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JP3900292B2 - Electronic keyboard instrument - Google Patents

Electronic keyboard instrument Download PDF

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JP3900292B2
JP3900292B2 JP2003408953A JP2003408953A JP3900292B2 JP 3900292 B2 JP3900292 B2 JP 3900292B2 JP 2003408953 A JP2003408953 A JP 2003408953A JP 2003408953 A JP2003408953 A JP 2003408953A JP 3900292 B2 JP3900292 B2 JP 3900292B2
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keyboard
keyboard instrument
instrument body
inclined surface
musical score
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JP2004086228A (en
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勉 中田
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Yamaha Corp
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Yamaha Corp
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Description

本発明は、操作パネル部に操作子群が配された電子鍵盤楽器に関する。   The present invention relates to an electronic keyboard instrument in which an operator group is arranged on an operation panel unit.

従来、下記特許文献1に示されるように、鍵盤部と、操作パネル部と、譜面受け部とを備えた電子鍵盤楽器が知られている。この種の電子鍵盤楽器では一般に、操作パネル部に楽音パラメータ等を制御するための操作子が配される。
特開平10−214087号公報
Conventionally, as shown in the following Patent Document 1, an electronic keyboard instrument having a keyboard part, an operation panel part, and a music score receiving part is known. In this type of electronic keyboard instrument, an operation panel for controlling musical tone parameters and the like is generally arranged on the operation panel unit.
Japanese Patent Laid-Open No. 10-214087

しかしながら、上記特許文献1の電子鍵盤楽器では、鍵盤楽器本体を平坦な床面で天地逆の状態にした場合、操作子や鍵盤(特に黒鍵)が押下された状態となり、故障の原因となるだけでなく、床面にも傷が付くという不具合がある。そのため、天地を逆にする保守点検は、専用の設置台や柔らかい毛布のようなものの上で行うのが通常であるが、ユーザにおいて不用意に天地逆の状態にする場合もあり、問題があった。   However, in the electronic keyboard instrument of the above-mentioned patent document 1, when the keyboard instrument body is turned upside down on a flat floor surface, an operator or a keyboard (particularly a black key) is pressed down, which causes a failure. Not only that, the floor surface is also damaged. For this reason, maintenance inspections that invert the top and bottom are usually performed on a dedicated installation table or a soft blanket. However, the user may inadvertently invert the top and bottom, causing problems. It was.

すなわち、楽器本体が天地逆の状態となると、操作子及び鍵盤部の故障や床面の損傷が生じるおそれがあるという問題があった。 That is, when the instrument body is turned upside down, there is a problem that the operator and the keyboard part may be broken or the floor may be damaged.

本発明は上記従来技術の問題を解決するためになされたものであり、その目的は、楽器本体が天地逆の状態になっても、操作子及び鍵盤部の故障や床面の損傷を防止することができる電子鍵盤楽器を提供することにある。 The present invention has been made in order to solve the above-described problems of the prior art, and its purpose is to prevent malfunction of the operator and the keyboard and damage to the floor even when the instrument body is upside down. An object of the present invention is to provide an electronic keyboard instrument.

上記目的を達成するために本発明の請求項1の電子鍵盤楽器は、鍵盤部と、操作子を設けた操作パネル部と、楽器本体の左右両端部に設けた拍子木と、前記鍵盤部の後方であって鍵の並び方向における前記楽器本体の略中央部に設けた突部とを備え、仮想の平面を前記左右両拍子木及び前記突部に上方から当接させたとき、前記操作パネル部に設けた前記操作子及び前記鍵盤部のいずれもが前記仮想の平面より上方に突出しないように前記操作子及び前記鍵盤部の高さを設定したことを特徴とする。 In order to achieve the above object, an electronic keyboard instrument according to claim 1 of the present invention includes a keyboard part, an operation panel part provided with an operation element, a time signature provided at both right and left ends of the instrument body, and a rear part of the keyboard part. And a protrusion provided at a substantially central portion of the instrument body in the key arrangement direction, and when the virtual plane is brought into contact with the left and right time signature trees and the protrusion from above, the operation panel portion The height of the operating element and the keyboard part is set so that neither the provided operating element nor the keyboard part protrudes above the virtual plane.

