CN101145193A - Bar code recognizing apparatus structure - Google Patents
Bar code recognizing apparatus structure Download PDFInfo
- Publication number
- CN101145193A CN101145193A CNA2006100960872A CN200610096087A CN101145193A CN 101145193 A CN101145193 A CN 101145193A CN A2006100960872 A CNA2006100960872 A CN A2006100960872A CN 200610096087 A CN200610096087 A CN 200610096087A CN 101145193 A CN101145193 A CN 101145193A
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- China
- Prior art keywords
- bar code
- imaging system
- angle
- lens
- recognizing apparatus
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Abstract
The present invention relates to a structure of barcode readers, and the structure comprises a shell, an imaging system component and an output interface; the imaging system component is provided with a lens and a sensor device; a reflective lens is arranged between a to-be-read barcode and the imaging system component; the angle theta between the vertical line of the axle center of the barcode and the line of the axle center of the lens is ranged between 80 degrees and 100 degrees; the angle alpha between the reflective lens and the line of the axle center of the lens is ranged between 40 degrees and 50 degrees. Through adopting the structure, the light path of the image of the to-be-read barcode firstly can be changed by the reflective lens and can be reflected to the lens of the imaging system component, and then can be reflected to the sensor device to be decoded, so that the distance between the imaging system component and the to-be-read barcode on the screen of a mobile phone is shortened, thereby achieving the purpose of shortening the barcode to read the height of the equipment.
Description
Technical field
The present invention relates to bar code recognizing apparatus, relate in particular to for some and leave bar code on the particular medium in, need the special bar code recognizing apparatus of design to distinguish, for example at being presented at bar code on the mobile phone screen, design the structure of the bar code recognizing apparatus that a fixed bar code recognizing apparatus distinguishes.
Background technology
According to traditional yard bar code recognizing apparatus of index path design of reading, be illustrated in fig. 1 shown below, must maintain a certain distance L between the camera lens 21 of optical imaging system assembly 2 and the bar code 4 on the mobile phone screen, just can reach and distinguish effect preferably, therefore, the height H 1 of bar code recognizing apparatus will design than higher, could satisfy the demand of reading sign indicating number.
Summary of the invention
The object of the invention provides a kind of structure that shortens the bar code recognizing apparatus of bar code recognizing apparatus height.
The present invention is achieved through the following technical solutions, bar code recognizing apparatus comprises shell, imaging system assembly and output interface, the imaging system assembly is provided with camera lens and sensor devices, wherein at bar code and the imaging system inter-module distinguished, insert a reflecting optics, the vertical central lines of bar code and the axial line of camera lens form angle theta, and this angle theta scope is 80 °～100 °, the axial line of reflecting optics and camera lens forms angle α, and this angle α scope is 40 °～50 °.
The present invention adopts above structure, the bar code image of being distinguished changes light path by catoptron earlier, reflex on the camera lens in the imaging system assembly, be refracted to through camera lens again and carry out decoding processing on the sensor devices, thereby shorten the distance between the quilt recognition bar code on imaging system assembly and the mobile phone screen, reach the purpose that shortens the bar code reader height.
Description of drawings
Now in conjunction with the accompanying drawings the present invention is further elaborated:
The light path synoptic diagram of the existing bar code recognizing apparatus of Fig. 1;
Fig. 2 is a light path synoptic diagram of the present invention;
Fig. 3 is the physical distance figure of one of embodiment of the invention;
Fig. 4 is two physical distance figure of the embodiment of the invention.
Embodiment
Shown in Fig. 2,3,4, bar code recognizing apparatus of the present invention comprises shell 1, imaging system assembly 2 and output interface 3, imaging system assembly 2 is provided with camera lens 21 and sensor devices 22, wherein by 2 of the bar code 4 distinguished and imaging system assemblies, insert a reflecting optics 5, the axial line of the vertical central lines of bar code 4 and camera lens 21 forms angle theta, and this angle theta scope is 80 °～100 °, reflecting optics 5 forms angle α with the axial line of camera lens 21, and this angle α scope is 40 °～50 °.By the bar code 4 distinguished through reflecting optics 5 catoptric imagings on imaging system assembly 2, after sensor devices 22 on the imaging system assembly 2 receives the imaging of bar code 4, it is changed into digital signal, and with digital signal by output interface 3, import internal memory into, carry out decoding processing, when angle theta equals 90 ° by CPU, when angle α equaled 45 °, reflecting optics 5 transmitted imaging effect the best of outside bar code 4.So bar code 4 is L to the distance of reflecting optics 5
1, the distance of the camera lens 21 of reflecting optics 5 to the imaging system assembly 2 is L
2, L
1+ L
2=L, L of the present invention
2Utilize the axial space of bar code recognizing apparatus, thereby the height of realizing bar code reading of the present invention shortens nearly L
2Distance.
As shown in Figure 3, the vertical central lines of bar code 4 and the axial line of camera lens form angle theta be 80 °, reflecting optics 5 with the axial line of camera lens 21 between shape when α is 50 ° in an angle, the height H 2 of shell 1 equals the distance L that bar code 4 arrives reflecting optics 5
1Add reflecting optics 5 to shell 1 bottom apart from a2:
H2＝L
1+a2
As shown in Figure 4, the vertical central lines of bar code 4 and the axial line of camera lens form angle theta be 100 °, reflecting optics 5 with the axial line of camera lens 21 between shape when α is 40 ° in an angle, the height H 3 of shell 1 equals the distance L that bar code 4 arrives reflecting optics 5
1Add reflecting optics 5 to shell 1 bottom apart from a3, that is:
H3＝L
1+a3
The height H 1=L+b1 of shell 1 shown in Figure 1, b1 are camera lens 21 distance to shell 1 bottom, by among the above figure as seen, a2 ≈ a3 ≈ b1, L=L
1+ L
2, therefore, adopt technical solution of the present invention imaging system length overall H2, H3 to shorten nearly L than the height of traditional imaging system length overall H1
2Distance.
Claims (2)
1. the structure of bar code recognizing apparatus, comprise shell, imaging system assembly and output interface, the imaging system assembly is provided with camera lens and sensor devices, it is characterized in that: at bar code and the imaging system inter-module distinguished, insert a reflecting optics, the vertical central lines of bar code and the axial line of camera lens form angle theta, and this angle theta scope is 80 °～100 °, the axial line of reflecting optics and camera lens forms angle α, and this angle α scope is 40 °～50 °.
2. bar code recognizing apparatus imaging system according to claim 1 is characterized in that: the angle theta best angle is 90 °, and angle α best angle is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100960872A CN101145193A (en) | 2006-09-15 | 2006-09-15 | Bar code recognizing apparatus structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100960872A CN101145193A (en) | 2006-09-15 | 2006-09-15 | Bar code recognizing apparatus structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101145193A true CN101145193A (en) | 2008-03-19 |
Family
ID=39207716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100960872A Pending CN101145193A (en) | 2006-09-15 | 2006-09-15 | Bar code recognizing apparatus structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101145193A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105760806A (en) * | 2016-03-05 | 2016-07-13 | 福建联迪商用设备有限公司 | Camera module group code-scanning structure and method |
| CN105788108A (en) * | 2016-03-05 | 2016-07-20 | 福建联迪商用设备有限公司 | POS machine with function of scanning mirror two-dimensional code |
| WO2017219460A1 (en) * | 2016-06-23 | 2017-12-28 | 福建联迪商用设备有限公司 | Pos machine capable of changing direction of scanning two-dimensional code and usage method therefor |
| CN113139396A (en) * | 2021-04-02 | 2021-07-20 | 福建新大陆自动识别技术有限公司 | Bar code reading equipment with reflector |
-
2006
- 2006-09-15 CN CNA2006100960872A patent/CN101145193A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105760806A (en) * | 2016-03-05 | 2016-07-13 | 福建联迪商用设备有限公司 | Camera module group code-scanning structure and method |
| CN105788108A (en) * | 2016-03-05 | 2016-07-20 | 福建联迪商用设备有限公司 | POS machine with function of scanning mirror two-dimensional code |
| WO2017219460A1 (en) * | 2016-06-23 | 2017-12-28 | 福建联迪商用设备有限公司 | Pos machine capable of changing direction of scanning two-dimensional code and usage method therefor |
| CN113139396A (en) * | 2021-04-02 | 2021-07-20 | 福建新大陆自动识别技术有限公司 | Bar code reading equipment with reflector |
| CN113139396B (en) * | 2021-04-02 | 2023-05-05 | 福建新大陆自动识别技术有限公司 | Bar code reading equipment with reflector |
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Open date: 20080319 |