CN204334723U - Cis - Google Patents
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- CN204334723U CN204334723U CN201520039207.XU CN201520039207U CN204334723U CN 204334723 U CN204334723 U CN 204334723U CN 201520039207 U CN201520039207 U CN 201520039207U CN 204334723 U CN204334723 U CN 204334723U
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Abstract
The utility model provides a kind of cis, comprise: the first imageing sensor be oppositely arranged and the second imageing sensor, scan channel is formed between first imageing sensor and the second imageing sensor, first imageing sensor and/or the second imageing sensor have light source, first imageing sensor also has the first accommodation lens, second imageing sensor also has the second accommodation lens, when the light source works of the first imageing sensor or the second imageing sensor, first holds the reverberation that lens and second one of holding in lens receives this light source, first hold that lens and second hold in lens another receive the transmitted light of this light source simultaneously.The technical solution of the utility model solves transmitted light source of the prior art and reflection source list solely need be provided separately the problem causing the high and increasing device volume of cost.
Description
Technical field
The utility model relates to image scanning apparatus technical field, in particular to a kind of cis.
Background technology
At present, contact-type image sensor is more and more extensive in the application of financial industry.Wherein, the homology figure of bill, bank note etc., the collection demand of double-sided reflecting figure are increasing, require also more and more higher.Therefore higher requirement is proposed to the performance, structure, profile etc. of imageing sensor.
As shown in figure 12, in prior art, imageing sensor need obtain by the homology figure of scanning patter and reflective graphics.The homology figure obtaining figure needs transmitted light source 20 ', and the reflective graphics 10 ' obtaining figure needs reflection source, and transmitted light source 20 ' and reflection source 10 ' list need solely be provided separately, and can not be general.So namely, add cost, also increase the overall dimension of imageing sensor.
Utility model content
Main purpose of the present utility model is to provide a kind of cis, solely need be provided separately to solve transmitted light source of the prior art and reflection source list the problem causing the high and increasing device volume of cost.
To achieve these goals, the utility model provides a kind of cis, comprise: the first imageing sensor be oppositely arranged and the second imageing sensor, scan channel is formed between first imageing sensor and the second imageing sensor, first imageing sensor and/or the second imageing sensor have light source, first imageing sensor also has the first accommodation lens, second imageing sensor also has the second accommodation lens, when the light source works of the first imageing sensor or the second imageing sensor, first holds the reverberation that lens and second one of holding in lens receives this light source, first hold that lens and second hold in lens another receive the transmitted light of this light source simultaneously.
Further, first accommodation lens and second hold lens relative scanning passage and arrange axisymmetricly, and the first central axis and second holding lens holds the central axes of lens, light source comprises the first light source, first light source is arranged on the side of the first accommodation lens, and the main optical path of the first light source and the first central axis holding lens have predetermined angle α.
Further, light source also comprises secondary light source, and secondary light source is arranged on the side of the second accommodation lens, and secondary light source and the first light source are positioned at the homonymy of the central axis of the second accommodation lens, and the first light source and secondary light source relative scanning passage are arranged axisymmetricly.
Further, light source also comprises the 3rd light source, and the central axis that the 3rd light source relative with the first light source first holds lens is arranged axisymmetricly.
Further, light source also comprises the 4th light source, and the central axis that the 4th light source relative with secondary light source second holds lens is arranged axisymmetricly.
Further, first central axis and second holding lens holds the centerline axis parallel of lens and has predeterminable range b, light source comprises the first light source and secondary light source, first light source and secondary light source are positioned at the homonymy of the central axis of the first accommodation lens, and the first light source is equal with the second distance held between lens with secondary light source with the first distance held between lens.
Further, predeterminable range is in the scope of 1 to 2mm.
Further, first light source, secondary light source, the 3rd light source and the 4th light source comprise: optical transmission component, and optical transmission component is strip, and optical transmission component comprises body and is arranged on the convex surface on body side, the cross section of body is trapezoidal or rectangle, and convex surface is cambered surface.
Further, the first light source, secondary light source, the 3rd light source and the 4th light source comprise: optical transmission component, and optical transmission component is strip, and optical transmission component comprises body and is arranged on the tangent plane on body.
Further, described predetermined angle α is in the scope of 0 to 30 °.
Application the technical solution of the utility model, cis comprises the first imageing sensor and the second imageing sensor that are oppositely arranged, forms scan channel between the first imageing sensor and the second imageing sensor.First imageing sensor and/or the second imageing sensor are provided with light source, the first imageing sensor are provided with the first accommodation lens, the second imageing sensor is provided with the second accommodation lens.When light source works on the first imageing sensor or the second imageing sensor, first holds lens and second holds one in the lens reverberation receiving this light source and send, and another receives the transmitted light of this light source.Therefore, the light source on imageing sensor both can be used as reflection source, can be used as transmitted light source again, need not arrange two kinds of light sources more simultaneously, decrease the setting of unnecessary light source, save equipment cost, reduce equipment volume simultaneously.Therefore the technical solution of the utility model effectively solves transmitted light source of the prior art and reflection source list and solely need be provided separately the problem causing the high and increasing device volume of cost.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the vertical section schematic diagram of the embodiment one according to cis of the present utility model;
Fig. 2 shows the vertical section schematic diagram of the light source of embodiment one;
Fig. 3 shows the vertical section schematic diagram of the optical transmission component of the light source of embodiment one;
Fig. 4 shows the vertical section schematic diagram of the embodiment two according to cis of the present utility model;
Fig. 5 shows the vertical section schematic diagram of the embodiment three according to cis of the present utility model;
Fig. 6 shows the vertical section schematic diagram of the embodiment four according to cis of the present utility model;
Fig. 7 shows the vertical section schematic diagram of the embodiment five according to cis of the present utility model;
Fig. 8 shows the vertical section schematic diagram of the embodiment six according to cis of the present utility model;
Fig. 9 shows the cross sectional representation of the optical transmission component of embodiment six;
Figure 10 shows the cross sectional representation of the optical transmission component of the embodiment seven according to cis of the present utility model;
Figure 11 shows the cross sectional representation of the optical transmission component of the embodiment eight according to cis of the present utility model.
Figure 12 shows the structural representation of cis in prior art.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
1, optical transmission component; 2, luminous element; 3, substrate; 4, reflective graphics; 5, mounting casing; 10 ', reflection source; 20 ', transmitted light source; 10, the first imageing sensor; 20, the second imageing sensor; 31, the first light source; 32, secondary light source; 33, the 3rd light source; 34, the 4th light source; 40, first holds lens; 50, second holds lens.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As shown in Figure 1, the cis of embodiment one comprises the first imageing sensor 10 and the second imageing sensor 20.First imageing sensor 10 and the second imageing sensor 20 are oppositely arranged, and form scan channel between the first imageing sensor 10 and the second imageing sensor 20.First imageing sensor 10 has light source, and the first imageing sensor 10 also has the first accommodation lens 40, second imageing sensor 20 and also has the second accommodation lens 50.When light source works, first holds the reverberation that lens 40 receive this light source, and second holds the transmitted light that lens 50 receive this light source simultaneously.
The technical scheme of application the present embodiment, cis comprises the first imageing sensor 10 of being oppositely arranged and forms scan channel between the second imageing sensor 20, first imageing sensor 10 and the second imageing sensor 20.First imageing sensor 10 and/or the second imageing sensor 20 are provided with light source, the first imageing sensor 10 are provided with on the first accommodation lens 40, second imageing sensor 20 and are provided with the second accommodation lens 50.When light source works on the first imageing sensor 10 or the second imageing sensor 20, first holds lens 40 and second holds one in lens 50 reverberation receiving this light source and send, and another receives the transmitted light of this light source.Therefore, the light source on imageing sensor both may be used for reflection source, may be used for transmitted light source again, need not arrange two kinds of light sources more simultaneously, decrease the setting of unnecessary light source, save equipment cost, reduce equipment volume simultaneously.Therefore the technical scheme of the present embodiment effectively solves transmitted light source of the prior art and reflection source list and solely need be provided separately the problem causing the high and increasing device volume of cost.
In the technical scheme of the application, light source, first holds lens 40 and the second accommodation lens 50 are strip, and the bearing of trend that light source, first holds lens 40 and the second accommodation lens 50 is identical.
As shown in Figure 1, in the technical scheme of the present embodiment, light source, first holds lens 40 and the second concrete arrangement holding lens 50 is: the first accommodation lens 40 and the second accommodation lens 50 relative scanning passage are arranged axisymmetricly, and the first central axis and second holding lens 40 holds the central axes of lens 50.Light source comprises the side that the first light source 31, first light source 31 is arranged on the first accommodation lens 40, and main optical path and first central axis holding lens 40 of the first light source 31 have predetermined angle α.
