CN101950552A - Keyboard device for electronic musical instrument - Google Patents
Keyboard device for electronic musical instrument Download PDFInfo
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- CN101950552A CN101950552A CN 201010185512 CN201010185512A CN101950552A CN 101950552 A CN101950552 A CN 101950552A CN 201010185512 CN201010185512 CN 201010185512 CN 201010185512 A CN201010185512 A CN 201010185512A CN 101950552 A CN101950552 A CN 101950552A
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- extension
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Abstract
The invention provides a keyboard device for an electronic musical instrument with light weight and low price. The keyboard frame comprises a front plate, a rear plate, a vertical plate, an extending set and a plurality of reinforced ribs. The width of the front and the rear plate at the length direction of the key is wide, and the front and the rear plate are extendingly disposed at the arranging direction of the key. The rear end of the front plate and the front end of the rear plate are extendingly disposed at the arranging direction of the key and are connected to a vertical plate. The width of the extending set at the length direction of the key is narrow , and is extendingly disposed at the arranging direction of the key at the position of leaving the front plate and heading to the front. The reinforced rib is a thin plate extendingly disposed at the arranging direction of the key with a regulated interval. The front plate, the rear plate and the extending set and the plurality of reinforced ribs are integrated into one piece by connection. A boss for assembling components is disposed at the connecting part of the reinforced rib and the extending set.
Description
Technical field
The present invention relates to the key board unit of electronic musical instruments such as electric organ, pianotron.
Background technology
In the past, shown in for example following patent documentation 1, the known key board unit that following electronic musical instrument is arranged, the key board unit of described electronic musical instrument has: a plurality of keys are carried out the operation of pushing and unclamping; Keyframe supports the leading section of a plurality of keys, the leading section of a plurality of keys can be shaken on above-below direction, and be assembled on the framework of electronic musical instrument.The keyframe of this key board unit forms as one, and is formed by resin.In addition, assembling has the substrate of key irradiation circuit on this keyframe, and described key irradiation circuit is in order to guide player's the operation that key is pushed, and the key that should push is carried out irradiation.
Patent documentation 1: specially permit communique No. 3651297.
Usually, be assembled on the keyframe parts as have be used to detect to key push and the substrate of the switch of the operation of unclamping, extend mostly and be arranged on transversely (orientation of key).In addition, for example such to the guiding elements that shakes channeling conduct of key, also exist corresponding to each key and arrange the parts that are arranged on transversely.Therefore, on keyframe, the support portion extension that is used for parts are supported is arranged on transversely.In above-mentioned key board unit in the past, utilize to extend a plurality of wall portion that is arranged on transversely, form laterally long recess and protuberance, with this recess and protuberance as the support portion that is used to assemble various parts, wherein, various parts comprise substrate, block etc., and described substrate has the key irradiation circuit that is used for player's performance channeling conduct, and described block is used for the displacement of key is limited.Therefore, the longitudinal profile of keyframe is complex-shaped, has the continuous each other part of a lot of each member supporting portion.Therefore, the keyframe of above-mentioned key board unit in the past needs a lot of resin materials, not only expends cost, and key board unit becomes heavy.
Summary of the invention
The present invention proposes in order to address the above problem, and its purpose is to provide the key board unit of a kind of light weight and low-cost electronic musical instrument.
In order to reach described purpose, the key board unit of electronic musical instrument of the present invention is characterised in that, have: a plurality of keys, be carried out the operation of pushing and unclamping, keyframe, leading section to a plurality of keys supports, and the leading section of described a plurality of keys can shake on above-below direction, and keyframe is assembled on the framework of electronic musical instrument; Keyframe is formed one, first extends the portion that is provided with and second extends and portion is set is connected with a plurality of reinforcements, wherein, described first extends the extension of the portion of setting is arranged in laterally (orientation of key), described second extends and the width of portion on fore-and-aft direction (key length direction) to be set than first extension width of portion on fore-and-aft direction to be set narrow, and be arranged on transversely in the position extension that escape to the place ahead from the first extension portion of setting, the interval that described a plurality of reinforcement separates regulation in the horizontal is provided with, and extension is arranged on the fore-and-aft direction, be provided with on the connecting portion of portion at the reinforcement and second extension, be provided for the boss of assembling parts integratedly.At this moment, in the time of can be on the framework that keyframe is assembled in electronic musical instrument, second extends the framework apart of portion from electronic musical instrument is set.In addition, at this moment, can assemble the substrate with key irradiation circuit on boss, described key irradiation circuit optionally carries out irradiation to key.In addition, at this moment, the stopper portions that the displacement that is used for a plurality of keys can be limited is arranged on second and extends the portion that is provided with.At this moment, can also have agitation member, shaking linkedly of described agitation member and key shaken, the displacement of stopper portions restriction agitation member.
According to the present invention of said structure, second extends the portion that is provided with extends than first at the width on the fore-and-aft direction that the width of portion on fore-and-aft direction is set is narrow, and is arranged on transversely extending the position extension that the portion of setting escape to the place ahead from first.That is, extend the portion that is provided with and second first and extend to be provided with big peristome is set between the portion, thereby compare with above-mentioned key board unit in the past, the wall portion that extension is arranged on transversely is few.Therefore, compare, can reduce the amount of the resin that is used to form keyframe with above-mentioned key board unit in the past.Therefore, the key board unit lightweight can be made, and cost can be suppressed.In addition, on extending the connecting portion of the portion that is provided with, reinforcement and second is provided with boss integratedly, fixed part on this boss (for example, key irradiation substrate).For second extension portion is set, compares with the pars intermedia between 2 adjacent reinforcements, reinforcement and second extends the intensity height of the connecting portion of the portion that is provided with.Owing on the high connecting portion of this intensity, boss is set, thus can not make second to extend under the situation of the portion's of setting distortion, will by screw with component-assembled on boss.And, owing to extending to be provided with stopper portions is set in the portion second, so compare, can dispose stopper portions efficiently, and make the key board unit lightweight with the situation that stopper portions is set in addition.
In addition, the Reference numeral in the described parantheses is used to be easy to the present invention is understood, the corresponding relation of expression and embodiment described later, and the present invention is not by this qualification.
Description of drawings
Fig. 1 is the right view of the key board unit of an embodiment of the invention.
Fig. 2 A is the vertical view of keyframe of the key board unit of Fig. 1.
Fig. 2 B is the cut-open view of observing along the B-B line of Fig. 2 A.
Fig. 3 is the enlarged side view of leading section of the key board unit of variation of the present invention.
Fig. 4 is the enlarged side view of leading section of the key board unit of other variation of the present invention.
Embodiment
Below, use description of drawings an embodiment of the invention.To be called " preceding " from a side (left side of Fig. 1) of the player front that the player observes, inboard (right side of Fig. 1) will be called " back ".In addition, will be called " right side ", left side (rear side of the paper of Fig. 1) will be called " left side " from the right side (face side of the paper of Fig. 1) that the player observes.And, will be called from the upside (upside of Fig. 1) that the player observes " on ", downside (downside of Fig. 1) is called D score.In addition, left and right directions is called laterally.Fig. 1 is a right view of observing the key board unit of present embodiment from the right side.This key board unit has a plurality of white keys and black key, but with key 11 the two is described.Key 11 is integrally formed as strip, and is formed by synthetic resin.Extend the upper wall of the wall thickness that is provided with before and after key 11 has and from about upper wall, hold the sidewall that extends the wall thickness that is provided with downwards respectively, thereby form open hollow form downwards.And key 11 is set at the key support portion 13 of the keyframe 12 of below and supports, and leading section can be that the center is shaken on above-below direction with the rotation center 14 of rearward end.
