CN112182271A - Device identification method and system - Google Patents
Device identification method and system Download PDFInfo
- Publication number
- CN112182271A CN112182271A CN201910595147.2A CN201910595147A CN112182271A CN 112182271 A CN112182271 A CN 112182271A CN 201910595147 A CN201910595147 A CN 201910595147A CN 112182271 A CN112182271 A CN 112182271A
- Authority
- CN
- China
- Prior art keywords
- identification
- pattern
- working area
- different
- identification pattern
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000012545 processing Methods 0.000 claims description 14
- 238000004040 coloring Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 10
- 238000013461 design Methods 0.000 description 9
- 239000003086 colorant Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
- G06F16/58—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/583—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/20—Education
- G06Q50/205—Education administration or guidance
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Theoretical Computer Science (AREA)
- Tourism & Hospitality (AREA)
- Library & Information Science (AREA)
- Educational Technology (AREA)
- Strategic Management (AREA)
- Educational Administration (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Marketing (AREA)
- Primary Health Care (AREA)
- Human Resources & Organizations (AREA)
- General Business, Economics & Management (AREA)
- General Health & Medical Sciences (AREA)
- Economics (AREA)
- Health & Medical Sciences (AREA)
- Data Mining & Analysis (AREA)
- Databases & Information Systems (AREA)
- General Engineering & Computer Science (AREA)
- Spectrometry And Color Measurement (AREA)
Abstract
The invention discloses a device identification method and a device identification system, wherein the device identification method comprises the following steps: step S1, pre-marking different devices respectively; s2, placing each device in a working area of image acquisition equipment, wherein the image acquisition equipment acquires a working area image covering each device and sends the working area image to a processor; step S3, the processor analyzes the working area image, and obtains the pre-identification information in the working area image to identify the corresponding device. The technical scheme of the invention can improve the identification accuracy of the device.
Description
Technical Field
The present invention relates to the field of device identification technologies, and in particular, to a device identification method and system.
Background
At present, students need to contact various experimental courses in the learning process and manually operate various experimental appliances; based on the current situations that school teachers are few and students are many, monitoring equipment is often arranged at the experimental positions of the students to record the whole experimental process, so that the experimental process of the students can be conveniently reviewed by the teachers in the later period, operation errors possibly existing in the students can be found, and teaching and correction can be carried out.
The existing monitoring equipment analyzes images obtained by monitoring based on the shapes of different experimental appliances, and basically can achieve the function of identifying different experimental appliances, however, the appearance difference among some experimental appliances is small (such as a current meter and a voltage meter), so that the situation that the monitoring equipment still has identification errors is still existed, and thus, the use experience of users is influenced.
Disclosure of Invention
The invention mainly aims to provide a device identification method, and aims to solve the technical problem that in the prior art, the device identification accuracy of monitoring equipment is poor.
In order to achieve the above object, the present invention provides a device identification method, including the following steps:
step S1, pre-marking different devices respectively;
s2, placing each device in a working area of image acquisition equipment, wherein the image acquisition equipment acquires a working area image covering each device and sends the working area image to a processor;
step S3, the processor analyzes the working area image, and obtains the pre-identification information in the working area image to identify the corresponding device.
Optionally, in the step S1, the pre-identification processing specifically includes: and coloring the preset area of the device to form a marking pattern.
Optionally, in the step S1, at least two different devices are pre-marked to form at least a first mark pattern and a second mark pattern;
the shape of the first identification pattern is different from that of the second identification pattern, and the color of the first identification pattern is the same as that of the second identification pattern; or
The shape of the first identification pattern is the same as that of the second identification pattern, and the color of the first identification pattern is different from that of the second identification pattern; or
The shape and the color of the first identification pattern are different from those of the second identification pattern.
Optionally, the step S1 specifically includes: carrying out pre-identification treatment on a plurality of specific structures of the device;
the step S3 further includes: and acquiring pre-identification information in the working area image to identify a specific structure corresponding to the pre-identification information.
Optionally, in the step S1, the pre-identification processing specifically includes: coloring a preset area surrounding the specific structure to form a marking pattern; or
In step S1, the pre-identification processing specifically includes: and coloring a preset area on the specific structure to form a marking pattern.
