CN2762268Y - Electronic keyboard with integral push-button travel - Google Patents
Electronic keyboard with integral push-button travel Download PDFInfo
- Publication number
- CN2762268Y CN2762268Y CN 200420120430 CN200420120430U CN2762268Y CN 2762268 Y CN2762268 Y CN 2762268Y CN 200420120430 CN200420120430 CN 200420120430 CN 200420120430 U CN200420120430 U CN 200420120430U CN 2762268 Y CN2762268 Y CN 2762268Y
- Authority
- CN
- China
- Prior art keywords
- key
- switch
- lead piece
- housing
- state
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to an electronic keyboard with integral push key travel. The utility model is put forward to provide an opponent for an electronic musical instrument capable of producing sound volume intensity which better conforms to pose audio senses of human ears and tactile impression of keyboard key shocks. The utility model comprises a casing, a plurality of corresponding keyboard keys, a first switch, a second switch, a circuit board and a processing device, wherein the keyboard keys are pivoted on the casing in the shape of pivotal rotation, and the first switch is arranged between the bottom surface at the rear end of the keyboard keys and the casing; when the position where the keyboard keys are not pressed is changed into the position where the keyboard keys are pressed, the on state of the switch is changed into the off state of the switch, and a first signal is produced by the switch which comprises a first touch piece and a first guide and connection piece; when the position where the keyboard keys are not pressed is changed into the position where the keyboard keys are pressed, the off state of the switch is changed into the on state of the switch, and a second signal is produced by the switch which comprises a second touch piece and a second guide and connection piece which are respectively and correspondingly arranged on the keyboard keys and the casing; the processing device is electrically connected with the first guide and connection piece and the second guide and connection piece, receives the first signal and the second signal and calculates the time difference between the first signal and the second signal.
Description
Technical field
The utility model belongs to electronic musical instrument parts, the electronic keyboard of the complete key stroke of particularly a kind of tool.
Background technology
General electronic keyboard is played effect for making it, and for example the weight of sound, size are intended very common piano, the foundation of control sounding when the speed that can utilize the player to play key is used as circuit design usually.
As shown in Figure 1 and Figure 2, existing electronic keyboard 1 comprises housing 11 and several keys 12 with base 111.The rear end of each key 12 sees through pivot socket 13 and is linked to rotationally on the supporting base of being located on the base 111 14, and key 12 front ends, and the below of promptly playing end sees through bullet top element 15 key 12 can be supported on the base 111 with resetting.Play top element 15 the place aheads and be provided with the circuit board 16 that is electrically connected on the loudspeaker (not shown), circuit board 16 is laid with the lead piece 161 of several corresponding keys 12 on the surface near key 12.The touch part 17 of arranged spaced before and after the front end of each key 12 is convexly equipped with downwards, and the lead piece 161 on the circuit board 16 of corresponding respectively below.Key 12 is pushed in the process, and two touch parts 17 can make the telecommunication loop (not shown) conducting on the circuit board 16 and produce signal because of the difference in height successively corresponding lead piece 161 of conflict.
When playing soft music, it is bigger that two touch parts 17 successively contact the mistiming that corresponding lead piece 161 produces signals; On the contrary, emotion is strong, and to play the mistiming that then can make touch part 17 corresponding lead pieces 161 send signal shorter, thus computing and the size of control loudspeaker volume.That is to say that longer representative of mistiming plays that slowly to send volume littler, the mistiming, shorter then volume was bigger.
The hardware of electronic musical instrument can with sending volume by strong to a little less than, divide into the big small volume at least one hundred 28 rank easily, but the distance (being the stroke of pushing of key 12) that is subject to 161 of touch part 17 free ends and lead pieces approximately have only usually about 2～3mm (key 12 edges push the about 12mm of stroke, touch part 17 and lead piece 161 generally are located at the inside from key 12 edges one segment distance, therefore it pushes stroke less than 12mm, add the height of deduction touch part 17 and lead piece 161, therefore last clean stroke only remains about 2～3mm), even slowly push and to push key 12 fast different, the speed gap of the mistiming that presents is still quite limited, be difficult to accurately be cut to equal portions up to a hundred, thus computing and volume intensity will produce tangible stepped strong and weak the variation, the smooth-going variation of volume (can't produce the volume that meets people's ear and feel curve) in the time of can't the realistic simulation piano playing.In addition, because that key 12 is pushed stroke is short, during touch part 17 conflict lead pieces 161 thereby can't show the sense of touch of existing piano key 12 bumps when playing, makes and get used to playing the piano person has the sense of loss unavoidably.