Shown in Fig. 2 A and Fig. 2 B, keyframe 12 is integrally formed by resin, and along the horizontal expansion setting.Fig. 2 A illustrates the key range of the part of the pars intermedia that is positioned at keyframe 12.Keyframe 12 has the header board 12a that width is wide and extension in the horizontal is provided with and the back plate 12b of fore-and-aft direction.Width on the fore-and-aft direction of back plate 12b is narrower than the width on the fore-and-aft direction of header board 12a.Above-mentioned key support portion 13 forms from the upper surface of back plate 12b outstanding upward corresponding to each key 11.Back plate 12b is positioned at the position higher than header board 12a, and the rear end of header board 12a links together by the vertical panel 12c that extension is arranged on transversely with the front end of back plate 12b.That is,, form end difference by header board 12a and back plate 12b on the top of keyframe 12.On the lower surface of header board 12a, back plate 12b and vertical panel 12c, connect the upper end of a plurality of reinforcement 12d.Reinforcement 12d is wall thickness in the horizontal, and extends and to be arranged on the fore-and-aft direction, and is set at the interval that is spaced laterally apart regulation.In addition, reinforcement 12d compares more forwards with the front end of header board 12a and stretches out.In addition, header board 12a and back plate 12b extend the portion that is provided with corresponding to of the present invention first.
The key guide portion 15 that is arranged on the front portion of keyframe 12 enters each key 11 respectively from the below, the leading section of each key 11 is by 15 guiding of key guide portion and shake on above-below direction when pressing key.Key guide portion 15 forms as one in the outstanding upward mode of upper surface that portion 16 is set from extension, described extension is provided with portion 16 and is arranged on transversely so that the upper end ways of connecting of adjacent reinforcement 12d is extended, and it is narrower than header board 12a and the width of back plate 12b on fore-and-aft direction at the width on the fore-and-aft direction that described extension is provided with portion 16.Drive division 17 extends setting downwards from the front portion of key 11.Drive division 17 has the antetheca of the wall thickness of extending setting up and down and holds the sidewall that rearward extends the wall thickness that is provided with respectively from about antetheca, thereby forms the hollow form of rearward opening.The lower end of drive division 17 is sealed by lower end wall.
Simulate the key sense of touch of acoustic piano (acoustic piano) in order to give inertial force, below key 11, be provided with the operation of pushing and unclamping of following key 11 and the walking bar rod 18 that shakes key 11.Walking bar rod 18 comprises plastic connecting rod base portion 18a and metal mass 18b.Connecting rod base portion 18a is tabular member, and described connecting rod base portion 18a utilizes the hook portion 18a1 that is arranged on its underpart, be supported in the link supports portion 20 of the bottom that is arranged at keyframe 12, and can be around the axis rotation of pin 20a.Link supports portion 20 forms as one in the outstanding upward mode of upper surface that portion 21 is set from extension, described extension is provided with portion 21 and is arranged on transversely so that the bottom ways of connecting of adjacent reinforcement 12d is extended, and the width that described extension is provided with on the fore-and-aft direction of portion 21 is narrower than the width on the fore-and-aft direction of header board 12a and back plate 12b.Be formed with boss 22 at reinforcement 12d with extending to be provided with on the connecting portion that portion 21 is connected.On the framework FR of electronic musical instrument through hole is set, not shown screw passes through this through hole from the below, and is screwed in the boss 22, thereby this key board unit is fixed on the framework FR of electronic musical instrument.In addition, extension is provided with portion 21 and corresponding to second extension of the present invention portion is set.
In addition, have a pair of 18a2 of foot, 18a3 up and down, make the 18a2 of foot that is positioned at the top form to such an extent that be shorter than the 18a3 of foot that is positioned at the below at the leading section of connecting rod base portion 18a.The lower end wall of drive division 17 enters between the 18a2 of foot, the 18a3.The 18a2 of foot enters between the midfeather of the lower end wall of drive division 17 and drive division 17, this midfeather in drive division 17 and and lower end wall between form the gap.On the lower end wall of drive division 17, embed and fixing impact absorbing materials such as rubber, urethanes (urethane), felt, thereby relax the impact that the collision because of the lower surface of the lower end of the collision of the upper surface of the lower end of drive division 17 and the 18a3 of foot and drive division 17 and the 18a2 of foot causes.When reverse keys 11, utilize the deadweight of walking bar rod 18, the displacement upward of the leading section of walking bar rod 18.At this moment, the 18a3 of foot is upward to drive division 17 application of forces, thus the displacement upward of the leading section of key 11.On the other hand, when pressing key 11, the upper surface of pressing part 18a3 is pressed in the lower surface of drive division 17, thus the displacement downwards of the leading section of walking bar rod 18.
Mass 18b forms tabular, is installed in the rear end of connecting rod base portion 18a.For all keys 11, weighing body 18b can be general, in addition, in order to simulate the touching sense of acoustic piano more faithfully, can according to key 11 or according to the key range mass 18b be alleviated according to the order of bass side to treble side.
In addition, extension is provided with portion 23 with the leading section ways of connecting with adjacent reinforcement 12d, extends to be arranged on transversely, and the width that extends on the fore-and-aft direction that portion 23 is set is narrower than the width on the fore-and-aft direction of header board 12a and back plate 12b.Be assembled at this key board unit under the state on the framework FR of electronic musical instrument, extend and portion 23 is set separates upward from framework FR.The upper surface that portion 23 is set in extension is assembled the white key irradiation substrate 24 of lighting and extinguishing the white key irradiation circuit of controlling that has light-emitting component (for example LED), described light-emitting component is in order to guide player's the operation that key is pushed, and corresponding to each white key setting.On extension is provided with portion 23 and coupling part that reinforcement 12d is connected, be wholely set boss 25, white key irradiation substrate 24 be fixed on the boss 25 by screw 26.In addition, need boss 25 be set with extending to be provided with on all coupling parts that portion 23 is connected, can only boss 25 be set at the regulation place at reinforcement 12d.But, because when the interval of each boss 25 was big, the substrate 24 between the boss 25 was crooked because of deadweight, so the mode that can for example fix 1～2 place with every octave by screw 26 is provided with boss 25.In addition, the lower surface of portion 23 is set in extension, in the horizontal expansion setting and be fixed with the strip that constitutes by impact absorbing materials such as felts on limited block 27.Should go up the leading section displacement upward of limited block 27 restriction walking bar rods 18, thus, the leading section displacement upward of the key 11 during the restriction reverse keys.In addition, extension is provided with portion 23 and corresponding to second extension of the present invention portion is set.
In addition, be provided with at the pars intermedia of each reinforcement 12d and be cut to square notch 12d1 from the upper end downwards.For by integrally formed this notch 12d1 that forms, be positioned at notch 12d1 above the pars intermedia of header board 12a, be provided with from upper surface and connect square through hole 12a1 to lower surface.Because Fig. 2 A represents to be positioned at the key range of a part of the pars intermedia of keyframe 12, so show the part of the through hole 12a1 of the right part of Fig. 2 A and left part.In addition, in the right part of header board 12a and the left part be provided with from right-hand member and the left end of header board 12a and be cut to square notch respectively to the inside, the right part of header board 12a and left part are positioned at the top of notch 12d1 of the reinforcement 12d of the right part that is in keyframe 12 and left part.And, at the lower surface of header board 12a, by the notch 12d1 of reinforcement 12d, in the horizontal expansion setting and be fixed with the following limited block 28 of the strip that constitutes by impact absorbing materials such as felts.The rear portion displacement upward of this time limited block 28 restriction walking bar rods 18, thereby the leading section displacement downwards of the key 11 during the restriction pressing key.
In addition, the lower surface at the pars intermedia of key 11 is provided with switch drive portion 29.Switch drive portion 29 and the upper surface butt that is configured in the switch 31 on the substrate 30.Switch 31 is provided with corresponding to each key 11, follows shaking of each key 11 to be pressed, to detect the releasing orientation of pushing of each key 11.In addition, at the pars intermedia of substrate 30, be provided with from upper surface with first maintaining part, 32 corresponding positions and connect square through hole 30a to lower surface.On the leading section of substrate 30, be provided with black key irradiation circuit.Black key irradiation circuit is lighted and is extinguished and control light-emitting component (for example LED), and light-emitting component is in order to guide player's the operation that key is pushed, and is provided with corresponding to each black key.Substrate 30 is kept by first maintaining part 32 and second maintaining part 33.
First maintaining part 32 and second maintaining part 33 form as one with keyframe 12.First maintaining part 32 is arranged on the front portion of header board 12a.Second maintaining part 33 is arranged on the end difference that is formed by the header board 12a of keyframe 12 and back plate 12b, and has the variant part 33a that elastic deformation takes place on fore-and-aft direction.Under the state that is assembled with substrate 30, elastic deformation takes place in variant part 33a, utilizes its elastic force, and substrate 30 is pushed to first maintaining part 32.Like this, the periphery of the through hole 30a of substrate 30 is kept by first maintaining part 32.In addition, the rearward end of substrate 30 is kept by second maintaining part 33.In addition, first maintaining part 32 and second maintaining part 33 compartment of terrain that separates regulation in the horizontal is separately positioned on many places.Wherein, first maintaining part 32 and second maintaining part 33 horizontal interval separately may not need uniformly-spaced, and interval separately can be different.
In the above-described embodiment, be provided with the portion 21 that is provided with of extending, described extension is provided with portion 21 and is arranged on transversely so that the bottom ways of connecting of adjacent reinforcement 12d is extended, and it is narrower than header board 12a and the width of back plate 12b on fore-and-aft direction at the width on the fore-and-aft direction that described extension is provided with portion 21.In addition, be provided with the portion 23 that is provided with of extending, described extension is provided with the leading section ways of connecting of portion 23 with the reinforcement 12d that will more forwards stretch out than the front end of header board 12a, extension is arranged on transversely, and it is narrower than header board 12a and the width of back plate 12b on fore-and-aft direction at the width on the fore-and-aft direction that described extension is provided with portion 23.And, in extension each parts of assembling in the portion 21,23 are set.And, be assembled at this key board unit under the state on the framework FR of electronic musical instrument, extend and portion 23 is set separates upward from the framework FR of electronic musical instrument, extend the below that portion 23 is set and become the space that the front end that is used to make walking bar rod 18 fluctuates.Therefore, compare, can reduce the amount of the resin that is used to form keyframe 12, therefore can make the key board unit lightweight with above-mentioned key board unit in the past.The cost that can suppress in addition, key board unit.And, be wholely set boss 25 at reinforcement 12d with extending to be provided with on the connecting portion that portion 23 is connected, on boss 25, fix white key irradiation substrate 24.Compare with the pars intermedia between adjacent 2 reinforcement 12d, extend the intensity height that the connecting portion that portion 23 is connected with reinforcement 12d is set.Because boss 25 is set on this connecting portion, can by screw 26 white key irradiation substrate 24 be assembled on the boss 25 not making under the situation of extending the portion that is provided with 23 distortion.In addition, because limited block 27 in the lower surface assembling of portion 23 is set in extension,, can disposes limited block 27 efficiently, so can make the key board unit lightweight so compare with the situation of the support portion that is provided for assembling limited block 27 in addition.
And enforcement of the present invention is not limited to above-mentioned embodiment, as long as do not breaking away from purpose of the present invention, can carry out various changes.
