CN106949960A - Music box tablet frequency measuring device exciting agency - Google Patents
Music box tablet frequency measuring device exciting agency Download PDFInfo
- Publication number
- CN106949960A CN106949960A CN201710232132.0A CN201710232132A CN106949960A CN 106949960 A CN106949960 A CN 106949960A CN 201710232132 A CN201710232132 A CN 201710232132A CN 106949960 A CN106949960 A CN 106949960A
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- plectrum
- damping fin
- moving tooth
- breach
- key
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- 238000013016 damping Methods 0.000 claims abstract description 89
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000005259 measurement Methods 0.000 description 20
- 238000001514 detection method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10F—AUTOMATIC MUSICAL INSTRUMENTS
- G10F1/00—Automatic musical instruments
- G10F1/06—Musical boxes with plucked teeth, blades, or the like
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10F—AUTOMATIC MUSICAL INSTRUMENTS
- G10F5/00—Details or accessories
- G10F5/04—Tune barrels, sheets, rollers, spools, or the like
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of music box tablet frequency measuring device exciting agency, music box tablet frequency measuring device exciting agency, including rotating shaft, multiple plectrums, multiple damping fins, multiple damping fins are structure identical torus, the body of plectrum is torus, plectrum body is cylindrical upper with prominent moving tooth, close to moving tooth plectrum body it is cylindrical on be provided with breach, breach on each plectrum is in the same side of moving tooth, plectrum body external diameter is identical with damping fin external diameter, plectrum and damping fin compartment of terrain are installed on rotating shaft, plectrum body, damping fin, rotating shaft is coaxial, moving tooth after installation on multiple plectrums, breach circumferentially mutually staggers, preferably, each damping fin is cylindrical, axial notch is provided with each plectrum body is cylindrical, axial notch forms the groove axially communicated.
Description
Technical field
The present invention relates to the exciting agency for exciting the key of music box tablet to vibrate, for tablet frequency measuring device.
Background technology
Tablet in musical box is pronunciation part, during manufacture tablet, in order to ensure that tablet sends preferable sound, it is necessary to repeatedly
Process tablet, detect the vibration frequency of tablet key, therefore the mechanism of test vibration frequency is just particularly important.It is existing to survey
There are some defects in frequency device：On the one hand it is that vibration isolating effect is bad, when exciting the wherein one key vibration of tablet, due to damping
The vibration isolating effect of device is bad, adjacent key also can vibration sounding therewith, interference frequency measurement sensor makes to being tested the detection of key
Into frequency-measurement accuracy reduction.On the other hand, it is existing frequency measuring device only one of which impact key because the key on tablet is more
Mechanism, generally requires repeatedly mobile tablet or vibrational excitation mechanism, could complete the frequency measurement of many keys, less efficient.
The content of the invention
The technical problems to be solved by the invention are to overcome the above-mentioned not enough of prior art and provide a kind of music box tablet
Frequency measuring device exciting agency, automatically and efficiently impact tablet key produces vibration, and the key vibration isolation not impacted successively
Effect is good.
The present invention the used technical scheme that solves the above problems is：Music box tablet frequency measuring device exciting agency, bag
Rotating shaft, multiple plectrums, multiple damping fins are included, multiple damping fins are structure identical torus, and the body of plectrum is torus, is dialled
Piece body is cylindrical upper with prominent moving tooth, close to moving tooth plectrum body it is cylindrical on be provided with breach on breach, each plectrum
All in the same side of moving tooth, plectrum body external diameter is identical with damping fin external diameter, and plectrum and damping fin compartment of terrain are installed on rotating shaft, dials
Piece body, damping fin, rotating shaft are coaxial, and moving tooth, breach after installation on multiple plectrums circumferentially mutually stagger.
Preferably, each damping fin is cylindrical, each plectrum body it is cylindrical on be provided with axial notch, axial notch formation axle
To the groove communicated.
Preferably, damping fin includes damping fin body, amortisseur bar, and damping fin body is torus, is justified along damping fin body
Cylinder fixes arc amortisseur bar, and the outer diameter of a circle of amortisseur bar is identical with plectrum body diameter, between the two ends of arc amortisseur bar
Form groove.
Preferably, the width of amortisseur bar is less than the thickness of damping fin body torus.
It is preferred that rotating shaft on compartment of terrain install 7 damping fins, 6 plectrums.
The further improved exciting agency with 7 damping fins, 6 plectrums, the moving teeth of multiple plectrums, breach phase successively
Mutually stagger 45 °.
The advantage of the invention is that：1st, compartment of terrain is installed setting moving tooth on multiple plectrums, damping fin, plectrum, lacked in rotating shaft
Mouthful, the moving tooth of multiple plectrums, gap position stagger, and first moving tooth is impacted after a key when rotating shaft rotates, and the key is lacking
Intraoral vibration, rotating shaft continues second moving tooth after rotating and impacts another key and in the plectrum breach internal vibration, and damping fin
The cylindrical head for contacting remaining key not impacted of cylindrical, plectrum, it is to avoid the key vibration not impacted, prevents noise jamming
The key impacted, improves test by the frequency-measurement accuracy of impact key.2nd, the rotating shaft of exciting agency rotates a circle plectrum
Impact multiple keys successively, exciting frequency measurement efficiency high, due to exciting agency can relative tablet it is axially displaced, another group of key movement
Another group of key can be impacted after to corresponding position by rotating shaft again, and general movement can impact multiple successively twice or thrice
Key.3rd, plectrum, the groove axially communicated is provided with damping fin, facilitate exciting mobile key before starting.4th, it is used for for convenience
The excited vibrational tablet with 18 keys conventional at present, exciting agency sets 7 damping fins, 6 plectrums, and multiple groups
The moving tooth of piece, breach mutually stagger 45 °, make the mechanism more versatility.
Brief description of the drawings
Fig. 1 is the structural representation of music box tablet.
Fig. 2 is music box tablet frequency measuring device structural representation in the embodiment of the present invention.
Fig. 3 is the structural representation of the embodiment of the present invention one.
Fig. 4 is the structural representation of the embodiment of the present invention two.
Fig. 5 is the structural representation of damping fin in the embodiment of the present invention three.
Fig. 6 is the structural representation of the one of plectrum of figure inventive embodiments three.
Fig. 7 is the structural representation of another plectrum of figure inventive embodiments three.
Fig. 8 is the structural representation after two plectrums combinations in Fig. 6, Fig. 7.
Fig. 9 is the structural representation after damping fin and plectrum combination in Fig. 5, Fig. 6.
Figure 10 is Fig. 9 broken section structural representation.
Figure 11 is the structural representation of wherein m-th plectrum in the embodiment of the present invention four.
Figure 12 is the structural representation of wherein n-th plectrum in the embodiment of the present invention four.
Figure 13 is the structural representation of exciting agency under initial state in inventive embodiments three.
Figure 14 is Figure 13 left view structural representation.
Figure 15 is Figure 14 local overlooking structural representation.
Figure 16 is the structural representation of exciting agency under use state in inventive embodiments three.
Figure 17 is Figure 15 left view structural representation.
Figure 18 is Figure 15 local overlooking structural representation.
In figure：1st, tablet, 11, key, 2, motor, 3, exciting agency, 4, frequency measurement sensor, 5, rotating shaft, 6, damping fin,
61st, damping fin body, 62, amortisseur bar, 63, damping fin groove, the 7, first plectrum, the 70, first plectrum body, the 71, first plectrum
Moving tooth, the 72, first plectrum breach, the 73, first plectrum groove, the 8, second plectrum, the 80, second plectrum body, the 81, second plectrum is dialled
Tooth, 82 second plectrum breach, the 83, second plectrum groove, 910, m plectrums, 911, m plectrum moving teeth, 912, m plectrums lack
Mouthful, 913, m plectrum grooves, the 920, n-th plectrum, the 921, n-th plectrum moving tooth, the 922, n-th plectrum breach, the 923, n-th plectrum is recessed
Groove.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is further described for embodiment.