Summary of the invention
The purpose of this utility model provides a kind of volume intensity that meets human auditory system, electronic keyboard that produces the complete key stroke of tool of key bump sense of touch of producing.
The utility model is electrically connected sound source, and sends the sound by sound source; Electronic keyboard comprises several second switches, circuit board and the treating apparatus of housing, several keys that define accommodation space, several first switches of distinguishing corresponding several keys, corresponding several keys of difference; Several keys are hubbed on the housing, and can in do not push and pressing position between pivot, each key has opposite bottom surface and end face; First switch is arranged between each bottom surface, key rear end and the housing; First switch is for transferring off-state by conducting state when key when not being pressed into pressing position and produce the switch of first signal, and it comprises can corresponding contact and be conducting state and reach and do not contact and be first touch part and first lead piece of off-state; Second switch is for transferring conducting state by off-state when key when not being pressed into pressing position and producing the switch of second signal, it comprises can corresponding contact and be conducting state and do not contact and be second touch part and second lead piece of off-state, and second touch part and second lead piece respectively correspondence be arranged on key and the housing; Treating apparatus is electrically connected first and second lead piece and receives first and second signal respectively and calculate mistiming between first and second signal.
Wherein:
Second touch part of second switch and second lead piece are arranged at key rear end end face respectively and hold and be located at housing and be positioned at top, key rear end.
Second touch part of second switch and second lead piece are arranged at key front end bottom surface respectively and hold and be located at housing and be positioned at key front end below.
The treating apparatus and second lead piece are arranged on the circuit board.
Be provided with the stand of power circuit board setting on the housing in the rear of key, and make second lead piece of being located on the circuit board towards key.
Circuit board holds the below of being located on the housing and being positioned at the key front end, and make be located on the circuit board and second lead piece that contacts with second touch part of being located at key front end bottom surface towards key.
Play the relative other end place of end with ammunition feed on the key and be provided with the balancing weight that the key that makes after pushing is able to return.
Be provided with the bullet top element between each key and the housing.
Play the relative other end place of end with ammunition feed on the key and be provided with the balancing weight that the key that makes after pushing is able to return.
The utility model is electrically connected sound source, and sends the sound by sound source; Electronic keyboard comprises several second switches, circuit board and the treating apparatus of housing, several keys that define accommodation space, several first switches of distinguishing corresponding several keys, corresponding several keys of difference; Several keys are hubbed on the housing, and can in do not push and pressing position between pivot, each key has opposite bottom surface and end face; First switch is arranged between each bottom surface, key rear end and the housing; First switch is for transferring off-state by conducting state when key when not being pressed into pressing position and produce the switch of first signal, and it comprises can corresponding contact and be conducting state and reach and do not contact and be first touch part and first lead piece of off-state; Second switch is for transferring conducting state by off-state when key when not being pressed into pressing position and producing the switch of second signal, it comprises can corresponding contact and be conducting state and do not contact and be second touch part and second lead piece of off-state, and second touch part and the second lead piece correspondence are arranged on the housing; Treating apparatus is electrically connected first and second lead piece and receives first and second signal respectively and calculate mistiming between first and second signal.
