CN107066908A - A kind of bar code scan equipment with dual trigger pattern - Google Patents
A kind of bar code scan equipment with dual trigger pattern Download PDFInfo
- Publication number
- CN107066908A CN107066908A CN201611214701.0A CN201611214701A CN107066908A CN 107066908 A CN107066908 A CN 107066908A CN 201611214701 A CN201611214701 A CN 201611214701A CN 107066908 A CN107066908 A CN 107066908A
- Authority
- CN
- China
- Prior art keywords
- bar code
- decoding
- pattern
- schema
- storehouse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10712—Fixed beam scanning
- G06K7/10722—Photodetector array or CCD scanning
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
- G06K7/1413—1D bar codes
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/146—Methods for optical code recognition the method including quality enhancement steps
- G06K7/1478—Methods for optical code recognition the method including quality enhancement steps adapting the threshold for pixels in a CMOS or CCD pixel sensor for black and white recognition
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Cash Registers Or Receiving Machines (AREA)
- Image Input (AREA)
Abstract
A kind of bar code scan equipment with dual trigger pattern, comprising the first trigger source and the second trigger source, each produces corresponding interrupt.CPU starts corresponding decoding schema according to the interruption received, and there is different decoding schemas different illumination and aiming pattern to be adapted different types of bar code, facilitate user and equipment to recognize bar code.When in a certain decoding schema, bar code decoding Coordination module accesses the corresponding interface of bar code decoding chip, it is only necessary to decoding trial is carried out from the partial decoding of h storehouse of bar code decoding chip, reduces decoding number of attempt, shortens the decoding time, improves decoding efficiency.
Description
Technical field
The present invention relates to a kind of bar code scan equipment with multiple operating mode, relate in particular to a kind of with dual trigger
The bar code scan equipment of pattern.
Background technology
Bar code includes one-dimensional bar code and two-dimensional bar, due to its easy error correction, can carry that information capacity is big, be fabricated to
This cheap advantage, is commonly employed in automatic identification fields such as industrial flow control, warehouse logisticses and postal managements.
In these process management, by quickly successfully recognizing bar code, improving operating efficiency has major and immediate significance.One-dimensional bar code
It is generally used for making an inventory and reviewing for commodity with Quick Response Code, one-dimension code is limited due to data-carrying capacity, usually as price data
The carrier of carrier and product type.It possesses the bigger advantage of relativity of information to Quick Response Code, can be as in production, transportation
The record carrier of flow.This two kinds of code elements are generally present in the packaging of commodity simultaneously.
Bar code scan equipment of the prior art is all the one shot pattern that uses, such as single board computer, single-button triggering.Face
Bar code species in current commodity packaging gradually increases, the situation that various bar code combinations progressively emerge in large numbers, when commodity packaging surface is deposited
Can simultaneously scanning recognition one-dimensional and/or two-dimensional bar code when, need to recognize that any bar code feeds back to user, one shot actually
The application of pattern just shows slightly not enough.One shot pattern, bar code recognizing apparatus is the same without normal direction artificial intelligence, identifies that this is at once
One-dimensional bar code or two-dimensional bar, it can only one by one be decoded by the decoding algorithms of all bar codes of storage
Attempt, untill successfully decoded.This will result in the waste of decoding resource, so that it is time-consuming to increase decoding.When a certain bar code
When similar to other kinds of characteristics of bar code, the decoded information of mistake is easily produced to a certain extent.
The content of the invention
Therefore, the technical problems to be solved by the invention are under one shot pattern in the prior art that bar code decoding equipment consumes
When it is longer, easily produce mistake decoded information.
In order to solve the above technical problems, the technical scheme used of the present invention：
A kind of bar code scan equipment with dual trigger pattern, comprising with lower module：
First trigger source, produces first and interrupts, and CPU receives first and interrupted, and order bar code reading module is performed
First decoding schema；
Second trigger source, produces second and interrupts, and CPU receives second and interrupted, and order bar code reading module is performed
Second decoding schema；
CPU, receives the interruption that the first trigger source or the second trigger source are sent, and according to interrupt notification bar code
Distinguish module and open corresponding decoding schema；
Bar code reading module, comprising：The optical filtering set after sphere camera lens immediately ahead of module casing center, camera lens
The cmos image sensor uprightly set after piece, optical filter, illuminator, sighting system, with the first decoding schema and second
Decoding schema；First decoding schema is included：First light illumination mode, first aims at pattern；Second decoding schema is included：Second illumination
Pattern, second aims at pattern；
Bar code decoding Coordination module, when performing the first decoding schema, access bar code decoding chip first decodes connecing for storehouse
Mouthful；When performing the second decoding schema, access bar code decoding chip second decodes the interface in storehouse；
Bar code decoding chip, is field programmable gate array, with the first decoding storehouse and the second decoding storehouse, the first decoding storehouse
With the second decoding storehouse there is corresponding interface to be turned on bar code reading module.
