CN209197789U - Household board size detection device based on CIS - Google Patents
Household board size detection device based on CIS Download PDFInfo
- Publication number
- CN209197789U CN209197789U CN201820521778.0U CN201820521778U CN209197789U CN 209197789 U CN209197789 U CN 209197789U CN 201820521778 U CN201820521778 U CN 201820521778U CN 209197789 U CN209197789 U CN 209197789U
- Authority
- CN
- China
- Prior art keywords
- described image
- image sensor
- plate
- cis
- detected
- 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.)
- Active
Links
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
The utility model embodiment provides a kind of household board size detection device based on CIS.In one embodiment, the household board size detection device based on CIS includes: imaging sensor, for contacting plate to be detected to detect plate；The image capture device being connect with described image sensor；The processing equipment being connect with described image acquisition equipment；The reference plate being mounted below described image sensor, described image sensor are also used to obtain the data of the reference plate；In use, described image sensor obtains the detection data of the plate to be detected with web contact to be detected, described image acquisition equipment obtains the detection data that described image sensor obtains, and the detection data is transferred to the processing equipment and is handled.
Description
Technical field
The utility model relates to detection technique fields, detect dress in particular to a kind of household board size based on CIS
It sets.
Background technique
The factor for influencing board quality mainly includes size.The plate of household enterprise production at present is mainly using artificial inspection
It surveys, the size of plate is judged by human eye and manual metering outfit, low efficiency is difficult to meet high-volume high-speed production
Demand；Human eye judgement is easy to have seriously affected product quality and business economic because judging by accident caused by the subjective factors such as experience, sense of responsibility
Benefit.
Utility model content
In view of this, the utility model embodiment is designed to provide a kind of household board size detection dress based on CIS
It sets.
A kind of household board size detection device based on CIS provided by the embodiment of the utility model, the family based on CIS
Occupying board size detection device includes:
Imaging sensor, for contacting plate to be detected to detect plate；
The image capture device being connect with described image sensor；
The processing equipment being connect with described image acquisition equipment；
The reference plate being mounted below described image sensor, described image sensor are also used to obtain the reference plate
Data；
In use, described image sensor contacted with plate to be detected and the reference plate it is to be detected described to obtain
The detection data of plate and reference plate, described image acquisition equipment obtain the detection data that described image sensor obtains, and will
The detection data is transferred to the processing equipment processing.
Optionally, the household board size detection device based on CIS further include:
For controlling the control structure of described image sensor movement, the control structure includes clamping part and sliding groove；
One end of the clamping part limits in the sliding groove for clamping described image sensor, the other end, can be in the sliding
Sliding in slot.
Optionally, the household board size detection device based on CIS further include:
Drive mechanism, for placing and transmitting plate to be detected；
Described image sensor is mounted on above the drive mechanism, and described image sensor is upper with the drive mechanism
Preset space is arranged in surface.
Automatically transmission belt plate can be detected by the drive mechanism, it is possible to reduce manual operation improves detection effect
Rate.
Optionally, the drive mechanism includes at least two line shafts and the feed belt being set on the line shaft；
The feed belt upper surface drives the plate to be detected mobile for placing plate to be detected.
Optionally, control knob is provided on the drive mechanism, the control knob includes multiple gears, and each gear is corresponding
The friction speed of the drive mechanism, the control knob are used to adjust the transmission speed of the drive mechanism.
The transmission speed of drive mechanism can be adjusted by the control knob in the isostructural plate of the different lines of detection, with
Described image sensor is set to obtain different degrees of plate detection data.
Optionally, described image sensor is cmos image sensor.
Optionally, the length of described image sensor is not less than the width of the plate to be detected, and described image passes
The difference of the width of the length of sensor and the plate to be detected is in default error range.
The utility model embodiment also provides a kind of household board size detection device based on CIS, the family based on CIS
Occupying board size detection device includes:
Imaging sensor, for contacting plate to be detected to detect plate；
The processing equipment being connect with described image sensor；
The reference plate being mounted below described image sensor, described image sensor are also used to obtain the reference plate
Data；
For controlling the control structure of described image sensor movement, the control structure includes clamping part and sliding groove；
One end of the clamping part limits in the sliding groove for clamping described image sensor, the other end, can be in the sliding
Sliding in slot；
In use, described image sensor obtains the testing number of the plate to be detected with web contact to be detected
According to, and the detection data is transferred to the processing equipment and is handled.
Optionally, the household board size detection device based on CIS further include:
The image capture device being connect with described image sensor；
In use, described image sensor obtains the testing number of the plate to be detected with web contact to be detected
According to described image acquisition equipment obtains the detection data that described image sensor obtains, and the detection data is transferred to institute
State processing equipment processing.
Compared with prior art, the household board size detection device based on CIS of the utility model embodiment, passes through image
Sensor can effectively obtain the image data of plate to be detected, can be realized as treating to be further advanced by image recognition
The time expended required for artificial detection can be effectively reduced in the detection of the plate of detection, can also improve the effect of plate detection
Rate.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, special embodiment below, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of the household board size detection device provided by the embodiment of the utility model based on CIS.
Fig. 2 is the structural representation for the household board size detection device based on CIS that another embodiment of the utility model provides
Figure.
Fig. 3 is the structural representation of the sliding groove of the household board size detection device based on CIS in embodiment illustrated in fig. 2
Figure.
Fig. 4 is the household board size detection device and plate cooperation based on CIS that the utility model another embodiment provides
Structural schematic diagram.
Icon: 100- imaging sensor；200- image capture device；300- processing equipment；400- drive mechanism；420- gear
Plate；430- control knob；440- feed belt；450- line shaft；500- control structure；510- clamping part；511- fixture block；512-
Clip；520- sliding groove；521- empty slot；522- limit plate；600- mounting table；700- plate；800- reference plate.
Specific embodiment
Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be come with a variety of different configurations
Arrangement and design.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below
The range of claimed invention, but it is merely representative of the selected embodiment of the utility model.Based on the utility model
Embodiment, those skilled in the art's every other embodiment obtained without making creative work, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile it is practical new at this
In the description of type, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relatively important
Property.
A kind of household board size detection device based on CIS provided by the embodiment of the utility model, it is described as shown in Fig. 1
Household board size detection device based on CIS includes: imaging sensor 100, image capture device 200, processing equipment 300 and ginseng
According to plate 800.
In the present embodiment, described image sensor 100 for contact plate 700 to be detected with detect plate 700 (refering to
Fig. 4).
In the present embodiment, the reference plate 800 is mounted below described image sensor, is used for and the drafting board shape to be checked
In contrast with.In an example, the reference plate 800 is to be sized, and dimension data is stored in the processing equipment 300
In.
In the present embodiment, described image acquisition equipment 200 is connect with described image sensor 100.
In the present embodiment, the processing equipment 300 is connect with described image acquisition equipment 200.
In use, described image sensor 100 contacted with plate 700 to be detected and the reference plate 800 with obtain to
The plate 700 of detection and the detection data of reference plate 800, described image acquire equipment 200 and obtain described image sensor
100 obtained detection datas, and the detection data is transferred to the processing equipment 300 and is handled.Specifically, described image is adopted
Collection equipment 200 is used to be converted to the analog signal of described image sensor 100 digital signal, and the digital signal of conversion is passed
Give the processing equipment 300.It in an example, can be by root when needing to detect the size of the plate 700 to be detected
According to the plate 700 of acquisition and the contrast images of reference plate 800, calculate between the plate 700 and the reference plate 800
Corresponding relationship, the corresponding relationship between the size and the plate 700 and the reference plate 800 according to the reference plate 800
The size of the plate 700 is calculated.
In the present embodiment, the household board size detection device based on CIS can also include one or more support knots
Structure (not shown), the support construction are used to support described image sensor 100, image capture device 200 and reference plate 800.
In one embodiment, the processing equipment 300 can be electric terminal, and the electric terminal may include storage
Device and processor.
It is directly or indirectly electrically connected between the memory and processor, to realize the transmission or interaction of data.Example
Such as, these elements can be realized by one or more communication bus or signal wire be electrically connected between each other.
Wherein, the memory may be, but not limited to, random access memory (Random Access Memory,
RAM), read-only memory (Read Only Memory, ROM), programmable read only memory (Programmable Read-Only
Memory, PROM), erasable read-only memory (Erasable Programmable Read-Only Memory, EPROM),
Electricallyerasable ROM (EEROM) (Electric Erasable Programmable Read-Only Memory, EEPROM) etc..
Wherein, memory is for storing program, and the processor executes described program, the utility model after receiving and executing instruction
Method performed by the electric terminal that the process that embodiment any embodiment discloses defines can be applied in processor, Huo Zheyou
Processor is realized.
The processor may be a kind of IC chip, the processing capacity with signal.Above-mentioned processor can be with
It is general processor, including central processing unit (Central Processing Unit, abbreviation CPU), network processing unit
(Network Processor, abbreviation NP) etc.；Can also be digital signal processor (DSP), specific integrated circuit (ASIC),
Field programmable gate array (FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hard
Part component.It may be implemented or execute disclosed each method, step and the logic diagram in the utility model embodiment.General place
Reason device can be microprocessor or the processor is also possible to any conventional processor etc..
Specifically, the processor is handled the detection data that described image acquisition equipment 200 is transmitted is received.With
Realize the length for measuring the plate to be detected, Diagonal Dimension.
Further, as shown in Figure 1, the electric terminal can also include display unit (figure is unlabeled), for that will show
Show that the testing result for the plate that processing obtains is shown.The electric terminal further includes host (figure is unlabeled), the storage
Device and processor may be mounted in the host.
In another embodiment, the processing equipment 300 can be is integrated in described image acquisition equipment 200
Chip together.Certainly, the processing equipment 300 and described image acquisition equipment 200 are also possible to mutually independent chip.
In the present embodiment, described image sensor 100 can be cmos image sensor (CMOS Image Sensor, letter
Claim CIS).The cmos image sensor is contact sensor devices.The material that the cmos image sensor uses can be
For manufacturing the cadmium sulfide of photo resistance.Described image sensor 100 can be CCD (charge coupled device) and sweep
Retouch instrument.The ccd scanner is to utilize a kind of semiconductor chip made of microelectric technique, is had on the chip of ccd scanner more
Image is transmitted in CCD chip by a photosensitive unit by a series of optical system being made of lens, reflecting mirror etc., is realized
Photoelectric converting function.
Described image sensor 100 can also be contact-type image sensor (Contact Image Sensor, CIS),
It is that photosensitive unit close-packed arrays are directly collected into the light information of scanned plate reflection in scanner.
In the present embodiment, the household board size detection device based on CIS can be by controlling described image sensor
100 is mobile to realize the complete sheet data of acquisition, can also be mobile to obtain complete plate number by equipment belt movable plate material
According to.
In one embodiment, as shown in Fig. 2, the household board size detection device based on CIS further includes control
Structure 500, the control structure 500 include clamping part 510 and sliding groove 520.By the control structure 500 with described in controlling
Imaging sensor 100 is mobile.
Specifically, support column (not shown) has can be set in the sliding groove 520, and one end of the support column is placed on ground
The other end of the positions such as face, the support column connects the sliding groove 520.The sliding groove 520 can also be directly placed at ground
The positions such as face.
The clamping part 510 includes fixture block 511 and clip 512.The fixture block 511 may be mounted at the sliding groove 520
It is interior, and slided in the sliding groove 520.In order to become apparent from the structure for showing the fixture block 511, fixture block described in figure
511.The clip 512 is for clamping described image sensor 100.In the present embodiment, the fixture block 511 is far from the clip
512 one end is provided with idler wheel, so that the fixture block 511 can be slided preferably in the sliding groove 520.
As shown in figure 3, the sliding groove 520 is provided with empty slot 521, the opening of the empty slot 521 is provided with limit plate
522.The fixture block 511 of the clamping part 510 is mounted in the empty slot 521, and can be slided in the empty slot 521.?
In a kind of embodiment, the limit plate 522 is two stripe boards, and two stripe boards are arranged in parallel in the empty slot 521
Opening.The path length that the clamping part 510 is mounted on the part in the sliding groove 520 is greater than between described two stripe boards
Distance.
In the present embodiment, referring to Fig. 2, the household board size detection device based on CIS further includes mounting table
600, for placing the plate to be detected.
In the present embodiment, the clamping part 510 of the control structure 500 can be sliding along the edge of the mounting table 600
It is dynamic.Specifically, the limiting section can be parallel to the edge setting of the mounting table 600.
In the present embodiment, the length of described image sensor 100 is not less than the width of the plate to be detected, and described
The difference of the width of the length of imaging sensor 100 and the plate to be detected is in default error range.
In the present embodiment, as shown in figure 4, the drive mechanism 400 may include at least two line shafts 450 and be set in
Feed belt 440 on the line shaft 450；440 upper surface of feed belt is used to place plate 700 to be detected, and
Drive the plate 700 to be detected mobile.In one embodiment, at least two line shaft 450 includes a master
Moving axis and a driven shaft, the driving shaft can be driven by a motor rotation；In driving shaft rotation, feed belt 440 is driven
Rotation, the feed belt 440 drive the driven shaft to rotate.
The household board size detection device based on CIS of the utility model embodiment, can have by imaging sensor 100
Effect obtains the image data of plate to be detected, can be realized as with being further advanced by image recognition to plate to be detected
The time expended required for artificial detection can be effectively reduced in detection, can also improve the efficiency of plate detection.
In several embodiments provided herein, it should be understood that disclosed device and method can also pass through
Other modes are realized.The apparatus embodiments described above are merely exemplary, for example, flow chart and block diagram in attached drawing
Show the device of multiple embodiments according to the present utility model, the system frame in the cards of method and computer program product
Structure, function and operation.In this regard, each box in flowchart or block diagram can represent a module, section or code
A part, a part of the module, section or code includes one or more for implementing the specified logical function
Executable instruction.It should also be noted that function marked in the box can also be with not in some implementations as replacement
It is same as the sequence marked in attached drawing generation.For example, two continuous boxes can actually be basically executed in parallel, they have
When can also execute in the opposite order, this depends on the function involved.It is also noted that in block diagram and or flow chart
Each box and the box in block diagram and or flow chart combination, can function or movement as defined in executing it is dedicated
Hardware based system realize, or can realize using a combination of dedicated hardware and computer instructions.
In addition, each functional module in each embodiment of the utility model can integrate together formed one it is independent
Part is also possible to modules individualism, and an independent part can also be integrated to form with two or more modules.
It, can be with if the function is realized and when sold or used as an independent product in the form of software function module
It is stored in a computer readable storage medium.Based on this understanding, the technical solution of the utility model substantially or
Person says that the part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products,
The computer software product is stored in a storage medium, including some instructions are used so that computer equipment (can be with
Personal computer, server or the network equipment etc.) execute each embodiment the method for the utility model whole or portion
Step by step.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), with
Machine accesses various Jie that can store program code such as memory (RAM, Random Access Memory), magnetic or disk
Matter.It should be noted that, in this document, relational terms such as first and second and the like be used merely to an entity or
Operation is distinguished with another entity or operation, and without necessarily requiring or implying between these entities or operation, there are any
This actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described
There is also other identical elements in the process, method, article or equipment of element.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.It should be noted that
To: similar label and letter indicate similar terms in following attached drawing, therefore, once determined in a certain Xiang Yi attached drawing
Justice does not need then that it is further defined and explained in subsequent attached drawing.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.
Claims (10)
1. a kind of household board size detection device based on CIS, which is characterized in that the household board size detection based on CIS
Device includes:
Imaging sensor, for contacting plate to be detected to detect plate；
The image capture device being connect with described image sensor；
The processing equipment being connect with described image acquisition equipment；
The reference plate being mounted below described image sensor, described image sensor are also used to obtain the number of the reference plate
According to；
In use, described image sensor is contacted with plate to be detected and the reference plate to obtain the plate to be detected
And the detection data of reference plate, described image acquisition equipment obtain the detection data that described image sensor obtains, and will be described
Detection data is transferred to the processing equipment processing.
2. the household board size detection device based on CIS as described in claim 1, which is characterized in that the family based on CIS
Occupy board size detection device further include:
For controlling the control structure of described image sensor movement, the control structure includes clamping part and sliding groove；It is described
One end of clamping part limits in the sliding groove for clamping described image sensor, the other end, can be in the sliding groove
Sliding.
3. the household board size detection device based on CIS as described in claim 1, which is characterized in that the family based on CIS
Occupy board size detection device further include:
Drive mechanism, for placing and transmitting plate to be detected；
Described image sensor is mounted on above the drive mechanism, the upper surface of described image sensor and the drive mechanism
Preset space is set.
4. the household board size detection device based on CIS as claimed in claim 3, which is characterized in that the drive mechanism packet
Include at least two line shafts and the feed belt being set on the line shaft；
The feed belt upper surface drives the plate to be detected mobile for placing plate to be detected.
5. the household board size detection device based on CIS as claimed in claim 4, which is characterized in that the drive mechanism
The edge of placed side is provided with baffle.
6. the household board size detection device based on CIS as claimed in claim 3, which is characterized in that on the drive mechanism
It is provided with control knob, the control knob includes multiple gears, and each gear corresponds to the friction speed of the drive mechanism, the control
Button processed is used to adjust the transmission speed of the drive mechanism.
7. the household board size detection device based on CIS as described in claim 1, which is characterized in that described image sensor
It is cmos image sensor.
8. the household board size detection device based on CIS as described in claim 1, which is characterized in that described image sensor
Length be not less than the width of the plate to be detected, and the length of described image sensor and the plate to be detected
The difference of width is in default error range.
9. a kind of household board size detection device based on CIS, which is characterized in that the household board size detection based on CIS
Device includes:
Imaging sensor, for contacting plate to be detected to detect plate；
The processing equipment being connect with described image sensor；
The reference plate being mounted below described image sensor, described image sensor are also used to obtain the number of the reference plate
According to；
For controlling the control structure of described image sensor movement, the control structure includes clamping part and sliding groove；It is described
One end of clamping part limits in the sliding groove for clamping described image sensor, the other end, can be in the sliding groove
Sliding；
In use, described image sensor obtains the detection data of the plate to be detected with web contact to be detected,
And the detection data is transferred to the processing equipment and is handled.
10. the household board size detection device based on CIS as claimed in claim 9, which is characterized in that described based on CIS's
Household board size detection device further include:
The image capture device being connect with described image sensor；
In use, described image sensor obtains the detection data of the plate to be detected with web contact to be detected,
Described image acquisition equipment obtains the detection data that described image sensor obtains, and the detection data is transferred to the place
Manage equipment processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820521778.0U CN209197789U (en) | 2018-04-11 | 2018-04-11 | Household board size detection device based on CIS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820521778.0U CN209197789U (en) | 2018-04-11 | 2018-04-11 | Household board size detection device based on CIS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209197789U true CN209197789U (en) | 2019-08-02 |
Family
ID=67404040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820521778.0U Active CN209197789U (en) | 2018-04-11 | 2018-04-11 | Household board size detection device based on CIS |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209197789U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489548A (en) * | 2018-04-11 | 2018-09-04 | 广东理工学院 | Plank detecting system |
| CN112037196A (en) * | 2020-08-31 | 2020-12-04 | 中冶赛迪重庆信息技术有限公司 | Cooling bed multiple-length detection method, system and medium |
-
2018
- 2018-04-11 CN CN201820521778.0U patent/CN209197789U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489548A (en) * | 2018-04-11 | 2018-09-04 | 广东理工学院 | Plank detecting system |
| CN112037196A (en) * | 2020-08-31 | 2020-12-04 | 中冶赛迪重庆信息技术有限公司 | Cooling bed multiple-length detection method, system and medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208860298U (en) | Leather defect detecting device based on CIS | |
| CN209300267U (en) | A kind of cigarette appearance images processing control system and its on-line measuring device | |
| CN209197789U (en) | Household board size detection device based on CIS | |
| CN101398887B (en) | Finger contact detecting apparatus, finger contact detecting method, fingerprint reading apparatus and fingerprint reading method using the same | |
| CN102680481B (en) | Detection method for cotton fiber impurities | |
| CN106548107B (en) | Bar code positioning device and bar code localization method and apparatus for reading of bar code and bar code read method | |
| CN103759662A (en) | Dynamic textile yarn diameter rapid-measuring device and method | |
| DE2520481A1 (en) | FINGERPRINT COMPARISON | |
| CN106964556A (en) | A kind of connecting rod forging vision detection system | |
| CN102830129A (en) | Quick high-definition digitalized recording device for ray detection negative film for welded joints of pressure-bearing equipment | |
| CN107516369B (en) | Bill images acquisition methods and bill images acquisition device, system | |
| CN208860385U (en) | Household plate surface defect detecting device based on CIS | |
| CN108961252A (en) | It detects logo and pastes undesirable method, electronic device and computer readable storage medium | |
| CN108489548A (en) | Plank detecting system | |
| CN101358842B (en) | Plant blade area measuring apparatus | |
| CN208752020U (en) | Tile detection device based on CIS | |
| CN1715551B (en) | Detecting method for textile bias | |
| CN106803050A (en) | A kind of apparatus for reading of bar code and its application method | |
| CN207401791U (en) | A kind of PCB quality testing assembly lines with classification feature | |
| CN102087700A (en) | Method and system for identifying production information of automobile hub | |
| CN1670513B (en) | Apparatus and method for detecting sheet-like material | |
| CN103773901A (en) | Remote food bacteria detection control method and system based on microscopic vision | |
| EP3121588A1 (en) | Optical characteristic measuring apparatus | |
| CN105910534A (en) | Rubber and plastic product geometric quantity measurement system | |
| CN104778709A (en) | Construction method of electronic blackboard based on yarn sequence images |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |