CN106547656A - Check test method is calibrated in a kind of properties of product burning - Google Patents
Check test method is calibrated in a kind of properties of product burning Download PDFInfo
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- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
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Abstract
A kind of properties of product burning calibration check test method of the present invention, methods described include：Mixed after the serial parallel connection of control N channel；Integral type performance test is carried out to taking down notes this product according to the mixed serial parallel mode；Control carries out burning calibration and check test.The testing scheme saves the station tested of resuming classes, and the function of testing resuming classes is integrated in equipment performance test, high with device integration, and expandability is strong, improves testing efficiency, cost-effective.
Description
Technical field
The present invention relates to hardware art, more particularly to a kind of properties of product burning calibration check test method.
Background technology
More piece generally needs the burning program in IC to be controlled in taking down notes this product, need to carry out product after burning program
Check test is calibrated in performance burning, to guarantee that the program of burning meets product demand.At present, some more pieces take down notes visitor in this product
Family needs to be controlled using BQ20Z451 IC, and the more piece before company takes down notes the less use BQ20Z451 IC of this product,
After more piece takes down notes this product burning, it is mainly to be surveyed using outsourcing burning performance that performance burning calibration check test is carried out to product
Test plate (panel) carries out burning test.Using outsourcing burning capability test board, then by single pass built assembling test, tested
Point three stations in journey（Performance, burning calibration, verification）Tested, its testing efficiency is low, cost of manufacture is high, every piece of burning
Up to 50,000 yuan of test board cost, if according to the mode of 20 passages configuration test simultaneously, an equipment manufacturing cost is just up to up to a million,
Increased the cost of enterprise, be unfavorable for long-term development of enterprise and later product test maintenance and expansion cause very big restriction and
Constraint.
Therefore, how to research and develop it is a enhance production capacities, again can be with the BQ20Z451 series of products of effective control manufacturing cost
Check test equipment is calibrated in burning, and reduces cost becomes enterprise's problem demanding prompt solution.
The content of the invention
Based on this, the invention provides a kind of properties of product burning calibration check test method.
Check test method is calibrated in a kind of properties of product burning, and methods described includes：
Mixed after the serial parallel connection of control N channel；N is natural number and N≤10；
Integral type performance test is carried out to taking down notes this product according to the mixed serial parallel mode；
Control carries out burning calibration and check test.
Wherein in one embodiment, methods described also includes：
Control the one serial ports connection of each passage correspondence in N number of passage.
Wherein in one embodiment, methods described also includes：
Control master control control board takes the slot of distribution 2N passages, and each two combination of channels is into a big passage, and presses
According to certain gap parallel arrangement in control panel back, and welded in the way of female plug groove, PCB control panels are using multilayer wiring
Mode is connected with female plug groove.
Wherein in one embodiment, methods described also includes：
Control hardware information display mode is shown with digital LED lamp in taking every passage.
Wherein in one embodiment, methods described also includes：
Control hardware circuit plate is radiated using aluminum thermal fin.
Wherein in one embodiment, methods described also includes：
Control hardware testing plate takes the test board of each independent mode of every passage, each passage to arrange in the way of parallel straight cutting
The corresponding slot mouth being distributed on master control borad.
Beneficial effect：
A kind of properties of product burning calibration check test method of the present invention, methods described include：The serial parallel connection of control N channel
After mixed；Integral type performance test is carried out to taking down notes this product according to the mixed serial parallel mode；Control is carried out
Burning calibration and check test.The testing scheme saves the station tested of resuming classes, and the function of testing resuming classes is integrated in equipment performance
In test, high with device integration, expandability is strong, improves testing efficiency, cost-effective.
Description of the drawings
Fig. 1 is a kind of properties of product burning calibration check test method flow diagram of the present invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, and
It is not used in the restriction present invention.
Fig. 1 is refer to, check test method is calibrated in a kind of properties of product burning, and methods described includes：
S100：Mixed after controlling 10 passage serial parallel connection；
S200：Integral type performance test is carried out to taking down notes this product according to the mixed serial parallel mode；
S300：Control carries out burning calibration and check test.
Wherein in one embodiment, methods described also includes：
One serial ports connection of each passage correspondence in 10 passages of control.
Wherein in one embodiment, methods described also includes：
Control master control control board takes the slot of 20 passages of distribution, and each two combination of channels is into a big passage, and presses
According to certain gap parallel arrangement in control panel back, and welded in the way of female plug groove, PCB control panels are using multilayer wiring
Mode is connected with female plug groove.
