CN101950555B - Keyboard device for electronic musical instrument - Google Patents
Keyboard device for electronic musical instrument Download PDFInfo
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- CN101950555B CN101950555B CN2010101855140A CN201010185514A CN101950555B CN 101950555 B CN101950555 B CN 101950555B CN 2010101855140 A CN2010101855140 A CN 2010101855140A CN 201010185514 A CN201010185514 A CN 201010185514A CN 101950555 B CN101950555 B CN 101950555B
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- Prior art keywords
- key
- white
- black
- keyframe
- drive division
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/32—Constructional details
- G10H1/34—Switch arrangements, e.g. keyboards or mechanical switches specially adapted for electrophonic musical instruments
- G10H1/344—Structural association with individual keys
- G10H1/346—Keys with an arrangement for simulating the feeling of a piano key, e.g. using counterweights, springs, cams
Abstract
The invention provides a keyboard device for an electronic musical instrument, which lightens the keyboard device of the electronic musical instrument and reduces the cost through decreasing the sizes of a keyboard frame in a length direction of keys. The keyboard device is provided with a plurality of white keys and black keys moving up and down by the pressing and releasing of the keys. The keyboard device also comprises a connecting rod which shakes in linkage with each white key and black key. Each white key and black key are respectively provided with a white key drive part and a black key drive part which are used for driving the connecting rod, thereby the white key drive part and the black key drive part are arranged at the same position along the length direction of the key frame. An illuminative apparatus is provided for guiding the musical performance of a player. The illuminative apparatus for lighting the white keys is disposed at the front of the white key drive part and the black key drive part, and the illuminative apparatus for lighting the black keys is disposed at the back of the white key drive part and the black key drive part.
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 the for example following patent documentation 1, known had a following key board unit; Promptly; Extend to vertical lower from the bottom of each key drive division is set, said drive division is used for connecting rod is driven, said connecting rod and the shaking interlock of key and shake; Through being arranged on the peristome on the keyframe, the bottom of drive division is engaged with the leading section of connecting rod.In addition, shown in following patent documentation 2, it is also known for key board unit with light radiator, the operation of said light radiator in order to guide the player that key is pushed, and the key that should push is carried out irradiation.In these key board units, the position of the drive division of each white key on fore-and-aft direction is identical, and the position of the drive division of each black key on fore-and-aft direction is also identical, but the drive division of white key and the drive division of black key are separated from each other on fore-and-aft direction.In addition, shown in following patent documentation 1 and 2, it is also known for the key board unit that is provided with the key guide portion in the front portion of keyframe, said key guide portion and each key sliding contact come the channeling conduct of shaking to key.This key guide portion is provided with corresponding to each key, therefore in laterally (orientation of key) arrangement setting.In addition, the key guide portion of the key guide portion of Bai Jian and black key is separated from each other on fore-and-aft direction.
Patent documentation 1:JP spy opens flat 9-244623 communique.
No. 3651297 communique of patent documentation 2:JP patent.
But, in above-mentioned key board unit in the past, because the drive division of white key is separated from each other on fore-and-aft direction with the drive division of black key, so need be provided with and 2 row drive division corresponding opening portions in the front portion of keyframe.Therefore, owing in the front portion of key board unit, need big space at fore-and-aft direction, the size of the fore-and-aft direction of keyframe becomes greatly.In addition, because the key guide portion of Bai Jianyong and the key guide portion that black key is used also be separated from each other at fore-and-aft direction, so, also need guarantee and the corresponding space of 2 row key guide portion in the front portion of keyframe for the key guide portion is set.Especially, have the key board unit that is used for the light radiator of player's performance channeling conduct, the space that also must guarantee to be used to dispose light radiator in the front portion of keyframe, therefore, it is big that the size on the fore-and-aft direction of keyframe becomes.
Summary of the invention
The present invention is used to address the above problem and proposes; Its purpose is to provide a kind of key board unit of electronic musical instrument; It has light radiator, and said light radiator is for to player's performance channeling conduct and the corresponding key of pushing carries out irradiation, through the size on the fore-and-aft direction that reduces keyframe; Make the key board unit lightweight, and suppress cost.
