CN104298949A - One-dimensional bar code recognition method - Google Patents
One-dimensional bar code recognition method Download PDFInfo
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- CN104298949A CN104298949A CN201410481666.3A CN201410481666A CN104298949A CN 104298949 A CN104298949 A CN 104298949A CN 201410481666 A CN201410481666 A CN 201410481666A CN 104298949 A CN104298949 A CN 104298949A
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Abstract
A one-dimensional bar code recognition method comprises a recognition engine for recognizing one-dimensional bar codes, wherein the engine comprises an integrated shell, the integrated shell has an optical imagining area used for reflecting an imaging optical path, an image sensor circuit board is arranged on the side face of the integrated shell, a reflecting mirror is used for receiving the imaging optical path, the size of the bar code recognition engine is reduced, and thus the influence of spurious signals can be avoided, the signal-to-noise ratio of measurement is increased, and the stability of measurement is improved. Bonding pads are arranged on a decoding circuit board and the image sensor circuit board, and the decoding circuit board is fixedly connected with the image sensor circuit board through welding spots. When the decoding circuit board receives a trigger instruction for recognizing one-dimensional bar code, an image sensor acquires the image of the one-dimensional bar code and transmits the image to the decoding circuit board so that the image can be decoded and output.
Description
Technical field
The present invention relates to a kind of optics reading method, relate in particular to bar code reading method.
Background technology
Bar code (abbreviation bar code) can be divided into bar code and two-dimensional bar code, the mark that bar code is made up of one group of regularly arranged bar, sky and corresponding character, " bar " refers to the part lower to light reflectance, " sky " refers to the part higher to light reflectance, the information that the data representation that these and sky form is certain.Two-dimensional bar code is the barcode technology of new generation of the chequered with black and white rectangle square formation record data symbol information distributed in plane (on two-dimensional directional) according to certain rules with specific geometric figure; Two-dimensional bar code can be divided into stack two-dimensional bar code and matrix two-dimensional barcode.Stack two-dimensional bar code form is form (as PDF417 bar code) 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 code (as QR 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.The development of barcode technology is very fast, and the development of barcode technology is had higher requirement to corresponding bar code reading technology.Bar code reading engine (also referred to as bar code reading module, barcode scanner etc.) is as an important composition structure of reading bar code, and its cost, size and assembling difficulty directly affect whole recognizing apparatus.
Chinese patent CN201311641Y discloses a kind of Minimized CCD bar code scanner.The goal of the invention of this patent documentation is to provide a kind of bar code reader of miniaturization.This bar code scanner comprise bottom, upper cover composition shell, be arranged on optically focused camera lens in barcode scanner and circuit board, circuit board is equipped with CCD inductor and two LED, the shell end face before optically focused camera lens is equipped with twin-lens scattering sheet.Shell adopts the mode combinatorial compound of upper and lower covers assembling, adds installation step, also reduces the stability of shell structure to a certain extent simultaneously.Because strip CCD length is longer, in strip ccd image sensor institute integrated two LED on circuit boards, the size of bar code reader certainly will be added.
Summary of the invention
For this reason, technical matters to be solved by this invention to be in prior art that bar code reading clip surface assembling step is played more and structural stability not enough, and it is still relatively large to distinguish engine size.
For solving the problems of the technologies described above, of the present invention adopted technical scheme:
Bar code reading method, comprising:
The recognition engine of recognition bar code; Described recognition engine comprises:
Integral housing (1); Described integral housing (1) adopts light-proof material to obtain, and comprises further:
Bottom panel (11);
Front panel (12); Described front panel (12) be provided with camera lens (121);
First side panel (13); The side edge of described first side panel along front panel (12) along described bottom panel (11) and front panel (12) is arranged, described first side panel (13) is provided with opening (131), coincide with the imageing sensor shape of the image sensor circuit plate (3) be positioned at outside the first side panel;
Backplate (15); Relative with described front panel (12);
Optical imagery district (16); Described optical imagery district (16) is by described backplate (15) and comprise the front panel (12) of described camera lens (121) and described first side panel (13) and the 3rd side panel (132) be arranged between the first side panel (13) and the second side panel (14) and the lower panel (163) that arranges along above-mentioned panel lower edge surrounded; Being provided with a catoptron (162) in described optical imagery district (16), allowing the described imageing sensor fitting in described opening (131) catch for the bar code image obtained by described camera lens (121) through reflexing to described opening (131);
Second side panel (14); The opposite side edge of described first side panel along front panel (12) along described bottom panel (11) and front panel (12) is arranged;
Decoding circuit plate (2); Described decoding circuit plate (2) is positioned at the top of described integral housing (1), is removably connected with described integral housing (1); Described decoding circuit panel edges is provided with pad, the top of described image sensor circuit plate (3) is provided with pad, the pad of described image sensor circuit plate (3) is corresponding with the pad of described decoding circuit plate (2), and described image sensor circuit plate (3) is connected by solder joint with described decoding circuit plate (2);
Described bar code reading method comprises the following steps:
S1: described decoding deck (2) receives the triggering command of recognition bar code;
S2: described camera lens (121) acquisition is caught continuous bar code picture frame and transferred to described imageing sensor;
S3: the continuous bar code picture frame that described imageing sensor obtains transfers to described decoding circuit plate (2) by described solder joint;
S4: described decoding circuit plate (2) is decoded one by one to described bar code picture frame; If successfully decoded exports bar code information; If decode unsuccessfully, carry out the decoding of next frame bar code image frame.
Described optical imagery district (16) top is connected with shadow shield (161), and described shadow shield (161) is detachable.
Described front panel (12) is provided with lighting window (122) above or below described camera lens (121), be provided with in the side of described camera lens (121) and aim at window (123), described lighting window is provided with the transparent material that laminating aims at window shape;
Described integral housing (1) also comprises:
Aim at light source storage area (17), described aiming light source storage area is positioned between described second side (14) and described 3rd side panel (132); The size of described aiming light source storage area (17) and the size aiming at light source match or slightly larger than aiming at light source; Cylindrical transparent condenser (171) is provided with between described (17) front, aiming light source storage area and described aiming window (123);
Surround (18); Described surround (18) is positioned at above or below described optical imagery district, is the void region at described lighting window (122) horizontal rear, and the width of described surround is slightly larger than the width of lighting source;
Described bar code recognition engine also comprises:
Light source circuit board (4); Comprise further:
Aim at light source; Described aiming light source is a laser instrument in regular geometric shapes;
Lighting source; Described lighting source is infrared light-emitting diode, and described lighting source comprises at least one piece of described infrared light-emitting diode.
The pad locations of the corresponding described decoding circuit plate (2) in described light source circuit board (4) top is provided with pad, is connected by solder joint with the pad of described decoding circuit plate (2).
The elongated poroid lens of described camera lens.
Described imageing sensor is strip type ccd image sensor.
Described bottom panel (11) is provided with more than one screw hole.
Described integral housing (1) adopts black ABS plastic material to obtain.
Technique scheme of the present invention has the following advantages compared to existing technology.
1. bar code reading method of the present invention, comprise the recognition engine of recognition bar code, the optical imagery district that described engine comprises the housing of integral type, described integral housing also has catoptric imaging light path, and image sensor circuit plate is arranged on side, accept imaging optical path by catoptron, reduce the size of bar code reading engine.To avoid the impact of spurious signal, improve and measure signal to noise ratio (S/N ratio) and stability.Decoding circuit plate and image sensor circuit plate are provided with pad, decoding circuit plate is fixedly connected with by solder joint with image sensor circuit plate, described decoding deck receives the triggering command of recognition bar code, and imageing sensor gathers bar code image and transfers to described decoding deck and decodes and export.
2. the recognition engine of bar code reading method of the present invention has the shadow shield that mates with described optical imagery district to stop the impact of extraneous light on bar code imaging.
3. the recognition engine of bar code reading method of the present invention, be integrated on same light source circuit board by lighting source and aiming light source, surround is arranged on the spatial design of saving bar code recognition engine above or below described camera lens simultaneously.Described light source circuit board is provided with pad and is fixedly connected with by solder joint with decoding circuit plate by solder joint, and realizes the transmission of power supply and data-signal.Aim at the LASER Light Source that light source adopts brightness high.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein,
Fig. 1 is the recognition process flow diagram of bar code reading method of the present invention;
Fig. 2 is the front elevation of bar code of the present invention recognition engine;
Fig. 3 is the left view of bar code of the present invention recognition engine;
Fig. 4 is the pad structure schematic diagram of bar code of the present invention recognition engine decodes circuit board and image sensor circuit plate;
Fig. 5 is a schematic perspective view of the integral housing of bar code of the present invention recognition engine;
Fig. 6 is another schematic perspective view of the integral housing of bar code of the present invention recognition engine;
Fig. 7 is the rear view of the integral housing of bar code of the present invention recognition engine;
Fig. 8 is the schematic diagram of the base plate of the integral housing of bar code of the present invention recognition engine;
Fig. 9 is the schematic diagram of the shadow shield of bar code of the present invention recognition engine.
In figure, Reference numeral is expressed as: 1-integral housing, 2-decoding circuit plate, 3-image sensor circuit plate, 4-light source circuit board, 11-bottom panel, 12-front panel, 121-camera lens, 13-first side panel, 131-opening, 14-second side panel, 132-the 3rd side panel, 141-fixes indent, 15-backplate, 16-optical imagery district, 161-shadow shield, 162-catoptron, 163-lower panel, 21-solder joint, 22-contact base, 23-screw hole, 122-lighting window, 123-aims at window, 17-aims at light source storage area, 171-collector lens, 18-surround, 172-aims at light source holding tank, 173-collector lens spatial accommodation.
Embodiment
As shown in Figure 1, be the recognition flow chart of steps of bar code reading method of the present invention.As shown in Figure 2, be the preferred embodiment of recognition engine of recognition bar code of bar code reading method of the present invention.Described bar code recognition engine comprises: integral housing 1, decoding circuit plate 2, image sensor circuit plate 3.Bar code decoding chip in described decoding deck circuit board 2 can adopt the one-dimensional barcode decoding chip disclosed in Chinese patent literature CN101840496B, and is designed with the circuit structure mated with this chip.The imageing sensor of described image sensor circuit plate 3 adopts strip ccd image sensor (Charge-coupled Device, charge coupled cell), described ccd image sensor can adopt the model of Toshiba (Toshiba) company to be the strip ccd image sensor of TCD1103GFG.
As shown in Figure 3, described a kind of bar code recognition engine also comprises: light source circuit board 4.Described light source circuit board 4 comprises further:
Aim at light source; Described aiming light source is a laser instrument in regular geometric shapes.In the present invention, adopt columned red laser, being specially QSI Corp. (http://www.qsilaser.com/) model is the laser diode of QL65D5SA-N, and its visible wavelength exported is 650nm.In order to better realize aiming at effect, at the light tight shell of described laser diode outer wrapping black, one collector lens being set in front simultaneously, forming laser diode light group.Also can adopt columned green laser, select according to use needs.
Lighting source; Described lighting source is infrared light emission diode, in the present invention, infrared light-emitting diode adopts hundred million light (EVERLIGHT) company (www.everlight.com) model to be the infrared light-emitting diode of HIR204C, its wavelength exporting light is 850nm is people's light far from eye, described lighting source comprises at least one piece of described infrared light-emitting diode, and the present invention preferably adopts two pieces to be positioned at spaced infrared light-emitting diode on same level line.Because ccd image sensor is responsive to infrared light, therefore employing wavelength of transmitted light is the infrared light emission diode of 850nm, can better meet the requirement of bar code imaging.
The pad locations of the corresponding described decoding circuit plate 2 in described light source circuit board 4 top is also provided with pad, be connected by solder joint by the pad of pad on described light source circuit board 4 with described decoding circuit plate 2, described light source circuit board is powered by described decoding circuit plate 2 and is performed corresponding function by the command signal that decoding circuit plate 2 sends.
As shown in Figure 4, the decoding circuit plate 2 of described bar code recognition engine is provided with two screw holes 23, is dismountablely connected by screw and described integral housing 1, fixes.Described decoding circuit plate is also provided with contact base 22, described contact base adopts ZIF (Zero Insertion Force, ZIF) contact base under 12 PIN, carries out being connected the transmission carrying out data with peripheral hardware (main frame) with flexible cable.Described decoding circuit plate 2 edge is provided with pad, the top of described image sensor circuit plate 3 is provided with pad, the pad of described image sensor circuit plate 3 is corresponding with the pad of described decoding circuit plate 2, described image sensor circuit plate 3 is connected by solder joint 21 with described decoding circuit plate 2, and is powered and receiving and transmitting signal to image sensor circuit plate 3 by described decoding circuit plate 2 by solder joint.
As illustrated in Figures 5 and 6, described integral housing 1 adopts light-proof material to obtain, and preferably adopts black ABS plastic to obtain in the present invention.Described housing preferably adopts square configuration in the present invention.Described integral housing adopts integrated injection forming technique to obtain, and reduces the step that housing each secondary connects.Described integral housing 1 comprises further:
Bottom panel 11.
Front panel 12; Described front panel 12 is provided with camera lens 121.Described camera lens 121 preferably adopts elongated poroid lens in the present invention.When closely reading bar code, relative to adopting cylindric camera lens in prior art, the poroid camera lens of strip can enable imageing sensor get bar code image clearly.Camera lens rear is provided with a square region for holding PMMA (polymethylmethacrylate is commonly called as acrylic) or optical glass, reduces the impurity such as dust to the impact of bar code imaging.Described front panel 12 is also provided with strip lighting window 122 and square aiming window 123, and described lighting window is fitted the PMMA (polymethylmethacrylate is commonly called as acrylic) of its shape or optical glass transparent material.Described aiming window 123 can be arranged on the both sides of described camera lens, and described lighting window can be arranged on above or below camera lens.Lighting window 122 is arranged on the below of described camera lens 121 and described aiming window 123 in the present embodiment, and described aiming window is arranged on the left side of described camera lens.
First side panel 13; The side edge of described first side panel along front panel 12 along described bottom panel 11 and front panel 12 is arranged, described first side panel 13 is provided with opening 131, coincide with the imageing sensor shape of image sensor circuit plate 2, what the present invention adopted is strip ccd image sensor (i.e. Linear Array CCD Image Sensor), so described opening 131 is also strip.
Second side panel 14; Relative with described first side panel 13.As shown in Figure 2, the lower right corner of described second side panel is also provided with " L " shape and fixes indent for the transparent collector lens 171 of support cylinder shape.
Backplate 15; Relative with described front panel 12.
Optical imagery district 16; Be provided with a catoptron 162 in described optical imagery district 16, described catoptron 162 is the imaging eyeglass of normal thin flap-type.Described catoptron 162 forms included angle A with the axial line of described camera lens 121, and the scope of described included angle A is 40 ° ~ 50 °, and described catoptron 162 provides described imageing sensor to catch for the bar code image obtained by described camera lens 12 through flatly reflection.As shown in Figure 9, in order to prevent the inner light leak of extraneous light or optical imagery district 16 on the impact of imageing sensor imaging, also be provided with shadow shield 161, described shadow shield 161 is removably connected with described optical imagery district by screw, inside, optical imagery district 16 is made to form confined space, exterior light can only be entered by described camera lens, improves the imaging effect of imageing sensor.
As shown in Fig. 5,6 and 7, described integral housing 1 also comprises:
Aim at light source storage area 17, described aiming light source storage area is between described second side 14 and described 3rd side panel 132.The size of described aiming light source storage area 17 and the size aiming at light source match or slightly larger than aiming at light source; The present embodiment adopts cylindrical shape red laser as aiming light source, is also designed to cylindrical with aiming light source of flatly fitting so aim at light source storage area 17.The front of described aiming light source storage area 17 is provided with collector lens spatial accommodation 173, and described condenser spatial accommodation 173 is rounded, and both sides have arc-shaped folder, prevents collector lens to be shifted.Hollow out process is carried out in the position of the corresponding aiming window 123 of described collector lens accommodation space 173, also carries out hollow out process at the position aiming at light source front.The while that cylindrical transparent condenser 171 being arranged in described collector lens spatial accommodation 173, indent support is fixed by described " L " shape in bottom.The effect of described cylindrical transparent condenser 171 is that strip is radiated in bar code by aiming light, so that user aims at bar code exactly.Described cylindrical transparent condenser 171 can adopt PMMA (polymethylmethacrylate is commonly called as acrylic) or optical glass to obtain.
Surround 18, described surround 18 is positioned at above or below described optical imagery district, is the void region at described lighting window (122) horizontal rear.In embodiments of the invention, described surround 18 is arranged on the below in described optical imagery district, for by the void region surrounded between lower panel 163 and bottom panel 12.The width of described surround, slightly larger than the width of illuminating lamp tube, is advisable to realize the illuminating lamp tube can received on light source circuit board.The present embodiment light source circuit board is provided with two pieces of laser instruments be positioned on same level line, described surround 18 is in strip.
As shown in Figure 8, conveniently bar code recognition engine is fixed on external unit, and the diagonal angle of described base plate 11 is provided with more than one screw hole, and the present embodiment is provided with screw hole on two diagonal angles, can be fixed in external unit by screw.
Described bar code recognition engine also comprises:
Light source circuit board 4; Comprise further:
Aim at light source; Described aiming light source is a laser instrument in regular geometric shapes.In the present invention, adopt columned red laser, being specially QSI Corp. (http://www.qsilaser.com/) model is the laser diode of QL65D5SA-N, and its visible wavelength exported is 650nm.In order to better realize aiming at effect, at the light tight shell of described laser diode outer wrapping black, one collector lens being set in front simultaneously, forming laser diode light group.Also can adopt columned green laser, select according to use needs.
Lighting source; Described lighting source is infrared light emission diode, in the present invention, infrared light-emitting diode adopts hundred million light (everlight) company (www.everlight.com) model to be the infrared light-emitting diode of HIR204C, its wavelength exporting light is 850nm is people's light far from eye, described lighting source comprises at least one piece of described infrared light-emitting diode, and the present invention preferably adopts two pieces to be positioned at spaced infrared light-emitting diode on same level line.Because ccd image sensor is responsive to infrared light, therefore employing wavelength of transmitted light is the infrared light emission diode of 850nm, can better meet the requirement of bar code imaging.
As shown in Figure 1, described bar code reading method comprises the following steps:
S1: described decoding deck (2) receives the triggering command of recognition bar code, usually triggered by external trigger button and transmit the data acquisition switch of triggering command to described decoding deck (2) by flexible circuit board, data acquisition switch is started working after receiving triggering command, and notice imageing sensor obtains image.While notice imageing sensor obtains image, open and aim at light source and lighting source.
S2: described camera lens (121) acquisition is caught continuous bar code picture frame and transferred to described imageing sensor.
S3: the continuous bar code picture frame that described imageing sensor obtains transfers to described decoding circuit plate (2) by described solder joint.
S4: the decoder module of described decoding circuit plate (2) calls the decoding algorithm stored in storage unit and decodes one by one to described bar code picture frame; If successfully decoded exports bar code information; If decode unsuccessfully, carry out the decoding of next frame bar code image frame.
The decodable code system of algorithm preset in the decoding deck of described bar code recognition engine comprises: EAN-13, EAN-8, UPC-A, UPC-E, ISSN, ISBN, Codabar, Code 128, Code 93, ITF-6, ITF-14, Interleaved 2 of 5, Industrial 2 of 5, Standard 2 of 5, Matrix 2 of 5, GS1 Databar, Code 39, Code 11, MSI-Plessey, Plessey.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (8)
1. bar code reading method, is characterized in that, comprising:
The recognition engine of recognition bar code; Described recognition engine comprises:
Integral housing (1); Described integral housing (1) adopts light-proof material to obtain, and comprises further:
Bottom panel (11);
Front panel (12); Described front panel (12) be provided with camera lens (121);
First side panel (13); The side edge of described first side panel along front panel (12) along described bottom panel (11) and front panel (12) is arranged, described first side panel (13) is provided with opening (131), coincide with the imageing sensor shape of the image sensor circuit plate (3) be positioned at outside the first side panel;
Backplate (15); Relative with described front panel (12);
Optical imagery district (16); Described optical imagery district (16) is by described backplate (15) and comprise the front panel (12) of described camera lens (121) and described first side panel (13) and the 3rd side panel (132) be arranged between the first side panel (13) and the second side panel (14) and the lower panel (163) that arranges along above-mentioned panel lower edge surrounded; Being provided with a catoptron (162) in described optical imagery district (16), allowing the described imageing sensor fitting in described opening (131) catch for the bar code image obtained by described camera lens (121) through reflexing to described opening (131);
Second side panel (14); The opposite side edge of described first side panel along front panel (12) along described bottom panel (11) and front panel (12) is arranged;
Decoding circuit plate (2); Described decoding circuit plate (2) is positioned at the top of described integral housing (1), is removably connected with described integral housing (1); Described decoding circuit plate (2) edge is provided with pad, the top of described image sensor circuit plate (3) is provided with pad, the pad of described image sensor circuit plate (3) is corresponding with the pad of described decoding circuit plate (2), and described image sensor circuit plate (3) is connected by solder joint with described decoding circuit plate (2);
Described bar code reading method comprises the following steps:
S1: described decoding deck (2) receives the triggering command of recognition bar code;
S2: described camera lens (121) acquisition is caught continuous bar code picture frame and transferred to described imageing sensor;
S3: the continuous bar code picture frame that described imageing sensor obtains transfers to described decoding circuit plate (2) by described solder joint;
S4: described decoding circuit plate (2) is decoded one by one to described bar code picture frame; If successfully decoded exports bar code information; If decode unsuccessfully, carry out the decoding of next frame bar code image frame.
2. bar code reading method according to claim 1, is characterized in that, the top, optical imagery district (16) of described recognition engine is connected with shadow shield (161), and described shadow shield (161) is detachable.
3. bar code reading method according to claim 2, it is characterized in that, integral housing (1) front panel (12) of described recognition engine is provided with lighting window (122) above or below described camera lens (121), be provided with in the side of described camera lens (121) and aim at window (123), described aiming window is provided with the transparent material that laminating aims at window shape;
Described integral housing (1) also comprises:
Aim at light source storage area (17), described aiming light source storage area is positioned between described second side (14) and described 3rd side panel (132); The size of described aiming light source storage area (17) and the size aiming at light source match or slightly larger than aiming at light source; Cylindrical transparent condenser (171) is provided with between described (17) front, aiming light source storage area and described aiming window (123);
Surround (18); Described surround (18) is positioned at above or below described optical imagery district, is the void region at described lighting window (122) horizontal rear, and the width of described surround is slightly larger than the width of lighting source;
Described recognition engine also comprises:
Light source circuit board (4); Comprise further:
Aim at light source; Described aiming light source is a laser instrument in regular geometric shapes;
Lighting source; Described lighting source is infrared light emission diode, and described lighting source comprises at least one piece of described infrared light-emitting diode.
4. bar code reading method according to claim 3, it is characterized in that, the pad locations of the corresponding described decoding circuit plate (2) in described light source circuit board (4) top is provided with pad, is connected by solder joint with the pad of described decoding circuit plate (2).
5. bar code reading method according to claim 4, is characterized in that, the elongated poroid lens of described camera lens.
6., according to the arbitrary described bar code reading method of claim 1-5, it is characterized in that, described imageing sensor is strip type ccd image sensor.
7. bar code reading method according to claim 6, is characterized in that, described bottom panel (11) is provided with more than one screw hole.
8. according to the arbitrary described bar code reading method of claim 1-7, it is characterized in that, described integral housing (1) adopts black ABS plastic material to obtain.
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| CN201410481666.3A CN104298949B (en) | 2014-09-19 | 2014-09-19 | One-dimensional bar code recognition method |
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| CN201410481666.3A CN104298949B (en) | 2014-09-19 | 2014-09-19 | One-dimensional bar code recognition method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104881664A (en) * | 2015-05-21 | 2015-09-02 | 福建新大陆电脑股份有限公司 | Image acquiring device used for target area imaging |
| CN105046183A (en) * | 2015-07-22 | 2015-11-11 | 福建新大陆自动识别技术有限公司 | Decoding method and system for distorted QR (Quick Response) code |
| CN106066982A (en) * | 2016-07-10 | 2016-11-02 | 苏州摩比力特电子科技有限公司 | Linear code based on cmos sensor reads module and motion scan terminal |
| CN106599752A (en) * | 2016-12-26 | 2017-04-26 | 苏州斯普锐智能系统有限公司 | Bar code scanning device, hardware decoding chip and decoding method thereof |
| CN111563394A (en) * | 2020-04-03 | 2020-08-21 | 福建新大陆自动识别技术有限公司 | Small-size bar code image acquisition module |
| CN114218972A (en) * | 2021-12-16 | 2022-03-22 | 福建新大陆自动识别技术有限公司 | Bar code reading module |
| CN115270837A (en) * | 2022-09-27 | 2022-11-01 | 北京紫光青藤微系统有限公司 | One-dimensional code recognition equipment and recognition method |
| CN115310468A (en) * | 2022-08-08 | 2022-11-08 | 北京微晶物联科技有限公司 | Microcrystal code scanning device and method for explosion-proof environment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201044106Y (en) * | 2007-02-02 | 2008-04-02 | 徐晓东 | Mobile data acquisition terminal |
| CN201311641Y (en) * | 2008-12-03 | 2009-09-16 | 中山市安稳科技有限公司 | Minimized CCD bar code scanner |
| CN101840496B (en) * | 2010-06-01 | 2012-12-12 | 福建新大陆电脑股份有限公司 | One-dimensional barcode decoding chip |
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2014
- 2014-09-19 CN CN201410481666.3A patent/CN104298949B/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104881664A (en) * | 2015-05-21 | 2015-09-02 | 福建新大陆电脑股份有限公司 | Image acquiring device used for target area imaging |
| CN105046183A (en) * | 2015-07-22 | 2015-11-11 | 福建新大陆自动识别技术有限公司 | Decoding method and system for distorted QR (Quick Response) code |
| CN105046183B (en) * | 2015-07-22 | 2017-07-18 | 福建新大陆自动识别技术有限公司 | The coding/decoding method and system of a kind of distortion QR codes |
| CN106066982A (en) * | 2016-07-10 | 2016-11-02 | 苏州摩比力特电子科技有限公司 | Linear code based on cmos sensor reads module and motion scan terminal |
| CN106066982B (en) * | 2016-07-10 | 2019-04-26 | 苏州摩比信通智能系统有限公司 | Linear code based on cmos sensor reads mould group and motion scan terminal |
| CN106599752A (en) * | 2016-12-26 | 2017-04-26 | 苏州斯普锐智能系统有限公司 | Bar code scanning device, hardware decoding chip and decoding method thereof |
| CN111563394A (en) * | 2020-04-03 | 2020-08-21 | 福建新大陆自动识别技术有限公司 | Small-size bar code image acquisition module |
| CN111563394B (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 image acquisition module |
| CN114218972A (en) * | 2021-12-16 | 2022-03-22 | 福建新大陆自动识别技术有限公司 | Bar code reading module |
| CN114218972B (en) * | 2021-12-16 | 2023-09-01 | 福建新大陆自动识别技术有限公司 | Bar code reading module |
| CN115310468A (en) * | 2022-08-08 | 2022-11-08 | 北京微晶物联科技有限公司 | Microcrystal code scanning device and method for explosion-proof environment |
| CN115310468B (en) * | 2022-08-08 | 2023-04-14 | 北京微晶物联科技有限公司 | Microcrystal code scanning device and method for explosion-proof environment |
| CN115270837A (en) * | 2022-09-27 | 2022-11-01 | 北京紫光青藤微系统有限公司 | One-dimensional code recognition equipment and recognition method |
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