Wherein in one embodiment, methods described also includes：
Control hardware information display mode is shown with digital LED lamp in taking every passage.
Wherein in one embodiment, methods described also includes：
Control hardware circuit plate is radiated using aluminum thermal fin.
Wherein in one embodiment, methods described also includes：
Control hardware testing plate takes the test board of each independent mode of every passage, each passage to arrange in the way of parallel straight cutting
The corresponding slot mouth being distributed on master control borad.
A kind of properties of product burning calibration check test method of the present invention, methods described include：Control 10 passage strings simultaneously
Mixed after row connection；Integral type performance test is carried out to taking down notes this product according to the mixed serial parallel mode；Control
System carries out burning calibration and check test.The testing scheme saves the station tested of resuming classes, and the function of testing resuming classes is integrated in and sets
In standby performance test.
The method that a kind of scanning and integrated verification for realizing security product of the present invention is compared, methods described include：
Main control module and verification read module are provided in hardware module；Add communication module in hardware module, by the communication
Module is connected in the main control module；Burning fixed byte is contrasted by Performance measurement software, and serial ID number
Contrasted, and manufacture message date is contrasted.Wherein in one embodiment, it is described by Performance measurement software to burn
Record fixed byte is contrasted, and serial ID number is contrasted, and manufacture message date includes the step of contrast：Read
Take product line ID；Obtain product serial ID；
8 CRC CRCs of exploitation；Execution calculates the corresponding CRC check code of serial ID；To the check code with plus
The 8 bit check codes that close IC is calculated carry out checking comparison；If comparing consistent, the burning of execution next step, if it is not, then stopping working as
Front burning.I takes charge of and realizes that the burning checking feature testing scheme to BQ20Z451 series of cryptographic IC products is using 20 channel parallels
The method that burning verifies the multiple check test of method of testing and 20 channel performances in one.This kind of equipment testing scheme now
The station tested of resuming classes is saved, the function of testing resuming classes is integrated in equipment performance test.
The method is to be embodied on the performance test apparatus of 20 passages to increase a kind of support " in product E BD pipe under HDQ states
Pin carries out the function of the reading verification of monofilar mode ".
Hardware point of view：
This is divided into " master control based on BQ20Z451 series more piece notebook properties of product burning calibration check test device hardware plates
Module and test module " two parts.Wherein test module circuit has burning, calibration verification, the function of performance test.
Single-chip Controlling arrangement mode：As during design, consideration is 10 passages while test（But arrange inside physical device
Cloth is 20 passages, and which adopts the method for being two combination of channels into a passage, i.e., one passage is battery core plate（Every piece of battery core
The built-in 6 economize on electricity core of plate, it is allowed to complete multichannel test more than the product flexible combination passage of 6 sections, such as current production is 10 sections
Product, equipment framework supports two passage（12 economize on electricity cores can be provided altogether）It is combined into a big passage to be tested, then
The equipment of the more piece product for testing 6 sections of 10 passages reforms into testing more than 6 sections and being less than the product of 12 sections for 5 passages
The equipment of 5 passages）, the effect of simulation battery core is provided to product, for performances such as test product voltage accuracies, and provide programming
Communication module is read, another passage is electric current plate, provide implantation electric current to product, for the property such as current precision of test product
Energy）, therefore using 11 single-chip microcomputer distribution arrangements in main control module circuit board, wherein main control singlechip is distributed in master control borad
In master control region, the upper left side of main control board is distributed in；Remaining 10 single-chip microcomputer slice, thin piece is arranged in parallel, by dextrosinistral side
Formula is distributed from 1 passage successively in order to 10 passages.
1）Hardware controls mode：（This kind of equipment supports that serial parallel is run simultaneously, but the mode of functioning in parallel accounts for main part
Point）
The one serial ports connection control of each passage correspondence in 10 passages, i.e. control between each passage is relatively independent
（This kind of mode, the mode of each one serial ports control of passage correspondence contribute to dry between burning while this more piece product
Immunity is reduced, and exquisite is the independence of burning, lifts integrality during each passage burning）, the main monolithic wherein on master control borad
Machine distributes a byte and is controlled each passage, is closed come selector channel and universal meter by switching relay switch（Two
The universal meter of Agilent brand, A34410, A34461）Connection in series-parallel is carried out, then a certain voltage to current channel product, electric current
Equally accurate is read out test（This kind of mode is the serial section that check test equipment is calibrated in this performance burning, and relative is to compare
It is time-consuming, affect the raising of test speed）, wherein connection switches certain enters hexadecimal byte of the row of channels using 0x01 to 0x0A
It is allocated correspondence 1 to 10 passage switching；And each passage performs related action, the relay closure and electricity of equal modules are carried out
Electrical activation or electric current implantation in pressure, and the programming of product reads etc. action, the simultaneously dynamic execution that is all belonging to each passage each are adopted
With the mode of concurrent testing（Based on the parallel of BQ20Z451 series more piece notebook properties of product burning calibration check test equipment
Part of detecting）.
