CN2358500Y - Multiple resolution scanning model - Google Patents
Multiple resolution scanning model Download PDFInfo
- Publication number
- CN2358500Y CN2358500Y CN 98204578 CN98204578U CN2358500Y CN 2358500 Y CN2358500 Y CN 2358500Y CN 98204578 CN98204578 CN 98204578 CN 98204578 U CN98204578 U CN 98204578U CN 2358500 Y CN2358500 Y CN 2358500Y
- Authority
- CN
- China
- Prior art keywords
- scanning module
- mentioned
- several
- optics
- optical resolution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a multiple resolution scanning pattern assembly used for a platform type scanning apparatus. The utility model comprises a reflecting mirror assembly and a plurality of lenses which can be matched with the reflecting mirror assembly to produce a plurality of optical outputs with different paths and different resolutions, and every different optical outputs are focalized on a sensing apparatus. The utility model is characterized in that the sensing apparatus is provided with sensing elements with the equal number with that of the lenses, and the sensing elements and the lenses are corresponding to each other; at least one output of the electronic signal outputs of the sensing element is output into an image processing element by the control of a control circuit to be used for the subsequent image processing.
Description
The utility model relates to a kind of multi-definition scanning module, be meant especially a kind of plat form type scanning apparatus used have two or more Optical Resolution read functions, and utilize the multi-definition scanning module of on-mechanical move mode switched scan pattern.
When generally using the scanister scanning document, different Optical Resolution and the scan areas that are suitable for are arranged for various multi-form files or contribution type.When for example scanning generic-document, scan the most suitable with the scan area of A4 size and the Optical Resolution of 300DPI, and when reading photochrome, then suitable with the scan pattern of 4 inches 600DPI, and when reading lantern slide or egative film, then must further improve Optical Resolution is 1200DPI, just can obtain satisfied effect, but needed scan area gets final product for about 1 inch.
Common scanister provides fixing a kind of scan pattern at special purpose.The scanister of for example specializing in the scanning document purposes on the market has the scan area of A4 size mostly, and lower Optical Resolution is provided; Specialize in the scanister that reads photo less scan area then is provided, and higher Optical Resolution, therefore the user is when buying scanner, must at first consider its purposes, adopt the scanister of which kind of form with decision, if and the user just must buy the scanister of multiple different size respectively, therefore causes the suitable inconvenience of user when multiple different demand is arranged.
Only have the shortcoming of single Optical Resolution for solving the plain scan device, the multi-definition image read-out appears on the market.A kind of image-scanning device with multi-definition is for example proposed in " many camera lenses switching mechanism ", the camera lens that has many group different optical resolutions in the scanning module of this image read-out, an and single CCD sensing element, and utilize mechanical system to move above-mentioned camera lens, make that the camera lens of different optical resolution is corresponding with the CCD sensing element, thereby reach the purpose of conversion different scanning pattern.
Yet present platform-type multi-definition scanister owing to organize the camera lens of different optical resolutions except installing in its scanning module more, more necessary reservation allows the mobile space of camera lens when the switchable optics resolution, and in addition installing drives the driving mechanism of above-mentioned camera lens, makes that therefore the volume of scanning module of present platform-type multi-definition scanister is considerably huge.
Fundamental purpose of the present utility model provides a kind ofly can effectively dwindle the scanning module volume, and saves the multi-definition scanning module in scanister space.
Another purpose of the present utility model provides a kind of use on-mechanical moving lens mode conversion scan pattern, thus the multi-definition scanning module that structure is simplified.
Another purpose of the present utility model provides a kind of being available for users to according to different demands, switches the multi-definition scanning module of multiple view data read mode.
The utility model is achieved in that it is an optical imagery that is read contribution can be scanned with multiple different optical resolution, and this optical imagery that is read contribution is converted to electronic signal output, comprising: a reflector group, form by some reflecting optics, be used for the above-mentioned optical imagery that is read contribution is transmitted with several different paths; Several camera lenses, the optics that can produce several different paths with above-mentioned reflector group cooperation is exported; One sensing apparatus can be converted to the optics output in above-mentioned each different paths the output of electronic signal; It is characterized in that: this sensing apparatus has and above-mentioned several camera lens equal numbers and mutual corresponding sensing element, and each camera lens can focus on above-mentioned each different optics output on this several sensing element, and makes this several sensing element that some optics outputs are converted to several electronic signal output; And a switching device shifter, can export at least one of the electronic signal output of this several sensing element to a graphics processing unit, to be made for subsequent image processing.
Wherein these several camera lenses have multiple different Optical Resolution, and wherein the Optical Resolution the lowest is positioned at middle position.
Wherein these several camera lenses have multiple different Optical Resolution, and wherein the Optical Resolution soprano is positioned at middle position.
Wherein the Optical Resolution ratio of these several camera lenses is the simple integer ratio.
At least two in these several sensing elements electronic signal output can be merged, and make the optical imagery output of the camera lens corresponding merge the electronic signal output that becomes a combination image with above-mentioned at least two sensing elements.
Wherein further comprise at least one first light source, it can provide a reflection source, be radiated at the above-mentioned surface that is read contribution, and be delivered to this reflecting optics group, and produce several above-mentioned optics outputs via the transmission of above-mentioned reflecting optics group in the reflection mode.
Wherein further comprise at least one secondary light source, it can provide at least one light source that penetrates to be delivered to above-mentioned reflecting optics group to pass the above-mentioned mode that is read contribution, and produces several above-mentioned optics outputs via the transmission of above-mentioned reflecting optics group.
Wherein this secondary light source be one can with the synchronization-moving light source of this scanning module.
Wherein this secondary light source is a tabula rasa.
Wherein this switching device shifter is one to be arranged at the multiplexer between above-mentioned sensing apparatus and the graphics processing unit.
