CN107481698A - A kind of adapter structure, adaptation method and a kind of fingerboard adaptive device - Google Patents

A kind of adapter structure, adaptation method and a kind of fingerboard adaptive device Download PDF

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Publication number
CN107481698A
CN107481698A CN201610363889.9A CN201610363889A CN107481698A CN 107481698 A CN107481698 A CN 107481698A CN 201610363889 A CN201610363889 A CN 201610363889A CN 107481698 A CN107481698 A CN 107481698A
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CN
China
Prior art keywords
adaptation
sub
aptamers
adapter structure
thing
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Granted
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CN201610363889.9A
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Chinese (zh)
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CN107481698B (en
Inventor
刘晓露
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Senlan Information Technology Shanghai Co ltd
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Easy Information Technology (shanghai) Co Ltd
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10CPIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C3/00Details or accessories
    • G10C3/12Keyboards; Keys
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10CPIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C3/00Details or accessories
    • G10C3/26Pedals or pedal mechanisms; Manually operated sound modification means
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

The present invention, which provides a kind of adapter structure, adaptation method and a kind of fingerboard adaptive device, the adapter structure, to be included:First aptamers, including relatively-movable at least two first adaptations sub-portion in a first direction, can along the first direction adjustment length of thing be adapted to with the thing to be adapted to the first direction be adapted to and with connected the second aptamers that can be along the second direction adjustment length of thing to be adapted to be adapted to the thing to be adapted in the second direction of first aptamers;Wherein, the connection end of the first adaptation sub-portion relatively moves for two the first adaptation sub-portions that the card division with default receiving space is connected with alloing by the card division in the corresponding receiving space.The fingerboard adaptive device includes adapter structure as described above, and the first aptamers bottom in the adapter structure has the concaveconvex structure with each key Corresponding matching in fingerboard.The present invention be able to can match with thing the to be adapted to such as keys and keyboard fitting of different length, different height.

Description

A kind of adapter structure, adaptation method and a kind of fingerboard adaptive device
Technical field
The present invention relates to musical instrument technical field, more particularly to piano technical field, specially a kind of adapter structure, adaptation method A kind of and fingerboard adaptive device.
Background technology
Piano is a kind of keyboard instrument, pulls hammer to beat string with key.Piano generally include pedal, tuning nail, hammer, Damper, hammered string instrument, soundboard and key are formed.Wherein, pedal refers to below piano with for the pedal stepped on enough.It is piano In most important accessory besides a keyboard.Damper is close to string, for preventing the vibrations of string.Such as when the key on piano When being pressed, the hammer inside piano can be beaten on the string made in a rule with copper, and sound is sent by the vibrations of string.Hit String machine is connected to key and hammer, is the soul of whole piano and most important accessory.Soundboard is located at the one piece big wood inside piano Plate, high-grade piano are combined into maple solid wood board, and modern low side popularizes the useful density board of qin.It in succession tuning nail, be close to string, When string vibrates, soundboard can be such that sound wave high efficiency is coupled in air, i.e., sound is reflected through castanets and expansion comes out.It is whole Individual key is combined by black key and white key, generally includes 36, black key, white key 52, totally 88.
With the continuous development of technology, modern piano is constantly combined with new technology, to how using new technology help piano drill New requirement is constantly proposed in terms of the teaching for playing and instructing piano.What present intelligent artifact needed is exactly the experience being close to the users, In the performance of piano, the movement locus of detection record key, truly the motion of reduction key is particularly important.Due to various models There is certain deviation in the keyboard size of piano, cause detection means can not be together with the key fitting matching of sizes.
The content of the invention
In view of the above the shortcomings that prior art, it is an object of the invention to provide a kind of adapter structure, adaptation method and one Kind fingerboard adaptive device, the motion for solving in the prior art to lack to key in performance is detected and detection means The problem of matching can not be bonded with the key of sizes.
In order to achieve the above objects and other related objects, the present invention provides a kind of adapter structure, and the adapter structure includes:First Aptamers, it can be adapted to along the first direction adjustment length of thing to be adapted to the thing to be adapted in the first direction;Described One aptamers are included in the relatively-movable at least two first adaptations sub-portion of the first direction.
Preferably, the connection end of each first adaptation sub-portion is the card division with default receiving space to cause by the card division Two the first adaptation sub-portions being connected can relatively move in the corresponding receiving space.
Preferably, first aptamers also include:For supporting each first adaptation sub-portion and being available for each first adaptation The second adaptation sub-portion that sub-portion moves in the first direction.
Preferably, between each first adaptation sub-portion by with Telescopic so that each first adaptation sub-portion is described the The relatively-movable telescoping member connection in one direction.
Preferably, the telescoping member be adjustable spring or including containing body and with the receiving mates and can be along the receiving The flexible extrusome of body.
Preferably, the adapter structure also includes:Second aptamers, being connected with first aptamers can be along the of thing to be adapted to Two direction adjustment lengths with the thing to be adapted in the second direction to be adapted to.
Preferably, second aptamers include the 3rd being adapted to sub-portion with what first aptamers were connected, are adapted to the described 3rd Sub-portion be connected and can be moved along the second direction with thing be adapted to the second direction be adapted to the 4th be adapted to sub-portion And for the described 4th adaptation sub-portion to be fixed on to the fixed part of the 3rd adaptation sub-portion.
Preferably, first aptamers are equiped with preset function circuit;The preset function circuit includes being correspondingly arranged in each institute State in the first adaptation sub-portion and each other by the connected circuit sub-portion of connector of stretching.
Preferably, the flexible connector include female connector and with the female connector connection status and can be along described The flexible male connector of the female connector.
To achieve the above object, the present invention also provides a kind of fingerboard adaptive device, and the fingerboard adaptive device is included such as Upper described adapter structure.
Preferably, the first aptamers bottom in the adapter structure has shape and each key Corresponding matching in the fingerboard Concaveconvex structure.
Preferably, the concave surface of the concaveconvex structure is the wedge concave surface with black key form fit in a first direction.
Preferably, the surface of the concaveconvex structure press close to each key be provided with for detect each key when playing displacement generation pair The multiple sensors for the button sampled signal answered.
To achieve the above object, the present invention also provides a kind of adaptation method, and the adaptation method includes:Setting one can be along waiting to be adapted to First aptamers of the first direction adjustment length of thing to be adapted to the thing to be adapted in the first direction, described first is fitted Part is divided into the relatively-movable at least two first adaptations sub-portion of the first direction.
Preferably, the adaptation method also includes:The connection end for setting each first adaptation sub-portion is with default receiving space Be connected with alloing by the card division two of card division the first adaptation sub-portions in the corresponding receiving space Relative movement;Or set one second adaptation sub-portion to be used to support each first adaptation sub-portion and be available for each first aptamer Moved in the first direction in portion;A telescoping member with Telescopic is set again or between each first adaptation sub-portion So that each first adaptation sub-portion can relatively move in the first direction.