2）Hardware bridging mode：Master control control board takes the slot of 20 passages of distribution, wherein each two combination of channels
Into a big passage, and according to certain gap parallel arrangement in control panel back, and welded in the way of female plug groove, PCB
Control panel is connected with female plug groove by the way of multilayer wiring；Per the corresponding battery core plate of passage（Band programming read functions）And electricity
The mode connecting welding of male plug groove is all taken in the two test board inputs of stream plate and two ports of output,（And input and output two
Not on same horizontal linear, this mode can effectively avoid test board from being in because of input/output port to port correspondence position
Same horizontal line and cause test board to be hit as input port is anti-inserted output port when obscuring input/output port accidentally
Wear and burn out）.Test board per passage is to take the mode of " male and female slot " to be connected insertion to pull out with the bridging mode of master control control panel
Go out, be easy to the dismounting installation and maintenance of test board at ordinary times.And outer clamp connectivity port adopts " female plug groove " mode, its test board
Output port is connected by " male and female slot " mode with outer clamp connectivity port.Therefore test board is relative dynamic, it is allowed to
Maintenance personal is reached by " pluggable mode " and is changed.And equipment master control control panel relative quiescent, adopt to be screwed in and set
On standby host frame frame.
3）Hardware information display mode：Shown with digital LED lamp during every passage is taken in the next hardware module, to digitize
Form communicates information to user, improves directly perceivedization that digital electronic information shows, is easy to user's maintenance and inspection maintenance facility.
4）Hardware radiating mode：Hardware circuit plate is radiated using aluminum thermal fin, reduces components and parts for a long time
Using and caused loss, reduce the caused burning interference because of loss, cause test error, the phenomenon of test erroneous judgement occur.
5）Hardware rack radiating mode：Device housings frame is radiated using 3d space convection model, in equipment burning
Test board back is radiated using exhausting pattern, is radiated using exhausting pattern, in frame at the top of equipment burning test board
The radiating outlet of surrounding layout, forms the gesture of convection current.
Hardware testing plate arrangement mode：Hardware testing plate takes each independent mode of every passage, the test of each passage
Plate is arranged in the corresponding slot mouth on master control borad in the way of parallel straight cutting.Each interchannel tests complete independently, while respectively
The gap of certain equivalence is left between lane testing plate, just with equipment exhausting heat loss through convection.
Hardware configuration distribution mode：This performance test apparatus its mainly by industrial computer, master control hardware circuit, each passage are surveyed
Examination modular circuit（Divide per passage battery core plate and electric current plate）, also Agilent universal meter and frame, the composition such as fixture.Wherein master control
Circuit communication is connected with industrial computer by serial ports, and each lane testing circuit is connected with industrial computer also by serial ports, wherein often
The serial ports of passage is to be arranged in which to butt up against the relevant position on master control borad.The external device instrument such as Agilent universal meter is also logical
Cross USB controls to connect with industrial computer, as hold facility serial ports is more, and the self-contained serial ports of industrial computer is less, and I takes charge of
The mode of extended serial port is the extended mode using external MOXA cards.
Various test master control borads, various instrument and meters are distributed in the situation in frame：
Wherein the instrument such as Agilent universal meter with the separation region such as " master control borad test board " arrangement,
Agilent universal meter is arranged on " industrial computer top ", and " master control and test board region " is all in one layer simultaneously.
A. hardware benefits：
B.1. device integration is high
Equipment master control borad and test board hardware integration degree are high, are independently arranged using several functions circuit, are also increased in master board
" isolation filter circuit ", can effective filtering clutter, realize that various circuits do not interfere with each other, while equipment possesses instruction automatically repairing
The function of positive voltage current precision, holding equipment that can be steady in a long-term is in a kind of high accurately state.
2. equipment extensibility is strong
Device hardware angle has reserved the extension of TCH test channel（Maximum can be extended to 10 passages）, support that user's personnel setting is surveyed well
Ping, the test board of unused channel can be pulled up according to the port number that user sets（Battery core plate and electric current plate）, while setting
It is standby also to have reserved equipment voltage x current precision point inspection port, user can be allowed by external equipment and external hardware, inspection prison is periodically put
The voltage x current precise manner of control equipment.
C. the connection conduction mode between hardware and test product：
Following medium connection is connected by between equipment and product：Needle-bar, fixture, probe, wire；
1）Needle-bar is connected with wire, and wherein needle-bar is connected by " matrix slot " with the output port of each lane testing plate, and each
Lane testing plate output port is " formula slot "；
2）Needle-bar is adopted in itself and is screwed, and carries out contact conducting with test fixture needle plate solder joint, and control its conducting is logical
The vertical direction for crossing cylinder operates conducting up and down.
3）And the probe on needle plate fixture is operated up and down with the vertical direction of cylinder, and form de- with the test point of product
From with engaged test point.
A. device software visualizes directly perceivedization：
Equipment upper control software initial interface is divided into " test event viewing area " and " each channel status display field " Liang great Qu
Domain.
a.1：" each channel status display field " part：Which takes the display interface of the equivalent passageways consistent with the next hardware,
Corresponding test mode is shown under each passage, including tests good plate, bad plate and hollow plate, also bad track state etc..It is simultaneously each
Each passage of channel status display field, can be started according to the mode of " the clicking on switching " of user and be closed current channel
Test（Correspondence is shown as to be measured, accident two states）.
a.2:Test event viewing area：It is test event viewing area below in " each channel status display field " region,
In test process, which can show the concrete condition of each test event of the current test of respective channel, show each accordingly
The test event result of passage, while the test event result such as its performance burning calibration verification is when comparing consistent with normal data
Then with shown in green, had differences then with normal data with shown in red.It is shown as in " once test event " region
Redness, is just shown as bad in the status display hurdle of its respective channel, corresponds to red display, and is shown as " bad plate " printed words.
B. device software designer directly manipulates bottom layer realization innovationization：
B.1 the principle of device software designer：
B.1.1 communication module encapsulation is unitized：Device software designer is configured with the parameter setting interface of 8 first, in master control
All according to 8 parameters being packaged communication in test module and each tunneling traffic test module, wherein first parameter is logical
Road character string, the 8th parameter are parameter transmission（It is the wrong parameter transmission in communication process, when this communication module just communicates
It is sky that wrong parameter is then returned when often, and it be not to empty wrong parameter that this communication module communication is then returned when having abnormal, such as time-out,
Return byte error etc.）.Other remaining those parameters be belonging to it is optional match somebody with somebody, carried out according to needed for current communication circumstances
Configuration and distribution are (such as specific passage byte, the numbering of relay or the voltage value for needing to load and current values etc.
Deng).
B.1.2 Software for Design device calling module：On the left of below figure by " according to the communication protocol that upper and lower computer is formulated,
Modularized encapsulation is calibrated the communication of check test plate, is packaged in the form of classes to master control, each channel performance burning, and with each
The name of module is referred to as respective host node, progressively increases with corresponding to each method in its correspondence class in respective host node
Chinese and the child node named ",（Host node is acted on for subsidiary ledger, is each to launch for clicking on to user
Various packaged method in communication module class；And the effect of child node is to be used to double-click it to user, in designer right figure
In automatically generate the interface of eight parameter designings of band in a tabular form, wherein parameter 1 is defaulted as the character string of passage, parameter 8
The error message for being defaulted as communicating passes ginseng, and then arbitrarily arranges symbol according to the type of each parameter for user in six middle parameters
The parameter value of logical relation, so as to realize that user's commissioning device directly operates bottom software, is quadratic programming, it is not necessary to as passing
The mode of system, needs to be modified upper software code because of some parameter modifications.This kind of mode increases the flexible of software manipulation
Property and framework extensity and reasonability, greatly reduce modification software code number of times）.
