CN101339760B - Keyboard apparatus - Google Patents
Keyboard apparatus Download PDFInfo
- Publication number
- CN101339760B CN101339760B CN2008101295940A CN200810129594A CN101339760B CN 101339760 B CN101339760 B CN 101339760B CN 2008101295940 A CN2008101295940 A CN 2008101295940A CN 200810129594 A CN200810129594 A CN 200810129594A CN 101339760 B CN101339760 B CN 101339760B
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- China
- Prior art keywords
- key
- support portion
- keyframe
- unit
- junction surface
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- Expired - Fee Related
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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
In a keyboard device, key unit comprises: one or multiple key body; key support, for supporting body of every key; and connection part, for pivotally connecting the key support with key body along key stroke direction of key body. Key rack comprises: upper surface; and key mounting part, mounted on the upper surface, for mounting the key support of key unit. The key support of the key unit comprises a first coupling part, possessing hook structure or forced fit structure; the key mounting part of the key rack comprises a second coupling part. The key unit is mounted on the key rack, the second coupling part couples with the first coupling part. The second coupling part comprises through-hole or recess part for coupling with hook structure or forced fit structure of the first coupling part. The coupling position of the first coupling part and the second coupling part lies in upper part of key mounting part of the key rack.
Description
Technical field
The present invention relates to a kind of key board unit, and relate to such key board unit particularly, it comprises: key unit, be provided with a plurality of key bodies, be used to support the key support portion of each key body and the connecting portion of connecting key support portion pivotally, these parts are provided with integratedly by synthetic resin; And keyframe, it is provided with the key installation portion of the key support portion that is used for the locking key unit.
Background technology
A kind of key board unit is as shown in figure 17 for example disclosed in Jap.P. No.3082696.As shown in Figure 17, key board unit comprises white key unit 10 and black key unit 11 and the keyframe 20 as key unit.White key unit 10 and black key unit 11 are respectively arranged with: one or more key bodies 12 are used for the keystroke operation; The far-end of the depth direction along keyframe 20 (depthdirection) Y1 of key body 12 away from the player supported in key support portion 13; And connecting portion 14, Y2 pivotally is connected to key support portion 13 with key body 12 along the keystroke direction.These parts are provided with integratedly by synthetic resin.
The key support portion 13 of white key unit 10 and black key unit 11 has first screw 16 respectively, is inserted with the screw N that is used to be mounted to keyframe 20 in this first screw 16.The distally away from the player of the key support portion 13 of black key unit 11 is provided with: arm 13A, towards the downside extension of keyframe 20; With the first junction surface 13B, be arranged on the lower end of arm 13A and protrude towards player's distally.
Then, will be described below the fitting operation that makes white key unit 10 with said structure and black key unit 11 be mounted to keyframe 20.At first, the key support portion of two white key units 10 13 is mutual places stackedly, and first screw 16 in the key support portion 13 is aimed at.On the key support portion 13 of described white key unit 10, place the key support portion 13 of black key unit 11, their first screw 16 is aimed at.
Then, place by the key support portion 13 with a black key unit 11 on the key support portion 13 of two white key units 10, the first junction surface 13B of black key unit 11 inserts in the jack 29.This will make the first junction surface 13B and the second junction surface 27A engage, and white key unit 10 and black key unit 11 are temporarily fixed to keyframe 20 thus, and wherein this second junction surface 27A is the edge part away from player's distally of jack 29.First screw 16 in this key support portion 13 that fixedly makes white key unit 10 and black key unit 11 is temporarily aimed at the second screw 21A in the keyframe 20.Then, screw N insert in first screw 16 and with the second screw 21A threaded engagement, thereby the key support portion 13 of white key unit 10 and black key unit 11 is locked to the key installation portion 22A of keyframe 20.
Yet, conventional structure as shown in figure 17 is provided with the first junction surface 13B that protrudes below key installation portion 22A, the problem of this structure is to have reduced space availability ratio, if and for example parts such as hammer, substrate, cushion pad and loudspeaker were installed below key installation portion 22A, the degree of freedom of installing component would then be reduced.
In addition, the protuberance 21 that extends below the key installation portion 22A that conventional structure as shown in figure 17 is provided with at keyframe 20, the problem of this structure is because the existence of protuberance 21 has reduced space availability ratio and degree of freedom is installed.Another problem is, because screw N need be arranged in first screw 16 and the second screw 21A in key support portion 13 and the keyframe 20 with insertion than plain screw is longer, therefore having influenced can be by using the raising of the production efficiency that standard screws N realizes.
Conventional structure as shown in figure 17 is provided with first stiffening rib 23 that extends below key installation portion 22A, the problem of this structure is because the existence of first stiffening rib 23 has reduced space availability ratio and degree of freedom is installed.
Summary of the invention
Therefore, consider the problems referred to above, the purpose of this invention is to provide a kind of key board unit that can improve space availability ratio and installation degree of freedom.
In order to address the above problem, a kind of key board unit is provided, comprising: key unit, it comprises: one or more key bodies; The key support portion is used to support each described key body; And connecting portion, be used for described key body is connected to described key support portion pivotly along the keystroke direction of described key body; And keyframe, it comprises: upper surface; And the key installation portion, it is arranged on the described upper surface, is used to lock the key support portion of described key unit; Wherein: the key support portion of described key unit has first junction surface; The key installation portion of described keyframe has second junction surface, and comprises: projection is arranged on the upper surface of described keyframe, and extends towards described key support portion; And a hole, be arranged on the described projection; And one locking component described first junction surface and described second junction surface are linked together, be in the same place so that described key support portion is locked to each other with described key installation portion.
In order to address the above problem, a kind of key board unit also is provided, comprising: key unit, it comprises: one or more key bodies; The key support portion is used to support each described key body; And connecting portion, be used for described key body is connected to described key support portion pivotly along the keystroke direction of described key body; And keyframe, it comprises: upper surface; And the key installation portion, it is arranged on the described upper surface, is used to lock the key support portion of described key unit; Wherein: the key support portion of described key unit has first junction surface, and described first junction surface has hook formation or is press-fitted structure; The key installation portion of described keyframe has second junction surface, when described key unit is mounted to described keyframe, described second junction surface engages with described first junction surface, and described second junction surface has through hole or recess, engages to be used for the hook formation at described first junction surface or to be press-fitted structure; And described first junction surface and described second junction are in the top of the key installation portion of described keyframe.
Preferably, described key support portion has first hole; Described key installation portion has: projection is arranged on the upper surface of described keyframe, and extends towards described key support portion; And second hole, be arranged on the described projection; And in described first hole and described second hole, insert a locking component, be in the same place so that described key support portion is locked to each other with described key installation portion.