In order to achieve the above object, the key board unit of electronic musical instrument of the present invention is characterised in that to have: a plurality of white keys and a plurality of black key; Because of the operation of key being pushed and unclamp is shaken on above-below direction, a plurality of connecting rods are driven by a plurality of white keys and a plurality of black key; And shake with shaking linkedly of a plurality of white keys and a plurality of black keys; Keyframe supports a plurality of white keys, a plurality of black key and a plurality of connecting rod, and is assembled on the framework of electronic musical instrument; Bai Jian has and is used for white key drive division that connecting rod is driven, and black key has and is used for black key drive division that connecting rod is driven, and white key drive division is identical with the position of black key drive division on fore-and-aft direction; And the key board unit of electronic musical instrument has: white key irradiation substrate; Be assembled with and be used for the light radiator that dialogue key optionally carries out irradiation, black key irradiation substrate is assembled with the light radiator that is used for optionally black key being carried out irradiation; The place ahead at white key drive division and black key drive division; White key irradiation substrate in batch is contained on the keyframe, and the rear at white key drive division and black key drive division is contained in black key irradiation substrate in batch on the keyframe.Thus, owing to make white key drive division identical, get final product with 1 row drive division corresponding opening portion in the setting of the front portion of keyframe with the position of black key drive division on fore-and-aft direction.Therefore, can further reduce size on the fore-and-aft direction of keyframe.Therefore, the key board unit lightweight can be further made, and the cost of key board unit can be further suppressed.
Other of the key board unit of electronic musical instrument of the present invention are characterised in that the key guide portion of shaking channeling conduct that also will be used for dialogue key and black key is arranged the same position on the fore-and-aft direction that is arranged on keyframe.Thus, since the key guide portion that key guide portion and the black key of Bai Jianyong are used arrange on the fore-and-aft direction that is arranged on keyframe on the same position, so guarantee to get final product with the corresponding space of 1 row key guide portion in the front portion of keyframe.Therefore, can reduce size on the fore-and-aft direction of keyframe.Therefore, the key board unit lightweight can be further made, and the cost of key board unit can be further suppressed.
Other of the key board unit of electronic musical instrument of the present invention are characterised in that, also assemble white key irradiation substrate at the leading section of keyframe, and the stopper portions of using the displacement to a plurality of white keys to limit is set below white key irradiation substrate.At this moment, can make the leading section of connecting rod be positioned at the below of white key irradiation substrate, between the leading section of white key irradiation substrate and connecting rod, be provided for the stopper portions that the displacement to a plurality of white keys and a plurality of black keys limits.Thus, owing to make the position on the fore-and-aft direction of white key irradiation substrate and stopper portions identical, so can further reduce the size of the fore-and-aft direction of keyframe.Therefore, the key board unit lightweight can be further made, and the cost of key board unit can be further suppressed.
In addition, other of the key board unit of electronic musical instrument of the present invention are characterised in that the keyframe utilization is arranged on the keyframe fixed part of the bottom of keyframe, be assembled on the framework of electronic musical instrument, keyframe than the keyframe fixed part part more on the front and the framework apart of electronic musical instrument.Thus, can reduce the amount of the resin material that is used to form keyframe.Therefore, the key board unit lightweight can be made, and the cost of key board unit can be suppressed.
In addition, the Reference numeral in the said parantheses is used to be easy to the present invention is understood, expression with after the corresponding relation of the embodiment stated, the present invention is not by this qualification.
Description of drawings
Figure 1A is the state behind the black key is unloaded in expression from this key board unit for the structure of the white key of key board unit that an embodiment of the invention are shown a right view.
Figure 1B is the state of Bai Jianhou is unloaded in expression from this key board unit for the structure of the black key of key board unit that an embodiment of the invention are shown a right view.
Fig. 2 A is the vertical view of keyframe of the key board unit of Figure 1A and Figure 1B.
Fig. 2 B is the cut-open view of observing along the B-B line of Fig. 2 A.
Fig. 3 A is the amplification right view of leading section of white key of the key board unit of variation of the present invention.
Fig. 3 B is the amplification right view of leading section of black key of the key board unit of variation of the present invention.
Embodiment
Below, use description of drawings an embodiment of the invention.In the explanation below, will be called " preceding ", inboard (right side of Figure 1A and Figure 1B) will be called " back " from a side (left side of Figure 1A and Figure 1B) of the player front that the player observes.In addition, will be called " right side ", left side (rear side of the paper of Figure 1A and Figure 1B) will be called " left side " from the right side (face side of the paper of Figure 1A and Figure 1B) that the player observes.And, will be called from the upside (upside of Figure 1A and Figure 1B) that the player observes " on ", downside (downside of Figure 1A and Figure 1B) is called D score.In addition, left and right directions is called laterally.
Figure 1A and Figure 1B are the right views of observing the key board unit of this embodiment from the right side.This key board unit has a plurality of white key 11a and black key 11b, in Figure 1A, has illustrated for the structure of representing white key 11a from this key board unit and has unloaded the state behind the black key 11b.On the other hand, in Figure 1B, illustrated for the structure of representing black key 11b from this key board unit and unloaded the state behind the Bai Jian 11a.White key 11a and black key 11b are integrally formed as strip by synthetic resin respectively.On fore-and-aft direction, Bai Jian 11a is longer than black key 11b.In addition, Bai Jian 11a is littler than the width of black key 11b on above-below direction at the width on the above-below direction, and Bai Jian width in the horizontal is bigger than black key 11b width in the horizontal.Extend the upper wall of the wall thickness that is provided with before and after white key 11a and black key 11b have and from about upper wall, hold the sidewall that extends the wall thickness that is provided with respectively downwards, thereby white key 11a and black key 11b form the hollow form of opening downwards.And Bai Jian 11a and black key 11b are set at the key support portion 13 of the keyframe 12 of below and support, 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 on 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 than the narrow width on the fore-and-aft direction of header board 12a.Said key support portion 13 forms the upper surface of the plate 12b from the back and gives prominence to the top.The upper end that on the lower surface of header board 12a and back plate 12b, connects a plurality of reinforcement 12d.Reinforcement 12d is in the transverse wall thickness, and extends upward setting in front and back, and is set to separate in the horizontal the interval of regulation.In addition, reinforcement 12d forwards stretches out from the front end of header board 12a.On its part of stretching out, the extension of stating after being provided with is provided with portion 16,21,23.
So that the part of below that is positioned at the upper end and is positioned at the leading section of black key 11b of adjacent reinforcement 12d is carried out ways of connecting, will extend the portion of setting 16 and extend and be arranged on transversely.Extend width on the fore-and-aft direction that portion 16 is set than the narrow width on the fore-and-aft direction of header board 12a and back plate 12b.Upper surface so that portion 16 to be set from extension forms key guide portion 15 to the outstanding mode in top, and said key guide portion 15 is used for the channeling conduct of shaking of dialogue key 11a and black key 11b.Key guide portion 15 gets into white key 11a and the black key 11b from the below, when key being pushed and unclamps, and the side of key guide portion 15 and the face sliding contact of the inboard of the sidewall of key 11a and black key 11b in vain.Thus, suppress key is pushed and white key 11a and black key 11b small displacement in the horizontal when unclamping.
In addition, be provided with drive division 17a from extending of white key 11a downwards at pars intermedia and in the front end of white key 11a and the part between the key guide portion 15.Extend below on drive division 17a has setting wall thickness antetheca and from about the antetheca end rearward extend the sidewall of the wall thickness that is provided with respectively, thereby said drive division 17a forms rearward open hollow form.The lower end of drive division 17a is sealed by lower end wall.On the other hand, black key 11b also has and the white identical drive division 17b of key 11a.Black key 11b has connecting portion, said connecting portion under the state of reverse keys than the upper surface of white key 11a more to above outstanding part (below, be called the visible section of black key 11b.) front end extend setting downwards, a little forwards crooked then, be connected with the upper end of drive division 17b at the front end of this connecting portion.Drive division 17a is identical with the position of the fore-and-aft direction of drive division 17b, and drive division 17a is also identical with the position of lower end wall on above-below direction of drive division 17b.That is, drive division 17a, 17b are positioned at the place ahead of front end of the visible section of black key 11b.In the peristome that is arranged at the upper and lower opening that extends the front side that portion 16 is set, the bottom of drive division 17a, 17b engages with the leading section of connecting rod 18.
Connecting rod 18 is followed key is pushed and the operation of unclamping and shaking, and gives inertial force to each key.Simulate the touching sense of acoustic piano (acoustic piano) thus.Connecting rod 18 comprises plastic connecting rod base portion 18a and metal mass 18b.Connecting rod base portion 18a is tabular member, and said connecting rod base portion 18a utilizes and is arranged on the hook portion 18a1 of its underpart, and is 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 to the outstanding mode in top with the upper surface that portion 21 is set from extension; Said 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 said extension is provided with width on the fore-and-aft direction of portion 21 than the narrow width on the fore-and-aft direction of header board 12a and back plate 12b.The turning axle of the walking bar rod 18 of white key 11a and black key 11b is promptly sold 20a and is arranged on the same position on the fore-and-aft direction that is arranged on keyframe 12.Be formed with boss 22 at reinforcement 12d with extending on the connecting portion that portion 21 is set.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, have a pair of 18a2 of foot, 18a3 up and down at the leading section of connecting rod base portion 18a, the 18a2 of foot that is positioned at the top forms to such an extent that be shorter than the 18a3 of foot that is positioned at the below.The lower end wall of drive division 17a, 17b gets between the 18a2 of foot, the 18a3.Between the midfeather of the lower end wall of the 18a2 of foot entering drive division 17a, 17b and drive division 17a, 17b, said midfeather also and between the lower end wall forms the gap in drive division 17a, 17b.On the lower end wall of drive division 17a, 17b, 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 17a, 17b and the 18a3 of foot and drive division 17a, 17b and the 18a2 of foot causes.When unclamping Bai Jian 11a and black key 11b, utilize the deadweight of connecting rod 18, the leading section of connecting rod 18 is to the top displacement.At this moment, the 18a3 of foot to the top to drive division 17a, the 17b application of force, thereby the leading section of white key 11a and black key 11b is to the top displacement.On the other hand, when pushing Bai Jian 11a and black key 11b, the upper surface of pressing part 18a3 is pressed in the lower surface of drive division 17a, 17b, thus the displacement downwards of the leading section of connecting rod 18.
In addition, with leading section ways of connecting, will extend 23 extensions of the portion of setting and be arranged on transversely adjacent reinforcement 12d.Extend width on the fore-and-aft direction that portion 23 is set than the narrow 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 to the top from framework FR.In addition, be assembled at this key board unit under the state on the framework FR of electronic musical instrument, reinforcement 12d is positioned at the front portion and also separates with framework FR with the coupling part part more on the front that extension is provided with portion 21 than reinforcement 12d.The upper surface assembling that portion 23 is set in extension has the substrate 24 of lighting and extinguishing the white key irradiation circuit of controlling to light radiator LW (for example LED); Said light radiator LW is for the operation channeling conduct to player's pressing key, and set corresponding to each white key 11a.Light radiator LW is assembled in the front portion of substrate 24.In addition, can around each light radiator LW, shadow shield be set, said shadow shield prevents to adjacent key light leak, makes each light radiator LW only carry out irradiation to the white key 11a of correspondence.On extension is provided with portion 23 and coupling part that reinforcement 12d is connected, be wholely set boss 25, substrate 24 be fixed on the boss 25 through 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 that each boss is 25 was crooked because of deadweight, so the mode that can for example fix 1～2 places with every octave through 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 displacement of the leading section of limited block 27 limiting rods 18 to the top, thus, white key 11a during the restriction reverse keys and the leading section of black key 11b are to the displacement of top.
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 through integrally formed this notch 12d1 that forms, be positioned at notch 12d1 above the pars intermedia of header board 12a on, be provided with from upper surface and connect square through hole 12a1 to lower surface.Because Fig. 2 A representes to be in the key range of a part of the pars intermedia of keyframe 12, so show the part of through hole 12a1 of right part and the left part of Fig. 2 A.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, with the mode of the notch 12d1 through 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 of this time limited block 28 limiting rods 18 is to the displacement of top, thus white key 11a during the restriction pressing key and the leading section displacement downwards of black key 11b.
In addition, the lower surface at the pars intermedia of white key 11a and black key 11b 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.Corresponding to each key switch 31 is set, said switch 31 follows shaking of each key to be pressed, to detect the releasing orientation of pushing of each key.In addition, on the pars intermedia of substrate 30, with first maintaining part, the 32 corresponding positions that are formed on the header board 12a on, be provided with from upper surface and connect square through hole 30a to lower surface.On the leading section of substrate 30, be provided with and the white identical black key irradiation circuit of key irradiation circuit.Black key irradiation circuit is lighted and is extinguished and control light radiator LB's (for example LED), this light radiator LB is for the operation channeling conduct to player's pressing key, and to being provided with corresponding to each black key 11b.Light radiator LB is assembled in the front portion of substrate 30.In addition, identical with substrate 24, can around each light-emitting component, shadow shield be set, said shadow shield prevents to adjacent key light leak, makes light radiator LB only carry out irradiation to the black key 11b of correspondence.Substrate 30 is kept by first maintaining part 32 and second maintaining part 33.
In the above-described embodiment, the drive division 17a of Bai Jian 11a is identical with the position of drive division 17b on fore-and-aft direction of black key 11b.That is, drive division 17a and drive division 17b are at transversely arranged 1 row that are set to.Under drive division 17a and the situation of drive division 17b,, peristome need be set respectively on keyframe 12 in order to make drive division 17a and drive division 17b extend setting downwards from the bottom of each key and to engage with connecting rod 18 in separate front and back.That is, need on keyframe 12, be provided with and 2 row drive division corresponding opening portions, but if adopt above-mentioned embodiment, only on keyframe 12, be provided with and get final product, therefore, can reduce the size on the fore-and-aft direction of keyframe 12 with 1 row drive division corresponding opening portion.Therefore, can make the key board unit lightweight.The cost that can suppress in addition, key board unit.In addition, drive division 17a, 17b are positioned at the place ahead of front end of the visible section of black key 11b.Therefore, can make the leading section of substrate 30 be positioned at the below of leading section of the visible section of black key 11b.Therefore, can utilize the light radiator LB on the front portion that is assembled in substrate 30, the leading section of the visible section of black key 11b is carried out irradiation.In addition, be assembled with substrate 24 in the portion 23 owing to being provided with in the extension on the leading section that is arranged on reinforcement 12d, so can utilize the light radiator LW on the front portion that is assembled in substrate 24, the leading section of dialogue key 11a carries out irradiation.
In addition, to be arranged on upper surface that transversely extension is provided with portion 16 from extension, form key guide portion 15 to the outstanding mode in top.That is, the key guide portion 15 of shaking channeling conduct of dialogue key 11a and black key 11b is at transversely arranged 1 row that are set to.Therefore, with the extension that 2 row are used to form key guide portion 15 is set portion is set, row are used for Bai Jian 11a, and another row are used for the situation of black key 11b to be compared, and can reduce the size on the fore-and-aft direction of keyframe 12.
In addition, because the lower surface that portion 23 is set in extension is assembled with limited block 27,, can reduce the size on the fore-and-aft direction of keyframe 12 so compare with the situation of the support portion that is provided for assembling limited block 27 in addition.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 to the top 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 connecting rod 18 fluctuates.And ratio and the extension of reinforcement 12d is provided with the coupling part part more on the front that portion 21 is connected and separates with the framework FR of electronic musical instrument.Therefore, compare, can reduce the amount of the resin that is used to form keyframe 12, thereby can make the key board unit lightweight with said key board unit in the past.The cost that can suppress in addition, key board unit.
And, for enforcement of the present invention, be not limited to above-mentioned embodiment, as long as do not breaking away from the object of the invention, can carry out various changes.
In the above-described embodiment, the drive division 17a of Bai Jian 11a is identical with the position of drive division 17b on fore-and-aft direction of black key 11b, and the key guide portion 15 of white key 11a is identical with the position of key guide portion 15 on fore-and-aft direction of black key 11b.But, can only make the drive division 17a of Bai Jian 11a identical with the position of drive division 17b on fore-and-aft direction of black key 11b.If become such structure, then to compare with above-mentioned embodiment, the size of the fore-and-aft direction of keyframe 12 becomes greatly a little, but compare with above-mentioned key board unit in the past, can reduce the size on the fore-and-aft direction of keyframe 12.
In addition, in the above-described embodiment, make the 18a3 of foot on the leading section that is arranged on connecting rod 18 and be assembled in last limited block 27 butts that extend on the lower surface that portion 23 is set, thereby the leading section of limiting rod 18 is to the displacement of top.White key 11a when thus, limiting reverse keys and the leading section of black key 11b are to the displacement of top.But, shown in Fig. 3 A and Fig. 3 B, forwards outstanding teat 17a1,17b1 from the lower end of drive division 17a, 17b can be set, make upper surface and last limited block 27 butts of teat 17a1,17b1.In addition, shown in Fig. 3 A and Fig. 3 B, can be not the 18a2 of foot be set at the leading section of connecting rod 18.Even such structure, white key 11a in the time of also can limiting reverse keys and black key 11b are to the displacement of top.
In addition, in above-mentioned embodiment and variation thereof, extension be provided with strip that the lower surface assembling of portion 23 is made up 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 through 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 to extend the operation in the portion 23 is set, therefore can improve the assembleability of key board unit.
Claims (4)
1. the key board unit of an electronic musical instrument has:
A plurality of white keys and a plurality of black key, because of the operation of key being pushed and unclamp is shaken on above-below direction,
A plurality of connecting rods are driven by said a plurality of white keys and a plurality of black key, and shake with shaking linkedly of said a plurality of white keys and a plurality of black keys,
Keyframe supports said a plurality of white keys, a plurality of black key and a plurality of connecting rod, and is assembled on the framework of electronic musical instrument; It is characterized in that,
Said white key has and is used for white key drive division that said connecting rod is driven,
Said black key has and is used for black key drive division that said connecting rod is driven,
Said white key drive division is identical with the position of said black key drive division on fore-and-aft direction, and,
The key board unit of said electronic musical instrument has:
White key irradiation substrate is assembled with the light radiator that is used for optionally said white key being carried out irradiation,
Black key irradiation substrate is assembled with the light radiator that is used for optionally said black key being carried out irradiation;
In the place ahead of said white key drive division and said black key drive division, said white key irradiation substrate in batch is contained on the said keyframe, at the rear of said white key drive division and said black key drive division, said black key irradiation substrate in batch is contained on the said keyframe,
Assemble said white key irradiation substrate and said black key irradiation substrate at the leading section of said keyframe, below said white key irradiation substrate and said black key irradiation substrate, be provided with and be used for the stopper portions that the displacement to said a plurality of connecting rods limits.
2. the key board unit of electronic musical instrument as claimed in claim 1 is characterized in that, also will be used for the key guide portion of shaking channeling conduct of said white key and black key is arranged the same position on the fore-and-aft direction that is arranged on said keyframe.
3. the key board unit of electronic musical instrument as claimed in claim 1; It is characterized in that; Said stopper portions makes the leading section of said connecting rod be positioned at the below of said white key irradiation substrate, and the displacement to said a plurality of connecting rods between the leading section of said white key irradiation substrate and said connecting rod limits.
4. like the key board unit of each described electronic musical instrument in the claim 1 to 3; It is characterized in that; The keyframe fixed part that said keyframe utilization is arranged on the bottom of said keyframe is assembled on the framework of said electronic musical instrument, the said keyframe fixed part of the ratio of the said keyframe part more on the front and the framework apart of said electronic musical instrument.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-162555 | 2009-07-09 | ||
| JP2009162555A JP5463764B2 (en) | 2009-07-09 | 2009-07-09 | Electronic musical instrument keyboard device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101950555A CN101950555A (en) | 2011-01-19 |
| CN101950555B true CN101950555B (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101855140A Expired - Fee Related CN101950555B (en) | 2009-07-09 | 2010-05-21 | Keyboard device for electronic musical instrument |
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| Country | Link |
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| JP (1) | JP5463764B2 (en) |
| CN (1) | CN101950555B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5970759B2 (en) * | 2011-08-15 | 2016-08-17 | ヤマハ株式会社 | Electronic musical instrument keyboard device |
| JP6160405B2 (en) * | 2013-09-27 | 2017-07-12 | ヤマハ株式会社 | Electronic musical instrument keyboard device |
| CN103714800B (en) * | 2013-12-31 | 2016-09-07 | 常丽文 | A kind of piano for blind |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1731507A (en) * | 2004-08-05 | 2006-02-08 | 雅马哈株式会社 | Key apparatus |
| CN1901028A (en) * | 2005-07-21 | 2007-01-24 | 雅马哈株式会社 | Keyboard apparatus |
| CN1901036A (en) * | 2005-07-21 | 2007-01-24 | 雅马哈株式会社 | Keyboard apparatus |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3060938B2 (en) * | 1996-03-07 | 2000-07-10 | ヤマハ株式会社 | Keyboard device and method of assembling the same |
| JP2000155582A (en) * | 1998-11-19 | 2000-06-06 | Casio Comput Co Ltd | Keyboard device |
| JP3651297B2 (en) * | 1999-02-17 | 2005-05-25 | カシオ計算機株式会社 | Electronic keyboard instrument |
| JP2001034268A (en) * | 1999-07-19 | 2001-02-09 | Casio Comput Co Ltd | Composition for white key, composition for black key and keyboard device |
| JP3882604B2 (en) * | 2001-01-10 | 2007-02-21 | カシオ計算機株式会社 | Keyboard device |
| JP3743331B2 (en) * | 2001-08-30 | 2006-02-08 | ヤマハ株式会社 | Keyboard device |
| JP5017949B2 (en) * | 2005-07-21 | 2012-09-05 | ヤマハ株式会社 | Keyboard device |
| JP4940848B2 (en) * | 2006-09-15 | 2012-05-30 | ヤマハ株式会社 | Keyboard device for electronic musical instruments |
| JP4930802B2 (en) * | 2009-05-18 | 2012-05-16 | カシオ計算機株式会社 | Keyboard instrument |
| JP5541436B2 (en) * | 2009-06-11 | 2014-07-09 | カシオ計算機株式会社 | Keyboard instrument |
-
2009
- 2009-07-09 JP JP2009162555A patent/JP5463764B2/en not_active Expired - Fee Related
-
2010
- 2010-05-21 CN CN2010101855140A patent/CN101950555B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1731507A (en) * | 2004-08-05 | 2006-02-08 | 雅马哈株式会社 | Key apparatus |
| CN1901028A (en) * | 2005-07-21 | 2007-01-24 | 雅马哈株式会社 | Keyboard apparatus |
| CN1901036A (en) * | 2005-07-21 | 2007-01-24 | 雅马哈株式会社 | Keyboard apparatus |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2000-242274A 2000.09.08 |
| JP特开平9-244623A 1997.09.19 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101950555A (en) | 2011-01-19 |
| JP2011017907A (en) | 2011-01-27 |
| JP5463764B2 (en) | 2014-04-09 |
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