In the above-described embodiment, make the 18a3 of foot of the leading section that is arranged on walking bar rod 18 and be assembled in last limited block 27 butts that extend on the lower surface that portion 23 is set, thus the leading section displacement upward of restriction walking bar rod 18.But, as shown in Figure 3, can be provided with from the forwards outstanding teat 17a in the lower end of drive division 17, make upper surface and last limited block 27 butts of teat 17a.In addition, as shown in Figure 3, can be not the 18a2 of foot be set at the leading section of walking bar rod 18.Even such structure, key 11 displacement upward in the time of also can limiting reverse keys.
In addition, in the above-described embodiment, white key irradiation substrate 24 is assembled on the boss 25.But, as shown in Figure 4, in the key board unit that does not have the key illumination function, white key guide portion 35 can be assembled on the boss 25, described white key guide portion 35 is different from keyframe 12 and constitutes separately in addition, is used for the channeling conduct of shaking of dialogue key.White key guide portion 35 has the 35b of guide support portion, the width of the described guide support 35b of portion on fore-and-aft direction is narrow, and corresponding to each white key, the leading section that is arranged on base portion 35a transversely from extension extends setting upward, is formed with the guide portion 35c identical with key guide portion 15 in the upper end of the 35b of guide support portion.On base portion 35a, on the position corresponding, be provided with from upper surface and connect through hole 35al to lower surface with boss 25, make screw 36 be screwed into boss 25 by this through hole 35al, white key guide portion 35 is assembled in to extend thus and is provided with in the portion 23.At this moment, key guide portion 15 is only to the black key channeling conduct.If become such structure,, can guide the leading section of comparing the key farther with above-mentioned embodiment apart from the fulcrum of key for white key.Therefore, owing to can more effectively suppress the small in the horizontal displacement of white key, so can make shaking of Bai Jian more stable.
In addition, in above-mentioned embodiment and variation thereof, extension be provided with strip that the lower surface assembling of portion 23 is made of impact absorbing materials such as felts on limited block 27.But, replace in this, can constitute by resilient material and go up limited block, and by two looks shapings (two color molding) extension be provided with the lower surface of portion 23 integrally formed on limited block.If such structure, then can omit and will go up limited block 27 and be assembled in and extend the operation that is provided with in the portion 23, therefore can improve the assembleability of key board unit.
Claims (5)
1. the key board unit of an electronic musical instrument has:
A plurality of keys are carried out the operation of pushing and unclamping,
Keyframe supports the leading section of described a plurality of keys, and the leading section of described a plurality of keys can shake on above-below direction, and this keyframe is assembled on the framework of described electronic musical instrument;
It is characterized in that,
Described keyframe is formed one; First extends the section that arranges arranges section and is connected with a plurality of reinforcements with being connected to extend; Wherein, Described first extends the extension of the section of setting is arranged on transversely; Described second extends the section that arranges extends at the Width on the fore-and-aft direction described first that the width of section on fore-and-aft direction is set is narrow; And described second extends the section that arranges is arranged on transversely in the position extension that escape to the place ahead from the described first extension section of setting; The interval that described a plurality of reinforcement separates regulation in the horizontal arranges; And extension is arranged on the fore-and-aft direction
Be provided with on the connecting portion of portion at described reinforcement and described second extension, be provided with the boss that is used for assembling parts integratedly.
2. the key board unit of electronic musical instrument as claimed in claim 1 is characterized in that, in the time of on the framework that described keyframe is assembled in described electronic musical instrument, described second extends the framework that portion and described electronic musical instrument are set is separated.
3. the key board unit of electronic musical instrument as claimed in claim 1 or 2 is characterized in that, is assembled with the substrate with key irradiation circuit on described boss, and described key irradiation circuit optionally carries out irradiation to described key.
4. as the key board unit of each described electronic musical instrument in the claim 1 to 3, it is characterized in that, will be used for stopper portions that the displacement to described a plurality of keys limits and be arranged on described second and extend the portion that is provided with.
5. the key board unit of electronic musical instrument as claimed in claim 4 is characterized in that, also has agitation member, and shaking linkedly of described agitation member and described key shaken,
Described stopper portions limits the displacement of described agitation member.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009162553A JP5641177B2 (en) | 2009-07-09 | 2009-07-09 | Electronic musical instrument keyboard device |
| JP2009-162553 | 2009-07-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101950552A true CN101950552A (en) | 2011-01-19 |
| CN101950552B CN101950552B (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101855121A Active CN101950552B (en) | 2009-07-09 | 2010-05-21 | Keyboard device for electronic musical instrument |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5641177B2 (en) |
| CN (1) | CN101950552B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513568A (en) * | 2014-10-09 | 2016-04-20 | 雅马哈株式会社 | Keyboard device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5379587B2 (en) * | 2009-07-17 | 2013-12-25 | 株式会社河合楽器製作所 | Electronic keyboard instrument hammer |
| JP6787232B2 (en) * | 2017-04-04 | 2020-11-18 | ヤマハ株式会社 | Electronic musical instruments and keyboard devices |
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| JP2000242274A (en) * | 1999-02-17 | 2000-09-08 | Casio Comput Co Ltd | Electronic keyboard musical instrument |
| CN1797540A (en) * | 2004-12-28 | 2006-07-05 | 雅马哈株式会社 | Main case body of musical keyboard instrument |
| CN101320558A (en) * | 2007-06-07 | 2008-12-10 | 雅马哈株式会社 | Electronic musical instrument keyboard apparatus |
| CN101685625A (en) * | 2008-09-25 | 2010-03-31 | 雅马哈株式会社 | Keyboard device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2929994B2 (en) * | 1996-03-12 | 1999-08-03 | ヤマハ株式会社 | Keyboard device for musical instruments |
| JP2959495B2 (en) * | 1996-11-18 | 1999-10-06 | ヤマハ株式会社 | Key structure of keyboard instrument |
| JPH10198340A (en) * | 1997-01-10 | 1998-07-31 | Columbia Onkyo Kogyo Kk | Keyboard and electronic musical instrument equipped therewith |
| JP3402183B2 (en) * | 1998-01-28 | 2003-04-28 | ヤマハ株式会社 | Drive unit structure of keyboard device |
| JP2001265348A (en) * | 2000-03-23 | 2001-09-28 | Casio Comput Co Ltd | Keyboard device |
| JP4747994B2 (en) * | 2006-08-16 | 2011-08-17 | ヤマハ株式会社 | Electronic musical instruments |
| JP5200450B2 (en) * | 2006-09-21 | 2013-06-05 | ヤマハ株式会社 | Electronic keyboard instrument |
| JP4402140B2 (en) * | 2007-08-02 | 2010-01-20 | 株式会社河合楽器製作所 | Keyboard device for keyboard instrument |
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2009
- 2009-07-09 JP JP2009162553A patent/JP5641177B2/en active Active
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- 2010-05-21 CN CN2010101855121A patent/CN101950552B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000242274A (en) * | 1999-02-17 | 2000-09-08 | Casio Comput Co Ltd | Electronic keyboard musical instrument |
| CN1797540A (en) * | 2004-12-28 | 2006-07-05 | 雅马哈株式会社 | Main case body of musical keyboard instrument |
| CN101320558A (en) * | 2007-06-07 | 2008-12-10 | 雅马哈株式会社 | Electronic musical instrument keyboard apparatus |
| CN101685625A (en) * | 2008-09-25 | 2010-03-31 | 雅马哈株式会社 | Keyboard device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513568A (en) * | 2014-10-09 | 2016-04-20 | 雅马哈株式会社 | Keyboard device |
| CN105513568B (en) * | 2014-10-09 | 2019-06-11 | 雅马哈株式会社 | Key board unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5641177B2 (en) | 2014-12-17 |
| CN101950552B (en) | 2012-11-21 |
| JP2011017906A (en) | 2011-01-27 |
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