As described above, a kind of adapter structure, adaptation method and a kind of fingerboard adaptive device of the present invention, have with following Beneficial effect:
1st, adapter structure of the invention is by setting at least two first aptamers that can be relatively moved along the first direction of thing to be adapted to Portion can have the various sizes of thing to be adapted to be adapted to in the first direction, can be bonded with the keys and keyboard of different length Matching.
2nd, adapter structure of the invention by set can along the second direction adjustment length of thing to be adapted to with the thing to be adapted in institute The second aptamers of second direction adaptation are stated, matching can be bonded with the keys and keyboard of different height.
3rd, the present invention is simple in construction, and adaptation is flexible, has stronger versatility and economic and practical.
Brief description of the drawings
Fig. 1 is shown as the overall structure diagram of the adapter structure of the present invention.
Fig. 2 is shown as a kind of specific connection diagram between the first adaptation sub-portion in the adapter structure of the present invention.
Fig. 3 is shown as the amplification profile of the first adaptation sub-portion in Fig. 2.
Fig. 4 is shown as a kind of preferred structure schematic diagram of the second aptamers in the adapter structure of the present invention.
Fig. 5 is shown as the schematic view of the mounting position of key sensor in the fingerboard adaptive device of the present invention.
Component label instructions
1 adapter structure
10 first aptamers
101 first adaptation sub-portions
101a card divisions
102 second adaptation sub-portions
11 second aptamers
111 the 3rd adaptation sub-portions
112 the 4th adaptation sub-portions
113 fixed parts
12 concaveconvex structures
13 indicator lamps
2 fingerboards
Embodiment
Illustrate embodiments of the present invention below by way of specific instantiation, those skilled in the art can be as disclosed by this specification Content understand easily the present invention other advantages and effect.The present invention can also add by way of a different and different embodiment To implement or apply, the various details in this specification can also be based on different viewpoints and application, in the essence without departing from the present invention God is lower to carry out various modifications or alterations.
The purpose of the present embodiment is to provide a kind of adapter structure, adaptation method and a kind of fingerboard adaptive device, for solving The problem of certainly the movement locus precision of detection key is low in the prior art.A kind of adapter structure of the present embodiment described in detail below, Adaptation method and a kind of principle and embodiment of fingerboard adaptive device, make those skilled in the art not need creative labor The dynamic a kind of adapter structure, adaptation method and a kind of fingerboard adaptive device for being appreciated that the present embodiment.
The present invention provides a kind of adapter structure, as shown in figure 1, the adapter structure 1 includes:First aptamers 10, can be along treating The first direction adjustment length of thing is adapted to be adapted to the thing to be adapted in the first direction;First aptamers 10 include In the relatively-movable at least two first adaptations sub-portion 101 of the first direction.Wherein, in the present embodiment, described first Direction is the length direction for treating aptamers, some distances relatively moved by least two first adaptation sub-portions 101, with The band aptamers adaptation of different length.
Specifically, in the present embodiment, each first adaptation relative movement of sub-portion 101 realizes that the structure of adjustment length refers to Following three kinds of modes, but it is not limited to following three kinds of modes.
First way:First aptamers 10 also include:For supporting each first adaptation sub-portion 101 and being available for each institute State the second adaptation sub-portion 102 that the first adaptation sub-portion 101 moves in the first direction.Such as the second adaptation sub-portion 102 Chute is provided with, each first adaptation sub-portion 101 can be in the slide of the described second adaptation sub-portion 102.
The second way:As shown in Figures 2 and 3, the connection end of each first adaptation sub-portion 101 is to accommodate sky with default Between two first adaptation sub-portions 101 being connected with alloing by the card division 101a of card division 101a in corresponding The receiving space in relatively move.Under this connected mode, still it can be provided in first aptamers 10 Support it is each it is described first adaptation sub-portion 101 and be available for it is each it is described first adaptation sub-portion 101 the first direction move second fit With sub-portion 102.Such as the second adaptation sub-portion 102 is provided with chute, each first adaptation sub-portion 101 can be in described the The slide of two adaptation sub-portions 102, while the connection end of each first adaptation sub-portion 101 can be in corresponding card division 101a The receiving space in relatively move.
The third mode:It is each it is described first adaptation sub-portion 101 between by with Telescopic so that it is each it is described first adaptation sub-portion 101 in the relatively-movable telescoping member connection of the first direction.Wherein, the telescoping member is that adjustable spring, elasticity are stretched Contracting rope body or including containing body and with the receiving mates and the extrusome that can be stretched along the containing body, such as with needle tubing The extrusome of structure.
In addition, in the present embodiment, the adapter structure 1 also includes:Second aptamers 11, with first aptamers 10 Being connected can be adapted to along the second direction adjustment length of thing to be adapted to the thing to be adapted in the second direction.Wherein, Yu Ben In embodiment, the second direction is to treat the short transverse of aptamers.
Specifically, as shown in figure 4, second aptamers 11 include the 3rd aptamer being connected with first aptamers 10 Portion 111, with the described 3rd be adapted to sub-portion 111 be connected and can be moved along the second direction with the thing to be adapted to described The 4th of second direction adaptation is adapted to sub-portion 112 and for the described 4th adaptation sub-portion 112 to be fixed on into the 3rd aptamer The fixed part 113 in portion 111, wherein, the fixed part 113 is, for example, handle screw.
In addition, in the present embodiment, first aptamers 10 are equiped with preset function circuit;The preset function circuit includes It is correspondingly arranged in each first adaptation sub-portion 101 and each other by the connected circuit sub-portion of connector of stretching.Wherein, The flexible connector includes female connector and with can be connected under the female connector connection status and along the female The flexible male connector of part.
As shown in figure 1, a kind of fingerboard adaptive device is also provided in the present embodiment, the adaptive device bag of fingerboard 2 Include adapter structure 1 as described above.It is above-mentioned that the adapter structure 1 is described in detail, it will not be repeated here.
As shown in figure 1, in the present embodiment, the bottom of the first aptamers 10 in the adapter structure 1 has shape and piano key The concaveconvex structure 12 of each key Corresponding matching in disk 2.Concave surface in the concaveconvex structure 12 has and each black key form fit Inclination angle, i.e., the concave surface of described concaveconvex structure 12 are wedge concave surface, the concave surface of the concaveconvex structure 12 in a first direction with it is black The wedge concave surface of key form fit, to be preferably bonded matching with key.
In addition, the surface of the concaveconvex structure 12 press close to each key be provided with for detect each key when playing displacement generation pair The multiple sensors for the button sampled signal answered.
Piano key amounts to 88 including two kinds of buttons of black and white, then corresponding sensor has also corresponded 88, each biography Sensor is used to detect displacement (press and lift action caused by) generation corresponding button sampled signal of each key when playing;It is excellent Choosing, the sensor includes signal transmitting terminal and receiving terminal, and each sensor may be configured as pressing close to be arranged at correspondingly On each key, so ensure that signal if photoelectric sensor, then will not can greatly reduce extraneous light interference by external interference.
The sensor is arranged at the surface of the concaveconvex structure 12 and set towards key, its transmitting terminal transmission signal to corresponding qin Key, receiving terminal reception is delivered to after key reflects, it is button sampled signal to produce transducing signal according to distance;It is black, white to distinguish Key, the position of corresponding black, white key sensor can be different, and the sensor of all corresponding black keys is generally aligned in the same plane, all right Answer the sensor of white key to be generally aligned in the same plane, have range difference between two planes (such as A, B plane shown in Fig. 5), then press Key sampled signal values also have larger difference, available for differentiation black key or white key.
In one embodiment, it is preferred that the sensor is noncontacting proximity sensor, including:Photoelectric sensor and magnetic-electric sensing One kind in device, the design of noncontacting proximity sensor can retain the feel of traditional piano to greatest extent;Or the sensing Device is touch sensor, by obtaining the button sampled signal with the contact conducting resinl set located at conducting resinl key surface.
Especially, in the present embodiment, the position one respectively with each key in fingerboard 2 is equiped with the adapter structure 1 Multiple indicator lamps 13 that a pair of keys for being applied to be pressed during to playing next syllable behind current syllable are indicated, Piano key amounts to 88 including two kinds of buttons of black and white, then corresponding indicator lamp 13, which also corresponds, 88.
Preferably, each indicator lamp 13 can be double-colored or three colors, for indicating that corresponding key should use such as left hand or the right hand Play.Wherein, multiple indicator lamps 13 arrange in straight line or multiple indicator lamps 13 include being arranged in a linear For multiple first indicator lamps 13 indicated the first key and it is arranged in a linear for being pointed to above first key Multiple second indicator lamps 13 for being indicated of the second key.The indicator lamp 13 can be but be not limited to LED light or red Outer indicator lamp.
The present embodiment also provides a kind of adaptation method, and the adaptation method includes:Setting one can adjust along the first direction of thing to be adapted to Length is saved with the first aptamers 10 being adapted to the thing to be adapted in the first direction, first aptamers 10 are divided into In the relatively-movable at least two first adaptations sub-portion 101 of the first direction.
In the present embodiment, the adaptation method also includes:The connection end for setting each first adaptation sub-portion 101 is with pre- If the card division 101a of receiving space can with two that to be connected by the card division 101a the first adaptation sub-portions 101 To be relatively moved in the corresponding receiving space;Or one second adaptation sub-portion 102 is set to be used to support each described first to fit With sub-portion 101 and it is available for each first adaptation sub-portion 101 to be moved in the first direction;Again or in each first adaptation One telescoping member with Telescopic is set between sub-portion 101 so that each first adaptation sub-portion 101 is in the first direction It can relatively move.
The concrete structure of first aptamers 10 is above-mentioned to be had been carried out being described in detail, and will not be repeated here.
In summary, adapter structure of the invention can be along at least two the of the first direction relative movement of thing be adapted to by setting One adaptation sub-portion can have the various sizes of thing to be adapted to be adapted to in the first direction, can be with the key of different length Keyboard fitting matching;The adapter structure of the present invention can be waited to fit by setting along the second direction adjustment length of thing to be adapted to described The second aptamers 11 being adapted to thing in the second direction, matching can be bonded with the keys and keyboard of different height;Present invention knot Structure is simple, and adaptation is flexible, has stronger versatility and economic and practical.So the present invention effectively overcomes in the prior art Various shortcoming and have high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any to be familiar with this skill The personage of art all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Therefore, such as Those of ordinary skill in the art without departing from disclosed spirit with completed under technological thought all etc. Modifications and changes are imitated, should be covered by the claim of the present invention.

Claims (15)

  1. A kind of 1. adapter structure, it is characterised in that:The adapter structure includes:
    First aptamers, it can be fitted along the first direction adjustment length of thing to be adapted to the thing to be adapted in the first direction Match somebody with somebody;First aptamers are included in the relatively-movable at least two first adaptations sub-portion of the first direction.
  2. 2. adapter structure according to claim 1, it is characterised in that:The connection end of each first adaptation sub-portion is with default Two the first adaptation sub-portions that the card division of receiving space is connected with alloing by the card division are in corresponding institute State in receiving space and relatively move.
  3. 3. adapter structure according to claim 1 or 2, it is characterised in that:First aptamers also include:It is each for supporting The first adaptation sub-portion and the second adaptation sub-portion for being available for each first adaptation sub-portion to be moved in the first direction.
  4. 4. adapter structure according to claim 1, it is characterised in that:By with flexible work(between each first adaptation sub-portion Can be so that each first adaptation sub-portion connects in the relatively-movable telescoping member of the first direction.
  5. 5. adapter structure according to claim 4, it is characterised in that:The telescoping member be adjustable spring or including containing body and With the extrusome that accommodates mates and can be stretched along the containing body.
  6. 6. adapter structure according to claim 1, it is characterised in that:The adapter structure also includes:
    Second aptamers, it is connected with first aptamers and can waits to fit with described along the second direction adjustment length of thing to be adapted to It is adapted to thing in the second direction.
  7. 7. adapter structure according to claim 6, it is characterised in that:Second aptamers include being adapted to body phase with described first The 3rd adaptation sub-portion even, it is connected and can be moved along the second direction with waiting to be adapted to described be adapted to sub-portion with the described 3rd The 4th adaptation sub-portion and fitted for the described 4th adaptation sub-portion to be fixed on into the described 3rd that thing is adapted in the second direction Fixed part with sub-portion.
  8. 8. according to the adapter structure described in claim 1 to 7 any claim, it is characterised in that:First aptamers are equiped with Preset function circuit;The preset function circuit includes being correspondingly arranged in each first adaptation sub-portion and each other passing through The connected circuit sub-portion of flexible connector.
  9. 9. adapter structure according to claim 8, it is characterised in that:The flexible connector include female connector and with institute State the male connector that can be stretched under female connector connection status and along the female connector.
  10. A kind of 10. fingerboard adaptive device, it is characterised in that:The fingerboard adaptive device is included such as claim 1 to right It is required that the adapter structure described in 9 any claims.
  11. 11. fingerboard adaptive device according to claim 10, it is characterised in that:The first adaptation in the adapter structure Body bottom has shape and the concaveconvex structure of each key Corresponding matching in the fingerboard.
  12. 12. fingerboard adaptive device according to claim 11, it is characterised in that:The concave surface of the concaveconvex structure is in first party To the wedge concave surface with black key form fit.
  13. 13. according to the fingerboard adaptive device of claim 11 or 12, it is characterised in that:The surface of the concaveconvex structure is pressed close to respectively Key is provided with multiple sensors for detecting button sampled signal corresponding to displacement generation of each key when playing.
  14. A kind of 14. adaptation method, it is characterised in that:The adaptation method includes:
    Setting one can be adapted to along the first direction adjustment length of thing to be adapted to the thing to be adapted in the first direction The first aptamers, first aptamers are divided into relatively-movable at least two first aptamer of the first direction Portion.
  15. 15. adaptation method according to claim 14, it is characterised in that:The adaptation method also includes:Set each described The connection end of first adaptation sub-portion is the card division with default receiving space to cause two be connected by the card division The first adaptation sub-portion can relatively move in the corresponding receiving space;Or one second adaptation sub-portion is set to be used for Support each first adaptation sub-portion and be available for each first adaptation sub-portion to be moved in the first direction;Again or in each institute State and a telescoping member with Telescopic is set between the first adaptation sub-portion so that each first adaptation sub-portion is described the One direction can relatively move.
CN201610363889.9A 2016-05-27 2016-05-27 Adaptation structure, adaptation method and piano keyboard adaptation device Active CN107481698B (en)

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Application Number Priority Date Filing Date Title
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CN107481698B CN107481698B (en) 2023-07-25

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Publication number Priority date Publication date Assignee Title
CN1052963A (en) * 1989-12-27 1991-07-10 卡西欧计算机株式会社 The key board unit of musical instrument
US20010037717A1 (en) * 2000-05-08 2001-11-08 Kabushiki Kaisha Kawai Gakki Seisakusho Fallboard arrangement for keyboard instrument
US20030106412A1 (en) * 2001-08-10 2003-06-12 David Steinbuhler Portable keyboard
JP2003323178A (en) * 2002-03-01 2003-11-14 Yamaha Corp Key depression detection apparatus for keyboard instrument
CN101086837A (en) * 2006-06-08 2007-12-12 雅马哈株式会社 Keyboard apparatus
JP2008145943A (en) * 2006-12-13 2008-06-26 Yamaha Corp Keyboard device of electronic musical instrument
US20100064879A1 (en) * 2008-01-04 2010-03-18 Szczap Joseph P Key leveler for musical instruments, computerized key leveling system, and methods of use
CN101685625A (en) * 2008-09-25 2010-03-31 雅马哈株式会社 Keyboard device
JP2010152092A (en) * 2008-12-25 2010-07-08 Casio Computer Co Ltd Keyboard structure
CN103258530A (en) * 2012-02-15 2013-08-21 雅马哈株式会社 Keyboard device for electronic musical instrument
CN103426425A (en) * 2012-05-18 2013-12-04 卡西欧计算机株式会社 Keyboard unit and keyboard musical instrument
CN203444740U (en) * 2013-09-12 2014-02-19 深圳市爱利特科技有限公司 Silica gel keyboard and silica gel piano
CN203673819U (en) * 2014-01-10 2014-06-25 湖北华都钢琴制造有限公司 Automatic performing piano key
CN105405431A (en) * 2014-09-08 2016-03-16 卡西欧计算机株式会社 Keyboard device and keyboard instrument

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1052963A (en) * 1989-12-27 1991-07-10 卡西欧计算机株式会社 The key board unit of musical instrument
US20010037717A1 (en) * 2000-05-08 2001-11-08 Kabushiki Kaisha Kawai Gakki Seisakusho Fallboard arrangement for keyboard instrument
US20030106412A1 (en) * 2001-08-10 2003-06-12 David Steinbuhler Portable keyboard
JP2003323178A (en) * 2002-03-01 2003-11-14 Yamaha Corp Key depression detection apparatus for keyboard instrument
CN101086837A (en) * 2006-06-08 2007-12-12 雅马哈株式会社 Keyboard apparatus
JP2008145943A (en) * 2006-12-13 2008-06-26 Yamaha Corp Keyboard device of electronic musical instrument
US20100064879A1 (en) * 2008-01-04 2010-03-18 Szczap Joseph P Key leveler for musical instruments, computerized key leveling system, and methods of use
CN101685625A (en) * 2008-09-25 2010-03-31 雅马哈株式会社 Keyboard device
JP2010152092A (en) * 2008-12-25 2010-07-08 Casio Computer Co Ltd Keyboard structure
CN103258530A (en) * 2012-02-15 2013-08-21 雅马哈株式会社 Keyboard device for electronic musical instrument
CN103426425A (en) * 2012-05-18 2013-12-04 卡西欧计算机株式会社 Keyboard unit and keyboard musical instrument
CN203444740U (en) * 2013-09-12 2014-02-19 深圳市爱利特科技有限公司 Silica gel keyboard and silica gel piano
CN203673819U (en) * 2014-01-10 2014-06-25 湖北华都钢琴制造有限公司 Automatic performing piano key
CN105405431A (en) * 2014-09-08 2016-03-16 卡西欧计算机株式会社 Keyboard device and keyboard instrument

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