この構成により、楽器本体を不用意に天地逆にした場合でも、操作子及び鍵盤部が床面によって押下されることがなく操作子及び鍵盤部が保護され、保守点検も操作子や床面に損傷を与えることなく行うことができる。よって、楽器本体が天地逆の状態になっても、操作子及び鍵盤部の故障や床面の損傷を防止することができる。 With this configuration, even when the inadvertent upside down the musical instrument body, operator and are protected operator and the keyboard unit without being depressed by the keyboard unit floor surface, maintenance is also operator and the floor Can be done without damage. Therefore, even if the instrument main body is turned upside down, it is possible to prevent the operator and the keyboard part from being broken and the floor surface from being damaged.

なお、前記突部は譜面受け部または譜面受け部の頂部であってもよい。これにより、構成を簡単にすることができる。なお、この場合、前記操作子は、譜面受け部に配置してもよい。これにより、操作子の操作性を向上すると共に、鍵盤楽器の構成を簡単にし、コンパクトにすることができる。   The protrusion may be a music score receiving portion or the top of the music score receiving portion. Thereby, a structure can be simplified. In this case, the operation element may be arranged in a music score receiving portion. As a result, the operability of the operator can be improved, and the configuration of the keyboard instrument can be simplified and made compact.

本発明の請求項1に係る電子鍵盤楽器によれば、楽器本体が天地逆の状態になっても、操作子及び鍵盤部の故障や床面の損傷を防止することができる。 According to the electronic keyboard musical instrument of the first aspect of the present invention, even if the musical instrument main body is turned upside down, it is possible to prevent the operator and the keyboard from being broken and the floor surface from being damaged.

以下、本発明の実施の形態を図面を参照して説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

図1は、本発明の一実施の形態に係る譜面受けが取り付けられた鍵盤楽器本体を上方からみた平面図である。図2は、同鍵盤楽器本体を左側(図1のZ方向視)からみた側面図である。なお、後述する譜面板6及び譜面7は図2にのみ示され、図1では省略されている。本実施の形態において、鍵先端部側、すなわち演奏者側を前方と称し、鍵先端からみて鍵基端部側を後方と称する。   FIG. 1 is a plan view of a keyboard instrument body to which a musical score holder according to an embodiment of the present invention is attached as viewed from above. FIG. 2 is a side view of the keyboard instrument body as viewed from the left side (viewed in the Z direction in FIG. 1). Note that a musical score plate 6 and a musical score 7 which will be described later are shown only in FIG. 2 and are omitted in FIG. In the present embodiment, the key front end side, that is, the player side is referred to as the front, and the key base end side as viewed from the key front end is referred to as the rear.

鍵盤楽器本体1は、例えば電子ピアノであり、図1に示すように、鍵盤2(鍵盤部)を有する。上ケース3には一体パネル4が設けられている。一体パネル4は、鍵盤2の鍵並び方向における略中央部よりやや後方に設けられる。一体パネル4は、鍵盤楽器本体1とは別個に一体に形成された部品であり、上ケース3に不図示のネジで取り付けられている。鍵盤楽器本体1の左右両端部には拍子木8が設けられている。   The keyboard instrument main body 1 is, for example, an electronic piano, and has a keyboard 2 (keyboard portion) as shown in FIG. The upper case 3 is provided with an integral panel 4. The integrated panel 4 is provided slightly behind the substantially central portion in the key arrangement direction of the keyboard 2. The integrated panel 4 is a component that is integrally formed separately from the keyboard instrument body 1 and is attached to the upper case 3 with screws (not shown). At the left and right ends of the keyboard instrument body 1 are provided time signatures 8.

一体パネル4は、図2に示すように、断面が略三角形の山形状に形成され、2つの傾斜面を有する。一方の傾斜面は、前方傾斜面4a(操作パネル部)であり、この前方傾斜面4aは、鍵盤楽器本体1の前方にいくにつれて下方に傾斜している。他方の傾斜面は後方傾斜面4b(譜面受け部)であり、この後方傾斜面4bは、鍵盤楽器本体1の後方にいくにつれて下方に傾斜している。前方傾斜面4a及び後方傾斜面4bによって規定される山形状断面の頂部が、鍵並び方向に延びる稜線4d(突部)を形成している。後方傾斜面4bの傾斜角は、後述する譜面7の滑りを防止し得る適当な値に設定されている。   As shown in FIG. 2, the integrated panel 4 is formed in a mountain shape having a substantially triangular cross section, and has two inclined surfaces. One inclined surface is a front inclined surface 4a (operation panel unit), and this front inclined surface 4a is inclined downward as it goes forward of the keyboard instrument body 1. The other inclined surface is a rear inclined surface 4 b (musical score receiving portion), and this rear inclined surface 4 b is inclined downward as going to the rear of the keyboard instrument body 1. The top part of the mountain-shaped cross section prescribed | regulated by the front inclined surface 4a and the back inclined surface 4b forms the ridgeline 4d (projection part) extended in a key row direction. The inclination angle of the rear inclined surface 4b is set to an appropriate value that can prevent the music sheet 7 described later from slipping.

前方傾斜面4aには、図1に示すように、音色選択や各種モード設定、楽音パラメータ制御のためのスイッチ群5(操作子)の全てが集中配置されており、従って、前方傾斜面4aに本鍵盤楽器本体1の操作パネル部が配された形態となっている。これにより、鍵盤楽器本体1をコンパクトにすると共に、スイッチ群5の操作性を向上させている。また、譜面7から目を大きく離さなくて済むことから、円滑な演奏にも寄与している。前方傾斜面4aの傾斜角は、演奏者にとって視認しやすく、且つ操作しやすい適値に設定されている。   As shown in FIG. 1, all the switch groups 5 (operators) for tone selection, various mode settings, and musical tone parameter control are concentrated on the front inclined surface 4a. The operation panel unit of the keyboard instrument body 1 is arranged. Thus, the keyboard instrument body 1 is made compact and the operability of the switch group 5 is improved. Moreover, since it is not necessary to take a large eye off the music score 7, it contributes to smooth performance. The inclination angle of the front inclined surface 4a is set to an appropriate value that is easy for the player to visually recognize and operate.

一方、後方傾斜面4bには、係合溝4cが設けられている。係合溝4cは、後方傾斜面4bの麓部分において鍵並び方向に延設されている。図2に示すように、係合溝4cに、譜面板6の下端部6aを挿入勘合することにより、譜面板6が斜め上後方に向かう適当な角度で起立する。   On the other hand, an engagement groove 4c is provided on the rear inclined surface 4b. The engagement groove 4c extends in the key arrangement direction at the flange portion of the rear inclined surface 4b. As shown in FIG. 2, by inserting and fitting the lower end portion 6a of the musical score plate 6 into the engaging groove 4c, the musical score plate 6 stands up at an appropriate angle toward obliquely upward and rearward.

譜面7を使用する際は、譜面7の背面を譜面板6に当てると共に、譜面7の下端部7aを一体パネル4の後方傾斜面4b上に当接させて譜面7を載置する。後方傾斜面4bは、上述したように、鍵盤楽器本体1の後方にいくにつれて下方に適当に傾斜しているので、譜面7の下端部7aが前方に滑ることが防止されている。これにより、譜面7の安定した起立状態が維持される。   When using the musical score 7, the musical score 7 is placed with the back surface of the musical score 7 being in contact with the musical score plate 6 and with the lower end portion 7 a of the musical score 7 abutting on the rear inclined surface 4 b of the integrated panel 4. As described above, the backward inclined surface 4b is appropriately inclined downward toward the rear of the keyboard instrument body 1, so that the lower end portion 7a of the musical score 7 is prevented from sliding forward. Thereby, the stable standing state of the musical score 7 is maintained.

図3は、鍵盤楽器本体1を天地逆にした状態を示す図である。同図では、譜面板6及び譜面7は省略されている。   FIG. 3 is a diagram illustrating a state in which the keyboard instrument body 1 is turned upside down. In the same figure, the musical score board 6 and the musical score 7 are omitted.

平坦な床面(仮想の平面)上で、鍵盤楽器本体1の天地を逆にすると、同図に示すように、一体パネル4の稜線4d(の少なくとも一部)と左右両拍子木8の各前端部8aとの少なくとも3カ所が床面に当接する。この状態で、一体パネル4に設けられたスイッチ群5はその先端部が床面に当接しないように高さ、位置、形状等が設定されている。鍵盤2の各鍵も同様に床面に当接しないように構成されている。   When the top and bottom of the keyboard instrument body 1 is reversed on a flat floor (virtual plane), the ridgeline 4d (at least part of) the integrated panel 4 and the front ends of the left and right time signature trees 8 as shown in FIG. At least three places with the portion 8a abut on the floor surface. In this state, the height, position, shape, and the like of the switch group 5 provided on the integrated panel 4 are set so that the tip portion thereof does not contact the floor surface. Similarly, each key of the keyboard 2 is configured not to contact the floor surface.

