动支撑构件48.可动支撑构件48的位移受到固定支撑构件FR的限制。如果第二弹簧46的作用力超过第三弹簧47的作用力，则可移动支撑构件48的移动限制被去除。因此，本发明提供一种玩家，其具有与玩家在操纵原声钢琴的减震踏板时感觉到的感觉相似的感觉。

4. 发明申请

US20090235803A1 PEDAL APPARATUS OF ELECTRONIC MUSICAL INSTRUMENT 有权
标题翻译：电子乐器PEDAL装置
公开(公告)号：US20090235803A1
公开(公告)日：2009-09-24
申请号：US12408904
申请日：2009-03-23
申请人： Toshiyuki IWAMOTO , Mitsuru KITAJIMA , Shigeru MURAMATSU , Koichi SAIGO
发明人： Toshiyuki IWAMOTO , Mitsuru KITAJIMA , Shigeru MURAMATSU , Koichi SAIGO
IPC分类号： G10C3/26
CPC分类号： G10H1/348 , G10H1/346
摘要： A lever 40 is supported by a lever supporting portion 41. The lever 40 is urged by a first spring 45 and a second spring 46. The urging force of the first spring 45 varies over the entire operational range of the lever 40. The second spring 46 and a third spring 47 are provided serially through a movable supporting member 48. The displacement of the movable supporting member 48 is restricted by a fixed supporting member FR. If the urging force of the second spring 46 exceeds the urging force of the third spring 47, the restriction on the displacement of the movable supporting member 48 is removed. Therefore, the present invention provides a player with feeling similar to that the player perceives when he manipulates a damper pedal of an acoustic piano.
摘要翻译：杠杆40由杠杆支撑部分41支撑。杠杆40由第一弹簧45和第二弹簧46推动。第一弹簧45的推力在杆40的整个操作范围内变化。第二弹簧 46和第三弹簧47串联地设置通过可动支撑构件48.可动支撑构件48的位移受到固定支撑构件FR的限制。如果第二弹簧46的作用力超过第三弹簧47的作用力，则可移动支撑构件48的移动限制被去除。因此，本发明提供一种玩家，其具有与玩家在操纵原声钢琴的减震踏板时感觉到的感觉相似的感觉。

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