CN107481698B - Adaptation structure, adaptation method and piano keyboard adaptation device - Google Patents

Adaptation structure, adaptation method and piano keyboard adaptation device Download PDF

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Publication number
CN107481698B
CN107481698B CN201610363889.9A CN201610363889A CN107481698B CN 107481698 B CN107481698 B CN 107481698B CN 201610363889 A CN201610363889 A CN 201610363889A CN 107481698 B CN107481698 B CN 107481698B
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aptamer
key
parts
adaptation
adapting
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CN107481698A (en
Inventor
刘晓露
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Senlan Information Technology Shanghai Co ltd
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Senlan 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 invention provides an adapting structure, an adapting method and a piano keyboard adapting device, wherein the adapting structure comprises the following components: a first aptamer comprising at least two first aptamer portions relatively movable in a first direction, a second aptamer adjustable in length along a first direction of a substance to be adapted to fit the substance to be adapted in the first direction and connected to the first aptamer, a first aptamer adjustable in length along a second direction of the substance to be adapted to fit the substance to be adapted in the second direction; the connecting end of the first aptamer portion is a clamping portion with a preset accommodating space, so that the two first aptamer portions connected in a matched mode through the clamping portion can relatively move in the corresponding accommodating space. The piano keyboard adapting device comprises the adapting structure, wherein the first adapting body bottom in the adapting structure is provided with a concave-convex structure correspondingly matched with each key in the piano keyboard. The invention can be fit with the objects to be fitted such as key keyboards with different lengths and different heights.

Description

Adaptation structure, adaptation method and piano keyboard adaptation device
Technical Field
The invention relates to the technical field of musical instruments, in particular to the technical field of pianos, and specifically relates to an adapting structure, an adapting method and a piano keyboard adapting device.
Background
A piano is a keyboard musical instrument in which a hammer is pulled with keys to strike strings. A piano generally includes pedals, tuning pins, hammers, dampers, string-striking machines, tone plates, and keys. The pedal refers to a pedal which is stepped on by feet under a piano. It is the most important accessory in pianos other than keyboards. The dampers are closely attached to the strings and are used for preventing the vibrations of the strings. For example, when a key on a piano is depressed, a hammer inside the piano is made to strike a string made of copper, and sounds are made by vibration of the string. The string striking machine is connected with the keys and the hammers, and is the soul and the most important accessory of the whole piano. The soundboard is located a big plank inside the piano, and the top-grade piano is made up by using maple solid planks, and the modern low-end popular piano is a useful density board. The tuning pin is connected with the tuning pin, is tightly attached to the string, and when the string vibrates, the soundboard can enable sound waves to be coupled into the air with high efficiency, namely, sound is reflected and amplified through the soundboard. The whole key is formed by combining black keys and white keys, and generally comprises 36 black keys and 52 white keys, and 88 white keys.
With the continuous development of technology, modern pianos are continuously combined with new technologies, and new requirements are continuously put on how to utilize the new technologies to help the performance of pianos and to guide the teaching of pianos. What is needed in the existing intelligent products is that the intelligent products are close to the experience of users, and in the playing of pianos, the detection and recording of the motion trail of keys are important, so that the motion of the keys is truly restored. Because the keyboard sizes of the pianos of various types have certain deviation, the detection device cannot be matched with keys of various sizes in a fitting way.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide an adapting structure, an adapting method and a piano keyboard adapting device, which are used for solving the problems that in the prior art, the detection of the motion of the key in playing is lacking and the detecting device cannot be matched with keys with various sizes in a fitting manner.
To achieve the above and other related objects, the present invention provides an adapting structure comprising: a first aptamer, adjustable in length along a first direction of an aptamer to be adapted with the aptamer in the first direction; the first aptamer comprises at least two first aptamer portions relatively movable in the first direction.
Preferably, the connection end of each first adaptor part is a clamping part with a preset accommodating space, so that the two first adaptor parts connected in a matched manner through the clamping parts can relatively move in the corresponding accommodating spaces.
Preferably, the first aptamer further comprises: and a second adaptor portion for supporting each of the first adaptor portions and allowing each of the first adaptor portions to move in the first direction.
Preferably, the first adaptor portions are connected by a telescopic member having a telescopic function so that the first adaptor portions are relatively movable in the first direction.
Preferably, the telescopic member is a telescopic spring or comprises a containing body and a telescopic body which is matched with the containing body and can be telescopic along the containing body.
Preferably, the adapting structure further comprises: and the second aptamer is connected with the first aptamer, and can adjust the length along a second direction of the object to be adapted so as to adapt to the object to be adapted in the second direction.
Preferably, the second aptamer comprises a third aptamer portion connected to the first aptamer, a fourth aptamer portion connected to the third aptamer portion and movable in the second direction to adapt to the object to be adapted in the second direction, and a fixing portion for fixing the fourth aptamer portion to the third aptamer portion.
Preferably, the first adapter is provided with a preset functional circuit; the preset functional circuit comprises circuit sub-parts which are correspondingly arranged on the first aptamer sub-parts and are connected with each other through telescopic connecting pieces.
Preferably, the telescopic connector comprises a female connector and a male connector which is telescopic along the female connector in a state of being connected with the female connector.
In order to achieve the above object, the present invention also provides a piano keyboard adapter device comprising the above-described adapter structure.
Preferably, the bottom of the first adapting body in the adapting structure is provided with a concave-convex structure with a shape corresponding to and matched with each key in the piano keyboard.
Preferably, the concave surface of the concave-convex structure is a wedge-shaped concave surface matching the shape of the black key in the first direction.
Preferably, a plurality of sensors for detecting displacement of each key at the time of playing to generate corresponding key sampling signals are provided on the surface of the concave-convex structure adjacent to each key.
To achieve the above object, the present invention also provides an adaptation method, the adaptation method comprising: and setting a first aptamer capable of adjusting the length along a first direction of an object to be matched so as to be matched with the object to be matched in the first direction, and dividing the first aptamer into at least two first aptamer parts capable of relatively moving in the first direction.
Preferably, the adaptation method further comprises: the connecting end of each first aptamer part is provided with a clamping part with a preset accommodating space, so that the two first aptamer parts which are connected in a matched manner through the clamping parts can relatively move in the corresponding accommodating spaces; or a second aptamer portion is provided for supporting each first aptamer portion and allowing each first aptamer portion to move in the first direction; and further or arranging a telescopic member with telescopic function between the first aptamer portions so that the first aptamer portions can move relatively in the first direction.
As described above, the adapting structure, the adapting method and the piano keyboard adapting device of the present invention have the following beneficial effects:
1. the adapting structure can be matched with keys with different lengths in a fitting way by arranging at least two first adapting parts which can relatively move along the first direction of the object to be adapted and can be adapted to the object to be adapted with different sizes in the first direction.
2. The adapting structure can be matched with key keyboards with different heights in a fitting way by arranging the second adapting body which can adjust the length along the second direction of the object to be adapted so as to be adapted to the object to be adapted in the second direction.
3. The invention has simple structure, flexible adaptation and stronger universality and economical practicability.
Drawings
Fig. 1 shows a schematic overall structure of the adapting structure of the present invention.
Fig. 2 is a schematic diagram showing a specific connection between the first adaptor parts in the adaptor structure of the present invention.
Fig. 3 is an enlarged cross-sectional view of the first adaptor portion of fig. 2.
FIG. 4 shows a schematic diagram of a preferred structure of a second aptamer in the adaptation structure of the invention.
Fig. 5 is a schematic view showing the installation positions of the key sensors in the piano keyboard adapter of the present invention.
Description of element reference numerals
1. Adapting structure
10. First aptamer
101. First aptamer portion
101a clamping part
102. Second aptamer portion
11. Second aptamer
111. Third aptamer portion
112. Fourth aptamer portion
113. Fixing part
12. Concave-convex structure
13. Indicating lamp
2. Piano keyboard
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention.
The embodiment aims to provide an adapting structure, an adapting method and a piano keyboard adapting device, which are used for solving the problem of low accuracy of detecting the motion trail of a key in the prior art. The principle and implementation of an adapting structure, an adapting method and a piano keyboard adapting device of the present embodiment will be described in detail below, so that those skilled in the art can understand an adapting structure, an adapting method and a piano keyboard adapting device of the present embodiment without creative labor.
The present invention provides an adapting structure, as shown in fig. 1, the adapting structure 1 comprises: a first aptamer 10, adjustable in length along a first direction of an object to be adapted to fit with the object to be adapted in the first direction; the first aptamer 10 includes at least two first aptamer portions 101 relatively movable in the first direction. In this embodiment, the first direction is the length direction of the to-be-fitted body, and is adapted to the band-fitted body with different lengths by a point distance of the relative movement of at least two first adaptor portions 101.
Specifically, in the present embodiment, the structure for realizing the adjustment of the length by the relative movement of the first adaptor part 101 may refer to the following three methods, but is not limited to the following three methods.
The first way is: the first aptamer 10 further comprises: a second adaptor part 102 for supporting each of the first adaptor parts 101 and allowing each of the first adaptor parts 101 to move in the first direction. For example, the second adaptor part 102 is provided with a sliding slot, and each of the first adaptor parts 101 is slidable in the sliding slot of the second adaptor part 102.
The second way is: as shown in fig. 2 and 3, the connection end of each first adaptor part 101 is a card part 101a having a predetermined accommodation space so that two first adaptor parts 101 connected by the card part 101a can relatively move in the corresponding accommodation space. In this connection, a second adaptor part 102 for supporting each of the first adaptor parts 101 and allowing each of the first adaptor parts 101 to move in the first direction may be provided in the first adaptor 10. For example, the second adaptor part 102 is provided with a sliding slot, each first adaptor part 101 may slide in the sliding slot of the second adaptor part 102, and at the same time, the connection end of each first adaptor part 101 may relatively move in the accommodating space of the corresponding card part 101 a.
Third mode: the first adaptor parts 101 are connected by a telescopic member having a telescopic function so that the first adaptor parts 101 are relatively movable in the first direction. The telescopic member is a telescopic spring, an elastic telescopic rope body or a telescopic body which comprises a containing body and a telescopic body which is matched with the containing body and can stretch along the containing body, for example, the telescopic body is provided with a needle tube structure.
Furthermore, in the present embodiment, the adapting structure 1 further comprises: and the second aptamer 11 is connected with the first aptamer 10 and can adjust the length along the second direction of the object to be adapted so as to adapt to the object to be adapted in the second direction. In this embodiment, the second direction is a height direction of the ligand to be adapted.
Specifically, as shown in fig. 4, the second adaptor 11 includes a third adaptor part 111 connected to the first adaptor 10, a fourth adaptor part 112 connected to the third adaptor part 111 and movable in the second direction to be matched with the object to be fitted in the second direction, and a fixing part 113 for fixing the fourth adaptor part 112 to the third adaptor part 111, wherein the fixing part 113 is, for example, a handle screw.
In addition, in the present embodiment, the first adapter 10 is provided with a preset function circuit; the preset functional circuit includes circuit sub-portions correspondingly disposed on the first adaptor portions 101 and connected to each other by a telescopic connector. The telescopic connecting piece comprises a female connecting piece and a male connecting piece which is connected with the female connecting piece and can stretch out and draw back along the female connecting piece.
As shown in fig. 1, there is also provided a piano keyboard adapter device in the present embodiment, the piano keyboard 2 adapter device including the adapter structure 1 as described above. The above details of the adapting structure 1 have been described above and are not described here again.
As shown in fig. 1, in the present embodiment, the bottom of the first adapter body 10 in the adapting structure 1 has a concave-convex structure 12 with a shape corresponding to each key in the piano keyboard 2. The concave surface in the concave-convex structure 12 has an inclination angle matching with the appearance of each black key, that is, the concave surface of the concave-convex structure 12 is a wedge-shaped concave surface, and the concave surface of the concave-convex structure 12 is a wedge-shaped concave surface matching with the shape of the black key in the first direction so as to be better fit with the keys.
Further, the surface of the concave-convex structure 12 is provided with a plurality of sensors for detecting displacement of each key at the time of playing to generate corresponding key sampling signals, in close proximity to each key.
The piano keys comprise 88 keys in total, 88 sensors are respectively corresponding to the keys, and each sensor is used for detecting displacement (generated by pressing and lifting actions) of each key during playing to generate corresponding key sampling signals; preferably, the sensor includes a signal transmitting end and a signal receiving end, and each sensor may be arranged to be closely arranged on each key in a one-to-one correspondence manner, so that the signal is ensured not to be interfered by the outside, and if the sensor is a photoelectric sensor, the interference of external light can be greatly reduced.
The sensor is arranged on the surface of the concave-convex structure 12 and faces the keys, and the transmitting end transmits signals to the corresponding keys, and the signals are transmitted to the receiving end to be received after being reflected by the keys, and sensing signals, namely key sampling signals, are generated according to the distance; in order to distinguish between black and white keys, the positions of the sensors corresponding to the black and white keys may be different, all the sensors corresponding to the black keys are located on the same plane, all the sensors corresponding to the white keys are located on the same plane, and there is a distance difference between the two planes (for example, A, B plane shown in fig. 5), so that the key sampling signal values are also greatly different, and the key sampling signal values can be used for distinguishing between the black keys and the white keys.
In one embodiment, preferably, the sensor is a non-contact sensor, including: one of the photoelectric sensor and the magneto sensor, the design of the non-contact sensor can keep the hand feeling of the traditional piano to the maximum extent; or the sensor is a contact sensor, and the key sampling signal is obtained through contact conductive adhesive arranged on the surface of the conductive adhesive key.
In particular, in this embodiment, the adapting structure 1 is provided with a plurality of indicator lamps 13 respectively corresponding to the positions of the keys in the piano keyboard 2 one by one, to indicate the keys that should be pressed when playing the next syllable behind the current syllable, and the piano keys include 88 keys in total, and the corresponding indicator lamps 13 also correspond 88 one by one.
Preferably, each of the indicator lamps 13 may be two-color or three-color for indicating that the corresponding key should be played with, for example, left hand or right hand, etc. Wherein the plurality of indicator lamps 13 are arranged in a straight line or the plurality of indicator lamps 13 include a plurality of first indicator lamps 13 arranged in a straight line for indicating a first key and a plurality of second indicator lamps 13 arranged in a straight line for indicating a second key located above the first key. The indicator light 13 may be, but is not limited to, an LED indicator light or an infrared indicator light.
The embodiment also provides an adaptation method, which comprises the following steps: a first aptamer 10, which can adjust the length along a first direction of an object to be adapted to the object to be adapted in the first direction, is provided, and the first aptamer 10 is divided into at least two first aptamer portions 101 which can relatively move in the first direction.
In this embodiment, the adaptation method further includes: providing a connection end of each first adaptor part 101 as a clamping part 101a with a preset accommodating space so that two first adaptor parts 101 connected in a matched manner through the clamping parts 101a can relatively move in the corresponding accommodating spaces; or a second adaptor part 102 is provided for supporting each of the first adaptor parts 101 and allowing each of the first adaptor parts 101 to move in the first direction; further, or a telescopic member having a telescopic function is provided between the first adaptor parts 101 so that the first adaptor parts 101 can move relatively in the first direction.
The specific structure of the first aptamer 10 has been described in detail above, and will not be described here again.
In summary, the adapting structure of the present invention is provided with at least two first adapting parts capable of relatively moving along a first direction of an object to be adapted, so that the adapting structure is capable of adapting to the object to be adapted having different sizes along the first direction, and is capable of fitting and matching with key keyboards of different lengths; the adapting structure can be fit with key keyboards with different heights by arranging the second adapting body 11 which can adjust the length along the second direction of the object to be adapted so as to be adapted to the object to be adapted in the second direction; the invention has simple structure, flexible adaptation and stronger universality and economical practicability. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (6)

1. An adaptation structure, adaptation structure is applied to piano keyboard, its characterized in that: the adaptation structure comprises:
a first aptamer, adjustable in length along a first direction of an aptamer to be adapted with the aptamer in the first direction; the first aptamer comprises at least two first aptamer parts capable of relatively moving in the first direction, and second aptamer parts used for supporting the first aptamer parts and allowing the first aptamer parts to move in the first direction; the first direction is the length direction of the ligand to be fitted; the bottom of the first adapter body is provided with a concave-convex structure with a shape corresponding to each key in the piano keyboard; the concave surface of the concave-convex structure is a wedge-shaped concave surface matched with the shape of the black key in the first direction; the surface of the concave-convex structure is close to each key and is provided with a plurality of sensors for detecting the displacement of each key during playing to generate corresponding key sampling signals;
and the second aptamer is connected with the first aptamer, and can adjust the length along a second direction of the object to be adapted so as to adapt to the object to be adapted in the second direction, wherein the second direction is the height direction of the object to be adapted.
2. The adaptation structure according to claim 1, wherein: the connecting end of each first aptamer portion is a clamping portion with a preset accommodating space, so that two first aptamer portions which are connected in a matched mode through the clamping portions can relatively move in the corresponding accommodating space.
3. The adaptation structure according to claim 1, wherein: the second aptamer comprises a third aptamer part connected with the first aptamer, a fourth aptamer part connected with the third aptamer part and capable of moving along the second direction so as to be matched with the object to be matched in the second direction, and a fixing part used for fixing the fourth aptamer part on the third aptamer part.
4. A fitting structure according to any of claims 1 to 3, characterized in that: the first adapter is provided with a preset functional circuit; the preset functional circuit comprises circuit sub-parts which are correspondingly arranged on the first aptamer sub-parts and are connected with each other through telescopic connecting pieces.
5. The adaptation structure of claim 4, wherein: the telescopic connecting piece comprises a female connecting piece and a male connecting piece which can extend and retract along the female connecting piece in a state of being connected with the female connecting piece.
6. An adaptation method applied to a piano keyboard, characterized by: the adaptation method comprises the following steps:
setting a first aptamer capable of adjusting the length along a first direction of an object to be adapted so as to be adapted to the object to be adapted in the first direction; the first aptamer comprises at least two first aptamer parts capable of relatively moving in the first direction and second aptamer parts used for supporting the first aptamer parts and allowing the first aptamer parts to move in the first direction; the first direction is the length direction of the ligand to be fitted; the bottom of the first adapter body is provided with a concave-convex structure with a shape corresponding to each key in the piano keyboard; the concave surface of the concave-convex structure is a wedge-shaped concave surface matched with the shape of the black key in the first direction; the surface of the concave-convex structure is close to each key and is provided with a plurality of sensors for detecting the displacement of each key during playing to generate corresponding key sampling signals;
and setting a second aptamer connected with the first aptamer, wherein the length of the second aptamer can be adjusted along a second direction of an object to be adapted so as to adapt to the object to be adapted in the second direction, and the second direction is the height direction of the object to be adapted.
CN201610363889.9A 2016-05-27 2016-05-27 Adaptation structure, adaptation method and piano keyboard adaptation device Active CN107481698B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101086837A (en) * 2006-06-08 2007-12-12 雅马哈株式会社 Keyboard apparatus
JP2010152092A (en) * 2008-12-25 2010-07-08 Casio Computer Co Ltd Keyboard structure
CN103426425A (en) * 2012-05-18 2013-12-04 卡西欧计算机株式会社 Keyboard unit and keyboard musical instrument

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1024051C (en) * 1989-12-27 1994-03-16 卡西欧计算机株式会社 Keyboard apparatus for musical instrument
JP4226191B2 (en) * 2000-05-08 2009-02-18 株式会社河合楽器製作所 Keyboard lid device for keyboard instruments
US6720492B2 (en) * 2001-08-10 2004-04-13 David Steinbuhler Portable keyboard
JP4092566B2 (en) * 2002-03-01 2008-05-28 ヤマハ株式会社 Key-press detection device for keyboard instruments
JP5055995B2 (en) * 2006-12-13 2012-10-24 ヤマハ株式会社 Electronic musical instrument keyboard device
US7893335B2 (en) * 2008-01-04 2011-02-22 Joseph P Szczap Key leveler for musical instruments, computerized key leveling system, and methods of use
JP5277836B2 (en) * 2008-09-25 2013-08-28 ヤマハ株式会社 Keyboard device
JP6069845B2 (en) * 2012-02-15 2017-02-01 ヤマハ株式会社 Electronic musical instrument keyboard device
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
US9324306B2 (en) * 2014-09-08 2016-04-26 Casio Computer Co., Ltd. Keyboard device and keyboard instrument

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101086837A (en) * 2006-06-08 2007-12-12 雅马哈株式会社 Keyboard apparatus
JP2010152092A (en) * 2008-12-25 2010-07-08 Casio Computer Co Ltd Keyboard structure
CN103426425A (en) * 2012-05-18 2013-12-04 卡西欧计算机株式会社 Keyboard unit and keyboard musical instrument

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