CN108010776A - Adjustable keyboard - Google Patents
Adjustable keyboard Download PDFInfo
- Publication number
- CN108010776A CN108010776A CN201711418709.3A CN201711418709A CN108010776A CN 108010776 A CN108010776 A CN 108010776A CN 201711418709 A CN201711418709 A CN 201711418709A CN 108010776 A CN108010776 A CN 108010776A
- Authority
- CN
- China
- Prior art keywords
- button
- adjusting nut
- base enclosure
- magnet
- adjustable
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
- H01H13/7065—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys characterised by the mechanism between keys and layered keyboards
Abstract
The present invention provides a kind of adjustable keyboard, including base enclosure, and its underpart forms support plate, and support plate is equipped with circuit film, it respectively switchs the key hole that built-in button is offered above node；Include button magnet in button, and button bottom is equipped with conductive rubber；The bottom of four edges of base enclosure sets an adjusting nut respectively, and adjusting nut can adjust the length of the screw hole stretched into base enclosure bottom by screwing, and the nut lower end of adjusting nut is supported in desktop；One piece of adjustable plate is additionally provided with below base enclosure, it is nested with each adjusting nut by the through hole of its four edges, and the horizontal nut upper end for being shelved on each adjusting nut；The adjustable plate magnet with the button magnet homopolar-repulsion in each button is provided with adjustable plate at each button of face.The adjustable keyboard can in use, hardness during flexible modulation button pressed, so as to meet the needs of under different user and different scenes.
Description
Technical field
The present invention relates to computer accessories field, more particularly, to a kind of keyboard.
Background technology
The reasons such as custom, hobby, mood due to each one, have different demands for the hardness of keyboard；And
Current keyboard hardness is changeless, this causes the audient face of the keyboard of a certain model to be restricted, and
It can not meet actual demand of the same user under different scenes.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of adjustable keyboard, which can use
Cheng Zhong, hardness during flexible modulation button pressed, so as to meet the needs of under different user and different scenes.
The first technical solution is used by the present invention solves its technical problem：The adjustable keyboard includes base enclosure, described
Support plate is formed at base enclosure lower part, and the support plate is equipped with circuit film；Opened up above each switch node of the circuit film
There is key hole, button is equipped with the key hole；Include one section of vertically magnetized button magnet in the button, and
The bottom of button is equipped with conductive rubber；When the conductive rubber presses the switch node of the circuit film, which is tied
Point conducting；The bottom of four edges of the base enclosure sets an adjusting nut respectively, and the adjusting nut can pass through rotation
The length of the screw hole in the base enclosure bottom is stretched into stubborn adjusting, and the nut lower end of adjusting nut is supported in desktop；The base enclosure
Lower section is additionally provided with one piece of adjustable plate, and the adjustable plate is nested with each adjusting nut by the through hole of its four edges,
And level is shelved on the nut upper end of each adjusting nut；It is provided with and each button at each button of face on the adjustable plate
In button magnet homopolar-repulsion adjustable plate magnet；Under natural conditions, the adjustable plate magnet passes through to the button magnet
Magnetic repulsion, each button is supported on upper extreme position.
Preferably, also horizontally disposed in the button have planar coil, the planar coil is exported to arranged on by key table
LED below the translucent character in face；So as to during key tap, change since the magnetic field generation in button is quick,
Planar coil is set to produce sensing electric current, so that the LED glistens, i.e., so that the button being tapped glistens, to improve the feelings of keyboard
Interest.
Preferably, the longitudinal direction of each adjusting nut is printed with scale value, to determine that each adjusting nut is screwed into screw hole
Precise length, to ensure that each adjusting nut has completely the same bearing height, so as to ensure the spiral shell for being held on each adjusting nut
The adjustable plate of cap upper end is completely parallel to the bottom of base enclosure.
The beneficial effect of the first above-mentioned technical solution is：By the bearing height for adjusting each adjusting nut, you can adjust
The distance between the adjustable plate and base enclosure bottom are saved, so as to adjust the magnetic reprimand between each adjustable plate magnet and each button magnet
Power, hardness when thus regulating key pushes, to meet the needs of different.
Second of technical solution is used by the present invention solves its technical problem：The adjustable keyboard includes base enclosure, described
Support plate is formed at base enclosure lower part；Key hole is equipped with above the support plate；Button is equipped with each key hole；Include in the button
There is one section of vertically magnetized button magnet；A LC oscillating circuit, this LC vibration electricity are also sealed with the button
The coil on road is around the home on the button magnet；And the LC oscillating circuits in each button have different resonant frequency；Institute
State adjustable keyboard and further included a FM reception module, the FM reception module has the number of keys with the adjustable keyboard
Identical receiving channel, to identify electromagnetic signal that each button is sent；The bottom of four edges of the base enclosure is set respectively
An adjusting nut is put, the adjusting nut can adjust the length of the screw hole stretched into the base enclosure bottom by screwing, and
The nut lower end of adjusting nut is supported in desktop；Be additionally provided with one piece of adjustable plate below the base enclosure, the adjustable plate by its four
The through hole of a edge is nested with each adjusting nut, and the horizontal nut upper end for being shelved on each adjusting nut；It is described
The adjustable plate magnet with the button magnet homopolar-repulsion in each button is provided with adjustable plate at each button of face；Natural shape
Under state, each button is supported on upper extreme position by the adjustable plate magnet by the magnetic repulsion to the button magnet.
Preferably, the FM reception module sealing is in the plastic chamber in the base enclosure；The inner surface of the base enclosure
One layer of metal layer is set, so that the LC oscillating circuits in each button are shielded from the metal layer with the FM reception module
In；The electromagnetic signal that each LC oscillating circuits are sent can only be transferred to the FM reception module without externally dissipating；It is and outer
The radio wave on boundary will not enter the metal layer and frequency modulation receiving module is formed and is disturbed.
Preferably, the upper surface of the support plate is metallic plate, the LC oscillating circuits in each button are in button
Lower surface forms open circuit, and forms two open terminals in the lower surface of button；When the button pressed to the support plate
During contact, which is supported plate and is turned on；Thus, only when each button is pressed down to and is contacted with support plate,
Its internal LC oscillating circuit can just be formed into a loop and produce oscillating current, so as to send electromagnetism letter to the FM reception module
Number；False touch signal is produced so as to avoid button.
Preferably, the longitudinal direction of each adjusting nut is printed with scale value, to determine that each adjusting nut is screwed into screw hole
Precise length, to ensure that each adjusting nut has completely the same bearing height, so as to ensure the spiral shell for being held on each adjusting nut
The adjustable plate of cap upper end is completely parallel to the bottom of base enclosure.
The beneficial effect of above-mentioned second of technical solution is：It is high that it again may be by adjusting the support of each adjusting nut
Degree and regulating key push when hardness, to meet the needs of different；And compared to the first technical solution, second of skill
Each button is respectively provided with independent potted circuit structure in art scheme, when individual circuit failure, only need to replace individual keys
Fix a breakdown；And exposed electronic unit is needed due to no, the water resistance of keyboard is largely increased, even if immersing water
In, its circuit structure will not be damaged.
Brief description of the drawings
Fig. 1 is the schematic diagram of the embodiment one of this adjustable keyboard in the first state.
Fig. 2 is the schematic diagram of the embodiment one of this adjustable keyboard in the second condition.
Fig. 3 is the schematic diagram of the embodiment two of this adjustable keyboard.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples：
Embodiment one：
In the embodiment one shown in Fig. 1, Fig. 2, which includes base enclosure 1, support plate 11 is formed at 1 lower part of the base enclosure,
The support plate 11 is equipped with circuit film 2；Key hole 10 is offered above each switch node of the circuit film 2, it is described
Button 3 is equipped with key hole 10；Include one section of vertically magnetized button magnet 31 in the button 3, and button 3
Bottom is equipped with conductive rubber 32；When the conductive rubber 32 presses the switch node of the circuit film 2, by the switch node
Conducting.The circuit film 2, conductive rubber 32, and mechanism of action between them is legacy device structure, with conventional keyboard
Unanimously.
The bottom of four edges of the base enclosure 1 sets an adjusting nut 4 respectively, and the adjusting nut 4 can lead to
The length for screwing and adjusting the screw hole 40 stretched into 1 bottom of base enclosure is crossed, and 41 lower end of nut of adjusting nut 4 is supported in table
Face；The lower section of base enclosure 1 is additionally provided with one piece of adjustable plate 5, and the adjustable plate 5 is nested with each institute by the through hole of its four edges
State on adjusting nut 4, and horizontal 41 upper end of nut for being shelved on each adjusting nut 4；Face is each on the adjustable plate 5 described presses
The adjustable plate magnet 51 with 31 homopolar-repulsion of button magnet in each button 3 is provided with key 3；Under natural conditions, the adjusting
Each button 3 is supported on upper extreme position by plate magnet 51 by the magnetic repulsion to the button magnet 31.
For the adjustable keyboard in embodiment one, by the bearing height for adjusting each adjusting nut 4, you can adjust the tune
The distance between plate 5 and 1 bottom of base enclosure are saved, so that the magnetic repulsion between each adjustable plate magnet 51 and each button magnet 31 is adjusted,
Thus hardness when regulating key 3 pushes, to meet the needs of different.As in Fig. 1, the bearing height of adjusting nut 4 compared with
Greatly, adjustable plate 5 apart from base enclosure 1 farther out, then the lower pressure resistance of button 3 is smaller, and button is partially soft；And in fig. 2, adjusting nut 4
Bearing height is smaller, and adjustable plate 5 is relatively near apart from base enclosure 1, then the lower pressure resistance of button 3 is larger, and button is partially hard.
In addition, in the present embodiment one, also horizontally disposed in the button 3 to have planar coil 33, the planar coil 33 is defeated
Go out to the LED below the translucent character arranged on 3 surface of button（It is not shown）；So as to during key tap 3, due to by
Quick change occurs for the magnetic field in key 3, planar coil 33 is produced sensing electric current, so that the LED glistens, i.e., so that being tapped
Button 3 glisten, to improve the temperament and interest of keyboard.
Embodiment two：
In the embodiment two shown in Fig. 3, which includes base enclosure 1, support plate 11 is formed at 1 lower part of the base enclosure；It is described
The top of support plate 11 is equipped with key hole 10；Button 3 is equipped with each key hole 10；Include one section in the button 3 along vertical side
To magnetized button magnet 31；Also be sealed with a LC oscillating circuit 34 in the button 3, the coils of the LC oscillating circuits 34 around
Put on the button magnet 31；And the LC oscillating circuits 34 in each button 3 have different resonant frequency；It is described adjustable
Keyboard has further included a FM reception module（It is not shown）, the FM reception module has presses bond number with the adjustable keyboard
Identical receiving channel is measured, to identify electromagnetic signal that each button 3 is sent；Such as, if the adjustable keyboard has N number of button 3, adjust
Frequency receiving module has N number of receiving channel, and each receiving channel is made of the resonance modules with antenna, the resonance modules it is humorous
Vibration frequency corresponds to the resonant frequency of the LC oscillating circuits 34 in a button 3；The resonance modules of each receiving channel can be public
With a reception electric wire, by the common reception antenna, N number of different capacitance is tapped out, it is different to form N number of resonant frequency
Resonance modules.
As embodiment one is identical, the bottom of four edges of the base enclosure 1 sets an adjusting nut 4 respectively, described
Adjusting nut 4 can adjust the length of the screw hole 40 stretched into 1 bottom of base enclosure, and the nut of adjusting nut 4 by screwing
41 lower ends are supported in desktop；The lower section of base enclosure 1 is additionally provided with one piece of adjustable plate 5, and the adjustable plate 5 passes through its four edges
Through hole is nested with each adjusting nut 4, and horizontal 41 upper end of nut for being shelved on each adjusting nut 4；The adjustable plate 5
The adjustable plate magnet 51 with 31 homopolar-repulsion of button magnet in each button 3 is provided with upper each button 3 of face；Natural shape
Under state, each button 3 is supported on upper extreme position by the adjustable plate magnet 51 by the magnetic repulsion to the button magnet 31.
Adjustable keyboard described in embodiment two, the FM reception module（It is not shown）The modeling being sealed in the base enclosure 1
Expect intracavitary；The inner surface of the base enclosure 1 sets one layer of metal layer（It is not shown）, so that the LC oscillating circuits in each button 3
34 are shielded from the metal layer with the FM reception module；The electromagnetic signal that each LC oscillating circuits 34 are sent（Institute
State and reflected repeatedly in the space that metal layer surrounds）The FM reception module can only be transferred to without externally dissipating；And extraneous
Radio wave will not enter the metal layer and frequency modulation receiving module is formed and is disturbed.
In the present embodiment two, the upper surface of the support plate 11 is metallic plate, the LC oscillating circuits 34 in each button
Open circuit is formed in the lower surface of button, and two open terminals 34a, 34b are formed in the lower surface of button 3；When under the button 3
It is pressed onto when being contacted with the support plate 11, which is supported plate 11 and is turned on；Thus, only each
Button 3 is pressed down to when being contacted with support plate 11, its internal LC oscillating circuit 34 can just be formed into a loop and produce oscillating current,
So as to send electromagnetic signal to the FM reception module；False touch signal is produced so as to avoid button 3；That is, only 3 quilt of button
Bottom is pressed down to, is just identified as one-touch operation, in the case of the slight pushing of button 3 is made due to the false touch of hand,
Do not produce push button signalling.
For embodiment two, again may be by adjusting each adjusting nut 4 bearing height and regulating key 3 when pushing
Hardness, to meet the needs of different；And compared to embodiment one, each button 3 in embodiment two is respectively provided with independent close
Circuit structure is sealed, when individual circuit failure, only need to replace individual keys 3 can fix a breakdown；And since no needs are naked
The electronic unit of dew, the water resistance of keyboard is largely increased, even if being immersed in the water, will not damage its circuit structure.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification for being made, equivalent substitution, should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of adjustable keyboard, including base enclosure（1）, the base enclosure（1）Support plate is formed at lower part（5）, the support plate（5）On set
There is circuit film（2）；The circuit film（2）Each switch node above offer key hole（10）, the key hole（10）
It is interior to be equipped with button（3）；It is characterized in that：The button（3）Inside include one section of vertically magnetized button magnet（31）,
And button（3）Bottom be equipped with conductive rubber（32）；The conductive rubber（32）To the circuit film（2）Switch node apply
During pressure, which is turned on；The base enclosure（1）The bottoms of four edges one adjusting nut is set respectively（4）, institute
State adjusting nut（4）The base enclosure can be stretched into by screwing adjusting（1）Screw hole in bottom（40）Length, and adjusting nut
（4）Nut lower end be supported in desktop；The base enclosure（1）Lower section is additionally provided with one piece of adjustable plate（5）, the adjustable plate（5）Pass through
The through hole of its four edges is nested with each adjusting nut（4）On, and level is shelved on each adjusting nut（4）Nut
（41）Upper end；The adjustable plate（5）Upper each button of face（3）Place is provided with and the button magnet in each button（31）Homopolarity
The adjustable plate magnet to repel each other（51）；Under natural conditions, the adjustable plate magnet（51）By to the button magnet（31）Magnetic
Repulsion, by each button（3）It is supported on upper extreme position.
2. adjustable keyboard according to claim 1, it is characterised in that：The button（3）It is inside also horizontally disposed to have planar line
Circle（33）, the planar coil（33）Output is extremely arranged on the LED below the translucent character of keytop.
3. adjustable keyboard according to claim 1, it is characterised in that：Each adjusting nut（4）Longitudinal direction be printed with quarter
Angle value, to determine each adjusting nut（4）It is screwed into screw hole（40）Precise length.
4. a kind of adjustable keyboard, including base enclosure（1）, the base enclosure（1）Support plate is formed at lower part（5）；The support plate（5）Top
Equipped with key hole（10）；Each key hole（10）It is interior to be equipped with button（3）；It is characterized in that：The button（3）Inside include one section of edge
The magnetized button magnet of vertical direction（31）；The button（3）Inside also it is sealed with a LC oscillating circuit（34）, this LC vibrations
Circuit（34）Coil around the home in the button magnet（31）On；And each button（3）Interior LC oscillating circuits（34）With respectively not
Identical resonant frequency；The adjustable keyboard has further included a FM reception module, and the FM reception module has and this
The identical receiving channel of the number of keys of adjustable keyboard, to identify each button（3）The electromagnetic signal sent；The base enclosure（1）
The bottoms of four edges one adjusting nut is set respectively（4）, the adjusting nut（4）It can be stretched into by screwing adjusting
The base enclosure（1）Screw hole in bottom（40）Length, and adjusting nut（4）Nut lower end be supported in desktop；The base enclosure
（1）Lower section is additionally provided with one piece of adjustable plate（5）, the adjustable plate（5）It is nested with by the through hole of its four edges in each tune
Save nut（4）On, and level is shelved on each adjusting nut（4）Nut（41）Upper end；The adjustable plate（5）Upper each institute of face
State button（3）Place is provided with and each button（3）In button magnet（31）The adjustable plate magnet of homopolar-repulsion（51）；Nature
Under, the adjustable plate magnet（51）By to the button magnet（31）Magnetic repulsion, by each button（3）It is supported on limes superiors position
Put.
5. adjustable keyboard according to claim 4, it is characterised in that：The FM reception module sealing is in the base enclosure
Plastic chamber in；The inner surface of the base enclosure sets one layer of metal layer so that the LC oscillating circuits in each button with it is described
FM reception module is shielded from the metal layer；The electromagnetic signal that each LC oscillating circuits are sent can only be transferred to the tune
Frequency receiving module is without externally dissipating；And extraneous radio wave will not be into the metal layer and to frequency modulation receiving module structure
Into interference.
6. adjustable keyboard according to claim 4, it is characterised in that：The support plate（5）Upper surface be metallic plate, respectively
LC oscillating circuits in the button（34）In button（3）Lower surface formed open circuit, and button lower surface formed two
Open terminal（34a、34b）；When the button pressed to the support plate（5）During contact, two open terminals（34a、
34b）It is supported plate（5）Turned on.
7. adjustable keyboard according to claim 4, it is characterised in that：Each adjusting nut（4）Longitudinal direction be printed with quarter
Angle value, to determine each adjusting nut（4）It is screwed into screw hole（40）Precise length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711418709.3A CN108010776B (en) | 2017-12-25 | 2017-12-25 | Adjustable keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711418709.3A CN108010776B (en) | 2017-12-25 | 2017-12-25 | Adjustable keyboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108010776A true CN108010776A (en) | 2018-05-08 |
| CN108010776B CN108010776B (en) | 2019-09-17 |
Family
ID=62061066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711418709.3A Active CN108010776B (en) | 2017-12-25 | 2017-12-25 | Adjustable keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108010776B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111462581A (en) * | 2020-04-22 | 2020-07-28 | 河南艺术职业学院 | Piano hand type exercise device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2676344Y (en) * | 2003-08-04 | 2005-02-02 | 张勇 | Magnetic regulating system for piano hand feeling |
| CN201741607U (en) * | 2010-07-04 | 2011-02-09 | 苏州达方电子有限公司 | Key and keyboard |
| CN202275758U (en) * | 2011-10-12 | 2012-06-13 | 常熟精元电脑有限公司 | Magnetic press key |
| US20130154940A1 (en) * | 2011-12-19 | 2013-06-20 | Beijing Lenovo Software Ltd. | Keyboard, Method of Driving and Assembling the Same, and Electronic Device |
| CN104199563A (en) * | 2014-09-23 | 2014-12-10 | 马根昌 | Electromagnetic keyboard |
-
2017
- 2017-12-25 CN CN201711418709.3A patent/CN108010776B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2676344Y (en) * | 2003-08-04 | 2005-02-02 | 张勇 | Magnetic regulating system for piano hand feeling |
| CN201741607U (en) * | 2010-07-04 | 2011-02-09 | 苏州达方电子有限公司 | Key and keyboard |
| CN202275758U (en) * | 2011-10-12 | 2012-06-13 | 常熟精元电脑有限公司 | Magnetic press key |
| US20130154940A1 (en) * | 2011-12-19 | 2013-06-20 | Beijing Lenovo Software Ltd. | Keyboard, Method of Driving and Assembling the Same, and Electronic Device |
| CN104199563A (en) * | 2014-09-23 | 2014-12-10 | 马根昌 | Electromagnetic keyboard |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111462581A (en) * | 2020-04-22 | 2020-07-28 | 河南艺术职业学院 | Piano hand type exercise device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108010776B (en) | 2019-09-17 |
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Effective date of registration: 20190828 Address after: 312500 No. 168, Kengxi Village, Juzhen, Dashi City, Xinchang County, Shaoxing City, Zhejiang Province Applicant after: Xinchang Chengju Agricultural Technology Co., Ltd. Address before: Room 813, Block A, Dell Plaza, Kaiping Road, Wujiang District, Suzhou City, Jiangsu Province Applicant before: Zhong Xingying |