First light illumination mode is used under distributed lighting, the first aiming pattern has green bar in the bar table face aimed at
Shape visible light spot.
Second light illumination mode is illuminated using centralization, has red ten in the bar table face aimed under the second aiming pattern
Font visible laser hot spot.
The bar code reading module is also comprising recognition feedback indicating mode, when the first decoding schema or the second decoding schema solution
After code success, produce the first aiming pattern that is different from and second and aim at the visible light spot of pattern.
The slot for placing optical filter is provided with the module casing.
The above-mentioned technical proposal of the present invention has advantages below compared with prior art:
1. a kind of bar code scan equipment with dual trigger pattern, each self-produced comprising the first trigger source and the second trigger source
Raw corresponding interruption.CPU starts corresponding decoding schema, different decoding schema tools according to the interruption received
There are different illumination and aiming pattern to be adapted different types of bar code, facilitate user and equipment to recognize bar code.When in certain
During one decoding schema, bar code decoding Coordination module accesses the corresponding interface of bar code decoding chip, it is only necessary to from bar code decoding chip
Partial decoding of h storehouse in carry out decoding trial, reduce decoding number of attempt, shorten the decoding time, improve decoding efficiency.
2. a kind of bar code scan equipment with dual trigger pattern, the first light illumination mode uses distributed lighting, convenient figure
As illumination light filling of the sensor to strip one-dimensional bar code, strip visible light spot is convenient to be taken aim to strip one-dimensional bar code
It is accurate.
3. a kind of bar code scan equipment with dual trigger pattern, the second light illumination mode is illuminated using centralization, convenient figure
As illumination light filling of the sensor to rectangle two-dimensional bar, the convenient aiming to rectangle two-dimensional bar of cross spot.
4. a kind of bar code scan equipment with dual trigger pattern, after bar code decoding success, projects on bar code surface and produces
The raw visible light spot for being different from first and second aiming pattern, intuitively points out the success of user's bar code decoding.
5. a kind of bar code scan equipment with dual trigger pattern, optical filter is interchangeable to be arranged in module casing, can
To recognize the bar code image of different wave length.
Brief description of the drawings
In order that present disclosure is more likely to be clearly understood, specific embodiment and combination below according to the present invention
Accompanying drawing, the present invention is further detailed explanation, wherein,
Fig. 1 is a kind of system block diagram of the bar code scan equipment with dual trigger pattern of the present invention；
Fig. 2 is a kind of a kind of surface structure schematic diagram of the bar code scan equipment with dual trigger pattern of the present invention；
Fig. 3 is a kind of structural representation of the bar code reading module of the bar code scan equipment with dual trigger pattern of the present invention
Figure；
Fig. 4 is a kind of finder lens of the bar code reading module of the bar code scan equipment with dual trigger pattern of the present invention
Schematic diagram；
Fig. 5 is a kind of another surface structure schematic diagram of the bar code scan equipment with dual trigger pattern of the present invention.
Reference：The trigger sources of 1- first；The trigger sources of 2- second；3- CPU；4- bar code readings
Module；41- sphere camera lenses；The light illumination modes of 421- first；The light illumination modes of 422- second；431- first takes aim at
Quasi-mode；432- second aims at pattern；5- bar code decoding Coordination modules；6- bar code decoding chips.
Embodiment
A kind of bar code scan equipment with dual trigger pattern, as shown in Figure 1, 2, comprising with lower module：
First trigger source 1, produces first and interrupts, and CPU receives first and interrupted, and order bar code reading module is held
The decoding schema of row first.
Second trigger source 2, produces second and interrupts, and CPU receives second and interrupted, and order bar code reading module is held
The decoding schema of row second.
Hardware interrupts are an asynchronous signals, demonstrate the need for noting, or need to change in one synchronous event of execution.Hardware
Interruption is a kind of in polling loop, avoids wasting the mode of the quality time of processor in terms of waiting external event.It is used as one
Independent has control line system.Hardware interrupts in the present invention are external interrupts.First trigger source 1 and the conduct of the second trigger source 2
One hardware switch, can be set respectively, can also be integrated in a switch (trigger of such as bar code scanner), such as Fig. 5 institutes
Show, wherein bar code reading module 4 is arranged on after protective glass, is not shown.
CPU 3, receives the interruption that the first trigger source 1 or the second trigger source 2 are sent, and according to interrupt notification bar
Code recognition module opens corresponding decoding schema.In hardware interrupts, CPU can with auto-steering interrupt handling routine,
Compared to software interrupt, execution efficiency is improved.
Bar code reading module 4, also as shown in figure 3, comprising：Sphere camera lens 41 immediately ahead of module casing center, by
In use environment of the bar code reading environment unlike digital products such as mobile phones, preferred use glass lens here, high temperature resistant is moisture resistance
It is wet.The optical filter set after camera lens, the reason for setting optical filter is, as existing CMOS is continued to develop, pixel and support
Number of colors is improved constantly, bar code decoding as a kind of commercial Application, itself it is desirable that the higher black and white of image sharpness, contrast or
The bar code image of certain specific color of person, so needing to filter out the light of other unnecessary wavelengths.Uprightly set after optical filter
Cmos image sensor.Illuminator, with many White LEDs.Sighting system, light source and laser aiming light are aimed at LED
Source, and it is each provided with finder lens.First decoding schema and the second decoding schema；First decoding schema is included：First illumination
Pattern 421, first aims at pattern 431；Second decoding schema is included：Second light illumination mode 422, second aims at pattern 432.
Bar code decoding Coordination module 5, when performing the first decoding schema, access bar code decoding chip first decodes connecing for storehouse
Mouthful；When performing the second decoding schema, access bar code decoding chip second decodes the interface in storehouse.It can use of the prior art
Signal coordinating module.
Bar code decoding chip 6, is field programmable gate array, with the first decoding storehouse and the second decoding storehouse, the first decoding
There is corresponding interface to be turned on bar code reading module for storehouse and the second decoding storehouse.Can be using New World computer joint-stock company
0390 chip.RAM, ROM is coordinated to carry out bar code decoding, hardware decoding by software decoding algorithm compared to more traditional CPU or MCU
Due to using pure hardware circuit, decoding speed improves manyfold.
A kind of bar code scan equipment with dual trigger pattern, comprising the first trigger source and the second trigger source, is each produced
It is corresponding to interrupt.CPU starts corresponding decoding schema according to the interruption received, and different decoding schemas have
Different illuminations and aiming pattern are adapted different types of bar code, facilitate user and equipment to recognize bar code.When in a certain
During decoding schema, bar code decoding Coordination module accesses the corresponding interface of bar code decoding chip, it is only necessary to from bar code decoding chip
Decoding trial is carried out in partial decoding of h storehouse, decoding number of attempt is reduced, shortens the decoding time, improve decoding efficiency.
First light illumination mode 421 is used to be had under distributed lighting, the first aiming pattern 431 in the bar table face aimed at
Green strip visible light spot.Facilitate the aiming of strip bar code.The lens for producing green strip visible light spot are a column
Acrylic or glass lens.Green LED, strip visible light spot can be formed by lens.
Second light illumination mode 422 is illuminated using centralization, is had under the second aiming pattern 432 in the bar table face aimed at
Red cross visible laser hot spot.The convenient aiming to rectangle two-dimensional bar of cross spot.Diffraction eyeglass can be used,
As shown in figure 4, mirror body is transparent, mirror body one side is in smooth；Another side with a pair of linea angulatas be divided into above and below two subregions, A areas and B
Area；Wherein：
A areas, are divided into six impartial regions of height from top to bottom, and first region is that twill face, Two Areas are light
Sliding surface, remaining region is repeated in arrangement with this order twill face, shiny surface；
B areas, are divided into six impartial regions of width from left to right, and first region is that shiny surface, Two Areas are oblique
Line face, remaining region are repeated in arrangement with this order shiny surface, twill face.
The bar code reading module is also comprising recognition feedback indicating mode, when the first decoding schema or the second decoding schema solution
After code success, produce the first aiming pattern that is different from and second and aim at the visible light spot of pattern.It can be a round lens, throw
Penetrate one round dot of generation.Either with figuratum diffraction lens, generate with figuratum hot spot, such as producer logo.Also compare
Such as " OK " printed words.Intuitively prompting user bar code decoding success.
The slot for placing optical filter is provided with the module casing.User is facilitated to replace optical filter.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (5)
1. a kind of bar code scan equipment with dual trigger pattern, it is characterised in that comprising with lower module：
First trigger source, produces first and interrupts, and CPU receives first and interrupted, and order bar code reading module performs first
Decoding schema；
Second trigger source, produces second and interrupts, and CPU receives second and interrupted, and order bar code reading module performs second
Decoding schema；
CPU, receives the interruption that the first trigger source or the second trigger source are sent, and according to interrupt notification bar code reading
Module opens corresponding decoding schema；
Bar code reading module, comprising：The optical filter set after sphere camera lens immediately ahead of module casing center, camera lens, filter
The cmos image sensor uprightly set after mating plate, illuminator, sighting system, with the first decoding schema and the second decoding mould
Formula；First decoding schema is included：First light illumination mode, first aims at pattern；Second decoding schema is included：Second light illumination mode,
Second aims at pattern；
Bar code decoding Coordination module, when performing the first decoding schema, access bar code decoding chip first decodes the interface in storehouse；When
When performing the second decoding schema, access bar code decoding chip second decodes the interface in storehouse；
Bar code decoding chip, is field programmable gate array, with the first decoding storehouse and the second decoding storehouse, the first decoding storehouse and the
There is corresponding interface to be turned on bar code reading module in two decoding storehouses.
2. a kind of bar code scan equipment with dual trigger pattern according to claim 1, it is characterised in that the first illumination
Pattern is used has green strip visible light spot in the bar table face aimed under distributed lighting, the first aiming pattern.
3. a kind of bar code scan equipment with dual trigger pattern according to claim 1 or 2, it is characterised in that second
Light illumination mode is illuminated using centralization, has red cross visible laser in the bar table face aimed under the second aiming pattern
Hot spot.
4. according to a kind of any described bar code scan equipment with dual trigger pattern of claim 1-3, it is characterised in that institute
Bar code reading module is stated also comprising recognition feedback indicating mode, after the first decoding schema or the second decoding schema successfully decoded,
Produce the first aiming pattern that is different from and second and aim at the visible light spot of pattern.
5. a kind of bar code scan equipment with dual trigger pattern according to claim 3 or 4, it is characterised in that described
The slot for placing optical filter is provided with module casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611214701.0A CN107066908B (en) | 2016-12-26 | 2016-12-26 | Bar code scanning device with double trigger modes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611214701.0A CN107066908B (en) | 2016-12-26 | 2016-12-26 | Bar code scanning device with double trigger modes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107066908A true CN107066908A (en) | 2017-08-18 |
| CN107066908B CN107066908B (en) | 2021-08-03 |
Family
ID=59623845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611214701.0A Active CN107066908B (en) | 2016-12-26 | 2016-12-26 | Bar code scanning device with double trigger modes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107066908B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109522763A (en) * | 2018-09-06 | 2019-03-26 | 深圳盈达信息科技有限公司 | A kind of method of sight and its sighting device of bar code reader |
| WO2019169517A1 (en) * | 2018-03-04 | 2019-09-12 | 无锡盈达聚力科技有限公司 | Barcode recognition component and barcode recognition device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1648931A (en) * | 2004-01-20 | 2005-08-03 | 深圳市朗科科技有限公司 | Decoding device and method for bar code |
| CN102741864A (en) * | 2011-09-28 | 2012-10-17 | 华为技术有限公司 | Multi-layer quick response code image encoding and decoding method and encoding and decoding device |
| CN202815862U (en) * | 2012-08-21 | 2013-03-20 | 深圳市华阳信通科技发展有限公司 | Bar code recognizing-and-reading apparatus having double read heads |
| CN103679107A (en) * | 2012-09-25 | 2014-03-26 | 霍尼韦尔国际公司 | IC chip imager based on package-on-package |
| CN104537331A (en) * | 2014-12-18 | 2015-04-22 | 福建新大陆自动识别技术有限公司 | Bar code reading device |
| US20160132706A1 (en) * | 2013-06-05 | 2016-05-12 | Beijing Qihoo Technology Company Limited | Method and apparatus for mobile terminal to process visual graphics code |
| CN105631383A (en) * | 2015-12-30 | 2016-06-01 | 福建联迪商用设备有限公司 | Intelligent gating bar code decoding method and system |
-
2016
- 2016-12-26 CN CN201611214701.0A patent/CN107066908B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1648931A (en) * | 2004-01-20 | 2005-08-03 | 深圳市朗科科技有限公司 | Decoding device and method for bar code |
| CN102741864A (en) * | 2011-09-28 | 2012-10-17 | 华为技术有限公司 | Multi-layer quick response code image encoding and decoding method and encoding and decoding device |
| CN202815862U (en) * | 2012-08-21 | 2013-03-20 | 深圳市华阳信通科技发展有限公司 | Bar code recognizing-and-reading apparatus having double read heads |
| CN103679107A (en) * | 2012-09-25 | 2014-03-26 | 霍尼韦尔国际公司 | IC chip imager based on package-on-package |
| US20160132706A1 (en) * | 2013-06-05 | 2016-05-12 | Beijing Qihoo Technology Company Limited | Method and apparatus for mobile terminal to process visual graphics code |
| CN104537331A (en) * | 2014-12-18 | 2015-04-22 | 福建新大陆自动识别技术有限公司 | Bar code reading device |
| CN105631383A (en) * | 2015-12-30 | 2016-06-01 | 福建联迪商用设备有限公司 | Intelligent gating bar code decoding method and system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019169517A1 (en) * | 2018-03-04 | 2019-09-12 | 无锡盈达聚力科技有限公司 | Barcode recognition component and barcode recognition device |
| CN109522763A (en) * | 2018-09-06 | 2019-03-26 | 深圳盈达信息科技有限公司 | A kind of method of sight and its sighting device of bar code reader |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107066908B (en) | 2021-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102982301B (en) | Decodable indicia reading terminal with optical filter | |
| US6375075B1 (en) | Method and apparatus for reading machine-readable symbols including color symbol elements | |
| CN107273773B (en) | Imager reader with gesture interface | |
| US7028901B2 (en) | System and method for reading and decoding optical codes using multiple color illumination | |
| EP2416276B1 (en) | Image engine with integrated circuit structure for indicia reading terminal | |
| EP2945095B1 (en) | Indicia-reader housing with an integrated optical structure | |
| JP7289703B2 (en) | handheld optical information reader | |
| CN103049727A (en) | Bar code recognizing, reading and decoding module and handheld electronic device | |
| CN104298949A (en) | One-dimensional bar code recognition method | |
| CN108241884A (en) | A kind of composite bar code and its recognizing apparatus | |
| CN107066908A (en) | A kind of bar code scan equipment with dual trigger pattern | |
| CN104298948A (en) | One-dimensional bar code recognition engine | |
| US9189674B2 (en) | 2D barcode scanner | |
| CN104966039B (en) | A kind of bar code reading engine for being used to obtain view data | |
| WO2023134304A1 (en) | Optical information collection apparatus and optical information collection method | |
| KR20080078906A (en) | Counter | |
| CN205038658U (en) | A bar code recognition engine for obtaining image data | |
| CN204087222U (en) | A kind of imaging type two-dimensional bar code scanning platform | |
| CN104866798B (en) | It is a kind of for obtaining the bar code reading engine of image data | |
| CN204856516U (en) | A bar code recognition engine for obtaining image data | |
| CN104463071A (en) | Bar code reading device | |
| CN204791045U (en) | A bar code recognition engine for obtaining image data | |
| CN108241812A (en) | A kind of bar code scan equipment for the dual trigger pattern for identifying bill | |
| US20240125905A1 (en) | Hyperspectral machine-readable symbols and machine-readable symbol reader with hyperspectral sensor | |
| CN108256367B (en) | Illuminator for DPM scanner |
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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Qirui Inventor after: Qi Weiyu Inventor after: Zheng Chunhua Inventor before: Liu Qirui Inventor before: Zheng Chunhua |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |