CN2509656Y - Penetrating text scanning structural element for CIS scanner - Google Patents

Abstract

The utility model discloses a penetrating text scanning structural element for a CIS scanner, a plane light source is arranged on the upper cover of the scanner so as to shine on the penetrating text, a guide device is arranged near the position of the plane source on the upper cover so as to guide the penetrating text to face the plane light source; thus, the CLS scanner is provided with the function of penetrating text and the scanning device is integrated with the upper cover which can lower the manufacturing cost; besides, the place on the upper cover near the guide device is provided with a drive device and/or a limit device so as to match with the movement of the penetrating text and to prevent excursion of the text.

Description

The original text that penetrates of CIS scanner scans member

Technical field

The utility model relates to a kind of scanning member, and the original text that penetrates that relates in particular to a kind of CIS of being applied in (contact-type image sensor) scanner (also can be applicable to the CCD scanner) scans member.

Background technology

Scanner is divided into two kinds of CCD (charge-coupled image sensor) form and CIS forms according to scan mode.The CCD form has long Deep Canvas, and CIS then has short Deep Canvas.When the scanning reflection original text, the scanner of CCD form and the scanner of CIS can both obtain image smoothly.And scan when penetrating original text, because the CCD form has bigger Deep Canvas, so the CCD scanner can successfully scan and obtain image by interior transparency adapter of establishing (Transparency Adapter) or the transparency adapter that adds.

The CIS scanner is not established transparency adapter in having at present, so only by the transparency adapter that adds.Yet, the bottom surface of transparency adapter is provided with the socle of protrusion, when therefore being placed on transparency adapter on the CIS scanner, this transparency adapter bottom surface and penetrating is bound between the original text at a distance of an intersegmental distance, because the depth of field of general CIS approximately has only 0.3mm, and this depth of field is significantly less than transparency adapter and penetrate spacing between original text, so cooperate the CIS scanner will produce image blurring situation with transparency adapter.

Yet the CIS scanner has short and small frivolous characteristic, is the main trend of current production design, but can only be used for the scanning reflection original text, obviously can not meet user's demand.

The utility model content

Fundamental purpose of the present utility model is to provide a kind of scanning member, particularly can be combined into one with the loam cake of CIS scanner and can be used to scan the scanning member that penetrates original text.

According to the described purpose of the utility model, wherein an embodiment be a kind of CIS scanner penetrate original text scanning member, penetrate original text in order to scanning, it comprises: a loam cake, it has an outside surface and an inside surface away from this outside surface; One planar light source, it is fixed on the inside surface of loam cake, and this planar light source has the inside surface of a transparent surface away from loam cake; And at least one guiding device, it is fixed on the inside surface of loam cake and the adjacent plane light source, and at least one guiding device has the guide portion of inclination shape, in order to guide the described original text that penetrates to planar light source.

Like this, the guiding of the guide portion of process guiding device, penetrating original text can lean against on the transparent surface of planar light source, and loam cake covers on the scanner body, the transparent surface of planar light source, penetrate the glass scanning window of original text and scanner, the three just presents smooth stacked state, so operation is quite easy, can successfully scan, thereby can obtain clearly image.In addition, integrated because of scanning member and loam cake, so can reduce manufacturing cost.

In the foregoing description structure, also can set gearing and/or stop means, so that help to penetrate moving of original text, and avoid penetrating original text and produce crooked skew.

Description of drawings

Fig. 1 is the schematic appearance of CIS scanner first embodiment;

Fig. 2 is the scanning member of the utility model first embodiment;

Fig. 3 is the synoptic diagram of the utility model first embodiment user mode;

Fig. 4 is another embodiment view of the utility model gearing;

Fig. 5 is the another embodiment view of the utility model gearing;

Fig. 6 is the structural drawing of the utility model stop means;

Fig. 7 is the use synoptic diagram of the utility model stop means;

Fig. 8 is the outside drawing of second embodiment of the present utility model.

Embodiment

Figure 1 shows that the schematic appearance of CIS scanner.CIS scanner 10 includes a body 11 and a loam cake 12 that is articulated in these body 11 1 ends.One side of loam cake 12 forms outside surface 13, and opposite side is forming inside surface 14 away from outside surface 13 places, and inside surface 14 is provided with a protection pad 16.When loam cake 12 covered on body 11, inside surface 14 was faced mutually with the glass vision panel 15 on the body 11, and protection pad 16 then is flattened on glass vision panel 15 surfaces.

On the inside surface 14 of loam cake 12, be provided with a planar light source 21.One side of this planar light source is a transparent surface 22, then is fixed on the inside surface 14 with the corresponding opposite side of transparent surface.It should be noted, be arranged on the protection pad 16 of inside surface 14 and offer a window that runs through 17 that after planar light source 21 was fixing, transparent surface 22 correspondences were at window 17 places, and transparent surface 22 does not protrude from the periphery surface of this window 17.

Shown in Figure 2 is the scanning member of the utility model first embodiment.Between the inside surface 14 and protection pad 16 of loam cake 12, also be provided with two guiding devices 30 and two groups of gearings 40.Wherein, each guiding device 30 is made of a guide seat 31 and a dip plane 32.Two guiding devices 30 are separately fixed at the inside surface of loam cake 12, and adjacent plane light source 21 corresponding two ends, make two guiding devices 30 in correspondence with each other.It should be noted, the transparent surface 22 of the higher position adjacent plane light source 21 of the dip plane 32 of each guiding device 30, and do not protrude from transparent surface 22.

Each is organized gearing 40 and is made of the gear of facing mutually 41.Each gear 41 turns and is arranged on the position of the dip plane 32 of contiguous guiding device 30, and the spacing of two gears of facing mutually 41 is suitable with the width that penetrates original text 61 (as shown in Figure 1), and the tooth 42 at each gear 41 edge is slightly less than the aperture of the perforation 62 that penetrates original text 61 edges.

Consult Fig. 1, Fig. 3.Fig. 3 is the synoptic diagram of the utility model first embodiment user mode, penetrate original text 61 and penetrate by protection pad 61 1 sides, when the gear 41, the tooth 42 of gear 41 peripheries just inlay card in perforation 62.Along with the rotation with gear 41 of moving that penetrates original text 61, this penetrates original text 61 and is just passed by a side of window 17 along the dip plane 32 of guide seat 31; When penetrating original text 61 when crossing the transparent surface 22 of planar light source 21, just penetrate between the inside surface 14 of protection pad 16 and loam cake 12 by the opposite side of window 17 again, and move along the dip plane 32 of another guide seat 31, combine with tooth 42 on another gear 41.

Like this, penetrating original text 61 can move smoothly owing to the guiding of the dip plane 32 of guide seat 31, by the inlay card of the tooth 42 on each gear 41, and forms laying state stably, thereby can not produce the situation of crooked skew, so for the placement that penetrates original text 61, have effect easy and simple to handle.

When loam cake 12 covers on body 11, the transparent surface 22 of planar light source 21 will penetrate original text 61 and be pressed on the glass vision panel 15 smoothly.So the light of planar light source 21 just can pass through transparent surface 22, and pass and penetrate original text 61 and glass vision panel 15, so that carry out image scanning.

Should propose, owing to planar light source 21, penetrate original text 61 and glass vision panel 15 presents smooth state, so scan depth is accurately controlled within 0.3mm.In other words, the structure of utilizing the foregoing description to disclose can successfully scan and penetrates original text 61 and can obtain clearly image.

Figure 4 shows that another embodiment of gearing 40 of the present utility model.This gearing 40 is made of roller 43 and flexible member 44, and roller 43 is under normal conditions with flexible member 44 and contacts shape.When penetrating original text 61 when being set between roller 43 and the flexible member 44, just can and penetrate friction force between the original text 61 by roller 43, make to penetrate original text 61 and can move smoothly.It should be noted that roller 43 and flexible member 44 are pressed against the edge's (promptly penetrating the position that original text is provided with perforation) that penetrates original text 61, can not cover the image that penetrates in the original text 61 fully.Certainly also roller 43 gear can be replaced as, thereby identical effect can be reached.

Figure 5 shows that the another embodiment of gearing 40.This gearing 40 is made of two relative rollers 43,45.Penetrate original text 61 and pass between two rollers 43,45, the edge that second wheel 43,45 clampings penetrate original text 61 does not cover the image that penetrates original text 61.Utilize roller 43,45 and penetrate the friction force of 61 of original texts, can impel to penetrate original text 61 and move smoothly.Also roller 43 and 45 can be replaced as the gear with double wedge and recessed tooth respectively, cooperatively interacting reaches identical effect.

More than in each example structure of Jie Shiing, the main effect of gearing 40 is that helping to penetrate original text 61 moves.And the tooth 42 of gear 41 and perforation 62 inlay cards that penetrate original text 61, perhaps roller 43 and flexible member 44 clampings penetrate original text 61, or second wheel 43,45 clampings penetrate original text 61, and these all can impel and penetrate original text 61 and can not produce crooked skew easily.

Fig. 6, shown in Figure 7 be the structure of the utility model stop means 50 and the synoptic diagram of its use.The situation that occurs crooked skew when placement penetrates original text 61 can also be set up stop means 50 at contiguous guiding device 30 places.This stop means 50 is made of two catch of facing mutually 51,52, and the spacing between two catch 51,52 is suitable with the width that penetrates original text 61.When penetrating original text 61 when being placed between two catch 51,52, the lateral shift that penetrates original text 61 obviously is restricted, and therefore can not cause crooked situation.

In addition, guiding device 30 is made of two guide plates of facing mutually 33,34.Each guide plate 33,34 is made inclined side 35,36 on the one side away from the inside surface 14 of loam cake 12, the transparent surface 22 of the end adjacent plane light source 21 that each inclined side 35,36 is higher, and do not protrude transparent surface 22.

Like this, penetrate after original text 61 passes one group of catch of facing mutually 51,52, can rise, cross planar light source 21 along the inclined side 35,36 of guide plate 33,34, and descend, and enter in the catch 51,52 that another group faces mutually along inclined side 35,36 of another group guide plate 33,34.

When loam cake 12 covers on body 11, the transparent surface 22 of planar light source 21 will penetrate original text 61 and be pressed on the glass vision panel 15 smoothly.Like this, the light of planar light source 21 just can pass through transparent surface 22, passes and penetrates original text 61 and glass vision panel 15, so that carry out image scanning.

Among each embodiment except loam cake 12 is provided with planar light source 21, planar light source 21, penetrate original text 61 and glass vision panel 15 threes can present smooth shape, make the CIS scanner can finish the scanning that penetrates original text 61 smoothly and obtain clearly outside the image, because scanning member such as guiding device 30, gearing 40 and stop means 50 and loam cake 12 are made one, so stiffening rib in the time of can be further with loam cake 12 injection mouldings, be designed to the structure of guiding device 30 or stop means 50, so that reduce manufacturing cost.

No matter be that guide seat 31 cooperates dip plane 32 formed guiding devices 30, or the guiding device 30 that cooperates inclined sides 35,36 to constitute by the guide plate 33,34 of opposite face, its design concept is to provide oblique structure with corresponding flat light source 21, makes to penetrate original text 61 and can cross planar light source 21 smoothly.So dip plane 32 and inclined side 35,36 are defined as guide portion.

In addition, penetrate original text 61 and refer generally to negative film or positive, itself has color, and is therefore undistorted for the image color that can make the scanning gained, the light source that planar light source 61 can adopt RGB to light in turn.

Consult shown in Figure 1ly, in this embodiment, penetrate the direction that original text 61 is placed, the moving direction (shown in the direction of arrow) of the ray machine 63 that is provided with scanner 10 is vertical.Figure 8 shows that the outside drawing of another embodiment of the utility model, wherein penetrate original text 61 to place direction parallel with the moving direction of ray machine 63.Equally all be provided with guiding device and gearing and/or restraint device (all not showing) between protection pad 16 and the loam cake 12, and the structure of each device is same as the previously described embodiments with action.Just the position that is provided with of each device places direction and difference according to penetrating original text 61, and promptly the Width by loam cake 12 changes the length direction that is located at loam cake 12.

More than be depicted as the preferred embodiment of the utility model at the CIS scanner, same project organization and design concept can be implemented on the CCD scanner.Preferred embodiment and accompanying drawing only are to illustrate for example, are not to be used to limit the utility model, everyly retrofit with the process that is equal to, or implement with the content that claims comprise, and do not break away from the scope that the utility model is protected.

Claims (11)

1. the original text that penetrates of a CIS scanner scans member, penetrates original text in order to scan one, it is characterized in that, the scanning member comprises a loam cake, and it has an outside surface and an inside surface away from described outside surface; One planar light source, it is fixed on the inside surface of loam cake, and described planar light source has the inside surface of a transparent surface away from loam cake; And at least one guiding device, it is fixed on the inside surface of loam cake and the adjacent plane light source, and at least one guiding device has skewed guide portion, in order to guide the described original text that penetrates to planar light source.

2. the original text that penetrates of CIS scanner as claimed in claim 1 scans member, it is characterized in that the position of contiguous guiding device also is provided with a gearing, and described gearing comprises gear.

3. the original text that penetrates of CIS scanner as claimed in claim 1 scans member, it is characterized in that the position of contiguous guiding device also is provided with a gearing, and described gearing is the combination of roller and flexible member.

4. the original text that penetrates of CIS scanner as claimed in claim 1 scans member, it is characterized in that the position of contiguous guiding device also is provided with a gearing, and described gearing is the combination of two rollers.

5. the original text that penetrates of CIS scanner as claimed in claim 1 scans member, it is characterized in that the position of contiguous guiding device also is provided with a stop means, the catch of described stop means for facing mutually.

6. the original text that penetrates of CIS scanner as claimed in claim 1 scans member, it is characterized in that, also be provided with a protection pad on the inside surface of described loam cake, offer a window on the described protection pad, the transparent surface of planar light source is exposed, and the transparent surface of planar light source is concordant with the periphery surface of window.

7. the original text that penetrates of CIS scanner as claimed in claim 1 scans member, it is characterized in that planar light source is the light source that RGB lights in turn.

8. the original text that penetrates of CIS scanner as claimed in claim 1 scans member, it is characterized in that guiding device is for having lopsided guide plate.

9. the original text that penetrates of CIS scanner as claimed in claim 1 scans member, it is characterized in that guiding device is the guide seat with dip plane.

10. the original text that penetrates of CIS scanner as claimed in claim 1 scans member, it is characterized in that the guide portion of guiding device does not protrude from the transparent surface of planar light source.

11. the original text that penetrates of CIS scanner as claimed in claim 1 scans member, it is characterized in that the position of contiguous guiding device also is provided with a gearing, described gearing is the combination of gear and flexible member.

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