B.1.3 Software for Design device encapsulates saving sequence：As equipment needs some project of test product, this is completed
Mesh needs to call the method in each communication module, after user has found each method, after double-click designer editing machine
In set the parameter of correlation after, while editing machine in this designer allows user arbitrarily to edit the execution of switching institute choosing method
Order, also supports this test event arbitrarily using selected method testing result as the end value of current test event.Work as setting
After good all of parameter, user clicks on save button, and designer can automatically open up working as storage " packaged test event file "
Front name of product catalogue, after user clicks on and preserves, designer can carry out serializing this survey in the way of XML file stream automatically
Examination item file, this test event file support " sequence number-test event title ", such as " 2-15V voltage testers "；
" test result of a certain item method of testing " and " test of another method of testing are supported in Software for Design device module simultaneously
As a result " added up, subtracted each other, be multiplied, the function being divided by is strengthened the conversion ability of this Software for Design device；This software sets simultaneously
Gauge also add the data source of the data source of corresponding parameter, i.e., 8, and this 8 data sources can correspond current test side
Parameter in method, such as first data source Source1 correspondence parameter 1, second data source Source2 correspondence parameter 2, and
Step 1 can be provided inside each data source to step N（This N value is the method for testing line number in current design device interface, that is,
The number of method of testing）.Citing execution such as in certain method of testing, the corresponding parameter of its method 2 need the survey in preceding step
Carrying out assignment, this Software for Design device is supported only need to be corresponding in current method of testing for test result values obtained by method for testing
Source2 selects " step N " in arranging the combobox carried out in corresponding combobox（Wherein N is represented as required test result
It is worth the line number of corresponding method of testing）, after selecting to preserve, after test run, this test result values will be with parameter
The corresponding assignment of form enter to realize a new computing in certain method of testing.
Support in Software for Design device interface that the single channel communications of each passage are debugged, switched by click-through, certain
The part change parameter meeting of corresponding certain method of testing for needing serial to test in the viewing area of method of testing of test event
Automatically follow the switching of passage and be changed to automatically corresponding parameter value, such as click passage 2, certain method of testing needs change
Parameter is parameter 2, and this parameter 2 then can be changed according to the rule specified,（If specified rule is selector channel 2, parameter 2 pairs
Should be the click-through 3 for 2, the correspondence of parameter 2 is that for 3, other passages are by that analogy）, it is this kind of to become even more for program overall operation
When serial used by, for reading the voltage reference of each passage product, current reference etc..
Device software carries the communication serial port title of each passage of auto search device and master control borad, and the name of each universal meter
Claim, this kind of mode is easy to equipment debugging personnel to debug, and timely finds that the serial ports of each passage is debugged.Simultaneously in overall survey
Can be communicated with two Agilent universal meters before examination, be read the title of universal meter, and the software with typing universal meter before
Platform is bound（Universal meter can be sat in the right seat）, carry out being connected with server, corresponding
Storage its relevant information tables of data inquiry（This device numbering whether with the universal meter numbering binding of current application whether
Cause, unanimously then allow to continue test, it is inconsistent then to prevent test）.This kind of mode can be easy to Agilent universal meter to set in test
Standby upper management.
B.1.4 Software for Design device loads unserializing：" loading " button in figure below is clicked on as user, in designer automatically
Path under ejecting with this name of product as root, in each survey corresponding to this path perhaps existing this name of product
The file of examination project XML format（Packaged respective method of testing inside which）, certain survey is tested when user selects to click
After the file of the XML format of examination project, the test event of all XML formats under this name of product root can all be displayed in down
Scheme in rightmost form, each test event title is clicked in the random switching in this form, which can be in figure below middle table
Automatically all method of testings corresponding to this test event are shown in lattice.This kind of load mode is to edit this product institute
After the various test events for needing, for used by interim debugging.
B.2 method of testing principle is called in test process：
Required for editting in software first, the test event title of test, sets the testing sequence of each test event, tests
Bound fiducial value etc..
Systems soft ware main interface can set order according to the priority of test event and carry out the execution of orderly priority.Work as main interface
In when calling certain test event, which can unserializing parses test event XML text under the root directory according to current production title
The relevant information of the various method of testings under part, calls corresponding related communication class according to this relevant information, and logical to this correlation
Method of testing in letter class gives the parameter specified, so as to realize calling the method for testing module in this related communication class.According to
What above-mentioned method was incremental goes to perform remaining test event.
C. device software test result traceability system：
Equipment test more piece notebook is contracted for fixed output quotas after the completion of product, and the data of performance test are uploaded to the webserver by network signal
In corresponding form in home server；
In terms of server：Operated on backstage using server, play each equipment machine numbering of distribution, distribute product serial unitedly
Number, bind the data record of the performance test of product ID storage corresponding product and support that user passes through product serial in real time
Number inquire product performance test data at that time etc. effect.
Because the data volume of daily upload server performance test is very big, day, to accumulate, causes the number in server database
It is too big according to the data volume in table, cause data message on-line off-line（Server and local device）Transmission is affected by certain,
Equipment performance test is caused to produce certain time delay, so as to have impact on the testing efficiency and speed of equipment.Therefore the method taken
It is that " Backup Data table, removes same data message, lifts the server database speed of service " is set up in server database
Storing process, this storing process（Principle）：Can set up one is replicated with " preserving the master data sheet of burning upgrading data " lattice
The same new sublist of formula, then selects from " master data sheets of retention data " to replicate in stipulated time section according to user's condition
（Such as the last month that the current time is counted）Performance test data, it is to be copied it is complete after be stored in the new sublist of firm foundation, stored
Afterwards the firm data message for replicating is deleted from master meter accordingly, to reach the effect of release master meter memory space, so as to realize
Server is lightened the burden, while this storing process supports that user sets (as specified monthly one day) at the appointed time and performs, plays spirit
The effect of allotment living.
N described in above example, in addition to the N=10 described in above-described embodiment, can also be the nature less than 10
Number, the present invention is identical for its implementation, does not illustrate one by one again.
Above operation logic of the present invention is described in detail, the explanation of above-mentioned operation logic is only intended to help and understands
The method of the present invention and its core concept；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, in tool
Will change in body embodiment and range of application, in sum, this specification content is should not be construed as to the present invention
Restriction.
Claims (6)
1. check test method is calibrated in a kind of properties of product burning, it is characterised in that included：
Mixed after the serial parallel connection of control N channel；N is natural number and N≤10；
Integral type performance test is carried out to taking down notes this product according to the mixed serial parallel mode；
Control carries out burning calibration and check test.
2. check test method is calibrated in properties of product burning according to claim 1, it is characterised in that also included：
Control the one serial ports connection of each passage correspondence in N number of passage.
3. check test method is calibrated in properties of product burning according to claim 1, it is characterised in that also included：
Control master control control board takes the slot of distribution 2N passages, and each two combination of channels is into a big passage, and presses
According to certain gap parallel arrangement in control panel back, and welded in the way of female plug groove, PCB control panels are using multilayer wiring
Mode is connected with female plug groove.
4. check test method is calibrated in properties of product burning according to claim 1, it is characterised in that also included：
Control hardware information display mode is shown with digital LED lamp in taking every passage.
5. check test method is calibrated in properties of product burning according to claim 1, it is characterised in that also included：
Control hardware circuit plate is radiated using aluminum thermal fin.
6. check test method is calibrated in properties of product burning according to claim 1, it is characterised in that also included：
Control hardware testing plate takes the test board of each independent mode of every passage, each passage to arrange in the way of parallel straight cutting
The corresponding slot mouth being distributed on master control borad.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107643095A (en) * | 2017-08-23 | 2018-01-30 | 宁波中车时代传感技术有限公司 | A kind of calibration method of sensor chip and the chip calibration programmable device of application this method |
| CN108171019A (en) * | 2018-01-12 | 2018-06-15 | 陈征宇 | Anti-counterfeit authentication method, fake certification system, fake certification equipment and storage medium |
| CN115963441A (en) * | 2022-12-09 | 2023-04-14 | 南京德克威尔自动化有限公司 | Automatic calibration test fixture |
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| CN105632557A (en) * | 2016-02-24 | 2016-06-01 | 惠州市蓝微电子有限公司 | Electricity amount management IC burn upgrading method, device and system |
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| CN107643095A (en) * | 2017-08-23 | 2018-01-30 | 宁波中车时代传感技术有限公司 | A kind of calibration method of sensor chip and the chip calibration programmable device of application this method |
| CN108171019A (en) * | 2018-01-12 | 2018-06-15 | 陈征宇 | Anti-counterfeit authentication method, fake certification system, fake certification equipment and storage medium |
| CN108171019B (en) * | 2018-01-12 | 2021-08-03 | 深圳芯易德科技有限公司 | Anti-counterfeiting verification method, anti-counterfeiting verification system, anti-counterfeiting verification device and storage medium |
| CN115963441A (en) * | 2022-12-09 | 2023-04-14 | 南京德克威尔自动化有限公司 | Automatic calibration test fixture |
| CN115963441B (en) * | 2022-12-09 | 2024-03-08 | 南京德克威尔自动化有限公司 | Automatic calibration test fixture |
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