CN104966039B - A kind of bar code reading engine for being used to obtain view data - Google Patents
A kind of bar code reading engine for being used to obtain view data Download PDFInfo
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- CN104966039B CN104966039B CN201510260882.XA CN201510260882A CN104966039B CN 104966039 B CN104966039 B CN 104966039B CN 201510260882 A CN201510260882 A CN 201510260882A CN 104966039 B CN104966039 B CN 104966039B
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Abstract
The present invention relates to a kind of bar code reading engine for being used to obtain view data, including image-forming assembly, MIPI bridging chips, decoding chip, light source, lighting source and input/output module are aimed at；The image-forming assembly, MIPI bridging chips, aiming light source, lighting source electrically connect with decoding chip, and input/output module communicates to connect with decoding chip, the input/output module and PERCOM peripheral communication, transmission of control signals to decoding chip；Structure of the bar code reading engine as an entirety, image-forming assembly integrated design is reduced to the overall volume of bar code reading engine；Using MIPI bridging chips, the signal that image-forming assembly exports is exported after MIPI bridging chips, reduce the compatibility issue of whole bar code reading engine and simplify design, both increased bandwidth, improved performance, while and can reduces cost, complexity, power consumption and EMI.Using integrated global electronic shutter image sensor array, within the same time for exposure can catch multiple images pixel makes image quality higher.
Description
Technical field
The invention belongs to automatic identification industry, is related to a kind of bar code reading engine for being used to obtain view data.
Background technology
Two-dimensional bar code is the black and white being distributed with specific geometric figure according to certain rule in plane (on two-dimensional directional)
Alternate matrix area, the matrix area is to record symbol information.Quick Response Code can be divided into stack Quick Response Code and matrix form
Quick Response Code bar code.Stack Quick Response Code is to be stacked to form by the bar code of multirow cutting back；Matrix two-dimensional barcode is with matrix
Form forms, and represents binary one with " point " on matrix respective element position, binary zero is represented with sky, by point and idle discharge
Row composition data code.In daily life and commercial Application, the use of bar code is more and more extensive, such as：Retail trade, logistics
Industry, financial industry are increasing to the use demand of bar code.
Also more and more higher, bar code read engine as reading for the requirement developed rapidly to bar code reading taking equipment of barcode technology
One important component of bar code, the bar code decoding engine volume to circulate on existing market is big, poor compatibility, low production efficiency
Under, cost is high.In terms of electronic circuit, the CMOS used is produced as the technique of early stage, and production time is longer, is made using pixel
The CMOS productive years, production time length, using pixel 6*6um^2 CMOS, total pixel was 752*480 in 2005,
Wafer size is that 9mm*9mm photosensitive areas are 4.5mm*2.9mm, and average power consumption is 70mA@3.3V, and frame number is 60 frames/second, interface
For DVP；From optics aspect, using spherical mirror head mould group, visual field is generally 42 ° or so, F# 6 or so, camera lens and CMOS for point
From formula part；In terms of production, dispensing after lens focusing need to be fixed, increase production process.
There is many deficiencies in the bar code decoding engine to be circulated on existing market, its volume is big, use spherical mirror head mould
Group, it is limited to production requirement so that the volume of module can not reduce；Its poor optical properties, visual field is small, influences to use, and aperture is small,
Need extraneous light filling, power consumption is big；Its compatible poor performance, does not support MIPI interfaces, can only external MIPI bridging chips, be added to
This；Its speed is slow, and the CMOS frame numbers used are low, and reading speed is slow；Its power consumption is high, and the CMOS power consumptions used are big；Its price is high,
The size of CMOS wafer is big, and cost is higher, and the decoding chip used is without MIPI interfaces, it is necessary to external connection；Its life cycle
Uncontrollable, CMOS is the product of early stage, and production time is longer, is easier to be eliminated and influences follow-up production；Its low production efficiency,
Camera lens is fixed again after first being focused with CMOS, and the requirement to production environment is high, and the error being artificially introduced is big, and production efficiency is relatively low.
The content of the invention
It is an object of the invention to provide it is a kind of it is simple in construction, possess MIPI interfaces, image quality is high, and small volume is used for
Obtain the bar code reading engine of view data.
In order to solve the above-mentioned technical problem present invention employs following technical scheme, there is provided one kind is used to obtain view data
Bar code reading engine, including image-forming assembly, MIPI bridging chips, decoding chip, to aiming at light source, lighting source, second carry
Plate and input/output module；The image-forming assembly, MIPI bridging chips, aiming light source, lighting source electrically connect with decoding chip,
Input/output module communicates to connect with decoding chip, the input/output module and PERCOM peripheral communication, transmission of control signals to decoding
Chip；The image-forming assembly is integrally formed, including integrated a global electronic shutter image sensor array and lens；Image-forming assembly
Also include the first support plate, the interior pedestal for setting a through hole, in the through hole of pedestal, integrated global electronic shutter image passes lens packages
Sensor array is fixed on the first support plate, and pedestal is carried on the first support plate and encapsulates integrated image sensor array；
Image-forming assembly is fixed on the second support plate front, and at least one aiming light source is arranged in imaging group with an at least lighting source
Around part, the both sides symmetry arrangement of the image-forming assembly, which has, aims at light source and lighting source；Decoding is fixed at the back side of second support plate
Chip；MIPI bridging chips, input/output module are fixed on the front or the back side of the second support plate.
Wherein, a metallic support, the outside of pedestal is socketed on, and image-forming assembly is fixed on the second support plate.
Wherein, image-forming assembly is connected with the second support plate by board to board connector.
Wherein, an at least lighting source is located at the homonymy or heteropleural of image-forming assembly with least one aiming light source.
Wherein, the wavelength of the lighting source is 380-760nm.
Wherein, the angle of divergence for aiming at light source is equal to greatly 15 °.
Wherein, first support plate, the second support plate are flexible PCB or hard circuit board.
Wherein, at least one lens include：Positive lens combined with negative lens, double glued microscope groups are closed, positive lens with it is double
Balsaming lens combination, double glued mirrors are combined with positive lens or two positive lens combine with negative lens.
In order to solve the above-mentioned technical problem, the present invention also adopts the following technical scheme that, there is provided one kind is used to obtain image
The bar code reading engine of data, including image-forming module, MIPI interfaces, decoder module, at least one aiming light source, at least an illumination light
Source and triggers circuit；Image-forming module includes：Lens group, receive the light reflected by target area；Integrated global electronic shutter figure
As sensor array, the light of lens group reflection is received, transmits image pixel to MIPI interfaces；Image-forming module one into
Type, including integrated a global electronic shutter image sensor array and lens；Image-forming module also includes the first support plate, interior to set one logical
The pedestal in hole, for lens packages in the through hole of pedestal, integrated global electronic shutter image sensor array is fixed on the first support plate
On, pedestal is carried on the first support plate and encapsulates integrated image sensor array；Image-forming module is fixed on the second support plate front, extremely
Lack an aiming light source and at least a lighting source is arranged in around image-forming assembly, the both sides symmetry arrangement of the image-forming assembly is taken aim at
Quasi-optical source and lighting source；Decoding chip is fixed at the back side of second support plate；Triggers circuit communicates to connect with decoder module, is imaged mould
Block, aiming light source, lighting source electrically connect with decoder module.
Wherein, the triggers circuit includes control button and control circuit, and the control button connects control circuit, described
Control circuit electrically connects with image-forming module, aiming light source, lighting source, decoder module.
The beneficial effects of the invention are as follows：
The structure of one, bar code reading engine as an entirety, image-forming assembly integrated design is reduced into bar code and known
The overall volume of read engine；
Secondly, using MIPI bridging chips, the signal that image-forming assembly exports is exported after MIPI bridging chips, reduced
The compatibility issue of whole bar code reading engine simultaneously simplifies design, had both increased bandwidth, has improved performance, at the same and can reduce into
Sheet, complexity, power consumption and EMI；
Thirdly, using integrated global electronic shutter image sensor array, can be caught within the same time for exposure multiple
Image pixel, make image quality higher；
Four, each part of bar code reading engine passes through meticulous layout designs, can reduce space to greatest extent
Occupy, reduce the volume of the engine.
Brief description of the drawings
Fig. 1 show the internal structure schematic diagram of the image-forming assembly of the present invention；
Fig. 2 show the embodiment structural representation for being used to obtain the bar code reading engine of view data of the present invention
Figure；
Fig. 3 show another embodiment structural representation for being used to obtain the bar code reading engine of view data of the present invention
Figure；Wherein, A is front view, and B is rear view；
Fig. 4 show another embodiment structural representation for being used to obtain the bar code reading engine of view data of the present invention
Figure；Wherein, C is front view, and D is rear view；
Fig. 5 show the structured flowchart for being used to obtain the bar code reading engine of view data of the present invention.
Label declaration：
The support plate 203 of 1 image-forming assembly of metallic support, 2 lens, 201 pedestal 202 first integrates global electronic shutter image
The board to board connector 3 of sensor array 204 aims at the input/output module 7 of 45 second support plate of lighting source of light source 6 and decoded
The MIPI bridging chips 9 of chip 8
Embodiment
To describe the technology contents of the present invention, construction feature, the objects and the effects in detail, below in conjunction with embodiment
And accompanying drawing is coordinated to be explained in detail.
The invention discloses a kind of bar code reading engine for being used to obtain view data, including image-forming assembly 2, light source is aimed at
4th, lighting source 5 electrically connects with decoding chip 8, and input/output module 7 communicates to connect with decoding chip, the input/output module
7 and PERCOM peripheral communication, decoding chip be connected with image-forming assembly by MIPI bridging chips.
As shown in fig.1, the image-forming assembly 2 is integrally formed, including an integrated global electronic shutter imaging sensor battle array
Row 204 and lens 201；Image-forming assembly 2 also includes the first support plate 203, at least interior pedestal 202 for setting a through hole, the envelope of a lens 201
In through hole loaded on pedestal 202, integrated global electronic shutter image sensor array 204 is fixed on the first support plate 203, pedestal
202 are carried on the first support plate 203 and encapsulate integrated image sensor array；The bar code reading engine also includes the second support plate
6, image-forming assembly 2 is fixed on the front of the second support plate 6, and at least one aiming light source 4 is arranged in image-forming assembly with an at least lighting source 5
Around 2；Decoding chip 8 is fixed at the back side of second support plate 6；MIPI bridging chips 9, input/output module 7 are fixed on the second support plate 6
Front or the back side.
In above-mentioned embodiment：
Described input/output module 7 is used for the input of control instruction or the transmission for the data with the external world, and it can be from
The receptions such as switch control module, high in the clouds, barcode scanning software, speech control module will read the finger of bar code from now on, to decoding chip 8 and
Job control instruction is sent, and controls lighting source 5 and aims at light source 4 and start.The input/output module 7 can use FPC connections
Flexible winding displacement or other connecting lines can be used to be attached simultaneously transmission of control signals, image with external equipment for device, FPC connector
Data etc..Control signal is such as received by input/output module 7, control decoding chip opens work so that image-forming assembly 2 obtains
Image simultaneously triggers decoder module and attempts decoding, aims at light source 4 and lighting source 5 and enables, and is illuminated, aims at, light filling etc..
Communicated by MIPI bridging chips 9 with the external world, by the nuclear interface standardizing inside mobile communication equipment so as to subtracting
Few compatibility issue simultaneously simplifies the global design of product, makes the interface of the product can increase bandwidth, improve performance, while again
Cost, complexity, power consumption and EMI, MIPI interface can be reduced and be only connected to the two things of D-PHY or M-PHY when needed
Manage on layer, D-PHY is carried out data transmission using the synchronous differential clocks in 1 pair of source and 1~4 pair of differential data line.Data pass
It is defeated to use DDR modes, i.e., there is data transfer in the lower edges of clock, D-PHY physical layer supports HS (high speed)
With 2 kinds of mode of operations of LP (low power), Low Voltage Differential Signal is used under HS patterns, power consumption is larger, but can transmit very high
Data rate (data rate is 80M~1Gbps)；Single-ended signal is used under LP patterns, data rate is very low (＜ 10Mbps),
But power consumption is also very low accordingly.The combination of 2 kinds of patterns ensure that MIPI buses when needing to transmit mass data (such as image)
Can be with high-speed transfer, and and can enough reduces power consumption when not needing big data quantity transmission；
Described image-forming assembly 2 includes integrated global electronic shutter image sensor array 204 and at least one lens
201, the image-forming assembly 2 can be according to the digitized bar code image of signal generation of incident light, the integrated global electronic shutter image
Sensor array 204 can use the integration modules such as CCD or CMOS, using special integrated global electronic shutter image sensing
Device array 204, its small volume, and can persistently expose multiple images pixel in an exposure cycle, there is provided become apparent from
Image, improve the feasibility of decoding.In a preferred embodiment, described at least one lens 201 may include：Positive lens
Combined with negative lens, double glued microscope groups are closed, positive lens combines with cemented doublet, double glued mirrors combine with positive lens or two just
Lens combine with negative lens.Described image-forming assembly 2 uses integrally formed component, facilitates the production of product, reduces product group
During dress caused by alignment error, manually reposition the defects of inaccurate, the precision of product is more preferable, and performance is more preferably.
Described decoding chip 8 uses PLD, can be run by single ASIC integrated circuits, realize hardware solution
Code, traditional software decoding is different from, traditional decoding process is using software decoding, error correction, graphics process scheduling algorithm, it is necessary to three
Individual integrated circuit.Described 8 decodable code system of decoding chip includes very big to extra small code 128, Codabar, code
93rd, code 11, code 39, UPC, ENC, MSI etc., the type of at least one bar code symbol can be identical or a variety of different bars
The combination of code, specific barcode types may include：The 2D bar code symbols such as PDF417, DataMatrix, QR code, Maxicode, Aztec
Number etc..
The naked eyes visible light spot for aiming at light source 4 and geometry being formed in reflecting surface, the aiming light source 4 can use all
The light that such as feux rouges, green glow naked eyes can be identified significantly.In a preferred embodiment, the angle of divergence for aiming at light source 4
It is big to be equal to 15 °.
Described lighting source 5 can use LED light source, and its wavelength can be 380-750nm, the lighting source of different wave length
5 can meet the needs of different, can be set according to specific service condition.The angle of divergence of lighting source 5 be 120 ° or its
He, the angle of divergence is applied to greatly the big camera of the angle of visual field, is advantageous to cover field range.LED illumination light source 5 can also be that band is poly-
Photosphere cover or without, the LED light source with ball cover has the less angle of divergence, is advantageous to long distance illumination, without ball cover
LED illumination light source 5 is advantageous to the big lighting apparatus of field of view angle.
At least one described aiming light source 4 can be arranged on imaging group with an at least lighting source 5 according to the demand of actual use
The homonymy or heteropleural of part 2, and the quantity for aiming at light source 4 and lighting source 5 can be set as needed.
As shown in fig.2, in the embodiment of the present invention, it is fixed on the front of the second support plate 6 of a strip
Described image-forming assembly 2, have in the both sides symmetry arrangement of image-forming assembly 2 and aim at light source 4 and lighting source 5, second support plate 6
Another termination set input/output module 7；Described decoding chip and MIPI bridging chips are fixed in the back side of second support plate 6
9。
It is as shown in fig.3, being different from above-mentioned embodiment, the fixed described imaging on the front of the second support plate 6
Component 2,2 or more lighting sources 5, the difference of both sides up and down of the image-forming assembly 2 are distributed on the both sides of image-forming assembly
Place 1 or more and aim at light source 4, and described MIPI bridging chips 9 are fixed on to lower section (the second load of image-forming assembly 2
The front of plate 6), the back side of second support plate 6 sets decoding chip and input/output module 7.
As shown in fig.4, setting image-forming assembly 2 on the front of second support plate 6, the both sides of image-forming assembly 2 are symmetrically divided
Cloth lighting source 5, the distribution of both sides up and down of image-forming assembly 2 aim at light source 4, and decoding chip, MIPI are placed in the another side of support plate
Bridging chip 9, and input/output module 7.In order to be arranged to greatest extent using space, described decoding chip,
Input/output module 7 can be arranged on decoding chip and MIPI is bridged by MIPI bridging chips 9 around respective 90 degree of central rotation
The vacant position in centre of chip 9, so as to save space, reduces the volume of whole component to greatest extent.
In a preferred embodiment, the difference of itself and above-mentioned embodiment is a settable metallic support 1, socket
It is fixed in the outside of pedestal 202, and by image-forming assembly 2 on the second support plate 6, image-forming assembly 2 is caused more using metallic support 1
It is firm, and play the purpose of protection image-forming assembly 2.The fixed form of the support plate 6 of metallic support 1 and second can use welding or limit
Mode that position hole is fixed etc..Described metallic support 1 can also set the feature of error-proof structure, convenient installation positioning, prevent from pacifying
Wrongly installed mistake, error-proof structure feature can set raised either depression or breach etc. in described bracket shell 101, such as described convex
The lateral wall of platform 202 is provided with lug, and 1 corresponding position of metallic support is provided with breach, and lug is limited in the breach of metallic support 1
Place.
In another preferred embodiment, the image-forming assembly 2 in above-mentioned embodiment can also pass through with the second support plate 6
Board to board connector 3 is connected, and the interface of board to board connector 3 and image-forming assembly 2 is mutually matched.In practical operation, plate is to plate
The quantity of the pin of connector 3 can be selected 20 or more than 20.
In another preferred embodiment, the first support plate 203 and the second support plate 6 of above-mentioned embodiment can be flexible electrical
Road plate or hard circuit board.Using flexible PCB, its material is slim and graceful, can meet different installation needs；Using rigid circuit
Plate, its stability is more preferably.
The present invention also provide it is a kind of be used to obtaining the bar code reading engine of view data, including image-forming module, MIPI interfaces,
Decoder module, aiming light source 4, lighting source 5 and triggers circuit, the signal of MIPI interface image-forming modules are simultaneously transferred to decoding
Module；Triggers circuit communicates to connect with decoder module, and image-forming module, aiming light source, lighting source electrically connect with decoder module.
In the embodiment, described image-forming assembly 2 is used to catch view data, such as catches paper document, packaging body case, machine table
The data symbols such as the one-dimension code that adheres to or print on face, Quick Response Code.The mode of the seizure can be continuous capturing or
It is disconnected to catch.The image-forming assembly 2 may include the lens group for receiving the light by target area reflection, and an integrated global electricity
The light that sub- shutter image sensor array 204 receives lens group reflection transmits image pixel to MIPI interfaces, and by decoding mould
Block receives and carries out trial decoding.The lens group of described image-forming assembly 2 and integrated global electronic shutter image sensor array
204 can use the technique of integrated molding, so that the quality of product is more preferable, performance is more preferable, and reduces whole part
Volume.The integrated global electronic shutter image sensor array 204 can expose multiple images picture simultaneously in same exposure cycle
Element so that it can gather the bar code image become apparent from；The integrated global electronic shutter image sensor array 204 can use
CCD or CMOS etc..The signal of MIPI interface image-forming modules is simultaneously transferred to decoder module, is connected and decoded by MIPI interfaces
Module and image-forming module, the communication function of the bar code reading engine can be extended, make the hardware compatibility performance more preferable.MIPI interfaces
Can use special MIPI bridging chips 9 or other possess the interface equipments of MIPI functions.
In present embodiment, decoder module can use any one following mode to realize, including but not limited to special collection
Into circuit, special decoding chip, fpga chip, then having can also use software to decode module, and preferable software decoding module can
The module formed including the modules such as microprocessor, digital signal processing chip and micro-control unit and its peripheral circuit set.
At least one aims at around light source 4 and the arrangement of an at least lighting source 5 and decoder module, aims at light source 4 in target
Region forms the naked eyes visible light spot of geometry, and the aiming light source 4 can use the naked eyes such as feux rouges, green glow significantly to identify
Light.Also lighting source 5 can be arranged in the surrounding of image-forming module, lighting source 5 can be used SMD or pinned, can be
LED etc..The big I of the angle of divergence of lighting source 5 is set according to the demand of actual use, to cover field range as optimal choosing
Select.Preferable lighting source 5 can also be that, with optically focused ball cover or without optically focused ball cover, the LED light source with ball cover has smaller
The angle of divergence, be advantageous to long distance illumination, be advantageous to the big lighting apparatus of field of view angle without the lighting source 5 of ball cover.
The described bar code reading engine for being used to obtain view data also includes a triggers circuit, and triggers circuit is with that can pass through
Wired or radio connection electrically connects with decoder module.Triggers circuit is used to control decoder module to work, decoder module control
Module continuous exposure multiple images pixel within an exposure period is formed as, and image pixel is sent to by MIPI interfaces
Decoder module carries out decoding process, and decoder module is additionally operable to control and aims at light source 4 and the startup work of lighting source 5.It is preferred one
Embodiment in, the triggers circuit includes control button and control circuit, and the control button connects control circuit, described
Control circuit electrically connects with image-forming module, aiming light source 4, lighting source 5, decoder module.
Above described is only the embodiment of the invention for being used to obtain the bar code reading engine of view data, not thereby limits this
The scope of the claims of invention, every equivalent structure made using description of the invention and accompanying drawing content or equivalent flow conversion, or
Other related technical areas directly or indirectly are used in, are included within the scope of the present invention.
Claims (10)
- A kind of 1. bar code reading engine for being used to obtain view data, it is characterised in that：Including image-forming assembly, MIPI bridge joint cores Piece, decoding chip, extremely aim at light source, lighting source, the second support plate and input/output module；The image-forming assembly, MIPI bridge joints Chip, aiming light source, lighting source electrically connect with decoding chip, and input/output module communicates to connect with decoding chip, described defeated Enter output module and PERCOM peripheral communication, transmission of control signals to decoding chip；The image-forming assembly is integrally formed, including integrated a global electronic shutter image sensor array and lens；Image-forming assembly Also include the first support plate, the interior pedestal for setting a through hole, in the through hole of pedestal, integrated global electronic shutter image passes lens packages Sensor array is fixed on the first support plate, and pedestal is carried on the first support plate and encapsulates integrated image sensor array；Image-forming assembly is fixed on the second support plate front, and at least one aiming light source is arranged in image-forming assembly week with an at least lighting source Enclose, the both sides symmetry arrangement of the image-forming assembly, which has, aims at light source and lighting source；Decoding chip is fixed at the back side of second support plate；MIPI bridging chips, input/output module are fixed on the front or the back side of the second support plate.
- 2. the bar code reading engine according to claim 1 for being used to obtain view data, it is characterised in that：One metal branch Frame, the outside of pedestal is socketed on, and image-forming assembly is fixed on the second support plate.
- 3. the bar code reading engine according to claim 2 for being used to obtain view data, it is characterised in that：Image-forming assembly is connected with the second support plate by board to board connector.
- 4. the bar code reading engine according to claim 3 for being used to obtain view data, it is characterised in that：Described at least one Lighting source is located at the homonymy or heteropleural of image-forming assembly with least one aiming light source.
- 5. the bar code reading engine for being used to obtain view data according to claim any one of 1-4, it is characterised in that：Institute The wavelength for stating lighting source is 380-760nm.
- 6. the bar code reading engine for being used to obtain view data according to claim any one of 1-4, it is characterised in that：Institute The angle of divergence for aiming at light source is stated greatly equal to 15 °.
- 7. the bar code reading engine for being used to obtain view data according to claim any one of 1-4, it is characterised in that：Institute State the first support plate, the second support plate is flexible PCB or hard circuit board.
- 8. the bar code reading engine according to claim 5 for being used to obtain view data, it is characterised in that：Described at least one Individual lens include：Positive lens combined with negative lens, double glued microscope groups are closed, positive lens combine with cemented doublet, double glued mirrors and Positive lens combines or two positive lens combine with negative lens.
- A kind of 9. bar code reading engine for being used to obtain view data, it is characterised in that：Including image-forming module, MIPI interfaces, solution Code module, aim at light source, lighting source and triggers circuit；Image-forming module is integrally formed, including：Lens group, receive the light reflected by target area；Integrated global electronic shutter figure As sensor array, the light of lens group reflection is received, transmits image pixel to MIPI interfaces；Image-forming module one into Type, including integrated a global electronic shutter image sensor array and lens；Image-forming module also includes the first support plate, interior to set one logical The pedestal in hole, for lens packages in the through hole of pedestal, integrated global electronic shutter image sensor array is fixed on the first support plate On, pedestal is carried on the first support plate and encapsulates integrated image sensor array；Image-forming module is fixed on the second support plate front, extremely Lack an aiming light source and at least a lighting source is arranged in around image-forming assembly, the both sides symmetry arrangement of the image-forming assembly is taken aim at Quasi-optical source and lighting source；Decoding chip is fixed at the back side of second support plate；MIPI interfaces, receive the signal of image-forming module and be transferred to decoder module；Triggers circuit communicates to connect with decoder module, and image-forming module, aiming light source, lighting source electrically connect with decoder module.
- 10. the bar code reading engine according to claim 9 for being used to obtain view data, it is characterised in that：The triggering Circuit includes control button and control circuit, and the control button connects control circuit, the control circuit and image-forming module, takes aim at Quasi-optical source, lighting source, decoder module electrical connection.
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| CN106355119B (en) * | 2016-08-31 | 2019-02-01 | 福建新大陆自动识别技术有限公司 | A kind of bar code reading engine showing wick shape as point of aim mark |
| CN107133542A (en) * | 2017-04-07 | 2017-09-05 | 上海汇尔通信息技术有限公司 | A kind of two-dimensional code scanning head |
| CN111581997B (en) * | 2020-04-03 | 2022-04-19 | 福建新大陆自动识别技术有限公司 | Small-size bar code decoding device |
| CN113076769A (en) * | 2021-06-07 | 2021-07-06 | 南京码道科技有限公司 | Multifunctional bar code reading engine for acquiring image data |
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| CN102324013A (en) * | 2005-03-11 | 2012-01-18 | 手持产品公司 | Bar code reading device with global electronic shutter control |
| CN103699861A (en) * | 2012-09-27 | 2014-04-02 | 霍尼韦尔国际公司 | Coded message reading terminal with imaging components |
| CN103049727A (en) * | 2012-12-11 | 2013-04-17 | 福建新大陆自动识别技术有限公司 | Bar code recognizing, reading and decoding module and handheld electronic device |
| CN204302991U (en) * | 2014-12-24 | 2015-04-29 | 希姆通信息技术（上海）有限公司 | The scan-data conversion equipment of Quick Response Code and mobile terminal |
| CN205038658U (en) * | 2015-05-21 | 2016-02-17 | 福建新大陆电脑股份有限公司 | A bar code recognition engine for obtaining image data |
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| CN104966039A (en) | 2015-10-07 |
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