Because the utility model comprises housing, several corresponding keys, first and second switch, circuit board and the treating apparatus that defines accommodation space; Several keys with do not push and pressing position between the pivot shape be hubbed on the housing; First switch is arranged between each bottom surface, key rear end and the housing, its switch for transferring off-state to and produce first signal by conducting state when not being pressed into pressing position when key, it comprises can corresponding contact and be conducting state and reach and do not contact and be first touch part and first lead piece of off-state; Second switch is for transferring conducting state by off-state when key when not being pressed into pressing position and producing the switch of second signal, it comprises can corresponding contact and be conducting state and do not contact and be second touch part and second lead piece of off-state, and second touch part and second lead piece respectively correspondence be arranged on key and the housing; Treating apparatus is electrically connected first and second lead piece and receives first and second signal respectively and calculate mistiming between first and second signal.When key was not pressed and is positioned at not pressing position, first lead piece on the bottom surface, key rear end contacted and conducting with first touch part.Push key and make it when pressing position is not shifted to pressing position, first lead piece gradually separates with first touch part, and conducting state will change into off-state originally, and at this moment, first switch produces first signal and transfers to treating apparatus on the circuit board; When key moved to pressing position, second touch part on the key contacted with housing second lead piece, made both off-states of separation of script change into conducting state, produced second signal and biography to treating apparatus; Treating apparatus is after receiving first signal and second signal, just calculate the mistiming that receives first and second signal, borrow and export the sound of corresponding volume, make the sound of output more not meet the volume sensation curve of people's ear only, more can intend the effect that true piano playing goes out, and push stroke when increasing key and playing, the impact feeling of key when producing as piano playing more can satisfy pianist's needs.Not only can produce the volume intensity that meets human auditory system, and produce key bump sense of touch, thereby reach the purpose of this utility model.
Description of drawings
Fig. 1, for existing electronic keyboard structural representation side view cutaway drawing (not playing state).
Fig. 2, for existing electronic keyboard structural representation side view cutaway drawing (playing state).
Fig. 3, be the utility model embodiment one structural representation side view cutaway drawing (key is pressed state not).
Fig. 4, be the utility model embodiment one structural representation side view cutaway drawing (key pressed state).
Fig. 5, be the utility model circuit box synoptic diagram.
Fig. 6, be the utility model embodiment two structural representation side view cutaway drawings (key is pressed state not).
Fig. 7, be the utility model embodiment two structural representation side view cutaway drawings (key pressed state).
Fig. 8, be the utility model embodiment three structural representation side view cutaway drawings (key is pressed state not).
Fig. 9, be the utility model embodiment three structural representation side view cutaway drawings (key pressed state).
Figure 10, for the utility model embodiment three structural representation side view cutaway drawings (second touch part and second lead piece are located at the key front end).
Embodiment
Embodiment one
As Fig. 3, Fig. 4, shown in Figure 5, the utility model is that the keyboard with general mellotron is that example explains, but not as limit, knows this skill personage and also it can be applied to as other situations such as electric organ, electronic accordions.
Electronic keyboard is electrically connected sound source, loudspeaker for example, and send the sound by sound source, and sound source herein can be the memory storage of depositing sound source, also can more comprise the loudspeaker of output sound, and present embodiment explains to take loudspeaker.
The electronic keyboard 900 of the complete key stroke of the utility model tool comprises housing 2, several keys 3 that define accommodation space 9, several first and second switch 71,72 and treating apparatus 8 of distinguishing corresponding several keys 3.
The base plate 21 of housing 2 is provided with supporting base 41, and each key 3 is hubbed at supporting base 41 and is linked on the housing 2 by pivot socket 411 near central part with it, thereby can be in playing (pushing) process, in pressing position and do not pivot between pressing position; Each key 3 ammunition feed place of playing is called front end, locates to be provided with balancing weight 51 in its back-end, makes the key 3 after pushing be able to return.In addition, key 3 can more be provided with base plate 21 pivot parts and play top element 52, cooperates balancing weight 51 that better key 3 strength that resets is provided, and plays top element 52 and can be arranged between key 3 and the base plate 21, get final product so as to key 3 is resetted, it can be arranged at the pivot part of key 3 and base plate 21.Also can only set balancing weight 51 or only set bullet top element 52, can reach the effect of key 3 returns, not need both to be provided with simultaneously.Also can not be provided with under the situation of balancing weight 51 or bullet top element 52,, also can key 3 be resetted key 3 deadweights, still not influence basic function of the present utility model the front end of key 3 with the close key 3 of pivot part of supporting base 41.