When the first light source 31 is illuminated be positioned on scan channel by scan manuscript time, a main optical path part for the first light source 31 penetrates original copy and directive second imageing sensor, a part original copy lower surface reflection and directive first imageing sensor.First holds lens 40 for collecting the reverberation of the first light source 31, and reflection ray receives by reflecting and being held lens 40 by first after reflecting.Second holds lens for collecting the refract light of the first light source 31, and refracted ray receives by being held lens 50 by second after refraction.
First hold lens 40 and second hold light that lens 50 receive can by the sensitive chip that converges on the first imageing sensor 10 and the second imageing sensor 20, sensitive chip is made up of many photosensitive areas, the light being irradiated to photosensitive area can be carried out opto-electronic conversion by photosensitive area, and signal is exported to drive circuit.Sensitive chip exports through overdrive circuit after the light of reception being converted to the signal of telecommunication, and the image on original copy or Word message can outwards be exported.Concrete, first holds the image information that lens 40 can obtain the lower surface of original copy, and second holds the image information that lens 50 can obtain the homology figure of original copy.Original copy is movement constantly, and all by after scan channel, cis just can obtain reflected image and the transmission image of the lower surface of original copy.For obtaining image or the Word message of original copy upper surface, by original copy turn-over also again by scan channel, all images on original copy or Word message just can be obtained.
In order to ensure that the light of the first light source injection can produce the good reflection ray of quality and transmitted ray simultaneously, the main optical path of the first light source and the first central axis holding lens need be made to have certain predetermined angle α.The light sent due to the first light source 31 simultaneously can by original copy to be scanned, glass and propagation medium, and therefore above-mentioned light can through comparatively complicated refraction, reflex.Applicant finds, when predetermined angle α is in the scope of 0 to 30 °, the light that the first light source 31 sends can obtain reflection ray and the refracted ray of better quality, ensures the high definition of scan image.Excessive predetermined angle α can cause refracted ray or reflection ray more weak, scanning weak effect.
Certainly, predetermined angle α can be subject to various factors, such as, in the first imageing sensor 10 and the second imageing sensor 20 glass material, by the material and propagation medium etc. of scan manuscript.Therefore actual predetermined angle α needs to adjust according to different equipment situations and working condition, and is not limited in above-mentioned scope.
As shown in Figure 2, in the technical scheme of the present embodiment, light source comprises optical transmission component 1, luminous element 2, substrate 3, reflective graphics 4 and mounting casing 5.The optical transmission component 1 with exiting surface is installed in the mounting casing 5 of White-opalescent, and substrate 3 is got up by riveted joint, bonding or alternate manner and mounting casing 5 compact siro spinning technology, and the light that can effectively prevent the luminous element 2 on substrate 3 from sending runs off from gap.Meanwhile, also make luminous element 2 abut against the end of optical transmission component 1, the light overwhelming majority that luminous element 2 sends will enter optical transmission component 1, can not diffuse to other places, add the utilance of light.
Because optical transmission component 1 is strip, therefore the light that luminous element 2 need send by optical transmission component 1 is transmitted to the afterbody of optical transmission component 1 equably, and by the reflective graphics 4 be printed on optical transmission component 1, light is reflected away from exiting surface, be radiated on original copy uniformly.The only scattered light that luminous element 2 sends, after entering optical transmission component 1, can reflect, the phenomenon such as scattering.These light part in optical transmission component 1 passes through exiting surface, another part light can be irradiated on reflective graphics 4, these light are reflexed to exiting surface again by reflective graphics 4, the light part arriving exiting surface directly penetrates, another part can be reflected back toward on reflective graphics 4, move in circles like this, the light that luminous element 2 just can send by optical transmission component 1 is transmitted to afterbody and a part of light can be made to penetrate from exiting surface uniformly from end.Certainly, the light effects penetrated to make light source is better, can arrange luminous element 2 respectively at two of optical transmission component 1 end face.
As shown in Figure 3, in the technical scheme of the present embodiment, optical transmission component 1 comprises body and is connected to the convex surface on body side, and the cross section of body is trapezoidal or rectangle, and convex surface is for being arc.The cross section of optical transmission component is made above-mentioned shape and be beneficial to the light better reflecting or collect mounting casing 5 and reflect, thus increase the utilization ratio of light, the uniformity of raising light; Convex surface is the exiting surface of optical transmission component 1, and the cross section gabarit of convex surface is arc, is similar to convex lens, to the light of optical transmission component 1 inside, there is convergence effect, the brightness on light source main optical path can be strengthened, improve the collection effect of reflective graphics and homology figure, improve properties of product.
The embodiment two of the application is with the difference of embodiment one: light source also comprises secondary light source 32.Particularly, as shown in Figure 4, secondary light source 32 is arranged on the side of the second accommodation lens 50, and secondary light source 32 and the first light source 31 are positioned at the homonymy of the central axis of the second accommodation lens 50, and the first light source 31 and secondary light source 32 relative scanning passage are arranged axisymmetricly.
The course of work of the technical scheme of embodiment two is as follows:
Cis can whole word of automatic acquisition original copy to be scanned or image information.Particularly, when original copy first time passes through scan channel, open the first light source 31 and close secondary light source 32, first holds the reflected image that lens 40 obtain the lower surface of original copy, and second holds the transmission image that lens 50 obtain original copy.After original copy is all by scan channel, the reverse second time of original copy is made to enter scan channel, and now open secondary light source 32 and close the first light source 31, first and hold the reflected image that lens 40 obtain the lower surface of original copy, second holds the transmission image that lens 50 obtain original copy.After original copy second time is all by scan channel, cis just obtains the upper surface reflected image of original copy, lower surface reflected image and transmission image, eliminates manually by the step of original copy turn-over, makes operation easier.
In embodiment two, first holds lens 40 and obtains reflected image or refraction image, second and hold lens 50 to obtain the photoelectric conversion principle of reflected image or refraction image and image identical with embodiment one, is not repeating at this.
For ensureing the refract light that the first light source 31 sends and transmitted light, and and the refract light that sends of secondary light source 32 and reverberation all can be held lens 40 and second by first and hold lens 50 and receive, in the present embodiment, the first light source 31 and secondary light source 32 relative scanning passage are arranged axisymmetricly, and the main optical path of the first light source 31 and the main optical path of secondary light source 32 hold lens 40 central axis relative to first has identical angle of inclination.First light source 31 arranges identical with embodiment one with the angle of inclination of secondary light source 32 main optical path, does not repeat them here.
The embodiment three of the application is with the difference of embodiment two: light source also comprises the 3rd light source 33, and particularly, as shown in Figure 5, the central axis that the 3rd light source 33 relative with the first light source 31 first holds lens 40 is arranged axisymmetricly.
In the technical scheme of embodiment three, first holds lens 40 both sides is furnished with the first light source 31 and the 3rd light source 33, and with opening the 3rd light source 33 when the first light source 31 works.First imageing sensor 10 arranges the intensity that two light sources can strengthen main optical path, improves the quality of scanning of original copy lower surface reflected image and transmission image.Also can realize the function that cis obtains whole original copy character image information simultaneously.
During in order to ensure that the first light source 31 and the 3rd light source 33 are opened simultaneously, the reverberation of the first light source 31 and the reverberation of the 3rd light source 33 can be held lens 40 by first simultaneously receive, and the transmitted light of the transmitted light of the first light source 31 and the 3rd light source 33 can be received by the second accommodation lens 50 simultaneously.In the present embodiment, the central axis that the 3rd light source 33 relative with the first light source 31 first holds lens 40 is arranged axisymmetricly.Due to the relative position method for arranging of above-mentioned 3rd light source 33 and the first light source 31, the central axis making the main optical path of the main optical path of the 3rd light source 33 and the first light source 31 hold lens 40 relative to first has identical angle.
The embodiment four of the application is with the difference of embodiment three, and light source also comprises the 4th light source 34, and as shown in Figure 6, particularly, the central axis that the 4th light source 34 relative with secondary light source 32 second holds lens 50 is arranged axisymmetricly.
In the present embodiment, the first accommodation lens 40 both sides are respectively arranged with the first light source 31 and the 3rd light source 33, second accommodation lens 50 both sides are respectively arranged with secondary light source 32 and the 4th light source 34.Above-mentioned method for arranging can strengthen the image scanning quality of cis greatly.
Particularly, when needing the lower surface character image information obtaining original copy, opening the first light source 31 and the 3rd light source 33 simultaneously, and closing secondary light source 32 and the 4th light source 34.First light source 31 and the 3rd light source 33 are held lens 40 at the refracted ray of original copy lower surface by first and receive, and the transmitted ray of the first light source 31 and the 3rd light source 33 is held lens 50 by second and receives, and obtains lower surface reflected image and the transmission image of original copy.
When needing the upper surface character image information obtaining original copy, opening secondary light source 32 and the 4th light source 34 simultaneously, and closing the first light source 31 and the 3rd light source 33.Secondary light source 32 and the 4th light source 34 are held lens 50 at the refracted ray of original copy upper surface by second and receive, and the transmitted ray of secondary light source 32 and the 4th light source 34 is held lens 40 by first and receives, and obtains upper surface reflected image and the transmission image of original copy.
Due to first hold that lens 40 and second hold lens 50 all both sides are provided with light source, so make the upper surface reflection ray of original copy, the lower surface reflection ray of original copy and transmitted ray all be strengthened, improve the quality of scanning of cis comprehensively.
The reason that the central axis that in the present embodiment, the 4th light source 34 relative with secondary light source 32 second holds lens 50 is arranged axisymmetricly is identical with the reason that the central axis that the first light source 31 relative first holds lens 40 is arranged axisymmetricly with the 3rd light source 33 in embodiment three, does not repeat them here.
As shown in Figure 7, the embodiment five of the application and the difference of embodiment one to four are, first central axis and second holding lens 40 holds the centerline axis parallel of lens 50 and has predeterminable range b, light source comprises the first light source 31 and secondary light source 32, first light source 31 and secondary light source 32 hold the central axis homonymy of lens 40 relative to first, and the first light source 31 is equal with the second distance held between lens 50 with secondary light source 32 with the first distance held between lens 40.
The technique effect of embodiment five is, when the original copy that cis scan table area is less, when the width being specially original copy is less than the width of scan channel, the angle of the first light source 31 or secondary light source 32 can be passed through, avoid the transmitted ray of the first light source 31 and secondary light source 32 directly to enter the second accommodation lens 50 and first without original copy and hold lens 40, affect Manuscript scanner effect.
Particularly, work for the first light source 31, secondary light source 32 is when closing, when the width of original copy is less than the width of scan channel, the main optical path of the first light source 31 be irradiated to original copy lower surface and transmitted through original copy, and received by the second accommodation lens 50, and the main optical path of the first light source 31 is in the part not having original copy through scan channel, the second accommodation lens 50 directly can be entered, and impact scanning effect.
For overcoming the problems referred to above, in embodiment five, the first central axis and second holding lens 40 holds the centerline axis parallel of lens 50 and has predeterminable range b, by adjusting the main optical path angle of the first light source 31, make the main optical path of the first light source 31 without during original copy can not by second hold lens 50 receive, and lens 50 can be held by second at the main optical path of the first light source 31 after original copy refraction to receive, and then prevent the transmitted ray of above-mentioned first light source 31 from directly entering the second accommodation lens 50 without original copy.
When secondary light source 32 works, the operation principle when main optical path operation principle of closing secondary light source 32 during the first light source 31 works with above-mentioned first light source 31, secondary light source 32 is closed is consistent, does not repeat them here.
For the ease of the main optical path angle adjustment of the first light source 31 and secondary light source 32, the predeterminable range b in the present embodiment need not be excessive, and predeterminable range b is the scope of 1 to 2mm.Certainly according to the difference of equipment situation and working condition, the scope of predeterminable range b is not limited thereto.
As shown in Figure 8 with shown in Fig. 9, embodiment six is only with the difference of embodiment four, and the optical transmission component 1 of light source comprises body and is arranged on the tangent plane of body side, and the cross section of body is rectangle.The optical transmission component 1 of above-mentioned sectional view is adopted to change by the position changing the reflective graphics 4 on optical transmission component 1 angle that light penetrate from exiting surface, thus the irradiating angle required by realization.The advantage of embodiment six is: be fixedly installed by light source 10, reduce cost.
As shown in Figure 10 and Figure 11, with embodiment eight and the difference of embodiment one to embodiment six, the embodiment seven of the application is only that optical transmission component 1 structure of light source is different.Particularly, as shown in Figure 10, in the technical scheme of embodiment seven, the cross section of optical transmission component 1 is rectangle, and advantage is: the compact conformation of optical transmission component 1, can conserve space, meanwhile, because it does not have the effect collecting light, so, can make to spread in a big way from the light of exiting surface injection, thus it is larger to prevent light source irradiation to fluctuate on original copy.
As shown in figure 11, in the technical scheme of embodiment eight, the cross section of optical transmission component 1 is circular, its advantage is: the ability of the converged light of the optical transmission component 1 of circular cross-section is stronger, also just substantially increase the utilance of light, improve the brightness of light source, improve the performance of product.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. a cis, comprise: the first imageing sensor (10) be oppositely arranged and the second imageing sensor (20), scan channel is formed between described first imageing sensor (10) and described second imageing sensor (20), described first imageing sensor (10) and/or described second imageing sensor (20) have light source, described first imageing sensor (10) also has the first accommodation lens (40), described second imageing sensor (20) also has the second accommodation lens (50), it is characterized in that, when the described light source works of described first imageing sensor (10) or described second imageing sensor (20), described first holds the reverberation that lens (40) and described second one of holding in lens (50) receives this light source, described first hold in lens (40) and described second accommodation lens (50) another receive the transmitted light of this light source simultaneously.
2. cis according to claim 1, it is characterized in that, described first accommodation lens (40) and described second is held lens (50) relative described scan channel and is arranged axisymmetricly, and the described first central axis and described second holding lens (40) holds the central axes of lens (50), described light source comprises the first light source (31), described first light source (31) is arranged on the side that described first holds lens (40), the central axis that the main optical path and described first of described first light source (31) holds lens (40) has predetermined angle α.
3. cis according to claim 2, it is characterized in that, described light source also comprises secondary light source (32), described secondary light source (32) is arranged on the side that described second holds lens (50), described secondary light source (32) and described first light source (31) are positioned at the homonymy that described second holds the central axis of lens (50), and described first light source (31) described scan channel relative to described secondary light source (32) is arranged axisymmetricly.
4. cis according to claim 3, it is characterized in that, described light source also comprises the 3rd light source (33), and described 3rd light source (33) described first central axis that hold lens (40) relative to described first light source (31) is arranged axisymmetricly.
5. cis according to claim 4, it is characterized in that, described light source also comprises the 4th light source (34), and the central axis that described 4th light source (34) relative with described secondary light source (32) second holds lens (50) is arranged axisymmetricly.
6. cis according to claim 1, it is characterized in that, described first central axis and described second holding lens (40) holds the centerline axis parallel of lens (50) and has predeterminable range b, described light source comprises the first light source (31) and secondary light source (32), described first light source (31) and described secondary light source (32) are positioned at the homonymy that described first holds the central axis of lens (40), described first light source (31) is equal with the distance that described secondary light source (32) and described second hold between lens (50) with the described first distance held between lens (40).
7. cis according to claim 6, is characterized in that, described predeterminable range (b) is in the scope of 1 to 2mm.
8. cis according to claim 5, is characterized in that, described first light source (31), described secondary light source (32), the 3rd light source (33) and the 4th light source (44) comprising:
Optical transmission component (1), described optical transmission component (1) is strip, described optical transmission component (1) comprises body and is arranged on the convex surface on body side, and the cross section of described body is trapezoidal or rectangle, and described convex surface is cambered surface.
9. cis according to claim 5, is characterized in that, described first light source (31), described secondary light source (32), the 3rd light source (33) and the 4th light source (44) comprising:
Optical transmission component (1), described optical transmission component (1) is strip, and described optical transmission component (1) comprises body and is arranged on the tangent plane on body.
10. cis according to claim 2, is characterized in that, described predetermined angle α is in the scope of 0 to 30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520039207.XU CN204334723U (en) | 2015-01-20 | 2015-01-20 | Cis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520039207.XU CN204334723U (en) | 2015-01-20 | 2015-01-20 | Cis |
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| Publication Number | Publication Date |
|---|---|
| CN204334723U true CN204334723U (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520039207.XU Active CN204334723U (en) | 2015-01-20 | 2015-01-20 | Cis |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104580806A (en) * | 2015-01-20 | 2015-04-29 | 威海华菱光电股份有限公司 | Image reader |
-
2015
- 2015-01-20 CN CN201520039207.XU patent/CN204334723U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104580806A (en) * | 2015-01-20 | 2015-04-29 | 威海华菱光电股份有限公司 | Image reader |
| CN104580806B (en) * | 2015-01-20 | 2018-03-23 | 威海华菱光电股份有限公司 | Cis |
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| GR01 | Patent grant |