Optionally, in the step S1, at least two different specific structures of the device are pre-marked to form at least a third and a fourth marking pattern;
the shape of the third identification pattern is different from that of the fourth identification pattern, and the color of the third identification pattern is the same as that of the fourth identification pattern; or
The shape of the third identification pattern is the same as that of the fourth identification pattern, and the color of the third identification pattern is different from that of the fourth identification pattern; or
The third identification pattern is different from the fourth identification pattern in shape and color.
Optionally, the step S3 specifically includes: and the processor analyzes the working area image, acquires the pre-identification information in the working area image, and compares the pre-identification information prestored in the query database with a comparison table of the devices so as to identify the device corresponding to the corresponding pre-identification information.
Optionally, the device is a teaching aid or instrument or vessel or wire.
The invention also provides a device identification system, which comprises image acquisition equipment, a processor and different devices arranged in the working area of the image acquisition equipment; wherein,
different identification patterns are respectively arranged on the devices;
the image acquisition equipment is used for acquiring working area images covering all the devices and sending the working area images to the processor;
the processor is used for analyzing the working area image, and acquiring the identification pattern in the working area image so as to identify the corresponding device.
Optionally, the device is a teaching aid or an instrument or a vessel or a wire, and the identification pattern is a preset coloring area.
According to the technical scheme, different devices are respectively subjected to pre-identification processing, then image information of each device is collected, then the image is processed through the processor, and the different devices are identified based on the position information of each identification.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic flow chart illustrating an embodiment of a device identification method according to the present invention;
FIG. 2 is a schematic diagram of an embodiment of a device identification system according to the present invention;
FIG. 3 is a schematic structural diagram of an embodiment of the ammeter in FIG. 2;
FIG. 4 is a schematic diagram of an embodiment of the voltmeter of FIG. 2;
FIG. 5 is a schematic structural diagram of another embodiment of the ammeter shown in FIG. 2;
fig. 6 is a schematic structural diagram of another embodiment of a device identification system according to the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | Device with a |
11 | |
| 111 | |
111a | |
| 112 | |
112a | |
| 113 | |
113a | |
| 12 | |
121 | |
| 121a | |
13 | Large- |
| 14 | Small |
2 | |
| 3 | Processor with a memory having a plurality of memory cells |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a device identification method.
In this embodiment, the device is a teaching aid or an instrument or a vessel or a wire, but in other embodiments, the device may be other objects with identification requirements, and the design is not limited thereto. For example, but not limited to, the laboratory instrument is a circuit laboratory instrument. The technical scheme of the invention is introduced by a circuit experimental instrument as follows:
in an embodiment of the present invention, referring to fig. 1 to 4, the method for identifying a device includes the following steps:
step S1, pre-marking different devices 1 respectively;
it is easy to understand that the circuit experiment apparatus includes, but is not limited to, an ammeter 11, a voltmeter 12, a resistor, a power supply, and the like, and this step is to perform pre-identification processing on each different appliance, where the pre-identification processing is based on a preset rule that each device 1 corresponds to an identifier one to one. It should be noted that, in the technical solution of the present invention, the way of the pre-marking process is not limited to coloring, imprinting lines, etc. In addition, it should be noted that the different devices may be the same type of device, but only have different sizes, so that the recognition of the two devices with different sizes is better realized in a pre-identification manner.
Step S2, placing each device 1 in the working area of the image acquisition equipment 2, and the image acquisition equipment 2 acquires the working area image covering each device 1 and sends the working area image to the processor 3;
it can be understood that the working area of the image capturing device 2 is the area where the student performs the experiment, and the image capturing device 2 effectively records the experiment process of the student while capturing the image of the working area. Without loss of generality, the image capture device 2 may be a camera or the like, to which the present design is not limited.
Step S3, the processor 3 analyzes the working area image, and obtains the pre-identification information in the working area image to identify the corresponding device 1.
It can be understood that the processor 3 pre-stores the rule that the devices 1 correspond to the identifiers one to one, after the processor 3 acquires the image of the working area, the pre-identifier information in the image is extracted, and the device 1 matched with the pre-identifier information can be obtained by referring to the preset corresponding rule of the device 1 and the identifier, so that the process of identifying the device 1 is completed. For example, but not limited to, in this embodiment, a comparison table between the device 1 and the identification information is pre-stored in the processor 3, and after the pre-identification information in the image is extracted by the processor 3, the device 1 corresponding to the pre-identification information can be identified by looking up the table. Note that the present design is not limited to this, and a step of feeding back the recognized device 1 name to the student may be further included after step S3.
According to the technical scheme, different devices 1 are respectively subjected to pre-identification processing, then image information of each device 1 is acquired, then the image is processed through the processor 3, and identification of different devices 1 is realized based on position information of each identification, so that compared with the mode that the device 1 is identified only by processing and analyzing the appearance of the device 1 in the prior art, the accuracy of identification can be effectively improved, and user experience is improved.
Optionally, in step S1, the pre-identification processing specifically includes: a predetermined area of the device 1 is colored to form a logo pattern. It can be understood that in the mode, the original experimental apparatus does not need to be structurally changed, and the efficiency is improved and the cost is reduced. It should be noted that the design is not limited to this, and in other embodiments, the device 1 may be pre-identified in other ways.
Optionally, in step S1, at least two different devices 1 are subjected to a pre-marking process to form at least a first marking pattern 111a and a second marking pattern 121 a; in this embodiment, the ammeter 11 and the voltmeter 12 are respectively subjected to pre-marking processing to form a first marking pattern 111a and a second marking pattern 121a, the first marking pattern 111a and the second marking pattern 121a have the same shape, but the colors of the two patterns are different, for example, but not limited to, the two patterns are square, but one pattern is red and the other pattern is blue, and it can be understood that, with this configuration, the processor 3 distinguishes different experimental tools by comparing the colors of the different marking patterns. It should be noted that the design is not limited thereto, and in other embodiments, the shape of the first identification pattern 111a is different from the second identification pattern 121a, and the color of the first identification pattern 111a is the same as that of the second identification pattern 121 a; or the first logo pattern 111a may be different in shape and color from the second logo pattern 121 a.
Optionally, step S1 specifically includes: pre-marking a plurality of specific structures of the device 1; step S3 further includes: and acquiring pre-identification information in the working area image to identify a specific structure corresponding to the pre-identification information. It can be understood that, by the arrangement, the experimental apparatus can be distinguished, and the specific structure of the experimental apparatus can be identified. In this embodiment, for experimental apparatus such as ampere meter 11, voltmeter 12, this particular structure mainly embodies the terminal to reach the effect that treater 3 can discern different terminals, thereby be favorable to post processor 3 to judge that the student is correct or wrong in the circuit connection in the experiment.
In this embodiment, the pre-identifying process in step S1 specifically includes: coloring a preset area surrounding a specific structure to form a marking pattern; it can be understood that the arrangement is favorable for increasing the area of the identification region, and then the accuracy of identification is better improved. It should be noted that, the present design is not limited to this, and in another embodiment, referring to fig. 5, in step S1, the pre-identification processing specifically includes: and coloring a preset area on the specific structure to form the identification pattern.
Optionally, in this embodiment, the first identification pattern 111a is disposed at the first terminal 111 of the ammeter 11 (the second identification pattern 121a is disposed at the second terminal 121 of the voltmeter 12), and in addition, the third terminal 112 and the fourth terminal 113 are also respectively provided with a third identification pattern 112a and a fourth identification pattern 113a, so that the processor 3 can distinguish the three terminals without loss of generality, the third identification pattern 112a is different from the fourth identification pattern 113a in shape, and the third identification pattern 112a is the same in color as the fourth identification pattern 113a, for example, but not limited to, the third identification pattern 112a and the fourth identification pattern 113a are both square, but one is red and the other is blue, it can be understood that, by this arrangement, the processor 3 distinguishes different terminals by comparing the colors of the different identification patterns. It should be noted that, the design is not limited thereto, in other embodiments, the shape of the third logo pattern 112a is the same as the fourth logo pattern 113a, and the color of the third logo pattern 112a is different from the fourth logo pattern 113 a; or the third logo pattern 112a may have a different shape and color from the fourth logo pattern 113 a.
It should be noted that the design is not limited thereto, and in other embodiments, the device may also be a vessel, such as, but not limited to, a measuring cup; referring to fig. 6, the large quantity cup 13 is provided with a first identification pattern 111a, and the small quantity cup 14 is provided with a second identification pattern 121a, so that the image capturing device can effectively distinguish the large quantity cup 13 from the small quantity cup 14 by recognizing the identification patterns.
With reference to fig. 2 to 4, the present invention also proposes a device identification system, comprising an image acquisition device 2, a processor 3, and different devices 1 arranged in a working area of the image acquisition device 2; wherein,
different identification patterns are respectively arranged on each device 1;
the image acquisition equipment 2 is used for acquiring working area images covering all the devices 1 and sending the working area images to the processor 3;
the processor 3 is configured to analyze the working area image, and obtain the identification pattern in the working area image to identify the device 1 corresponding thereto.
Optionally, the device 1 is a circuit laboratory instrument and the identification pattern is a predetermined colored area. It can be understood that the coloring identification mode does not need to structurally change the original experimental instrument, thereby being beneficial to improving the efficiency and reducing the cost. Taking the ammeter 11 and the voltmeter 12 as an example, in this embodiment, the ammeter 11 and the voltmeter 12 are respectively provided with marks having the same shape but different colors, and of course, in other embodiments, the ammeter 11 and the voltmeter 12 can also be respectively provided with marks having different shapes but the same color, or marks having different shapes and colors. In particular, in the present embodiment, the identification pattern is provided at the post of the ammeter 11 or the voltmeter 12 to identify the position and the type of the post.
It should be noted that the design is not limited thereto, and in other embodiments, the device may also be a vessel, such as, but not limited to, a measuring cup; referring to fig. 6, the large quantity cup 13 is provided with a first identification pattern 111a, and the small quantity cup 14 is provided with a second identification pattern 121a, so that the image capturing device can effectively distinguish the large quantity cup 13 from the small quantity cup 14 by recognizing the identification patterns.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A method of device identification, comprising the steps of:
step S1, pre-marking different devices respectively;
s2, placing each device in a working area of image acquisition equipment, wherein the image acquisition equipment acquires a working area image covering each device and sends the working area image to a processor;
step S3, the processor analyzes the working area image, and obtains the pre-identification information in the working area image to identify the corresponding device.
2. The device identification method according to claim 1, wherein in the step S1, the pre-identification processing specifically includes: and coloring the preset area of the device to form a marking pattern.
3. The device identification method according to claim 2, wherein in said step S1, at least two different devices are subjected to a pre-marking process to form at least a first marking pattern and a second marking pattern;
the shape of the first identification pattern is different from that of the second identification pattern, and the color of the first identification pattern is the same as that of the second identification pattern; or
The shape of the first identification pattern is the same as that of the second identification pattern, and the color of the first identification pattern is different from that of the second identification pattern; or
The shape and the color of the first identification pattern are different from those of the second identification pattern.
4. The device identification method according to claim 1, wherein the step S1 specifically includes: carrying out pre-identification treatment on a plurality of specific structures of the device;
the step S3 further includes: and acquiring pre-identification information in the working area image to identify a specific structure corresponding to the pre-identification information.
5. The device identification method according to claim 4, wherein in the step S1, the pre-identification processing specifically includes: coloring a preset area surrounding the specific structure to form a marking pattern; or
In step S1, the pre-identification processing specifically includes: and coloring a preset area on the specific structure to form a marking pattern.
6. The device identification method according to claim 5, wherein in said step S1, at least two different specific structures of the device are subjected to a pre-marking process to form at least a third marking pattern and a fourth marking pattern;
the shape of the third identification pattern is different from that of the fourth identification pattern, and the color of the third identification pattern is the same as that of the fourth identification pattern; or
The shape of the third identification pattern is the same as that of the fourth identification pattern, and the color of the third identification pattern is different from that of the fourth identification pattern; or
The third identification pattern is different from the fourth identification pattern in shape and color.
7. The device identification method according to claim 1, wherein the step S3 specifically includes: and the processor analyzes the working area image, acquires the pre-identification information in the working area image, and compares the pre-identification information prestored in the query database with a comparison table of the devices so as to identify the device corresponding to the corresponding pre-identification information.
8. A method of identifying a device as claimed in any one of claims 1 to 7, wherein the device is a teaching aid or instrument or vessel or wire.
9. The device identification system is characterized by comprising image acquisition equipment, a processor and different devices arranged in a working area of the image acquisition equipment; wherein,
different identification patterns are respectively arranged on the devices;
the image acquisition equipment is used for acquiring working area images covering all the devices and sending the working area images to the processor;
the processor is used for analyzing the working area image, and acquiring the identification pattern in the working area image so as to identify the corresponding device.
10. A device identification system as claimed in claim 9 wherein the device is a teaching aid or instrument or vessel or wire and the identification pattern is a predetermined coloured area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910595147.2A CN112182271A (en) | 2019-07-03 | 2019-07-03 | Device identification method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910595147.2A CN112182271A (en) | 2019-07-03 | 2019-07-03 | Device identification method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112182271A true CN112182271A (en) | 2021-01-05 |
Family
ID=73916063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910595147.2A Pending CN112182271A (en) | 2019-07-03 | 2019-07-03 | Device identification method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112182271A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072526A (en) * | 1991-10-09 | 1993-05-26 | 基维索夫特程序有限公司 | Recognition system |
| WO2015008742A1 (en) * | 2013-07-16 | 2015-01-22 | クオリカプス株式会社 | Apparatus and method for marking edible object |
| CN105855190A (en) * | 2016-06-02 | 2016-08-17 | 佛山市鼎航智能装备有限公司 | Goods identification device |
| CN205628671U (en) * | 2016-06-02 | 2016-10-12 | 佛山市鼎航智能装备有限公司 | Article recognition device |
| CN106093038A (en) * | 2016-06-02 | 2016-11-09 | 佛山市鼎航智能装备有限公司 | A kind of item identification method |
-
2019
- 2019-07-03 CN CN201910595147.2A patent/CN112182271A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072526A (en) * | 1991-10-09 | 1993-05-26 | 基维索夫特程序有限公司 | Recognition system |
| WO2015008742A1 (en) * | 2013-07-16 | 2015-01-22 | クオリカプス株式会社 | Apparatus and method for marking edible object |
| CN105855190A (en) * | 2016-06-02 | 2016-08-17 | 佛山市鼎航智能装备有限公司 | Goods identification device |
| CN205628671U (en) * | 2016-06-02 | 2016-10-12 | 佛山市鼎航智能装备有限公司 | Article recognition device |
| CN106093038A (en) * | 2016-06-02 | 2016-11-09 | 佛山市鼎航智能装备有限公司 | A kind of item identification method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105701766A (en) | Image matching method and device | |
| CN108537218A (en) | A kind of identifying processing method and device of answering card | |
| CN113597614B (en) | Image processing method and device, electronic equipment and storage medium | |
| CN114708486B (en) | Automatic judging method for connection of physical and electrical experiment operation circuit | |
| CN110988477A (en) | Power grid phase judgment and checking method | |
| CN105488820B (en) | Color comparison method and device | |
| CN112182271A (en) | Device identification method and system | |
| CN114005061A (en) | Intelligent experimental scoring method, device and equipment | |
| CN112287001B (en) | Information display method, device, computer equipment and storage medium | |
| CN105975157B (en) | A kind of classifying indication method and system based on mobile terminal application icon shape | |
| CN209946352U (en) | HiL wire harness testing device | |
| CN109145894A (en) | A kind of paper recognition methods based on mark point | |
| CN104019901B (en) | A kind of automobile instrument indicator light colors detection method based on dynamic cluster method | |
| CN210515842U (en) | Electricity experimental apparatus and electricity experimental device | |
| CN108802512B (en) | Power distribution system test method and device | |
| CN206259510U (en) | A kind of fence type safe wiring terminal | |
| CN112256908A (en) | Method and system for identifying device connection relation | |
| CN108846386A (en) | A kind of hand drawing pattern intelligent recognition and correcting method | |
| CN113887415A (en) | Method and device for identifying gear of knob switch, electronic equipment and storage medium | |
| CN204332130U (en) | A kind of Identify chip and detection device for training skill | |
| CN113128881A (en) | Operation evaluation method and device for measuring instrument and storage medium | |
| CN105095886A (en) | Face recognition method and apparatus | |
| DE102019135484A1 (en) | Transmitter unit and measuring arrangement | |
| CN206312477U (en) | Modern electronic experiment teaching platform | |
| CN113112467B (en) | Plan drawing labeling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210105 |