专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20230100217A1 KEYBOARD DEVICE FOR KEYBOARD INSTRUMENT 有权
公开(公告)号：US20230100217A1
公开(公告)日：2023-03-30
申请号：US17950928
申请日：2022-09-22
申请人： KABUSHIKI KAISHA KAWAI GAKKI SEISAKUSHO
发明人： Tsutomu YAMAGUCHI
IPC分类号： G10H1/34
摘要： A keyboard chassis has an upper limit stopper. A key extending a predetermined length in a front-rear direction is disposed on the keyboard chassis. A key support mechanism supports the key from below, and causes, upon depression of the key, the depressed key to operate such that the key pivotally moves about a virtual pivot located rearward of a rear end of the key. An upper limit position regulation portion provided on a lower portion of a front end of the key regulates an upper limit position thereof by contacting the upper limit stopper from below in a key-released state. A key rear-side stopper provided on the keyboard chassis is contacted by a rear end of the depressed key from below before the upper limit position regulation portion contacts the upper limit stopper, when the key returns to its original position before key depression.

2. 发明申请

US20230097821A1 KEYBOARD DEVICE FOR KEYBOARD INSTRUMENT 有权
公开(公告)号：US20230097821A1
公开(公告)日：2023-03-30
申请号：US17949979
申请日：2022-09-21
申请人： KABUSHIKI KAISHA KAWAI GAKKI SEISAKUSHO
发明人： Tsutomu YAMAGUCHI
IPC分类号： G10H1/34
摘要： A keyboard device for a keyboard instrument includes a keyboard chassis, a plurality of keys arranged side by side in an upper portion of the keyboard chassis, and a plurality of hammers provided in association with the plurality of keys, respectively. Each hammer is pivotally supported, below an associated key, via a hammer support shaft on the keyboard chassis, and is pivotally moves in a manner interlocked with depression of the associated key. For a predetermined first hammer, which is associated with a predetermined first key of the plurality of keys, and a predetermined second hammer, which is associated with a predetermined second key of the plurality of keys, respective angles of pivotal movement, caused by key depression, of the first hammer and the second hammer are set to be different from each other.

3. 发明申请

US20200307302A1 DECORATIVE MOLED ARTICLE 审中-公开
公开(公告)号：US20200307302A1
公开(公告)日：2020-10-01
申请号：US16825861
申请日：2020-03-20
申请人： KABUSHIKI KAISHA KAWAI GAKKI SEISAKUSHO
发明人： Kensuke Arai
IPC分类号： B44F1/06 , B32B21/08 , B32B21/14 , F21V9/08
摘要： A decorative molded article has a light source disposed on a back side, for causing different designs to appear on a front surface side thereof, when the light source is off and when on, respectively. A base made of a predetermined synthetic resin permeable to light from the light source is disposed close to the light source. A wood veneer having a grain and permeable to light from the light source is disposed on a front side of the base. A colored coating layer is formed on a front side of the base using a paint having a predetermined color and a clear coating layer is formed on a front side of the colored coating layer using a transparent clear paint. The colored coating layer makes the grain difficult to visually recognize when the light source is off and visually recognizable when on.

4. 发明申请

US20200302899A1 UPRIGHT KEYBOARD INSTRUMENT 审中-公开
公开(公告)号：US20200302899A1
公开(公告)日：2020-09-24
申请号：US16823189
申请日：2020-03-18
申请人： KABUSHIKI KAISHA KAWAI GAKKI SEISAKUSHO
发明人： Mitsuo YAMASHITA , Hikari ICHIHARA
IPC分类号： G10C3/166 , G10C3/161 , G10C3/26 , G10C3/12
摘要： An upright keyboard instrument reduced in depth dimension and compact as a whole. Damper levers each extend in a vertical direction and are pivotally movably supported at or in the vicinity of a longitudinal center thereof, in a side-by-side arrangement in a left-right direction at a location rearward of actions. A damper rod extends in a left-right direction. A pedal rod extends in the vertical direction and is disposed forward of the damper levers, so as to be moved upward by depression of a pedal. A damper lever drive mechanism is provided between a longitudinal end of the damper rod and an upper end of the pedal rod and drives lower portions of the damper levers such that the lower portions are pressed rearward by moving the damper rod rearward in accordance with upward movement of the pedal rod.

5. 发明申请

US20200302898A1 TOUCH WEIGHT ADJUSTMENT MECHANISM FOR KEYBOARD DEVICE 审中-公开
公开(公告)号：US20200302898A1
公开(公告)日：2020-09-24
申请号：US16821569
申请日：2020-03-17
申请人： KABUSHIKI KAISHA KAWAI GAKKI SEISAKUSHO
发明人： Hanayo TSUZUKU , Yasushi TERAI , Mikhail Vasilievich PLETNEV
IPC分类号： G10C3/12 , G10H1/34
摘要： A touch weight adjustment mechanism for a keyboard device, which is capable of adjusting a touch weight of a key easily and appropriately by using a coil spring and changing the urging force of the spring. An adjustment spring is formed by a coil spring for causing a tensile force thereof to act on the key, thereby increasing the touch weight of the key. An adjustment shaft is formed in a rod shape and is movable in a lengthwise direction by being operated for rotation. A rotary connection member connects between one end of the adjustment spring and one end of the adjustment shaft, which are closest to each other, and a spring-side connecting portion thereof connected to the adjustment spring and a shaft-side connecting portion thereof connected to the adjustment shaft are rotatable relative to each other.

6. 发明授权

US09940916B2 Key guide structure for keyboard instrument 有权
公开(公告)号：US09940916B2
公开(公告)日：2018-04-10
申请号：US15459359
申请日：2017-03-15
申请人： KABUSHIKI KAISHA KAWAI GAKKI SEISAKUSHO
发明人： Akihiro Suzuki
IPC分类号： G10H1/32 , G10H3/00 , G10H1/34
CPC分类号： G10H1/34 , G10H1/346 , G10H2220/265
摘要： A key guide structure for a keyboard instrument, which is capable of stably and appropriately guiding a key pivotally moved by key depression without generating noise. The key guide structure has guide holders each erected below a guide recess of each key, and guide members mounted to tops of the guide holders, respectively, each for sliding contact with lateral inner side surfaces of the recess. Each guide member includes a body disposed between the lateral inner side surfaces of the recess with a predetermined clearance, two lateral flexible portions laterally flexible and extending from lateral ends of a front or rear surface of the body in a manner protruding in a front-rear direction, and two lateral contact portions which are provided at front ends of the flexible portions in a manner protruding sideward and are in contact with the lateral inner side surfaces of the recess.

7. 发明申请

US20180096671A1 STROKE ADJUSTMENT DEVICE FOR KEYBOARD INSTRUMENT 审中-公开
公开(公告)号：US20180096671A1
公开(公告)日：2018-04-05
申请号：US15706459
申请日：2017-09-15
申请人： KABUSHIKI KAISHA KAWAI GAKKI SEISAKUSHO
发明人： Hirotaka HIGASA
IPC分类号： G10C3/12 , G10C3/04 , G10C3/22
CPC分类号： G10C3/12 , G10C3/04 , G10C3/16 , G10C3/225
摘要： A stroke adjustment device for a keyboard instrument, which can finely adjust key depression stroke and hammer stroke to obtain sufficient controllability of weak tones during musical performance and make the dynamic range even wider. This device includes a lifting mechanism for lifting up and down a keyboard pillow on which rear ends of keys are placed, an operation mechanism manually operated for driving the lifting mechanism, and a driving force transmission mechanism for transmitting a driving force generated by operation of the operation mechanism to the lifting mechanism. The lifting mechanism has a rotating shaft body rotatably provided below the keyboard pillow, vertically movable rack parts in mesh with gear portions that rotate in unison with the rotating shaft, and a lifting part extending over the rack parts and vertically moving in unison with the rack parts to lift up and down the keyboard pillow.

8. 发明授权

US09305524B2 Electronic musical instrument 有权
标题翻译：电子乐器
公开(公告)号：US09305524B2
公开(公告)日：2016-04-05
申请号：US14835367
申请日：2015-08-25
申请人： Kabushiki Kaisha Kawai Gakki Seisakusho
发明人： Takuya Satoh
IPC分类号： G10H3/00 , G10C1/02
CPC分类号： G10C1/02 , G10C3/06 , G10H1/045 , G10H1/32 , G10H2210/265 , H04R1/028 , H04R1/227 , H04R1/26 , H04R3/08 , H04R7/045
摘要： An electronic musical instrument capable of suppressing resonance of a soundboard and reducing a peak dip of the frequency characteristic of a musical tone to enable excellent musical sound to be obtained. The soundboard has first and second ends which extend parallel to each other. The first and second ends are secured to a predetermined part of the instrument by first screws and second screws. A vibration exciter is provided on the soundboard and driven according to a musical tone signal to vibrate the soundboard to cause the soundboard to generate a musical tone. The first and second screws are arranged along the respective first and second ends in a staggered manner such that each first screw and each first screw are not opposed to each other in symmetrical relation in a direction orthogonal to the first and second ends.
摘要翻译：一种电子乐器，其能够抑制音板的共振，并减少乐音的频率特性的峰值下降，以获得优秀的音乐声音。音板具有彼此平行延伸的第一端和第二端。第一和第二端通过第一螺钉和第二螺钉固定到仪器的预定部分。振动激励器设置在音板上并根据乐音信号被驱动，以使声板振动，使声板产生乐音。第一螺钉和第二螺钉沿相应的第一和第二端以交错方式布置，使得每个第一螺钉和每个第一螺钉在与第一和第二端正交的方向上彼此不对称。

9. 发明授权

US09240171B1 Electronic musical instrument 有权
标题翻译：电子乐器
公开(公告)号：US09240171B1
公开(公告)日：2016-01-19
申请号：US14835325
申请日：2015-08-25
申请人： Kabushiki Kaisha Kawai Gakki Seisakusho
发明人： Takuya Satoh
IPC分类号： G10H1/32 , G10H3/00 , G10H1/02
CPC分类号： G10H1/32 , G10H3/22 , G10H2220/461 , G10H2230/011 , H04R1/26 , H04R1/2896
摘要： An electronic musical instrument capable of providing spatially spread and dynamic musical tones by causing mutual resonance of first and second vibration exciters for vibrating an opposition board and a soundboard opposed to each other, respectively. A first vibration exciter provided on a surface, opposed to a soundboard, of a opposition board, and driven according to a musical tone signal, for vibrating the opposition board to generate a musical tone, and a second vibration exciter provided on a surface, opposed to the opposition board, of the soundboard and driven according to the musical tone signal for vibrating the soundboard to generate a musical tone is connected by a connecting member for causes the first and second vibration exciters to resonate with each other.
摘要翻译：一种电子乐器，其能够通过使第一和第二振动激励器的相互共振分别提供相互对置的对立板和音板振动来提供空间扩展和动态乐音。第一振动激励器，设置在对面板的与音板相对的表面上，并且根据乐音信号被驱动，用于振动对面板以产生乐音;以及第二振动激励器，设置在表面上，相对的根据用于振动音板以产生乐音的音调信号驱动的音板的对讲板通过连接构件连接，以使第一和第二振动激励器彼此共鸣。

10. 发明授权

US09070346B2 White key for keyboard instrument 有权
标题翻译：键盘乐器的白键
公开(公告)号：US09070346B2
公开(公告)日：2015-06-30
申请号：US13964799
申请日：2013-08-12
申请人： KABUSHIKI KAISHA KAWAI GAKKI SEISAKUSHO
发明人： Masahiko Abiko
IPC分类号： G10C3/12
CPC分类号： G10C3/12
摘要： A white key for a keyboard instrument, which makes it possible to improve yield and marketability and reduce manufacturing costs. The white key for a keyboard instrument includes a wooden key body, a synthetic resin-made upper cover bonded to the key body, and a synthetic resin-made front cover bonded to a front end face of the key body. The upper cover has a protrusion protruding downward from a front end thereof, and the protrusion and an upper end of the front cover are in contact with each other via respective inclined surfaces formed on the protrusion and the upper end of the front cover.
摘要翻译：键盘乐器的白键，可以提高产量和市场，降低制造成本。键盘乐器的白键包括木键体，与键体接合的合成树脂制的上盖，以及与键体的前端面接合的合成树脂制的前盖。上盖具有从其前端向下突出的突起，并且前盖的突起和上端通过形成在突出部和前盖的上端上的相应倾斜面相互接触。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式