Preferably, described key support portion has recess or mating holes; Described key installation portion has projection, and described projection is arranged on the upper surface of described keyframe, and extends towards described key support portion; And described projection is inserted in described recess or the mating holes, be in the same place so that described key support portion is locked to each other with described key installation portion.
Preferably, the Width along described keyframe is provided with a plurality of described key units; And described keyframe has the stiffening rib that extends towards described key unit, described stiffening rib is arranged in the gap, described gap is formed between the key support portion of broad ways described key unit adjacent one another are, also is formed between the connecting portion of the described key unit that belongs to adjacent.
Preferably, described keyframe is provided with the retainer with the adjacent setting in second junction surface of the key installation portion of described keyframe, is connected to the pivoting action of the hammer member of described key body with restriction.
Also provide a kind of key board unit according to the present invention, comprising: key unit, it comprises: one or more key bodies; The key support portion is used to support each described key body; And connecting portion, be used for described key body is connected to described key support portion pivotly along the keystroke direction of described key body; And keyframe, it comprises: upper surface; And the key installation portion, be arranged on the described upper surface, be used to lock the key support portion of described key unit; Wherein: the key support portion of described key unit has first hole; The key installation portion of described keyframe has: projection is arranged on the upper surface of described keyframe, and extends towards described key support portion; And second hole, it is arranged on the described projection; And in described first hole and described second hole, insert locking component, so that being locked to each other with described key installation portion, described key support portion is in the same place.
According to embodiments of the invention, because first junction surface of key support portion and second junction of key installation portion are in the top of key installation portion, therefore prevented that described first junction surface is in the below of described key installation portion, thereby can improve space availability ratio and degree of freedom is installed.
According to embodiments of the invention, because the projection of protruding towards described key support portion is arranged on described key installation portion place and described projection has second hole that is used to insert locking component, therefore prevented that protruding (protuberance) protrudes below described key installation portion, thereby can further improve space availability ratio and degree of freedom is installed.
According to embodiments of the invention, because in being arranged on the upper surface of described key installation portion and inserting recess or mating holes on the key support portion towards the projection that protrude described key support portion, to lock described key support portion and described key installation portion, therefore prevented projection protrusion below described key installation portion, thereby can further improve space availability ratio and degree of freedom is installed.
Description of drawings
According to embodiments of the invention, because second stiffening rib is arranged in the key support portion and the gap between the connecting portion of another key unit of the key support portion of a key unit and this key unit setting of connecting portion and next-door neighbour, therefore prevented that stiffening rib from protruding below the key installation portion, thereby can further improve space availability ratio and degree of freedom is installed.
Fig. 1 is the cut-open view that first embodiment of key board unit of the present invention is shown;
Fig. 2 is the vertical view of key board unit shown in Figure 1, has wherein removed panel;
Fig. 3 is the key support portion shown in Figure 1 and the partial enlarged drawing of key installation portion near zone;
Fig. 4 is the vertical view according to the key board unit of another embodiment, has wherein removed panel;
Fig. 5 is the partial sectional view according to the key board unit of another embodiment;
Fig. 6 is the vertical view according to the key board unit of another embodiment, has wherein removed panel;
Fig. 7 is the basis vertical view of the key board unit of an embodiment again, has wherein removed panel;
Fig. 8 is the cut-open view that second embodiment of key board unit of the present invention is shown;
Fig. 9 (A) is the partial top view that constitutes the black key unit of key board unit as shown in Figure 8; And Fig. 9 (B) constitutes the black key unit of key board unit shown in Figure 8 and the partial top view of keyframe;
Figure 10 is the partial enlarged drawing according to the key support portion of the key board unit of another embodiment and key installation portion near zone;
Figure 11 is the partial enlarged drawing according to the key support portion of the key board unit of another embodiment and key installation portion near zone;
Figure 12 is according to the key support portion of the key board unit of an embodiment again and the partial enlarged drawing of key installation portion near zone;
Figure 13 is the cut-open view that the 3rd embodiment of key board unit of the present invention is shown;
Figure 14 is the vertical view of key board unit as shown in figure 13, has wherein removed panel;
Figure 15 be as shown in figure 13 the key support portion and the partial enlarged drawing of key installation portion near zone;
Figure 16 is the cut-open view that another embodiment of key board unit of the present invention is shown;
Embodiment
Figure 17 is the partial sectional view that the example of conventional key board unit is shown.
First embodiment
The first embodiment of the present invention is described with reference to the accompanying drawings.Fig. 1 is the cut-open view that first embodiment of key board unit 100 of the present invention is shown.Fig. 2 is the vertical view of key board unit 100 shown in Figure 1, has wherein removed panel.Fig. 3 is the key support portion 13 of key board unit 100 shown in Figure 1 and the partial enlarged drawing of key installation portion 22A near zone.
Example is that the key board unit 100 of electric keyboard instrument comprises: keyframe 20 and the hammer member 40 made as the white key unit 10 of key unit and black key unit 11, by hard synthetic resin, and above key board unit 100 and the rear portion panel 30 is set.
The rear end lower surface of key body 12 is provided with stop protrusion (stopper projection) 12G.This stop protrusion 12G is used to prevent have articulated structure under pressing key body 12 or children consumingly rest on situation on the key body 12 connecting portion 14 breakages are set.The form setting of key support portion 13 to prolong, and its longitudinal direction extends along the Width Y3 of keyframe, and as shown in Figure 2, and each key unit 10 and 11 is provided with in total mode by the shared total cardinal extremity of a plurality of keys.As shown in Figure 3, the upside of key support portion 13 has the 13C of positioning convex portion, and downside has location depressed part 13D.13C of positioning convex portion and location depressed part 13D are arranged to, mutual when stacked along keystroke direction Y2 when a plurality of keys support portion 13, the 13C of positioning convex portion that is arranged on the downside of key support portion 13 matches with location depressed part 13D on the upside that is arranged on another key support portion 13.13C of positioning convex portion and location depressed part 13D help the location between a plurality of keys support portion 13.As shown in Figure 1, connecting portion 14 is located between key body 12 and the key support portion 13, and be designed to approach and have elasticity, to constitute articulated structure.
Each octave of key board unit 100 has two white key units 10 and a black key unit 11.In a white key unit 10 of two white key units 10, single key support portion 13 is supported and is comprised three key bodies that (cover) note is respectively D, F and A.In the surplus next white key unit 10 of two white key units 10, single key support portion 13 is supported and is comprised four key bodies 12 that note is respectively C, E, G and B.In black key unit 11, single key support portion 13 is supported and is comprised five key bodies 12 that note is C#, D#, F#, G# and A#.