In addition, be provided with stand 42 in the rear of key 3 on the base plate 21, stand 42 is connected with circuit board 6 in the top of key 3 rear ends, makes key 3 when pushing, and its rear end can be near circuit board 6.
Several first switches 71 are located in the accommodation space 9, and it comprises holding is located on the housing 2 and is positioned at first touch part 711 of corresponding key 3 belows and is located on the bottom surface 32 of key 3 rear ends and is electrically connected first lead piece 712 of (not shown) with circuit board 6.When key 3 was positioned at not pressing position, first touch part 711 contacted with first lead piece 712 and forms conducting state; And key 3 is not when pressing position is shifted to pressing position, and first touch part 711 separates with first lead piece 712 and forms off-state, produces first signal to circuit board 6.
Certainly, the position that first touch part 711 and first lead piece 712 are provided with also can be exchanged, promptly first touch part 711 is located on the bottom surface 32 of key 3 rear ends, and first lead piece 712 then holds the base plate 21 of being located at housing 2 and is positioned at the corresponding below of first touch part 711.
Several second switches 72 comprise holding to be located on the key 3 rear end end faces 31 and to be positioned at second touch part 721 of the corresponding below of circuit board 6 and to be located at circuit board 6 near second lead piece 722 on the outside surface of key 3.When key 3 was positioned at not pressing position, second touch part 721 separated with second lead piece 722 and forms off-state; When key 3 when pressing position does not move to pressing position, second touch part 721 contacts with second lead piece 722 and forms conducting state, produces second signal.
Treating apparatus 8 is located on the circuit board 6, and it comprises the microprocessor (not shown), and is electrically connected with each first lead piece 712 and second lead piece 722, to receive first and second signal that is transmitted from first and second lead piece 712,722.
Under different enforcement aspects, second lead piece 722 and treating apparatus 8 can be located on the circuit board 6, and promptly second lead piece 722 and treating apparatus 8 can see through the mode and circuit board 6 conductings of other electrical connections.At this moment, second lead piece 722 is located at the relative top of second touch part 721, and circuit board 6 and treating apparatus 8 can move respectively and be located at elsewhere in the accommodation space 9, not with top exceeding of being stated.
When key 3 was not pressed and is positioned at not pressing position, first lead piece 712 on the bottom surface, key 3 rear end 32 contacted and conducting with first touch part 711.Push key 3 and make it when pressing position is not shifted to pressing position, first lead piece 712 gradually separates with first touch part 711, and conducting state will change into off-state originally, and at this moment, first switch 71 produces first signal and transfers to treating apparatus 8 on the circuit board 6.When key 3 moved to pressing position, second touch part 721 on the key 3 rear end end faces 31 contacted with second lead piece 722, made both off-states of separation of script change into conducting state, produced second signal and biography to treating apparatus 8.Treating apparatus 8 is after receiving first signal and second signal, just calculate the mistiming that receives first and second signal, then according to mistiming and key 3 pairing positions, select the source of sound deposited in advance by storage device, be sent to loudspeaker output and send predetermined pitch and volume.
Embodiment two
The utility model is that the keyboard with general mellotron is that example explains.As Fig. 5, Fig. 6, shown in Figure 7, the electronic keyboard 900a of the complete key stroke of the utility model tool comprises housing 2, several keys 3 that define accommodation space 9, several first and second switch 71,72 and treating apparatus 8 of distinguishing corresponding several keys 3.
The base plate 21 of housing 2 is provided with supporting base 41, and each key 3 is hubbed at supporting base 41 and is linked on the housing 2 by pivot socket 411 near central part with it, thereby can be in playing (pushing) process, in pressing position and do not pivot between pressing position; Each key 3 ammunition feed place of playing is called front end.Can with key 3 deadweights key 3 be resetted the front end of key 3 with the close key 3 of pivot part of supporting base 41; Also can be provided with balancing weight 51 in the rear end of each key 3, make the key 3 after pushing be able to return.Also can be provided with the bullet top element 52 that provides key 3 to reset strength at key 3 and base plate 21 pivot parts.In addition, be provided with stand 42 in the rear of key 3 on the base plate 21.
Several first switches 71 are located in the accommodation space 9, and it comprises holding is located on the housing 2 and is positioned at first touch part 711 of corresponding key 3 belows and is located on the bottom surface 32 of key 3 rear ends and is electrically connected first lead piece 712 of (not shown) with circuit board 6.When key 3 was positioned at not pressing position, first touch part 711 contacted with first lead piece 712 and forms conducting state; And key 3 is not when pressing position is shifted to pressing position, and first touch part 711 separates with first lead piece 712 and forms off-state, produces first signal to circuit board 6.
Certainly, the position that first touch part 711 and first lead piece 712 are provided with also can be exchanged, promptly first touch part 711 is located on the bottom surface 32 of key 3 rear ends, and first lead piece 712 then holds the base plate 21 of being located at housing 2 and is positioned at the corresponding below of first touch part 711.
Treating apparatus 8 is located on the circuit board 6, and it comprises the microprocessor (not shown), and is electrically connected with first lead piece 712 and second lead piece 722, and can receive first and second signal that is transmitted from first and second lead piece 712,722.
Embodiment three
The utility model is that the keyboard with general mellotron is that example explains.As Fig. 8, shown in Figure 9, the electronic keyboard 900b of the complete key stroke of the utility model tool comprises housing 2, several keys 3 that define accommodation space 9, several first and second switch 71,72 and treating apparatus 8 of distinguishing corresponding several keys 3.
The base plate 21 of housing 2 is provided with supporting base 41, and each key 3 is hubbed at supporting base 41 and is linked on the housing 2 by pivot socket 411 near central part with it, thereby can be in playing (pushing) process, in pressing position and do not pivot between pressing position; Each key 3 ammunition feed place of playing is called front end.Can with key 3 deadweights key 3 be resetted the front end of key 3 with the close key 3 of pivot part of supporting base 41; Also can be provided with balancing weight 51 in the rear end of each key 3, make the key 3 after pushing be able to return.Also can be provided with the bullet top element 52 that provides key 3 to reset strength at key 3 and base plate 21 pivot parts.In addition, be provided with stand 42 in the rear of key 3 on the base plate 21, stand 42 is connected with circuit board 6 in the top of key 3 rear ends, makes key 3 when pushing, and its rear end can be near circuit board 6.
Several first switches 71 are located in the accommodation space 9, and it comprises holding is located on the housing 2 and is positioned at first touch part 711 of corresponding key 3 belows and is located on the bottom surface 32 of key 3 rear ends and is electrically connected first lead piece 712 of (not shown) with circuit board 6.When key 3 was positioned at not pressing position, first touch part 711 contacted with first lead piece 712 and forms conducting state; And key 3 is not when pressing position is shifted to pressing position, and first touch part 711 separates with first lead piece 712 and forms off-state, produces first signal to circuit board 6.
Certainly, the position that first touch part 711 and first lead piece 712 are provided with also can be exchanged, promptly first touch part 711 is located on the bottom surface 32 of key 3 rear ends, and first lead piece 712 then holds the base plate 21 of being located at housing 2 and is positioned at the corresponding below of first touch part 711.
In the present embodiment, circuit board 6, second touch part 721, second lead piece 722 and elastic component 723 are for being located at the situation of key 3 rear ends.Also can be as shown in figure 10, circuit board 6, second touch part 721, second lead piece 722 and elastic component 723 are located at the below of key 3 front ends, owing to coming to the same thing that its start concerns and produced, therefore no longer explanation.And second touch part 721 and second lead piece 722 also can other kindred organizations be replaced by the Design Mode that elastic component 723 can contact and separate at interval, not with above-mentioned exceeding.
Electronic keyboard 900 (the 900a of the complete key stroke of the utility model tool, 900b) utilize first switch 71 and second switch 72 first signal that conversion produced and second signal between conducting state and off-state, see through treating apparatus 8 receptions and calculate first, mistiming between two signals, borrow and export the sound of corresponding volume, make the sound of output more not meet the volume sensation curve of people's ear only, more can intend the effect that true piano playing goes out, and push stroke when increasing key 3 and playing, and the design of cooperation balancing weight 51, make when second touch part 721 touches second lead piece 722, the impact feeling of key 3 when producing as piano playing more can satisfy pianist's needs.
Claims (10)
1, the electronic keyboard of the complete key stroke of a kind of tool, it is electrically connected sound source, and sends the sound by sound source; Electronic keyboard comprises housing, several keys that define accommodation space, several second switches, circuit board and the treating apparatus of distinguishing corresponding several keys; Several keys are hubbed on the housing, and can in do not push and pressing position between pivot, each key has opposite bottom surface and end face; Second switch is for transferring conducting state by off-state when key when not being pressed into pressing position and producing the switch of second signal, it comprises can corresponding contact and be conducting state and do not contact and be second touch part and second lead piece of off-state, and second touch part and second lead piece respectively correspondence be arranged on key and the housing; It is characterized in that being provided with first switch between described each bottom surface, key rear end and the housing; First switch is for transferring off-state by conducting state when key when not being pressed into pressing position and produce the switch of first signal, and it comprises can corresponding contact and be conducting state and reach and do not contact and be first touch part and first lead piece of off-state; Treating apparatus is electrically connected first and second lead piece and receives first and second signal respectively and calculate mistiming between first and second signal.
2, the electronic keyboard of the complete key stroke of tool according to claim 1 is characterized in that second touch part of described second switch and second lead piece are arranged at key rear end end face respectively and hold and be located at housing and be positioned at top, key rear end.
3, the electronic keyboard of the complete key stroke of tool according to claim 1 is characterized in that second touch part of described second switch and second lead piece are arranged at key front end bottom surface respectively and hold and be located at housing and be positioned at key front end below.
4, the electronic keyboard of the complete key stroke of tool according to claim 1 is characterized in that the described treating apparatus and second lead piece are arranged on the circuit board.
5,, it is characterized in that being provided with in the rear of key on the described housing stand of power circuit board setting, and make second lead piece of being located on the circuit board towards key according to the electronic keyboard of claim 1 or the complete key stroke of 4 described tools.
6, according to the electronic keyboard of claim 1 or the complete key stroke of 4 described tools, it is characterized in that described circuit board holds the below of being located on the housing and being positioned at the key front end, and make be located on the circuit board and second lead piece that contacts with second touch part of being located at key front end bottom surface towards key.
7, the electronic keyboard of the complete key stroke of tool according to claim 1 is characterized in that playing the relative other end place of end with ammunition feed on the described key is provided with the balancing weight that the key that makes after pushing is able to return.
8, the electronic keyboard of the complete key stroke of tool according to claim 1 is characterized in that being provided with the bullet top element between described each key and the housing.
9, the electronic keyboard of the complete key stroke of tool according to claim 8 is characterized in that playing the relative other end place of end with ammunition feed on the described key is provided with the balancing weight that the key that makes after pushing is able to return.
10, the electronic keyboard of the complete key stroke of a kind of tool, it is electrically connected sound source, and sends the sound by sound source; Electronic keyboard comprises housing, several keys that define accommodation space, several second switches, circuit board and the treating apparatus of distinguishing corresponding several keys; Several keys are hubbed on the housing, and can in do not push and pressing position between pivot, each key has opposite bottom surface and end face; Second switch is for transferring conducting state by off-state when key when not being pressed into pressing position and producing the switch of second signal, it comprises can corresponding contact and be conducting state and do not contact and be second touch part and second lead piece of off-state, and second touch part and the second lead piece correspondence are arranged on the housing; It is characterized in that being provided with first switch between described each bottom surface, key rear end and the housing; First switch is for transferring off-state by conducting state when key when not being pressed into pressing position and produce the switch of first signal, and it comprises can corresponding contact and be conducting state and reach and do not contact and be first touch part and first lead piece of off-state; Treating apparatus is electrically connected first and second lead piece and receives first and second signal respectively and calculate mistiming between first and second signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420120430 CN2762268Y (en) | 2004-12-17 | 2004-12-17 | Electronic keyboard with integral push-button travel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420120430 CN2762268Y (en) | 2004-12-17 | 2004-12-17 | Electronic keyboard with integral push-button travel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2762268Y true CN2762268Y (en) | 2006-03-01 |
Family
ID=36095384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420120430 Expired - Fee Related CN2762268Y (en) | 2004-12-17 | 2004-12-17 | Electronic keyboard with integral push-button travel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2762268Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103165116A (en) * | 2012-06-06 | 2013-06-19 | 叶如康 | Electronic organ |
| US9324515B2 (en) | 2012-08-06 | 2016-04-26 | Synaptics Incorporated | Touchsurface assembly utilizing magnetically enabled hinge |
| CN105895068A (en) * | 2016-03-28 | 2016-08-24 | 广州艾茉森电子有限公司 | Digital piano keyboard structure capable of providing let-off hand feel and digital piano |
| CN104076938B (en) * | 2014-06-30 | 2017-07-11 | 广州艾茉森电子有限公司 | Soft MIDI keyboards |
| CN107016984A (en) * | 2011-09-29 | 2017-08-04 | 株式会社河合乐器制作所 | Hammer device for electric keyboard instrument |
-
2004
- 2004-12-17 CN CN 200420120430 patent/CN2762268Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107016984A (en) * | 2011-09-29 | 2017-08-04 | 株式会社河合乐器制作所 | Hammer device for electric keyboard instrument |
| CN107016984B (en) * | 2011-09-29 | 2020-09-15 | 株式会社河合乐器制作所 | Hammer device for electronic keyboard instrument |
| CN103165116A (en) * | 2012-06-06 | 2013-06-19 | 叶如康 | Electronic organ |
| CN103165116B (en) * | 2012-06-06 | 2015-06-17 | 叶如康 | Electronic organ |
| US9324515B2 (en) | 2012-08-06 | 2016-04-26 | Synaptics Incorporated | Touchsurface assembly utilizing magnetically enabled hinge |
| CN104076938B (en) * | 2014-06-30 | 2017-07-11 | 广州艾茉森电子有限公司 | Soft MIDI keyboards |
| CN105895068A (en) * | 2016-03-28 | 2016-08-24 | 广州艾茉森电子有限公司 | Digital piano keyboard structure capable of providing let-off hand feel and digital piano |
| CN105895068B (en) * | 2016-03-28 | 2023-04-11 | 广州珠江艾茉森数码乐器股份有限公司 | Digital piano keyboard structure with disconnected and connected hand feeling and digital piano |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8802961B2 (en) | Wireless foot-operated effects pedal for electric stringed musical instrument | |
| WO2020110350A1 (en) | Input device | |
| CN2762268Y (en) | Electronic keyboard with integral push-button travel | |
| CN103050313B (en) | Switch device and electronic musical instrument | |
| CN105845117A (en) | Keyboard unit | |
| US3433881A (en) | Pedal board for musical instrument | |
| CN101393478B (en) | Electronic device with sound cue function for induction push-button | |
| JP3074797B2 (en) | Keyboard device | |
| US4986792A (en) | Violin musical toy | |
| TWI259440B (en) | Electronic keyboard with complete button travel distance | |
| CN2494554Y (en) | Slide resistance switch | |
| CN201123025Y (en) | Mobile phone bouncing along with music | |
| CN209859333U (en) | Cognitive pairing toy box for infant education | |
| CN207856326U (en) | Six faces operate acoustic toy | |
| CN215730838U (en) | Novel multi-tone electronic piano pressing device | |
| CN216412437U (en) | Auxiliary device for piano playing strength training | |
| JP2000099001A (en) | Keyboard device and electronic musical instrument | |
| CN215417508U (en) | Electronic percussion melody musical instrument | |
| CN201035968Y (en) | Novel electrical piano | |
| CN105895068B (en) | Digital piano keyboard structure with disconnected and connected hand feeling and digital piano | |
| CN213844748U (en) | Electronic thumb piano shell, key block and electronic thumb piano | |
| CN201174249Y (en) | Audio playing apparatus and system thereof | |
| CN112634839A (en) | Digital piano electroacoustic device with string striking mechanism and sound production control method thereof | |
| CN215496477U (en) | Key assembling device and sound box | |
| CN213583085U (en) | Electronic musical instrument containing box based on MP3 decoding scheme |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |