CN204856516U - A bar code recognition engine for obtaining image data - Google Patents
A bar code recognition engine for obtaining image data Download PDFInfo
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- CN204856516U CN204856516U CN201520330075.6U CN201520330075U CN204856516U CN 204856516 U CN204856516 U CN 204856516U CN 201520330075 U CN201520330075 U CN 201520330075U CN 204856516 U CN204856516 U CN 204856516U
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Abstract
The utility model relates to a bar code recognition engine for obtaining image data, including the formation of image subassembly, MTPT decoder chips, at least one aim at light source, an at least source of illumination and input and output modules, formation of image subassembly, MTPT decoder chips, at least one aim at light source, an at least source of illumination and input and output modules communication connection, input and output modules and outside communication, the subassembly integrated design that will form images has reduced the whole volume of bar code recognition engine, adopt MTPT decoder chips, solved the compatibility problem of whole bar code recognition engine and simplified the design, both increased the bandwidth, improved the performance, simultaneously again can reduce cost, complexity, consumption and EMI, adopt integrated overall electronic shutter image sensor array, can catch a plurality of image pixels in same exposure time, make the image quality higher, in addition, each part of bar code recognition engine is through meticulous overall arrangement design, can furthest reduce occupying of space, reduce the volume of this engine.
Description
Technical field
The utility model belongs to and automatically identifies industry, relates to a kind of bar code reading engine for obtaining view data.
Background technology
Two-dimensional bar code is the chequered with black and white matrix area distributed in plane (on two-dimensional directional) according to certain rule with specific geometric figure, and this matrix area is in order to record symbol information.Quick Response Code can be divided into stack Quick Response Code and matrix two-dimensional code bar code.Stack Quick Response Code forms by the bar code of multirow cutting back is stacking; Matrix two-dimensional barcode forms with a matrix type, matrix respective element position represents binary one with " point ", represents binary zero with sky, rearranges data code by point and sky.In daily life and commercial Application, the use of bar code is more and more extensive, such as: the user demand to bar code of retail trade, logistic industry, financial industry is increasing.
Developing rapidly the requirement of bar code reading taking equipment of barcode technology is also more and more higher, and bar code reads the important component part of engine as bar code reading, and the bar code decoding engine volume circulated in existing market is large, poor compatibility, production efficiency are low, and cost is high.From electronic circuit aspect, the CMOS used produces as early stage technique, production time is longer, and use the CMOS productive year of pixel use in 2005, production time is long, use the CMOS of pixel 6*6um^2, total pixel is 752*480, and wafer size is 9mm*9mm photosensitive area is 4.5mm*2.9mm, and average power consumption is 70mA3.3V, frame number is 60 frames/second, and interface is DVP; From optics aspect, use spherical mirror head mould group, visual field is generally about 42 °, and the numerical value of aperture F# is about 6, and camera lens and CMOS are detachable components; From production aspect, need fix putting after lens focusing glue, increasing production process.
There is many-sided deficiency in the bar code decoding engine circulated in existing market, its volume is large, uses spherical mirror head mould group, be limited to production requirement, the volume of module can not be reduced; Its poor optical properties, visual field is little, and impact uses, and aperture is little, and need extraneous light filling, power consumption is large; Its compatible poor performance, does not support MIPI interface, can only external MIPI bridging chip, increases cost; Its speed is slow, and the CMOS frame number of use is low, and reading speed is slow; Its power consumption is high, and the CMOS power consumption of use is large; Its price is high, and the size of CMOS wafer is large, and cost is higher, and the decoding chip of use is not with MIPI interface, needs external connection; Its life cycle is uncontrollable, and CMOS is early stage product, and production time is longer, is more easily eliminated and affects follow-up production; Its production efficiency is low, fixes after camera lens and CMOS first focus again, high to the requirement of production environment, and manually-injected error is large, and production efficiency is lower.
Utility model content
It is good that the purpose of this utility model is to provide simple, the compatible performance of a kind of structure, and image quality is high, the bar code reading engine for obtaining view data that volume is little.
Have employed following technical scheme to solve the problems of the technologies described above the utility model, providing
For obtaining a bar code reading engine for view data, it is characterized in that: comprise image-forming assembly, MIPI decoding chip, aiming light source, lighting source and input/output module; The decoding chip of described image-forming assembly, configuration MIPI agreement, the communication connection of aiming light source, lighting source, the second support plate and input/output module, described input/output module and PERCOM peripheral communication; Described image-forming assembly is one-body molded, comprise an integrated global electronic shutter image sensor array and lens, the first support plate, in establish the pedestal of a through hole, lens packages is in the through hole of pedestal, integrated global electronic shutter image sensor array is fixed on the first support plate, and pedestal to be carried on the first support plate and encapsulation and integration image sensor array; Image-forming assembly is fixed on the second support plate front, aims at electric light source and lighting light source arrangement around image-forming assembly; The decoding chip of the back side fixed configurations MIPI agreement of the second support plate;
Input/output module is fixed on front or the back side of the second support plate.
Wherein, a metal support, is socketed on the outside of pedestal, and is fixed on the second support plate by image-forming assembly.
Wherein, image-forming assembly is connected by board to board connector with the second support plate.
Wherein, described lighting source and aiming light source are positioned at homonymy or the heteropleural of image-forming assembly.
Wherein, the wavelength of described lighting source is 380-760nm.
Wherein, the angle of divergence of described aiming light source equals greatly 15 °.
Wherein, described first support plate, the second support plate are flexible PCB or hard circuit board.
Wherein, described lens are lens combination, comprising: positive lens and negative lens combine, two gummed mirror combines, positive lens and cemented doublet combines, two gummed mirror and positive lens combines or two positive lenss and negative lens combine.
In order to solve the problems of the technologies described above, the utility model also adopts following technical scheme, provides a kind of bar code reading engine for obtaining view data, comprises image-forming module, the decoder module of configuration MIPI agreement, aiming light source, lighting source and trigger module; Image-forming module is one-body molded, comprising: lens group, receives the light reflected by target area; Integrated global electronic shutter image sensor array, receives the light of lens group reflection, transmits image pixel to decoder module; Trigger module and decoder module communicate to connect, decoder module with image-forming module, aim at light source, lighting source is electrically connected.
Wherein, described trigger module comprises and controls button and control module, described control button link control module, described control module and image-forming module, aim at light source, lighting source, decoder module be electrically connected.
The beneficial effects of the utility model are: bar code reading engine structure integrally, reduces the overall volume of bar code reading engine by image-forming assembly integrated design; Adopt and be configured with the decoding chip of MIPI agreement, solve the compatibility issue of whole bar code reading engine and simplified design, both increased bandwidth, improved performance, and can reduce costs again simultaneously, complexity, power consumption and EMI; Adopt integrated global electronic shutter image sensor array, multiple image pixel can be caught within the same time shutter, make image quality higher; In addition, each parts of bar code reading engine, through meticulous topological design, can reduce occupying of space to greatest extent, reduce the volume of this engine.
Accompanying drawing explanation
Figure 1 shows that the inner structure schematic diagram of image-forming assembly of the present utility model;
Figure 2 shows that an embodiment structural representation of the bar code reading engine for obtaining view data of the present utility model;
Figure 3 shows that another embodiment structural representation of the bar code reading engine for obtaining view data of the present utility model;
Figure 4 shows that another embodiment structural representation of the bar code reading engine for obtaining view data of the present utility model;
Figure 5 shows that the structured flowchart of the bar code reading engine for obtaining view data of the present utility model.
Label declaration:
Metal support 1 image-forming assembly 2 lens 201 pedestal 202 first support plate 203 integrated global electronic shutter image sensor array 204 board to board connector 3 aims at light source 4 lighting source 5 second support plate 6 input/output module 7MIPI decoding chip 8
Embodiment
By describing technology contents of the present utility model, structural attitude in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
The utility model discloses a kind of bar code reading engine for obtaining view data, comprising image-forming assembly 2, the decoding chip 8 of configuration MIPI agreement, aiming light source 4, lighting source 5 and input/output module 7; Described image-forming assembly 2, MIPI decoding chip 8, aiming light source 4, lighting source 5 and input/output module 7 communicate to connect, described input/output module 7 and PERCOM peripheral communication;
Consult shown in Fig. 1, described image-forming assembly 2 is one-body molded, comprise an integrated global electronic shutter image sensor array 204 and lens 201, first support plate 203, in establish the pedestal 202 of a through hole, lens 201 are packaged in the through hole of pedestal 202, integrated global electronic shutter image sensor array 204 is fixed on the first support plate 203, and pedestal 202 to be carried on the first support plate 203 and to seal integrated image sensor array; The base station of described pedestal 201 is square structure, and boss 202 is cylindrical structural, and the base station edge of pedestal 201 is provided with threaded hole, and pedestal 201 is fixed on second circuit board by threaded hole.Adopting the mode be screwed makes whole product can be more firm, and each device is not easy to lose, and anti-seismic performance is good, extends the life-span of product.
Described bar code reading engine also comprises the second support plate 6, and image-forming assembly 2 is fixed on the second support plate 6 front, and it can adopt board to board connector 3 to be connected with the second support plate 6, and aiming light source 4 and lighting source 5 are arranged in around image-forming assembly 2; Decoding chip 8 is fixed at the back side of the second support plate 6; Input/output module 7 is fixed on front or the back side of the second support plate 6.
In above-mentioned embodiment:
Described input/output module 7 is for the input of steering order or for carrying out data transmission with the external world, after it can receive the instruction of bar code reading from control modules such as switch, button, voice, send job control instruction to the decoding chip 8 and image-forming assembly 2 that configure MIPI agreement, and control lighting source 5 and aim at light source 4 to start.As passed through input/output module 7 reception control signal, control image-forming assembly 2 and obtain image pixel and trigger decoding chip 8 trial decoding, obtain control signal by input/output module 7, control aiming light source 4 and lighting source 5 are enabled and are carried out light filling, illumination etc.This input/output module 7 can adopt FPC connector, and FPC connector can use flexible winding displacement or other connecting lines to carry out being connected and transmission of control signals, view data etc. with external unit.Described input/output module also can adopt wired or wireless communication interface etc., as USB interface, blue tooth interface, WIFI interface etc.
Described image-forming assembly 2 comprises integrated global electronic shutter image sensor array 204 and at least one lens 201, this image-forming assembly 2 can generate digitized bar code image according to the light signal of incidence, this integrated global electronic shutter image sensor array 204 can adopt the integration modules such as CCD or CMOS, adopt special integrated global electronic shutter image sensor array 204 (as the MT9M021 of Aptina, MT9M031), its volume is little, and can continue to expose multiple image pixel in an exposure cycle, image is more clearly provided, improve the feasibility of decoding.One preferred embodiment in, described lens 201 are the combination of lens, comprising: positive lens and negative lens combine, two gummed mirror combines, positive lens and cemented doublet combines, two gummed mirror and positive lens combines or two positive lenss and negative lens combine.Described image-forming assembly 2 adopts integrated component, facilitates the production of product, the alignment error reducing to cause in assembling product process, manually reorientates the defects such as inaccurate, and the precision of product is better, and performance is better.
The decoding chip 8 of configuration MIPI agreement adopts Programmable Logic Device, this MIPI decoding chip 8 is equipped with MIPI agreement, in the inside of decoding chip, integrated MIPI function does not need to adopt MIPI chip to carry out the switching of signal in addition, save device and the volume of whole bar code reading engine can be made to reduce, having met existing commercially people to the demand of bar code recognizing apparatus miniaturization.After decoding chip possesses MIPI function, the nuclear interface standardizing of mobile communication equipment inside is reduced compatibility issue and simplifies the global design of product, make the interface of this product can increase bandwidth, improve performance, can reduce costs again simultaneously, complexity, power consumption and EMI, only be connected on these two Physical layers of D-PHY or M-PHY when needed, the differential clocks that D-PHY adopts the 1 pair of source synchronous and 1 ~ 4 pair of differential data line are to carry out data transmission.Data transmission adopts DDR mode, namely data are had to transmit at the lower edges of clock, the Physical layer of D-PHY supports HS (highspeed) and LP (lowpower) 2 kinds of mode of operations, Low Voltage Differential Signal is adopted under HS pattern, power consumption is comparatively large, but can transmit very high data rate (data rate is 80M ~ 1Gbps); Adopt single-ended signal under LP pattern, data rate very low (< 10Mbps), but corresponding power consumption is also very low.The combination of 2 kinds of patterns ensure that MIPI bus can high-speed transfer when needs transferring large number of data (as image), and can reduce power consumption when not needing big data quantity to transmit.MIPI decoding chip 8 can be run by single ASIC integrated circuit, realizes hardware decode, is different from traditional software decode, and traditional decode procedure adopts software decode, error correction, graphics process scheduling algorithm, needs three integrated circuit.The decodable code system of described decoding chip comprises very large to extra small code 128, Codabar, code 93, code 11, code 39, UPC, ENC, MSI etc., the type of at least one bar code symbol can be combination that is identical or multiple different bar code, concrete barcode types can comprise: PDF417, the 2D such as DataMatrix, QR code, Maxicode, Aztec bar code symbol etc.
The reflecting surface of described aiming light source 4 in target area forms the naked eyes visible light spot of geometric configuration, the light that this aiming light source 4 can adopt the such as naked eyes such as ruddiness, green glow significantly to identify.One preferred embodiment in, the angle of divergence of described aiming light source 4 equals greatly 15 °.
Lighting source 5 can adopt LED light source, can adopt LED that is SMD or pinned.Application lighting source 5 carries out light filling and illumination, and the wavelength of lighting source 5 can be 380-750nm, and the lighting source 5 of different wave length can meet the different needs, and can set according to concrete service condition.The angle of divergence of lighting source 5 be 120 ° or other, the angle of divergence is applicable to greatly the large camera of field angle, is conducive to covering field range.LED illumination light source 5 can also be with optically focused ball cover or not be with, and the LED light source of band ball cover has the less angle of divergence, and be conducive to long distance illumination, the LED illumination light source 5 not with ball cover is conducive to the large light fixture of field of view angle.
At least one aiming light source 4 can be arranged on homonymy or the heteropleural of image-forming assembly 2 with at least one lighting source 5 according to the actual demand used, and can set the quantity aiming at light source 4 and lighting source 5 as required.Consult shown in Fig. 2, in an embodiment of the present utility model, fixing described image-forming assembly 2 on the second support plate 6 front of a strip, be placed with in the symmetria bilateralis of image-forming assembly 2 and aim at light source 4 and lighting source 5, another termination of described second support plate 6 arranges input/output module 7; Described MIPI decoding chip 8 is fixed at the back side of the second support plate 6.Consult shown in Fig. 3, be different from above-mentioned embodiment to be, fixing described image-forming assembly 2 on the front of the second support plate 6, distribute on the both sides of photographing module 2 or more lighting source 5, the both sides up and down of described image-forming assembly 2 are placed 1 or more respectively and are aimed at light source 4, and described MIPI decoding chip 8 is fixed on the below (front of the second support plate 6) of image-forming assembly 2, the back side of described second support plate 6 is arranged and input/output module 7.Consult shown in Fig. 4, the front of described second support plate 6 arranges image-forming assembly 2, the symmetria bilateralis distribution of illumination light source 5 of image-forming assembly 2, the distribution of both sides up and down of image-forming assembly 2 aims at light source 4, places MIPI decoding chip 8 and input/output module 7 at the another side of support plate.Concrete, in order to usage space is arranged to greatest extent, described MIPI decoding chip 8 can according to the area of the second support plate 6 around the certain angle of respective central rotation 90, as rotated 45 °, 90 ° etc., rational to input/output module 7 and MIPI decoding chip 8 space layout can be saved space, reduce the volume of whole component to greatest extent.And make full use of front and the back side of the second support plate 6, whole component is reduced further.
In another optional embodiment; the difference of itself and above-mentioned embodiment is to arrange a metal support 1; be socketed on the outside of pedestal 202; and image-forming assembly 2 entirety is fixed on the second support plate 6; adopt metal support 1 to make image-forming assembly 2 more firm, and play the object of protection image-forming assembly 2.Its good heat conductivity of the support of metal material, can ensure the working environment of image-forming assembly 2, and metal support 1 and the fixed form of the second support plate 6 can adopt welds or mode etc. that spacing hole is fixing.Stent foot can directly be fixedly welded on the second support plate 6, or arranges corresponding pilot hole to locate on the second support plate 6.As shown in Figure 4, described bracket shell top is provided with through hole, and the boss 202 for pedestal passes.Described metal support 1 can also arrange the feature of error-proof structure, conveniently location is installed, prevent setup error, error-proof structure feature can arrange projection or depression or breach etc. at described bracket shell, as as described in the lateral wall of boss 202 be provided with lug, the corresponding position of metal support 1 is provided with breach, and lug is limited in the indentation, there of metal support 1.
Another preferred embodiment in, image-forming assembly 2 in above-mentioned embodiment can be connected by board to board connector 3 with the second support plate 6, board to board connector 3 mates mutually with the interface of image-forming assembly 2, realize image-forming assembly 2 by board to board connector 3 and carry out signal and communication with the decoding chip 8 of configuration MIPI agreement, communication performance is good, distorted signals is little, can improve the transmission quality of view data.In practical operation, the selectable number of board to board connector 3 pin is with 20 or be greater than 20.
Another preferred embodiment in, the first support plate 203 of above-mentioned embodiment and the second support plate 6 can be flexible PCB or hard circuit board.Adopt flexible PCB, its material is slim and graceful, can meet different installation needs; Adopt hard circuit board, its stability is better.
The utility model also provides a kind of bar code reading engine for obtaining view data, comprise image-forming module, the decoder module of configuration MIPI agreement, aiming light source 4, lighting source 5 and trigger module, image-forming module is one-body molded, comprising: lens group, receives the light reflected by target area; Integrated global electronic shutter image sensor array, receives the light of lens group reflection, transmits image pixel to decoder module; Trigger module and decoder module communicate to connect, decoder module with image-forming module, aim at light source, lighting source is electrically connected.Control decoder module by trigger module sending controling instruction and carry out startup work, control aims at light source, lighting source starts illumination or aiming work, control image-forming module receiving optical signals and generate electric signal, and be transferred to decoder module carry out trial decoding, can be communicated by wired or wireless mode between trigger module with decoder module.In this embodiment, described image-forming assembly 2 for catching view data, as caught the data symbol such as one-dimension code, Quick Response Code that on paper document, package body shell, machine surface, institute adheres to or prints.The mode of this seizure can be continuous capturing or high shock capturing.This image-forming assembly 2 can comprise the lens group for receiving the light reflected by target area, and an integrated global electronic shutter image sensor array 204 transmits image pixel to decoder module for the light receiving lens group reflection.The lens group of described image-forming assembly 2 and integrated global electronic shutter image sensor array 204 can adopt the technique of integrated molding, thus make the quality of product better, and performance is better, and reduces the volume of whole parts.This integrated global electronic shutter image sensor array 204 can adopt MT9M021, MT9M031 of Aptina, can expose multiple image pixel in same exposure cycle simultaneously, makes it can gather bar code image more clearly; This integrated global electronic shutter image sensor array 204 also can adopt CCD or CMOS etc.This bar code reading engine decodes module being used for obtaining view data possesses the function of MIPI, and applying MIP I communications protocol can expand the communication function of this bar code reading engine, makes this hardware compatibility performance better.In present embodiment, the decoder module of configuration MIPI agreement can adopt any one mode following to realize, and includes but not limited to possess the special integrated circuit of MIPI function, module etc. that special decoding chip, fpga chip can also adopt the modules such as microprocessor, digital signal processing chip and micro-control unit and its peripheral circuit set.
At least one aiming light source 4 is arranged in around MIPI decoder module with at least one lighting source 5, aims at light source 4 forms geometric configuration naked eyes visible light spot in target area, the light that this aiming light source 4 can adopt the such as naked eyes such as ruddiness, green glow significantly to identify.Also can arrange lighting source 5 in the surrounding of image-forming module, lighting source 5 can use SMD or pinned, can be LED etc.The large I of the angle of divergence of lighting source 5 complies with the actual requirements set used, to cover field range for optimal selection.Preferred lighting source 5 can also be band optically focused ball cover or not be with optically focused ball cover, and the LED light source of band ball cover has the less angle of divergence, and be conducive to long distance illumination, the lighting source 5 not with ball cover is conducive to the large light fixture of field of view angle.
As mentioned above, trigger module is for controlling the work of decoder module and image-forming module, make image-forming module can within exposure period the multiple image pixel of continuous exposure, and image pixel is sent to MIPI decoder module and carries out decoding process, trigger module also for control to aim at light source 4 and lighting source 5 start carry out aiming at, light filling, illumination etc.One preferred embodiment in, described trigger module comprises and controls button and control module, described control button link control module, described control module and image-forming module, aim at light source 4, lighting source 5, MIPI decoder module be electrically connected.
The utility model is only for obtaining the embodiment of the bar code reading engine of view data described in upper; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model instructions and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. for obtaining a bar code reading engine for view data, it is characterized in that: comprise image-forming assembly, MIPI decoding chip, aiming light source, lighting source and input/output module; The decoding chip of described image-forming assembly, configuration MIPI agreement, the communication connection of aiming light source, lighting source, the second support plate and input/output module, described input/output module and PERCOM peripheral communication;
Wherein:
Described image-forming assembly is one-body molded, comprise an integrated global electronic shutter image sensor array and lens, the first support plate, in establish the pedestal of a through hole, lens packages is in the through hole of pedestal, integrated global electronic shutter image sensor array is fixed on the first support plate, and pedestal to be carried on the first support plate and encapsulation and integration image sensor array;
Image-forming assembly is fixed on the second support plate front, aims at electric light source and lighting light source arrangement around image-forming assembly; The decoding chip of the back side fixed configurations MIPI agreement of the second support plate;
Input/output module is fixed on front or the back side of the second support plate.
2. the bar code reading engine for obtaining view data according to claim 1, is characterized in that: a metal support, is socketed on the outside of pedestal, and be fixed on the second support plate by image-forming assembly.
3. the bar code for obtaining view data according to claim 2
recognitionengine, is characterized in that: image-forming assembly is connected by board to board connector with the second support plate.
4. the bar code reading engine for obtaining view data according to claim 3, is characterized in that: described lighting source is positioned at homonymy or the heteropleural of image-forming assembly with aiming at light source.
5. the bar code reading engine for obtaining view data according to claim 1-4 any one, is characterized in that: the wavelength of described lighting source is 380-760nm.
6. the bar code reading engine for obtaining view data according to claim 1-4 any one, is characterized in that: the angle of divergence of described aiming light source equals greatly 15 °.
7. the bar code reading engine for obtaining view data according to claim 1-4 any one, is characterized in that: described first support plate, the second support plate are flexible PCB or hard circuit board.
8. the bar code reading engine for obtaining view data according to claim 5, it is characterized in that: described lens are lens combination, comprising: positive lens and negative lens combine, two gummed mirror combines, positive lens and cemented doublet combines, two gummed mirror and positive lens combines or two positive lenss and negative lens combine.
9. for obtaining a bar code reading engine for view data, it is characterized in that: comprise image-forming module, the decoder module of configuration MIPI agreement, aiming light source, lighting source and trigger module;
Image-forming module is one-body molded, comprising: lens group, receives the light reflected by target area; Integrated global electronic shutter image sensor array, receives the light of lens group reflection, transmits image pixel to decoder module;
Trigger module and decoder module communicate to connect, decoder module with image-forming module, aim at light source, lighting source is electrically connected.
10. the bar code reading engine for obtaining view data according to claim 9, it is characterized in that: described trigger module comprises control button and control module, described control button link control module, described control module and image-forming module, aim at light source, lighting source, decoder module be electrically connected.
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| CN201520330075.6U CN204856516U (en) | 2015-05-21 | 2015-05-21 | A bar code recognition engine for obtaining image data |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104866799A (en) * | 2015-05-21 | 2015-08-26 | 福建新大陆电脑股份有限公司 | Bar-code identifying and reading engine for obtaining image data |
| CN110032908A (en) * | 2019-04-23 | 2019-07-19 | 福州符号信息科技有限公司 | A kind of bar code processing circuit that supporting various communications protocols and bar code reading module |
| CN110933433A (en) * | 2019-10-15 | 2020-03-27 | 苏州斯普锐智能系统有限公司 | Industrial decoding module and application market based on same |
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2015
- 2015-05-21 CN CN201520330075.6U patent/CN204856516U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104866799A (en) * | 2015-05-21 | 2015-08-26 | 福建新大陆电脑股份有限公司 | Bar-code identifying and reading engine for obtaining image data |
| CN104866799B (en) * | 2015-05-21 | 2018-10-23 | 福建新大陆电脑股份有限公司 | A kind of bar code reading engine for obtaining image data |
| CN110032908A (en) * | 2019-04-23 | 2019-07-19 | 福州符号信息科技有限公司 | A kind of bar code processing circuit that supporting various communications protocols and bar code reading module |
| CN110933433A (en) * | 2019-10-15 | 2020-03-27 | 苏州斯普锐智能系统有限公司 | Industrial decoding module and application market based on same |
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Address after: 350000 No. 1 Rujiangxi Road, Mawei District, Fuzhou City, Fujian Province Patentee after: New Continent Digital Technology Co., Ltd. Address before: 350000 No. 1 Rujiangxi Road, Mawei District, Fuzhou City, Fujian Province Patentee before: Fujian Newland Computer Co., Ltd. |