The structure of music box tablet 1 is as shown in figure 1, the head of the tablet 1 uniform simultaneously parallel key 11 of many of column distribution, institute
There is the head of key 11 concordant, gap is left between key 11.In order to detect that can key 11 reach the frequency of requirement under vibration
Rate is to send preferable sound, it is necessary to detect its vibration frequency with frequency measuring device.
The structure of frequency measuring device is swashed by rotation as shown in Fig. 2 motor 2 drives exciting agency 3 to rotate by driving belt
The key 11 of the impact tablet of mechanism of shaking 3 vibrates it, and frequency measurement sensor 4 detects the vibration frequency of key 11.
The exciting agency 3 that the present invention is designed is as shown in figure 3, support body of the exciting agency 3 including rotating shaft 5, support rotating shaft, is also wrapped
Include multiple damping fins 6 fixed in rotating shaft 5, multiple plectrums.The two ends of rotating shaft 5 are supported by support body, in motor 2, driving belt etc.
Under effect, rotating shaft 5 can rotate.
Embodiment one：
Damping fin 6 is structure identical torus, and the structure of each damping fin is identical.The body of plectrum is torus, plectrum sheet
With prominent moving tooth on external circle, close to moving tooth plectrum body it is cylindrical on the breach that is provided with breach, each plectrum exist
The same side of moving tooth.Plectrum body external diameter is identical with damping fin external diameter.Plectrum and damping fin compartment of terrain are installed on rotating shaft, and dial
Piece body, damping fin, rotating shaft are coaxial, there is certain angle during installation between each plectrum, make after installation on multiple plectrums
Moving tooth, breach circumferentially mutually stagger.So multiple damping fins, plectrum are formed a cylinder after being arranged on rotating shaft, this
Prominent moving tooth is there is on the cylindrical upper varying cross-section of individual cylinder, the angle on the face of cylinder.As shown in figure 3, multiple dampings
Piece 6 and multiple plectrum intervals are fixed in rotating shaft 5, wherein being separated with damping fin 6, first in the middle of the first plectrum 7, the second plectrum 8
Plectrum moving tooth 71, the second plectrum moving tooth 81 protrude whole cylinder, and the clockwise direction side of the first moving tooth 71 has the first plectrum
There is the second plectrum breach in breach, the clockwise direction side of the second moving tooth 81（Blocked because two breach are damped piece, it is illustrated that in
Do not show）, two moving teeth, breach stagger certain angle, and moving tooth that will be all, breach are projected on a cross section, and
One moving tooth, first breach, second moving tooth, second breach, the 3rd moving tooth etc. are arranged successively.
Gap width between the width of damping fin, two damping fins is according between the width of key, two keys
Gap and design, but the gap width between two damping fins should be greater than the width of a key 11, if less than the width of key 11
Degree, key can across the gap and and the cylindrical contact of damping fin, when plectrum moving tooth impacts key, dampened of key rubs can not
Free vibration.
During using the exciting agency, the key head of music box tablet is adjacent to damping fin, the cylinder of plectrum composition first
It is cylindrical.Multiple key heads be corresponding in turn to be adjacent to damping fin, plectrum body it is cylindrical, key because by frictional force without vibrating.
During rotating shaft rotate counterclockwise, the first plectrum moving tooth 71 impacts the key for corresponding to contact therewith, suitable due to the first moving tooth 71
Hour hands side exist the first breach, breach compare plectrum ontological existence be recessed space, so key impacted after in the breach
Internal vibration, frequency measurement sensor can detect its frequency.It is further continued for rotate counterclockwise rotating shaft, the cylindrical contact key of the first plectrum body,
Key stops vibration.It is further continued for rotating shaft, the second plectrum moving tooth 81 impacts another key for corresponding to contact therewith, key is the
Two plectrum breach internal vibrations, afterwards frequency measurement.Carried out successively with this, the frequency of key corresponding with each plectrum can be detected one by one,
Tablet is moved axially afterwards, and another group of key of tablet is corresponding in turn to each plectrum again, and multiple plectrum moving teeth are impacted therewith one by one again
Corresponding key, in breach internal vibration, frequency measurement.Carried out with this, you can detected the frequency of each key.
Embodiment two:
On the basis of embodiment one, key is moved axially before frequency measurement starts and after frequency measurement for convenience, as shown in Figure 4 every
Individual damping fin is cylindrical, each plectrum body it is cylindrical on be provided with axial notch, these grooves form the axially groove that communicates, and frequency measurement is opened
Before beginning or test after the frequency of one group of key, tablet can have been moved along the groove, not by frictional force when moving tablet.It is aobvious
So, also corresponded on frequency measurement mechanism support body and be provided with groove, prevent from colliding with when tablet from moving.
Embodiment three：
Further improved on the basis of embodiment two.
The structure of damping fin 6 is as shown in figure 5, damping fin 6 includes damping fin body 61, amortisseur bar 62.Damping fin body 61
For torus, one section of arc amortisseur bar 62 is fixed on its face of cylinder, the outer diameter of a circle of amortisseur bar is identical with plectrum body diameter.
Two terminations of amortisseur bar 62 are not in contact with, but leave space, and this space just becomes damping relative to whole damping fin 6
Piece groove 63.
Also amortisseur bar 62 can be further improved, is made between being left after installation between the amortisseur bar adjacent with it of amortisseur bar 62
Gap, as shown in figure 5, the width of amortisseur bar 62 is less than the thickness of damping fin body 61, that is, in the cylinder of damping fin body 61
Step is left on face.
The structure of first plectrum 7 on its first plectrum body 70 as shown in fig. 6, stretch out the first plectrum moving tooth 71, first
Plectrum body 70 it is cylindrical on be provided with the first plectrum breach 72, the first plectrum groove 73, breach, bottom portion of groove camber line radius it is small
In the radius of plectrum body.First plectrum groove 73 is in the side counterclockwise of the first plectrum moving tooth 71.First plectrum breach 72 is tight
The side clockwise of adjacent first plectrum moving tooth 71, it is emphasized that, it is so-called do not deposited between breach and moving tooth close to namely to refer to
After the circular arc that body is cylindrical, such moving tooth impact key, key front end enters spatial gap immediately after plectrum rotate counterclockwise
Interior, will not rub key because there is the cylindrical circular arc of body.
The structure of another plectrum the second plectrum 8 as shown in Figure 7, it is similar with the structure of the first plectrum 7, close to the second plectrum
The side clockwise of moving tooth 81 is provided with the second plectrum breach 82.The difference is that being provided with arc in the side counterclockwise of the second plectrum moving tooth
The second bigger plectrum groove 83 of degree.
The structure of other plectrums is similar with the structure of the first plectrum 7, the second plectrum 8, groove location simply on plectrum, arc
Degree is different, and these grooves are axially communicated.
The sketch that first plectrum 7 and the second plectrum 8 are arranged on after rotating shaft 5 is as shown in Figure 8（Damping fin between two plectrums is saved
Slightly）.First plectrum moving tooth 71, the first plectrum breach 72 mutually stagger with the second plectrum moving tooth 81, the second plectrum breach 82, do not exist
It is not overlapping on circumferencial direction on same axial direction.First plectrum groove 73, the second plectrum groove 83 exist it is overlapping, i.e., again axially
Communicated on direction.Similarly, other plectrums are arranged on after rotating shaft 5, and moving tooth, breach mutually stagger, and groove is axially communicated.
As shown in Figure 9, Figure 10, the first plectrum moving tooth 71 stretches out damping to structure after first plectrum 7 and the installation of damping fin 6
Bar 62, the first plectrum body it is cylindrical.The relative damping bar 62 of first plectrum breach 72, the first plectrum body are cylindrical to have depression.
First plectrum groove 73 is axially communicated with damping fin groove 63, and other plectrums are installed on after rotating shaft with damping fin interval, all recessed
Groove is communicated axially, forms groove, as shown in figure 13.Gap width between latter two amortisseur bar is installed and should be greater than a key
11 width, if less than the width of key 11, key can across the gap and and the cylindrical contact of damping fin, plectrum moving tooth impacts
During key, dampened friction of key can not free vibration.
It is preferred that rotating shaft 5 on install 7 damping fins, 6 plectrums, damping fin and plectrum interval settings, the moving tooth of plectrum, lack
Mouth mutually staggers 45 °, as shown in Figure 8.All groove formation grooves, as shown in figure 13.
Example IV：
The structure of plectrum in the embodiment is different from embodiment three, wherein the structure of m plectrums 910 is as shown in Figure 10,11,
Stretch out m plectrums moving tooth 911 on its plectrum body, its plectrum sheet it is cylindrical on to be provided with m plectrums breach 912, m plectrums recessed
Groove 913, breach, the radius of bottom portion of groove camber line are less than the radius of plectrum body.M plectrums groove 913 is in m plectrum moving teeth
911 side counterclockwise.M plectrums breach 912 is close to the side clockwise of the first plectrum moving tooth 71, it is emphasized that, institute
Call close to namely referring in the absence of the circular arc that body is cylindrical between breach and moving tooth, such moving tooth is impacted after key, the plectrum inverse time
Key front end enters in spatial gap immediately after pin rotation, and will not rub key because there is the cylindrical circular arc of body.
The n-th plectrum 920 of the structure of another plectrum as shown in Figure 12,13, it is similar with the structure of m plectrums 910, close to
The side clockwise of n plectrums moving tooth 921 is provided with the n-th plectrum breach 922, and n-th group is provided with the side counterclockwise of the n-th plectrum moving tooth
Piece groove 923, two dial on moving tooth 911/921, breach 912/922, groove 913/923 shape size it is identical, it is different
Be moving tooth, breach confronting grooves position it is different, the n-th plectrum moving tooth 921, breach 922 with respect to m plectrums moving tooth 911, lack
Mouth 912 have rotated certain angle, and multiple plectrums are spaced installation with damping fin 6 and after rotating shaft 5, the moving tooth of plectrum, breach are mutually wrong
Open, 7 damping fins, 6 plectrums, damping fin and plectrum interval settings, the moving tooth of plectrum, breach phase are installed in rotating shaft 5 preferably
Mutually stagger 45 °, all groove formation grooves.
Illustrate its work exemplified by the tablet vibration with 18 keys is excited using the exciting agency in embodiment three below
Make process：
Original state, as shown in Figure 13, Figure 14, Figure 15, groove is located at the side of rotating shaft, and the mechanism of clamping transfer tablet is by tablet
1 all keys 11 are moved to just to groove, the head front end of key 11 on damping fin, the cylindrical contour line of plectrum, by
In key 11 just to groove, groove exists with respect to plectrum excircle configuration line to be recessed, so now all damping fins, plectrum are not
Contact the first plectrum 7 between key, and the 1st key the 1st damping fin of correspondence and the 2nd damping fin, the 2nd, the 3rd
Key the 2nd damping fin of correspondence, the second plectrum the 8, the 5th between the 4th key the 2nd damping fin of correspondence and the 3rd damping fin
Individual, the 6th key just to the 3rd damping fin, the like.
Start the rotate counterclockwise of motor-driven rotatable shaft 5, rotate through the first plectrum moving tooth 71 on the first plectrum of certain angle 7
The 1st key is impacted, now, other keys are contacted without vibrating with damping fin 6, the cylindrical of other plectrums.After impact,
Because the side clockwise of the first plectrum moving tooth 71 carries the first plectrum breach 72, the 1st key will be in the first plectrum breach 72
Middle vibration, state now is as shown in Figure 16, Figure 17, and frequency measurement sensor detection vibration frequency；Rotating shaft 5 rotates again, first group
The 1st key of cylindrical contact of piece 7, the 1st key stops vibration；Rotating shaft 5 continues to rotate, the second moving tooth on the second plectrum 8
81 the 4th keys of impact, as shown in figure 18, the 4th key after being impacted shakes state now in the second plectrum breach 82
Dynamic, frequency measurement sensor 4 detects the frequency of the 4th key；Rotating shaft 5 continues to rotate, the 4th key of cylindrical contact of the second plectrum 8,
4th key stops vibration；Rotating shaft 5 continue rotate, the three, the four, the five, the 6th plectrums impact successively the 7th, the 10th,
13rd, the 16th key, and frequency measurement successively, rotating shaft 5 rotate a circle, and complete the stirring of 6 keys, frequency measurement process.Rotation one
Rotating shaft 5 returns to initial position after week, and the mechanism that whole tablet 1 shifts tablet by clamping afterwards drives, and makes relative turn of tablet key
Axle 5 is shifted, and changes key and damping fin, the corresponding relation of plectrum, detection the 2nd, the 5th, the 8th, the 11st, the 14th, the 17th key；
Rotating shaft 5, which rotates a circle, returns to initial position, then moves tablet, detection the 3rd, the 6th, the 9th, the 12nd, the 15th, the 18th key, extremely
This completes the frequency measurement of all keys.
The course of work and above-mentioned mistake of the tablet vibration with 18 keys are excited using the exciting agency in example IV
Journey is similar, repeats no more.
Obviously, the width of damping fin can be set according to the size of tablet key, damping fin and key head during frequency measurement
Between corresponding relation also according to size depending on, rotating shaft can be selected to rotate a circle excite tablet key quantity 1/2,1/3,
1/4 etc..Plectrum, damping fin and the fixed form of rotating shaft can be welding, pin connection etc..
Claims (6)
1. music box tablet frequency measuring device exciting agency, it is characterised in that：Exciting agency includes rotating shaft, multiple plectrums, multiple
Damping fin, multiple damping fins are structure identical torus, and the body of plectrum is torus, and plectrum body is cylindrical upper with protrusion
Moving tooth, close to moving tooth plectrum body it is cylindrical on be provided with breach on breach, each plectrum in the same side of moving tooth, plectrum
Body external diameter is identical with damping fin external diameter, and plectrum and damping fin compartment of terrain are installed on rotating shaft, and plectrum body, damping fin, rotating shaft are same
Axle, moving tooth, breach after installation on multiple plectrums circumferentially mutually stagger.
2. music box tablet frequency measuring device exciting agency according to claim 1, it is characterised in that：Outside each damping fin
Axial notch is provided with round, each plectrum body is cylindrical, axial notch forms the groove axially communicated.
3. music box tablet frequency measuring device exciting agency according to claim 2, it is characterised in that：Damping fin includes resistance
Buddhist nun's piece body, amortisseur bar, damping fin body are torus, are fixed along the damping fin body face of cylinder outside arc amortisseur bar, amortisseur bar
Diameter of a circle is identical with plectrum body diameter, and groove is formed between the two ends of arc amortisseur bar.
4. music box tablet frequency measuring device exciting agency according to claim 3, it is characterised in that：The width of amortisseur bar
Less than the thickness of damping fin body torus.
5. the music box tablet frequency measuring device exciting agency according to any one of Claims 1-4, it is characterised in that：Turn
7 damping fins, 6 plectrums are installed in compartment of terrain on axle.
6. the music box tablet frequency measuring device exciting agency according to any one of Claims 1-4, it is characterised in that：It is many
The moving tooth of individual plectrum, breach mutually stagger 45 ° successively.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016213457734 | 2016-12-09 | ||
| CN201621345773 | 2016-12-09 |
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| Publication Number | Publication Date |
|---|---|
| CN106949960A true CN106949960A (en) | 2017-07-14 |
| CN106949960B CN106949960B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720373011.3U Withdrawn - After Issue CN207132972U (en) | 2016-12-09 | 2017-04-11 | Music box tablet frequency measuring device exciting agency |
| CN201710232132.0A Active CN106949960B (en) | 2016-12-09 | 2017-04-11 | Excitation mechanism for music sheet frequency measuring device of music instrument |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720373011.3U Withdrawn - After Issue CN207132972U (en) | 2016-12-09 | 2017-04-11 | Music box tablet frequency measuring device exciting agency |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207132972U (en) * | 2016-12-09 | 2018-03-23 | 宁波韵声机芯制造有限公司 | Music box tablet frequency measuring device exciting agency |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1314159A1 (en) * | 1985-07-24 | 1987-05-30 | Ленинградское высшее инженерное морское училище им.адм.С.О.Макарова | Elastic bearing |
| CN2531496Y (en) * | 2002-01-08 | 2003-01-15 | 周健 | Electro octave musical instrument |
| CN1527277A (en) * | 2003-03-06 | 2004-09-08 | 健 周 | Mechanical music box |
| CN201662435U (en) * | 2010-04-23 | 2010-12-01 | 王正尧 | Frequency measurement and vibration isolation assembly for soundboard |
| CN202109982U (en) * | 2011-06-03 | 2012-01-11 | 王正尧 | Sound sheet frequency measurement and vibration isolation apparatus |
| CN103000169A (en) * | 2012-11-28 | 2013-03-27 | 浙江工业大学 | Self-adjusting music box |
| JP2015028533A (en) * | 2013-07-30 | 2015-02-12 | ブラザー工業株式会社 | Music box and method of manufacturing the same |
| CN204536980U (en) * | 2015-04-15 | 2015-08-05 | 广东美的厨房电器制造有限公司 | For DIP device assembly and the micro-wave oven of micro-wave oven |
| CN105427845A (en) * | 2015-12-01 | 2016-03-23 | 宁波韵声机芯制造有限公司 | Eight-tone piano with damper convenient to replace |
| CN106014275A (en) * | 2016-07-07 | 2016-10-12 | 哈尔滨工程大学 | Novel vortex-induced vibration resisting bionic riser |
| CN207132972U (en) * | 2016-12-09 | 2018-03-23 | 宁波韵声机芯制造有限公司 | Music box tablet frequency measuring device exciting agency |
-
2017
- 2017-04-11 CN CN201720373011.3U patent/CN207132972U/en not_active Withdrawn - After Issue
- 2017-04-11 CN CN201710232132.0A patent/CN106949960B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1314159A1 (en) * | 1985-07-24 | 1987-05-30 | Ленинградское высшее инженерное морское училище им.адм.С.О.Макарова | Elastic bearing |
| CN2531496Y (en) * | 2002-01-08 | 2003-01-15 | 周健 | Electro octave musical instrument |
| CN1527277A (en) * | 2003-03-06 | 2004-09-08 | 健 周 | Mechanical music box |
| CN201662435U (en) * | 2010-04-23 | 2010-12-01 | 王正尧 | Frequency measurement and vibration isolation assembly for soundboard |
| CN202109982U (en) * | 2011-06-03 | 2012-01-11 | 王正尧 | Sound sheet frequency measurement and vibration isolation apparatus |
| CN103000169A (en) * | 2012-11-28 | 2013-03-27 | 浙江工业大学 | Self-adjusting music box |
| JP2015028533A (en) * | 2013-07-30 | 2015-02-12 | ブラザー工業株式会社 | Music box and method of manufacturing the same |
| CN204536980U (en) * | 2015-04-15 | 2015-08-05 | 广东美的厨房电器制造有限公司 | For DIP device assembly and the micro-wave oven of micro-wave oven |
| CN105427845A (en) * | 2015-12-01 | 2016-03-23 | 宁波韵声机芯制造有限公司 | Eight-tone piano with damper convenient to replace |
| CN106014275A (en) * | 2016-07-07 | 2016-10-12 | 哈尔滨工程大学 | Novel vortex-induced vibration resisting bionic riser |
| CN207132972U (en) * | 2016-12-09 | 2018-03-23 | 宁波韵声机芯制造有限公司 | Music box tablet frequency measuring device exciting agency |
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| Publication number | Publication date |
|---|---|
| CN106949960B (en) | 2024-04-16 |
| CN207132972U (en) | 2018-03-23 |
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