These two white key units 10 and the black key unit 11 key support portion 13 by making them is along a keystroke direction Y2 stacked octave that constitutes key mutually.The key of a plurality of octaves like this is set along the Width Y3 of keyframe.The key body 12 that is used for note C and B has otch (cutout) 12E and 12F, is used for being close at the key support portion 13 of a white key unit 10 and connecting portion 14 and along Width Y3 between the key support portion 13 of another white key unit 10 that a described white key unit 10 is provided with and the connecting portion 14 forming gap S.Gap S extends towards player's side along the depth direction Y1 of keyframe.Key support portion 13, connecting portion 14 and otch 12E and 12F are covered by the panel on the upper surface side that is arranged on keyframe 30, thereby can't see them from the front.
As shown in Figure 3, a plurality of white key units 10 have mating holes 15 respectively, and the protuberance (projection) on the keyframe 20 that will be described later is installed in this mating holes 15.On the other hand, black key unit 11 has first screw 16, inserts in this first screw 16 as locking component and less than the screw N of this mating holes 15.In these mating holess 15 and the screw any one or the two are corresponding to first hole described in the claim.
The key support portion 13 of black key unit 11 has arm 13A (referring to Fig. 9 (A)), this arm 13A be arranged on the key support portion along the distal end of depth direction Y1 away from the player, and the downside towards the keystroke direction extends, and at the downside end of arm 13A the hook-shaped first junction surface 13B is set along depth direction Y1, and this hook-shaped first junction surface 13B along depth direction Y1 towards more distal extension away from the player.The arm 13A and the first junction surface 13B are arranged on the key support portion 13, and this key support portion 13 is positioned at the top that key installation portion 22A goes up another key support portion 13 of stacked mutually a plurality of key units 10 and 11.In this embodiment, the arm 13A and the first junction surface 13B are arranged to, be positioned in the key support portion 13 of black key unit 11 under the situation at top of key support portion 13 of two white key units 10, make its downside end be positioned at the top (referring to Fig. 8) of the key installation portion 22A on the upper surface part 22 of keyframe along keystroke direction Y2.
As shown in Figure 3, be provided with upright wall part 22D away from player's distally than the key installation portion 22A of upper surface part 22 more along depth direction Y1, this upright wall part 22D extends along keystroke direction Y2 above key installation portion 22A.The second junction surface 22E that protrudes along depth direction Y1 towards player's side is set above upright wall part 22D.That is, the second junction surface 22E is positioned at the top of key installation portion 22A.The relative portion towards the second junction surface 22E of upper surface part 22 has the hole 22C that prevents the second junction surface 22E recessed (undercut).This hole 22C is used for preventing producing between the upper surface part 22 and the first junction surface 13B interference when the first junction surface 13B engages with the second junction surface 22E.
Raised part 21 is set to extend towards the upside along keystroke direction Y2 of key installation portion 22A, that is, 13 extend towards the key support portion.Protuberance 21 has the second screw 21A, and this second screw 21A is as second hole of inserting the screw N that will describe the back.The second screw 21A have thread groove with screw N threaded engagement.
The lower surface of key installation portion 22A is set to broad ways Y3 and has the tabular of groove 221.The lower surface of key installation portion 22A is provided with sensor 60 after touch.This after touch sensor 60 as the further sensor of detection keystroke pressure during the pressing key body downwards common key is pushed after, and constitute: resistor board by following parts, it has resistance pattern (resistor pattern), and its resistance changes according to pressure; Conductor plate (conductor board), it has the conductor pattern to resistance pattern to be connected (conductor pattern); And felted terxture, these parts order according to this are stacked mutually.When pressing key, mass 41 and the key contacts of sensor 60 by utilizing hammer member 40, thus detect contact pressure.
As shown in Figure 1, first stiffening rib 23 supports the downside along keystroke direction Y2 of upper surface part 22, and strengthens upper surface part 22.First stiffening rib 23 is set to be approximately perpendicular to the tabular of Width Y3, and along Width Y3 (between B and the C key and between E and the F key) a plurality of identical ribs is set.
Second stiffening rib, 24 usefulness act on the stiffening rib of strengthening upper surface part 22.As shown in Figure 2, this second stiffening rib 24 is set to from upper surface part 22 upside towards keystroke direction Y2 and extends, in the gap S between key support portion 13, connecting portion 14 and the key body 22 of another white key unit 10 of a described white key unit 10 settings of key support portion 13, connecting portion 14 and key body 22 and next-door neighbour that are arranged on a white key unit 10.Second stiffening rib 24 is set to be approximately perpendicular to the tabular of Width Y3, and broad ways Y3 is provided with a plurality of second stiffening rib 24.
Anterior 25 are arranged on along the player's side of depth direction Y1 and the downside of keystroke direction Y2, and its cross section has concave surface and convex surface.The 3rd stiffening rib 26 strengthens anterior 25.The 3rd stiffening rib 26 is set to be approximately perpendicular to the tabular of Width Y3, and broad ways Y3 is provided with a plurality of the 3rd stiffening rib.
As shown in Figure 1, hammer member 40 is by the mass 41 of extending along depth direction Y1 and keep the base portion 42 of the end of mass 41 to constitute, and is supported by the fulcrum support portion 29A of center projections portion 29 tops that are arranged on keyframe 20.Form the connecting band 42B that is divided into the above and below at the end of base portion 42, and this connecting band 42B matches with a plate 12B, this web joint 12B is arranged on the lower end of the service portion 12A of protrusion from key body 12 towards downside.
When pressing key, service portion 12A promotes base portion 42 downwards, and hammer member 40 rotation along the counter clockwise direction among Fig. 1 around turning axle 42A; And when reverse keys, service portion 12A upwards promotes base portion 42, and hammer member 40 rotation along the clockwise direction among Fig. 1 around turning axle 42A.This helps to provide the sense of touch of similar acoustic piano.The bottom of keyframe 20 and upper end are provided with retainer SD and the SU that is made by felted terxture respectively, and these retainers SD and SU are used to limit the rotating range of hammer member 40.That is, keyframe 20 is provided with the retainer SU that the junction surface 27A of the key installation portion 22A of contiguous keyframe 20 is provided with, and is used to limit the pivoting action of the hammer member 40 that is connected to key body 12.
Substrate (basal plate) 50 is set between white key unit 10 and black key unit 11 and hammer member 40, and on substrate 50 fitting key switch 50A, when reverse keys body 12, this bond switching 50A opening/closing.
Then, the keyframe 20 that key unit 10 and 11 is mounted to above-mentioned key board unit 100 is described below.At first, with the protuberance on the keyframe 20 21 with match by the mating holes 15 in the key support portion 13 that comprises the white key unit 10 that four key bodies 12 that note is respectively C, E, G and B constitute, match then with by the mating holes 15 that comprises the key support portion 13 that three key bodies 12 that note is respectively D, F and A constitute.
At this moment, as shown in Figure 3, location depressed part 13D on the key support portion 13 of following white key unit 10 matches with the 22B of positioning convex portion on the key installation portion 22A, and the location depressed part 13D on the key support portion 13 of top white key unit 10 matches with the 13C of positioning convex portion of the key support portion 13 of following white key unit 10, thus, white key unit 10 is positioned on the key installation portion 22A.
The first junction surface 13B on the key support portion 13 of black key unit 11 engages with the second junction surface 22E on the upright wall part 22D, and thus, black key unit 11 temporarily is fixed to keyframe 20.At this moment, the first junction surface 13B engages with the second junction surface 22E, and the 13C of positioning convex portion on the key support portion 13 of the location depressed part 13D on the key support portion 13 of black key unit 11 and top white key unit 10 matches thus.This second screw 21A on the protuberance 21 and first screw 16 on the black key unit 11 of temporarily fixedly making aligns.So screw N inserts first screw 16 and the second screw 21A, key support portion 13 is locked to key installation portion 22A.
According to above-mentioned key board unit 100, because the top that first junction surface 13B on the key support portion 13 and the second junction surface 22E on the keyframe 20 are positioned at key installation portion 22A, therefore prevented that the first junction surface 13B on the key support portion 13 is positioned at the below of key installation portion 22A, can improve space availability ratio thus and degree of freedom is installed.Particularly, owing to prevented that the first junction surface 13B is positioned at the below of key installation portion 22A, so the lower surface of key installation portion 22A can form tabular surface, and this makes that sensor 60 can be arranged on the lower surface of key installation portion 22A as shown in Figure 3 after touch.
In addition, owing to prevented that the first junction surface 13B is positioned at the below of key installation portion 22A, therefore when as shown in Figure 1 mass 41 was positioned at the downside of key installation portion 22A, the range of pivot of mass 41 was not subjected to the restriction of the first junction surface 13B, thereby can increase its range of pivot.This means to have under the situation of same keys stroke (the given vertical travel range of application point) with traditional structure, the axle 42A (fulcrum) of hammer member 40 can be nearer from the player than the wheelbase of the hammer member in the traditional structure.And, can improve the distance of rear end and ratio from axle 42A to the distance between the application point from axle 42A to hammer member 40.Even reduce mass 41 like this, big qualitative perception (resistance sense) also can be provided, therefore, can reduce the weight of key board unit 100 with mass 41.
And, according to above-mentioned key board unit 100,, can temporarily black key unit 11 be fixed to keyframe 20 by the first junction surface 13B on the key support portion 13 is engaged with the second junction surface 22E on the keyframe 20, therefore can easily carry out fitting operation.
And, according to above-mentioned key board unit 100, because key support portion 13 has first screw 16, key installation portion 22A has 13 protuberances that extend 21 and the second screw 21A that is positioned on the protuberance 21 towards the key support portion, and by screw N being inserted first screw 16 and the second screw 21A, make key support portion 13 be locked to key installation portion 22A, therefore can prevent that protuberance 21 from protruding below key installation portion 22A, thereby can improve space availability ratio and degree of freedom is installed.
And, according to this key board unit 100, as shown in Figure 3, the key support portion 13 of white key unit 10 has mating holes 15 to match with protuberance 21, and, key support portion 13 clampings (pinch) of white key unit 10 and be locked in key installation portion 22A and the key support portion 13 of black key unit 11 between.This only helps white key unit 10 easily to be located with respect to keyframe 20, thereby be convenient to installment work by mating holes 15 is matched with protuberance 21.Being provided with like this can be better: above-mentioned location should remain in the scope of aforementioned process, aligns with the position broad ways Y3 with three key units 10 and 11, and they are fixed to keyframe 20.Because finish by 13D of positioning convex portion and location depressed part 13E along the location of depth direction Y1.Perhaps, can loosen the cooperation between 13D of positioning convex portion and the location depressed part 13E, thereby leave protuberance 21 for along the location of depth direction Y1 and Width Y3 and mating holes 15 is finished by guaranteeing space or other device.And owing to can reduce the length of screw N, so screw N can be standard screws, thereby can enhance productivity.And, if keyframe 20 then can be hidden in the back of key support portion 13 also as the musical instrument housing as the protuberance 21 of an apparent defective, therefore, can realize succinct outward appearance and can improve design freedom.
And, according to above-mentioned key board unit 100, because second stiffening rib 24 is arranged in the key support portion 13 and the gap S between the connecting portion 14 of another white key unit 10 of the key support portion 13 of a white key unit 10 and these white key unit 10 settings of connecting portion 14 and next-door neighbour, thereby has prevented that second stiffening rib 24 from protruding below key installation portion 22A.Owing to prevented that second stiffening rib 24 from protruding below key installation portion 22A, therefore can effectively utilize the space of key installation portion 22A below, the to-and-fro movement scope of sensor 60 after touch or increase mass 41 for example is set.
And, according to above-mentioned key board unit 100, owing in the part of the panel 30 that is coated with key body 12, otch 12E and 12F are set, gap S extends along depth direction Y1 towards player's side, and second stiffening rib 24 is arranged to also be arranged in the gap S that is provided by otch 12E and 12F, therefore the size of second stiffening rib 24 can be increased, reinforcement can be further strengthened thus key installation portion 22A.
In above-mentioned first embodiment, be provided with a plurality of key bodies 12 that are used for each key support portion 13, yet, the invention is not restricted to above-mentioned application.Also can adopt in such a way: for example as shown in Figure 4, be provided for the single key body 12 of each key support portion.In this case, second stiffening rib 24 can be located among the gap S between key support portion 13, connecting portion 14 and the key body 12 that key support portion 13, connecting portion 14 and the key body 12 of a white key unit 10 and broad ways Y3 be close to another white key unit 10 that a described white key unit 10 is provided with.
In above-mentioned first embodiment, second stiffening rib 24 is not positioned at the below of key body 12, yet, the invention is not restricted to above-mentioned application.Also can adopt in such a way: for example as shown in Figure 5, second stiffening rib 24 also can be arranged on the below of key body 12, further to add strong bond installation portion 22A.
In above-mentioned first embodiment, otch 12E and 12F are arranged in the key body 12, and second stiffening rib 24 also is arranged in the gap S that is produced by otch 12E and 12F, yet the invention is not restricted to above-mentioned application.Also can adopt in such a way: for example as shown in Figure 6 and Figure 7, if the intensity of key installation portion 22A is no problem, then in key body 12, can not have otch 12E and 12F, and second stiffening rib 24 is only among the gap S between key support portion 13 and connecting portion 14.
In above-mentioned first embodiment, among the gap S of second stiffening rib 24 between key support portion 13, connecting portion 14 and the key body 12 of another white key unit 10 that key support portion 13, connecting portion 14 and the key body 12 of a white key unit 10 and the described white key unit 10 of next-door neighbour are provided with, yet the invention is not restricted to this application.Also can adopt in such a way: for example, second stiffening rib 24 can be arranged on upper surface part 22 upper edge depth direction Y1 than key installation portion 22A more away from player's distally.Yet in this case, should below second stiffening rib 24, retainer SD be set.
In above-mentioned first embodiment,, can effectively utilize the space of key installation portion 22A below, yet the invention is not restricted to this application by sensor 60 and mass 41 after touch are set in the space below key installation portion 22A.Can adopt in such a way: for example as the second following embodiment, the space of key installation portion 22A below is used to be provided with various types of functional parts, for example, in the space below key installation portion 22A loudspeaker SP is set.
Second embodiment
Next, the second embodiment of the present invention is described with reference to the accompanying drawings.Fig. 8 is the cut-open view that second embodiment of key board unit 100 of the present invention is shown.Fig. 9 (A) is the partial top view that the black key unit 11 that constitutes key board unit 100 shown in Figure 8 is shown.Fig. 9 (B) illustrates the black key unit 11 of formation key board unit 100 shown in Figure 8 and the partial top view of keyframe 20.In Fig. 8 and Fig. 9, the parts identical with parts among above-mentioned first embodiment that describes referring to figs. 1 through Fig. 3 use the same reference numerals to represent respectively, and omit detailed description to these parts at this.
Then, the description key unit 10 and 11 that will have in the key board unit 100 of said structure is mounted to keyframe 20.At first, the mating holes 15 on the key support portion 13 of the protuberance 21 on the keyframe 20 and two white key units 10 cooperates successively.The first junction surface 13B on the key support portion 13 of black key unit 11 engages with the second junction surface 27A on the rear wall parts 27, so that black key unit 11 temporarily is locked to keyframe 20.This temporary transient locking makes first screw 16 on the key support portion 13 of black key unit 11 aim at the second screw 21A on the protuberance 21.Then, screw N is inserted among first screw 16 and the second screw 21A, so that key unit 10 and 11 is locked to keyframe 20.
According to above-mentioned second embodiment, because therefore the top that first junction surface 13B on the key support portion 13 and the second junction surface 27A on the keyframe 20 are positioned at key installation portion 22A has prevented that the first junction surface 13B on the key support portion 13 is positioned at the below of key installation portion 22A.Thereby, similar with first embodiment, prevented that the first junction surface 13B from protruding, and can be provided with various functional parts, for example loudspeaker SP thus below key installation portion 22A below key installation portion 22A.
As mentioned above, key support portion 13 has the first junction surface 13B.Key installation portion 22A has the second junction surface 27A, and this key installation portion 22A comprises: projection is arranged on the upper surface of described keyframe and towards the key support portion and extends; With second hole, be arranged on this projection.Locking component N links together the first junction surface 13B and the second junction surface 27A, is in the same place so that this key support portion 13 is locked to each other with this key installation portion 22A.
According to above-mentioned second embodiment, similar to first embodiment, by the first junction surface 13B on the key support portion 13 is engaged with the second junction surface 27A on the keyframe 20, black key unit 11 temporarily can be locked to keyframe 20, be convenient to fitting operation thus.
In above-mentioned second embodiment, for example similar to first embodiment, by various types of functional parts (for example loudspeaker SP) are set below key installation portion 22A, can effectively utilize the space of key installation portion 22A below, yet the invention is not restricted to this application.Also can adopt in such a way:, can effectively utilize the space of key installation portion 22A below by sensor 60 or mass 41 after touch are set in the space below key installation portion 22A.
In above-mentioned first and second embodiment, by the first junction surface 13B is engaged with the second junction surface 22E and 27A, key unit 10 and 11 temporarily is fixed to keyframe 20, firmly fixes by screw N then, yet the invention is not restricted to this application.Also can adopt in such a way: as shown in figure 10, can be under the situation of not using screw N to fix, by the first junction surface 13B being engaged with the second junction surface 22E and 27A and key unit 10 and 11 being firmly-fixed to keyframe.
As shown in figure 10, the key support portion 13 of black key unit 11 is provided with: arm 13E is arranged on the player's side along depth direction Y1, and extends towards the downside of keystroke direction Y2; And the 3rd junction surface 13F, be arranged on the lower end of arm 13E, and extend along depth direction Y1 towards player's side along the keystroke direction.The upper surface part 22 of keyframe 20 has jack 22F, and the 3rd junction surface 13F is inserted among this jack 22F.The 3rd junction surface 13F is inserted into makes the 3rd junction surface 13F engage among the jack 22F with the 4th junction surface 22G of the edge of the player's side that is positioned at jack 22F.This makes player's side of key support portion 13 and engage with keyframe 20 away from player's distally along depth direction Y1, does not only use screw N just to realize fixedly securing by junction surface 13B and 13F thus.
As shown in figure 11, by making the first junction surface 13B with the second junction surface 22E with 27A engages and do not use screw N to fix, key unit 10 and 11 can be firmly-fixed to keyframe 20.
As shown in figure 11, key installation portion 22A has 13 protuberances 21 that extend towards the key support portion.The downside of the key support portion 13 of black key unit 11 has depressed part 13G, and the upside of this depressed part 13G has depression.Only utilize the first junction surface 13B and depressed part 13G and do not use screw N, protuberance 21 matches with depressed part 13G with locking key support portion 13 and key installation portion 22A, and key support portion 13 and key installation portion 22A are firmly fixed.
Under situation as shown in figure 11, can prevent that protuberance 21 from protruding below key installation portion 22A, improved space availability ratio thus and degree of freedom has been installed.
In the example depicted in fig. 11, key support portion 13 has depressed part 13G, and protuberance 21 matches with depressed part 13G, yet the invention is not restricted to this application.Also can adopt in such a way: the key support portion 13 of black key unit 11 can be provided with along the cooperation through hole of keystroke direction Y2, and protuberance 21 can cooperate through hole to match with this.
In first and second embodiment, the second junction surface 27A and 22E are formed by the bow strip that extends from upright wall part 22D and rear wall parts 27, and bow strip is in contact with one another, yet the invention is not restricted to this application.Also can adopt in such a way: as shown in figure 12, the second junction surface 27A can form the junction surface with through hole 27A1, and forms the first junction surface 13B that is press-fitted structure and can be press fit among the through hole 27A1.This of the first junction surface 13B is press-fitted structure is press fit among the through hole 27A1 that is arranged on the second junction surface 27A junction surface 13B that wins, the structure that is press-fitted of the first junction surface 13B is set to shaft-likely in the present embodiment as shown in figure 12, and its end is towards terminal convergent.In the embodiment shown in fig. 12, the second junction surface 27A has through hole 27A1, replaces through hole 27A1 yet depressed part can be set, and the first junction surface 13B can be press fit in the depressed part thus.
In above-mentioned first and second embodiment, the key support portion 13 of white key unit 10 has mating holes 15 and protuberance 21 matches with mating holes 15, yet the invention is not restricted to this application.Also can adopt in such a way: as shown in figure 12, key support portion 13 can have respectively screw jack (hole of unloaded) 16 ', two white key units 10 and black key unit 20 can place on the protuberance 21 in regular turn, as shown in FIG., and with screw N insert screw jack 16 ' in, thus, they can carry out threaded engagement and be locked to key installation portion 22A with screw 21A.In this case, utilize the projection of the through hole 27A1 and the first junction surface 13B to realize key unit 10 and 11 is positioned to keyframe 20.
In first and second embodiment, screw N is used as locking component, yet, the invention is not restricted to this application.Also can adopt in such a way: locking component is press fit in first hole (first screw) and second hole (second screw) on the key installation portion 22A on the key support portion 13, key support portion 13 is locked to key installation portion 22A.Usually, locking component comprises screw or uncinus or screw and uncinus.
The foregoing description has only illustrated typical way of the present invention, and application of the present invention is not limited to described embodiment.Therefore, those of ordinary skills can carry out various changes and modification to the present invention under the situation that does not break away from design of the present invention and scope.
The 3rd embodiment
The third embodiment of the present invention is described with reference to the accompanying drawings.Figure 13 is the cut-open view that the 3rd embodiment of key board unit 100 of the present invention is shown.Figure 14 is the vertical view of key board unit 100 as shown in figure 13, has wherein removed panel 30.Figure 15 is the key support portion 13 of key board unit 100 as shown in figure 13 and the partial enlarged drawing of key installation portion 22A near zone.
The key board unit 100 that is exemplified as electric keyboard instrument comprises keyframe 20 and the hammer member of making as the white key unit 10 of key unit and black key unit 11, by hard synthetic resin 40, and above keyframe and the rear portion of key board unit 100 panel 30 is set.
White key unit 10 and black key unit 11 are respectively arranged with: one or more key bodies 12 are used to bear the keystroke operation; Key support portion 13, support the key body along the depth direction Y1 of key body 12 distally away from the player; With connecting portion 14, Y2 is connected to key support portion 13 with key body 12 pivotly along the keystroke direction.These parts are provided with integratedly by synthetic resin.
The rear end lower surface of key body 12 is provided with stop protrusion 12G.This stop protuberance 12G is used to prevent have articulated structure under pressing key body 12 or children consumingly rest on situation on the key body 12 connecting portion 14 breakages are set.As shown in figure 14, key support portion 13 is provided with in the mode that prolongs, and its longitudinal direction extends along Width Y3, and each key unit 10 and 11 is provided with in total mode by the shared total cardinal extremity of a plurality of keys.As shown in figure 15, the upside of key support portion 13 has the 13C of positioning convex portion, and downside has location depressed part 13D.13C of positioning convex portion and location depressed part 13D are set to, mutual when stacked along keystroke direction Y2 when a plurality of keys support portion 13, the 13C of positioning convex portion that is arranged on the downside of key support portion 13 matches with location depressed part 13D on the upside that is arranged on another key support portion 13.13C of positioning convex portion and location depressed part 13D help the location of a plurality of keys support portion 13.As shown in figure 13, connecting portion 14 is located between key body 12 and the key support portion 13, and be designed to approach and have elasticity, to constitute articulated structure.
Each octave of key board unit 100 has two white key units 10 and a black key unit 11.In a white key unit 10 of two white key units 10, single key support portion 13 is supported and is comprised three key bodies 12 that note is respectively D, F and A.In the surplus next white key unit 10 of two white key units 10, single key support portion 13 is supported and is comprised four key bodies 12 that note is respectively C, E, G and B.In black key unit 11, single key support portion 13 is supported and is comprised five key bodies 12 that note is C #, D#, F#, G# and A#.
These two white key units 10 and the black key unit 11 key support portion 13 by making them is along a keystroke direction Y2 stacked octave that constitutes key mutually.The key of a plurality of octaves like this is set along the Width Y3 of keyframe.The key body 12 that is used for note C and B has otch 12E and 12F, is used for being close at the key support portion 13 of a white key unit 10 and connecting portion 14 and along Width Y3 between the key support portion 13 of another white key unit 10 that a described white key unit 10 is provided with and the connecting portion 14 forming gap S.Gap S extends along depth direction Y1 towards player's side.Key support portion 13, connecting portion 14 and otch 12E and 12F are covered by the panel 30 that is arranged on the upper surface side, therefore can't see them from the front.
As shown in figure 15, white key unit 10 has mating holes 15 respectively, and the protuberance 21 on the keyframe 20 as described below is installed in this mating holes 15.On the other hand, black key unit 11 has first screw 16, inserts in first screw 16 as locking component and less than the screw N of mating holes 15.In the mating holes 15 and first screw 16 any one or the two is corresponding to first hole described in the claim.
Raised part 21 is set to extend towards the upside along keystroke direction Y2 of key installation portion 22A, that is, 13 extend towards the key support portion.Protuberance 21 has the second screw 21A, and this second screw 21A is as second hole of inserting the screw N that will describe the back.The second screw 21A have thread groove with screw N threaded engagement.
The lower surface of key installation portion 22A is set to broad ways Y3 and has the tabular of groove 221.The lower surface of key installation portion 22A is provided with sensor 60 after touch.This after touch sensor 60 and constitute as the further sensor of detection keystroke pressure during pressing key body 12 downwards common key is pushed after by following parts: resistor board, it has resistance pattern, and its resistance changes according to pressure; Conductor plate has the conductor pattern to resistance pattern to be connected; And felted terxture, these parts order according to this are stacked mutually.When pressing key, sensor 60 contacts with the key body by the mass 41 of utilizing hammer member 40, thereby detects contact pressure.
First stiffening rib 23 supports the downside along keystroke direction Y2 of upper surface part 22, and strengthens upper surface part 22.First stiffening rib 23 is set to be approximately perpendicular to the tabular of Width Y3, and along Width Y3 (for example between B key and C key) a plurality of identical ribs is set.
Second stiffening rib, 24 usefulness act on the stiffening rib of strengthening upper surface part 22.As shown in figure 14, second stiffening rib 24 is set to from upper surface part 22 upside towards keystroke direction Y2 and extends, in the gap S between key support portion 13, connecting portion 14 and the key body 12 of another white key unit 10 of these white key unit 10 settings of key support portion 13, connecting portion 14 and key body 12 and next-door neighbour of being arranged on a white key unit 10.Second stiffening rib 24 is set to be approximately perpendicular to the tabular of Width Y3, and broad ways Y3 is provided with a plurality of second stiffening rib 24.
Anterior 25 are arranged on along the player's side of depth direction Y1 and the downside of keystroke direction Y2, and its cross section has concave surface and convex surface.The 3rd stiffening rib 26 strengthens anterior 25.The 3rd stiffening rib 26 is set to be approximately perpendicular to the tabular of Width Y3, and broad ways Y3 is provided with a plurality of the 3rd stiffening rib 26.
As shown in figure 13, hammer member 40 is by the mass 41 of extending along depth direction Y1 and keep the base portion 42 of the end of mass 41 to constitute, and is supported by the fulcrum support portion 29A of center projections portion 29 tops that are arranged on keyframe 20.Form the connecting band 42B that is divided into the above and below at the end of base portion 42, and this connecting band 42B matches with a plate 12B, this web joint 12B is arranged on the lower end of the service portion 12A of protrusion from key body 12 towards downside.
When pressing key, service portion 12A promotes base portion 42 downwards, and hammer member 40 rotation along the counter clockwise direction among Figure 13 around turning axle 42A; And when reverse keys, service portion 12A upwards promotes base portion 42, and hammer member 40 is rotation along the clockwise direction among Figure 13 around turning axle 42A.This helps to provide the sense of touch of similar acoustic piano.The bottom of keyframe 20 and upper end are provided with retainer SD and the SU that is made by felted terxture, and these retainers SD and SU are used to limit the rotating range of hammer member 40.
Between white key unit 10 and black key unit 11 and hammer member 40, substrate 50 is set, and on substrate 50 fitting key switch 50A, when reverse keys body 12, this bond switching 50A opens or closes.
Then, the keyframe 20 that key unit 10 and 11 is mounted to above-mentioned key board unit 100 is described below.At first, protuberance 21 on the keyframe 20 with match by the mating holes 15 in the key support portion 13 that comprises the white key unit 10 that four key bodies 12 that note is respectively C, E, G and B constitute, match then with by the mating holes 15 that covers the key support portion 13 that three key bodies 12 that note is respectively D, F and A constitute.
At this moment, as shown in figure 15, location depressed part 13D on the key support portion 13 of following white key unit 10 matches with the 22B of positioning convex portion on the key installation portion 22A, and the location depressed part 13D on the key support portion 13 of top white key unit 10 matches with the 13C of positioning convex portion of the key support portion 13 of following white key unit 10, thus, white key unit 10 is positioned on the key installation portion 22A.
The key support portion 13 of black key unit 11 is positioned on the key support portion 13 of white key unit 10, the 13C of positioning convex portion on the key support portion 13 of superincumbent white key unit 10 is set thus is installed among the location depressed part 13D on the key support portion 13 that is arranged on black key unit 11.This makes the second screw 21A that is arranged on the protuberance 21 align with first screw 16 that is arranged on the black key unit 11.So screw N inserts first screw 16 and the second screw 21A, so that key support portion 13 and key installation portion 22A are locked mutually.
According to above-mentioned key board unit 100, because key support portion 13 has first screw 16, key installation portion 22A has 13 protuberances that extend 21 and the second screw 21A that is arranged on the protuberance 21 towards the key support portion, and screw N inserts among first screw 16 and the second screw 21A, with locking key support portion 13 and key installation portion 22A, therefore prevented that protuberance 21 from protruding below key installation portion 22A, and can improve space availability ratio and degree of freedom is installed.Particularly, as shown in figure 13,, therefore for example sensor 60 after touch can be set on the lower surface of key installation portion 22A, as shown in figure 13 owing to prevented that protuberance 21 from protruding below key installation portion 22A.
In addition, as shown in figure 13, when mass 41 was positioned at the downside of key installation portion 22A, the to-and-fro movement scope of mass 41 was not subjected to the restriction of key installation portion 22A, thereby can increase its to-and-fro movement scope.This means to have under the situation of same keys stroke (the given vertical travel range of application point) with traditional structure, the axle 42A (fulcrum) of hammer member 40 can be nearer from the player than the axle of the hammer member in the traditional structure.And, can improve the distance of rear end and ratio from axle 42A to the distance between the application point from axle 42A to hammer member 40.Even reduce mass 41 like this, big qualitative perception (resistance sense) also can be provided, therefore, can reduce the weight of key board unit 100 with mass 41.
In above-mentioned the 3rd embodiment, second stiffening rib 24 is arranged among the gap S between key support portion 13, connecting portion 14 and the key body 12 of another white key unit that key support portion 13, connecting portion 14 and key body 12 at white key unit 10 and this white key unit of next-door neighbour 10 be provided with.Yet, the invention is not restricted to this application.For example, as shown in figure 16, also can adopt in such a way: second stiffening rib 24 can be arranged on the distally of key installation portion 22A along depth direction Y1 further from the player than upper surface part 22.Yet, in this case, should below second stiffening rib 24, retainer SU be set.
Claims (11)
1. key board unit comprises:
Key unit, it comprises: one or more key bodies; The key support portion is used to support each described key body; And connecting portion, be used for described key body is connected to described key support portion pivotly along the keystroke direction of described key body; And
Keyframe, it comprises: upper surface; And the key installation portion, it is arranged on the described upper surface, is used to lock the key support portion of described key unit; Wherein:
The key support portion of described key unit has first junction surface;
The key installation portion of described keyframe has second junction surface, and comprises: projection is arranged on the upper surface of described keyframe, and extends towards described key support portion; And a hole, be arranged on the described projection; And
One locking component links together described first junction surface and described second junction surface, is in the same place so that described key support portion is locked to each other with described key installation portion.
2. key board unit comprises:
Key unit, it comprises: one or more key bodies; The key support portion is used to support each described key body; And connecting portion, be used for described key body is connected to described key support portion pivotly along the keystroke direction of described key body; And
Keyframe, it comprises: upper surface; And the key installation portion, it is arranged on the described upper surface, is used to lock the key support portion of described key unit; Wherein:
The key support portion of described key unit has first junction surface, and described first junction surface has hook formation or is press-fitted structure;
The key installation portion of described keyframe has second junction surface, when described key unit is mounted to described keyframe, described second junction surface engages with described first junction surface, and described second junction surface has through hole or recess, engages to be used for the hook formation at described first junction surface or to be press-fitted structure; And
Described first junction surface and described second junction are in the top of the key installation portion of described keyframe.
3. key board unit according to claim 2, wherein:
Described key support portion has first hole;
Described key installation portion has: projection is arranged on the upper surface of described keyframe, and extends towards described key support portion; And second hole, be arranged on the described projection; And
In described first hole and described second hole, insert a locking component, so that described key support portion and described key installation portion are locked together.
4. key board unit according to claim 2, wherein:
Described key support portion has recess or mating holes;
Described key installation portion has projection, and described projection is arranged on the upper surface of described keyframe, and extends towards described key support portion; And
Described projection is inserted in described recess or the mating holes, be in the same place so that described key support portion is locked to each other with described key installation portion.
5. according to any described key board unit in the claim 2,3 and 4, wherein:
Width along described keyframe is provided with a plurality of described key units; And
Described keyframe has the stiffening rib that extends towards described key unit, described stiffening rib is arranged in the gap, described gap is formed between the key support portion of broad ways described key unit adjacent one another are, also is formed between the connecting portion of the described key unit that belongs to adjacent.
6. key board unit according to claim 2, wherein said keyframe are provided with the retainer with the adjacent setting in second junction surface of the key installation portion of described keyframe, are connected to the pivoting action of the hammer member of described key body with restriction.
7. key board unit comprises:
Key unit, it comprises: one or more key bodies; The key support portion is used to support each described key body; And connecting portion, be used for described key body is connected to described key support portion pivotly along the keystroke direction of described key body; And
Keyframe, it comprises: upper surface; And the key installation portion, it is arranged on the described upper surface, is used to lock the key support portion of described key unit; Wherein:
The key support portion of described key unit has first hole;
The key installation portion of described keyframe has: projection is arranged on the upper surface of described keyframe, and extends towards described key support portion; And second hole, be arranged on the described projection; And
In described first hole and described second hole, insert locking component, be in the same place so that described key support portion is locked to each other with described key installation portion.
8. key board unit according to claim 7, wherein:
The key support portion of described key unit has first junction surface;
The key installation portion of described keyframe has second junction surface, and when described key unit was mounted to described keyframe, described second junction surface engaged with described first junction surface; And
Described first junction surface and described second junction are in the top of the key installation portion of described keyframe.
9. key board unit according to claim 8, wherein said keyframe are provided with the retainer with the adjacent setting in second junction surface of the key installation portion of described keyframe, are connected to the pivoting action of the hammer member of described key body with restriction.
10. according to claim 7 or 8 described key board units, wherein:
Width along described keyframe is provided with a plurality of described key units; And
Described keyframe has the stiffening rib that extends towards described key unit, described stiffening rib is arranged in the gap, described gap is formed on along between the key support portion of described Width described key unit adjacent one another are, also is formed between the connecting portion of the described key unit that belongs to adjacent.
11. key board unit according to claim 7, wherein said locking component comprise screw or uncinus or screw and uncinus.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-173865 | 2007-07-02 | ||
| JP2007173865 | 2007-07-02 | ||
| JP2007173865A JP2009014817A (en) | 2007-07-02 | 2007-07-02 | Keyboard apparatus |
| JP2007173866A JP2009014818A (en) | 2007-07-02 | 2007-07-02 | Keyboard apparatus |
| JP2007-173866 | 2007-07-02 | ||
| JP2007173866 | 2007-07-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101339760A CN101339760A (en) | 2009-01-07 |
| CN101339760B true CN101339760B (en) | 2010-12-01 |
Family
ID=40213809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101295940A Expired - Fee Related CN101339760B (en) | 2007-07-02 | 2008-07-02 | Keyboard apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2009014818A (en) |
| CN (1) | CN101339760B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011022297A (en) * | 2009-07-15 | 2011-02-03 | Yamaha Corp | Keyboard device |
| JP2011043595A (en) * | 2009-08-20 | 2011-03-03 | Casio Computer Co Ltd | Electronic keyboard instrument |
| JP6405868B2 (en) * | 2014-10-09 | 2018-10-17 | ヤマハ株式会社 | Keyboard device |
| JP6070728B2 (en) * | 2015-01-14 | 2017-02-01 | ヤマハ株式会社 | Keyboard device |
| JP7003533B2 (en) * | 2017-09-27 | 2022-01-20 | カシオ計算機株式会社 | Key unit and keyboard instrument |
| JP7183768B2 (en) * | 2018-12-20 | 2022-12-06 | カシオ計算機株式会社 | instrument |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2835157A (en) * | 1956-04-18 | 1958-05-20 | Wilbur W Waters | Upright piano action |
| CN1114765A (en) * | 1992-08-10 | 1996-01-10 | 雅马哈株式会社 | Keyboard assembly for electronic musical instrument |
| US6002078A (en) * | 1992-08-10 | 1999-12-14 | Yamaha Corporation | Keyboard assembly for electronic musical instrument |
| JP3082696B2 (en) * | 1997-02-25 | 2000-08-28 | ヤマハ株式会社 | Keyboard device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2848186B2 (en) * | 1993-05-06 | 1999-01-20 | 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 |
-
2007
- 2007-07-02 JP JP2007173866A patent/JP2009014818A/en active Pending
-
2008
- 2008-07-02 CN CN2008101295940A patent/CN101339760B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2835157A (en) * | 1956-04-18 | 1958-05-20 | Wilbur W Waters | Upright piano action |
| CN1114765A (en) * | 1992-08-10 | 1996-01-10 | 雅马哈株式会社 | Keyboard assembly for electronic musical instrument |
| US6002078A (en) * | 1992-08-10 | 1999-12-14 | Yamaha Corporation | Keyboard assembly for electronic musical instrument |
| JP3082696B2 (en) * | 1997-02-25 | 2000-08-28 | ヤマハ株式会社 | Keyboard device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009014818A (en) | 2009-01-22 |
| CN101339760A (en) | 2009-01-07 |
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Granted publication date: 20101201 |