従来の鍵盤装置(例えば特開平10−214087号公報)では、鍵盤楽器本体を平坦な床面で天地逆の状態にした場合、操作子や鍵盤(特に黒鍵)が押下された状態となり、故障の原因となるだけでなく、床面にも傷が付くという不具合がある。そのため、天地を逆にする保守点検は、専用の設置台や柔らかい毛布のようなものの上で行うのが通常であるが、ユーザにおいて不用意に天地逆の状態にする場合もあり、問題があった。   In a conventional keyboard device (for example, Japanese Patent Application Laid-Open No. 10-214087), when the keyboard instrument body is turned upside down on a flat floor, an operator or a keyboard (especially a black key) is pressed and a failure occurs. In addition to causing damage, the floor surface is also damaged. For this reason, maintenance inspections that invert the top and bottom are usually performed on a dedicated installation table or a soft blanket. However, the user may inadvertently invert the top and bottom, causing problems. It was.

しかしながら、本実施の形態では、上述したように、スイッチ群5及び鍵盤2は、稜線4dと拍子木8の前端部8aとを含む仮想面から突出していないので、床面に当接しない。そのためスイッチ群5及び鍵盤2が保護されるだけでなく、鍵盤楽器本体1を引きずることによる床面の損傷を防止することができる。   However, in the present embodiment, as described above, the switch group 5 and the keyboard 2 do not protrude from the virtual surface including the ridge line 4d and the front end portion 8a of the beat tree 8, and thus do not contact the floor surface. Therefore, not only the switch group 5 and the keyboard 2 are protected, but also damage to the floor surface caused by dragging the keyboard instrument body 1 can be prevented.

本実施の形態によれば、スイッチ群5の操作性を向上すると共に円滑な演奏を確保することができる。すなわち、従来の電子鍵盤楽器では、各操作子が譜面受けの取り付け位置をよけて配置されているため、リアルタイムで演奏する場合、ある操作子から他の操作子までの距離が長い場合は、手の運びに時間がかかり、操作に遅れを生じがちであった。さらに、譜面受け部から離間した位置にある操作子を操作する場合は、譜面受け部から目を大きく離す必要があり、演奏にも支障が生じがちであった。ところが、本実施の形態においては、スイッチ群5が鍵盤2の略中央部後方において一体パネル4に配置されるので、スイッチ群5の操作が容易になる。特に、リアルタイムで演奏する場合、各スイッチ群5が中央部にあることにより、スイッチからスイッチへの手の運びが迅速に行え、左右端部にスイッチを設けた場合に比し操作遅れを生じにくい。また、譜面7からも目を大きく離さなくて済むため、演奏にも支障が少ない。よって、スイッチ群5の操作性を向上すると共に円滑な演奏を確保することができる。   According to the present embodiment, the operability of the switch group 5 can be improved and a smooth performance can be ensured. In other words, in the conventional electronic keyboard instrument, since each operation element is arranged away from the mounting position of the music rest, when playing in real time, if the distance from one operation element to another operation is long, It took time to carry the hand, and the operation was apt to be delayed. Furthermore, when operating an operator located at a position away from the music score receiving section, it is necessary to keep a large eye on the music score receiving section, which tends to cause trouble in performance. However, in the present embodiment, the switch group 5 is arranged on the integrated panel 4 at the rear of the substantially central portion of the keyboard 2, so that the operation of the switch group 5 is facilitated. In particular, when performing in real time, each switch group 5 is located in the center portion, so that the switch can be quickly moved from the switch to the switch, and operation delays are less likely to occur than when switches are provided at the left and right ends. . Moreover, since it is not necessary to keep a large eye on the music score 7, there is little trouble in performance. Therefore, the operability of the switch group 5 can be improved and a smooth performance can be ensured.

また、譜面受けとして機能する後方傾斜面4bと操作パネル部として機能する前方傾斜面4aとを一体パネル4として一体に形成したので、部品点数を削減して製造コストを低減することができると共に、スイッチ群5が鍵盤楽器本体1の中央部に集中して配置されるので、鍵盤楽器本体1をコンパクトにすることができる。さらに、上ケース3等の外装部にスイッチ群5を設けなくてもよい結果、鍵盤楽器本体1の内部構造の異なる複数種の機種間において、外装部を共通化して外装部製造用の金型を共用することができ、製造コストを一層低減することができる。   In addition, since the rear inclined surface 4b functioning as a music score holder and the front inclined surface 4a functioning as an operation panel unit are integrally formed as an integrated panel 4, the number of parts can be reduced and the manufacturing cost can be reduced. Since the switch group 5 is concentrated on the central portion of the keyboard instrument body 1, the keyboard instrument body 1 can be made compact. Further, as a result of not having to provide the switch group 5 on the exterior portion such as the upper case 3, the exterior portion is made common by using a common exterior portion among a plurality of models having different internal structures of the keyboard instrument body 1. Can be shared, and the manufacturing cost can be further reduced.

また、前方傾斜面4aの傾斜角が操作パネル部の視認性、操作性に寄与していることから、後方傾斜面4bを設ける上で、一体パネル4にある程度の高さが必要になることが支障にならず、むしろ好都合でもある。すなわち、本実施の形態のように、一体パネル4を断面略三角形の山形状にすれば、両傾斜面4a、4bの一方を設けるための高さを利用して他方の面を簡単に得ることができ、譜面7の安定保持機能とスイッチ群5の視認、操作機能の双方を同時に維持、向上するように設計、製造することが容易である。また、一体パネル4の高さが、鍵盤楽器本体1の天地を逆にした場合におけるスイッチ群5や鍵盤2の保護に寄与していることからも、設計、製造に一層有利といえる。   In addition, since the inclination angle of the front inclined surface 4a contributes to the visibility and operability of the operation panel portion, the integrated panel 4 needs to have a certain height when providing the rear inclined surface 4b. It does not hinder, but rather is convenient. That is, as in the present embodiment, if the integrated panel 4 has a mountain shape with a substantially triangular cross section, the other surface can be easily obtained by using the height for providing one of the inclined surfaces 4a and 4b. It is easy to design and manufacture so as to simultaneously maintain and improve both the stable holding function of the musical score 7 and the visual recognition and operation functions of the switch group 5. Further, since the height of the integrated panel 4 contributes to the protection of the switch group 5 and the keyboard 2 when the keyboard instrument body 1 is turned upside down, it can be said that it is more advantageous for design and manufacture.

なお、一体パネル4のスイッチ群5と鍵盤楽器本体1とを電気的に接続するためのコネクタ部と、一体パネル4を上ケース3に物理的に取り付けるための取り付け部とを、機種の異なる鍵盤楽器間で共通化し、同一の一体パネル4を複数の機種について共用化すれば、部品数削減により製造コストを一層低減することができる。この場合でも、鍵盤楽器本体1の内部構造の異なる複数種の機種間において、上ケース3等の外装部分を共通化することが容易になるから、外装部製造用の金型を共通化することができる等、製造コスト低減の手段を多数提供することができる。   It should be noted that a connector portion for electrically connecting the switch group 5 of the integrated panel 4 and the keyboard instrument main body 1 and a mounting portion for physically attaching the integrated panel 4 to the upper case 3 are different keyboards. If it is made common among musical instruments and the same integrated panel 4 is shared by a plurality of models, the manufacturing cost can be further reduced by reducing the number of parts. Even in this case, since it becomes easy to share the exterior part such as the upper case 3 among a plurality of types of models having different internal structures of the keyboard instrument body 1, it is necessary to share the mold for manufacturing the exterior part. It is possible to provide many means for reducing the manufacturing cost.

なお、製造コストの低減、及び鍵盤楽器本体1のコンパクト化のためには、譜面7の安定保持機能を有しつつスイッチ群5を配置した一体パネル4を一体に形成すれば足り、上記例示した実施の形態に限られない。すなわち、後方傾斜面4bは、譜面7が滑ることなく保持される形態であればよく、例えば譜面7の下端部7aと係合する突起部や突条部等を一体パネル4に一体に形成してもよい。また、前方傾斜面4aのような傾斜面は、必ずしも設けなくても良く、スイッチ群5が単に一体パネル4に設けた平坦部に配置されているものであってもよい。   In addition, in order to reduce the manufacturing cost and make the keyboard instrument body 1 compact, it is sufficient to integrally form the integrated panel 4 having the switch group 5 and having the function of stably holding the musical score 7 as described above. It is not limited to the embodiment. That is, the rear inclined surface 4b may be in a form in which the musical score 7 is held without slipping. For example, a protrusion or a protrusion that engages with the lower end 7a of the musical score 7 is formed integrally with the integrated panel 4. May be. In addition, an inclined surface such as the front inclined surface 4 a is not necessarily provided, and the switch group 5 may be simply disposed on a flat portion provided on the integrated panel 4.

なお、拍子木8の前端部8aに突起部を設け、鍵盤楽器本体1を天地逆にしたとき、この突起部が一体パネル4の稜線4dと共に床面に当接するようにしてもよい。   Note that a protrusion may be provided at the front end 8a of the beat tree 8 so that when the keyboard instrument body 1 is turned upside down, this protrusion abuts the floor surface together with the ridgeline 4d of the integrated panel 4.

なお、鍵盤2の黒鍵はそれ自身ストロークを持っているので、鍵盤楽器本体1を天地逆にしたとき、鍵盤2の黒鍵が床面に多少当接する程度であれば問題はない。   Since the black key of the keyboard 2 has its own stroke, there is no problem as long as the black key of the keyboard 2 is slightly in contact with the floor surface when the keyboard instrument body 1 is turned upside down.

本発明の一実施の形態に係る譜面受けが取り付けられた鍵盤楽器本体を上方からみた平面図である。It is the top view which looked at the keyboard musical instrument main body with which the musical score receptacle which concerns on one embodiment of this invention was attached. 同鍵盤楽器本体を左側(Z方向視)からみた側面図である。It is the side view which looked at the keyboard instrument main body from the left side (Z direction view). 同鍵盤楽器本体を天地逆にした状態を示す図である。It is a figure which shows the state which turned the keyboard musical instrument main body upside down.

符号の説明Explanation of symbols

1 鍵盤楽器本体、 2 鍵盤(鍵盤部)、 3 上ケース、 4 一体パネル、 4a 前方傾斜面(操作パネル部)、 4b 後方傾斜面(譜面受け部)、 4c 係合溝、 4d 稜線(突部)、 5 スイッチ群(操作子)、 6 譜面板、 7 楽譜、 8 拍子木、 8a 前端部   DESCRIPTION OF SYMBOLS 1 Keyboard instrument body, 2 Keyboard (keyboard part), 3 Upper case, 4 Integrated panel, 4a Front inclined surface (operation panel part), 4b Back inclined surface (musical score receiving part), 4c Engaging groove, 4d Ridge line (projection part) ), 5 switch group (operator), 6 musical score board, 7 musical score, 8 time signature tree, 8a front end

Claims (1)

鍵盤部と、
操作子を設けた操作パネル部と、
楽器本体の左右両端部に設けた拍子木と、
前記鍵盤部の後方であって鍵の並び方向における前記楽器本体の略中央部に設けた突部とを備え、
仮想の平面を前記左右両拍子木及び前記突部に上方から当接させたとき、前記操作パネル部に設けた前記操作子及び前記鍵盤部のいずれもが前記仮想の平面より上方に突出しないように前記操作子及び前記鍵盤部の高さを設定したことを特徴とする電子鍵盤楽器。
Keyboard part,
An operation panel provided with an operator, and
The time tree provided at the left and right ends of the instrument body,
A protrusion provided behind the keyboard portion and at a substantially central portion of the instrument body in the direction of key arrangement,
When an imaginary plane is brought into contact with the left and right time signature trees and the protrusion from above , neither the operation element provided on the operation panel unit nor the keyboard part protrudes above the imaginary plane. An electronic keyboard instrument in which heights of the operation element and the keyboard part are set.
JP2003408953A 2003-12-08 2003-12-08 Electronic keyboard instrument Expired - Fee Related JP3900292B2 (en)

Priority Applications (1)

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JP2003408953A JP3900292B2 (en) 2003-12-08 2003-12-08 Electronic keyboard instrument

Related Parent Applications (1)

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JP05398099A Division JP3613059B2 (en) 1999-03-02 1999-03-02 Electronic keyboard instrument

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JP2004086228A JP2004086228A (en) 2004-03-18
JP3900292B2 true JP3900292B2 (en) 2007-04-04

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD668708S1 (en) * 2011-06-17 2012-10-09 Ion Audio, Llc, A Limited Liability Company Of The State Of Florida Keyboard
USD668709S1 (en) * 2011-12-08 2012-10-09 Numark Industries, L.P. Keyboard

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