Wherein this multiplexer is provided with a gauge tap of being controlled.
Wherein this multiplexer is provided with a program of being controlled.
Wherein switching device shifter is all control switches.
The used multi-definition scanning module of the utility model and the plat form type scanning apparatus that uses is now compared, and its structure is greatly simplified, and the space of scanning module and volume also significantly dwindle.
Below in conjunction with drawings and Examples, introduce the utility model in detail.
Fig. 1 is the side surface configurations sectional view of the utility model first embodiment;
Fig. 2 is the top plan view of the utility model first embodiment under minimum Optical Resolution state;
Fig. 3 is the sectional side view of the utility model first embodiment under minimum Optical Resolution state;
Fig. 4 is the top plan view of the utility model first embodiment under inferior high Optical Resolution state;
Fig. 5 is the sectional side view of the utility model first embodiment under inferior high Optical Resolution state;
Fig. 6 is the top plan view of the utility model first embodiment under the highest Optical Resolution state;
Fig. 7 is the sectional side view of the utility model first embodiment under the highest Optical Resolution state;
Fig. 8 is the sectional top plan view of the scanning module of the utility model second embodiment;
Fig. 9 is the sectional top plan view of the scanning module of the utility model the 3rd embodiment;
Figure 10 is the side sectional view of the scanning module of the utility model the 4th embodiment;
Figure 11 is the side sectional view of the scanning module of the utility model the 5th embodiment;
Figure 12 is the employed control circuit block diagram of the utility model;
The utility model is a kind of multi-definition scanning module, and being meant especially a kind ofly can provide multiple different optical resolution, and can be in order to read general A4 size file, photo, the multi-definition plat form type scanning apparatus of the contribution of different area such as negative film down.
As Fig. 1-the utility model first embodiment shown in Figure 7, wherein mainly comprise: body 10, its end face have a bogey 20, are used to place one and are read contribution 21, to scan; A scanning module 30, be can along with this bogey 20 on the parallel direction linear reciprocation displacement of the face that is read of the contribution 21 placed; And at least one slide rail 11, be arranged on this body interior, for setting up this scanning module 30.
As shown in Figure 1, above-mentioned first bogey 20 comprises a transparent panel 22, and the cover plate 23 that can be covered on this transparent panel 22, is used for contribution 21 pressings are fixed on this transparent panel 22.
The scanning module 30 of the utility model first embodiment has a housing 31, and housing 31 inside are equiped with a reflector group 40, a lens group 50, a sensing apparatus 60 and one first light supply apparatus 70.
As shown in Figures 1 and 2, this reflector group 40 is made up of several different reflecting optics, above-mentioned first light source 70 can provide a light 71 to shine the surface that is read contribution 21 in this, this light 71 is read after the reflection of contribution 21 via this, via the transmission of this reflector group 40, can form the optics output (repeating after the appearance) that several are advanced with different paths again.50 51,52,53 on camera lenses by a plurality of different optical resolutions of above-mentioned lens group are formed, and the optics output of this reflector group 40 can be focused on projection on above-mentioned sensing apparatus 60, and make this optics output change an electronic signal output into.
To shown in Figure 7, the utility model first embodiment can provide the scan pattern of three kinds of different optical resolutions as Fig. 2.As shown in Figure 2, the camera lens 51,52,53 among this lens group 50 is installed on the support body 32 of these housing 31 inside side by side, and under the scan pattern of different optical resolution, employed camera lens is also inequality.
Simultaneously because required light path or the object image distance of the camera lens of different optical resolution separates not different, (light path is meant by the surface that is read contribution and begins, arrive the distance of image sensering device via reflecting optics and camera lens), therefore under the scan pattern of various different optical resolutions, utilize the combination of the different reflecting optics among this reflector group 40 and this optical imagery that is read contribution 21 is delivered to this camera lens 51,52,53, and form several different optics output with different paths.
Because general scanister in use, large-sized contribution is (as file, the large tracts of land picture) be to scan than the low optical resolution, and the contribution of the higher Optical Resolution of needs is (as photo, egative film), its area is less usually, therefore lens group 50 camera lens 51 that Optical Resolution is minimum of the utility model first embodiment is arranged in the middle position of the body 10 that is positioned at scanning module, make this camera lens 51 can obtain maximum sweep limit, therefore as shown in Figure 2, when with minimum Optical Resolution mode scanning, be placed on and hold the middle position of the transparent panel 22 that cuts device 20 being read contribution 21.
Simultaneously, the utility model is arranged in the dual side-edge of camera lens 51 with Optical Resolution time camera lens 52,53 high and that Optical Resolution is the highest, and when high and the highest Optical Resolution scans in proper order, is read the dual-side position that contribution should be placed on bogey 20.
As Fig. 2 to shown in Figure 7, the reflecting optics 45,46,47 that 41,42,43,44 and three of reflector group 40 several reflecting optics of the present utility model are corresponding with camera lens 51,52,53 respectively.
The situation of the utility model as shown in Figure 2 to Figure 3 under minimum Optical Resolution pattern.The dotted line that in Fig. 3, is indicated for the optical imagery that is read contribution 21 observed by the side in the path of scanning module 30 internal delivery, the dotted line of being drawn among Fig. 2 then is the bang path of the optical imagery under first kind of Optical Resolution pattern of being observed by scanning module 30 tops.
When the utility model scanning module is separated under the pattern of plate degree at minimum optics, the optical imagery that is read contribution 21 via reflecting optics 41,42,43,44 reflections after, import light into this camera lens 51 via the reflection of this reflecting optics 45 again, therefore formed the optics output 81 of first kind of Optical Resolution.
Because the scan area maximum that is provided under this pattern, therefore after the image of the contribution that is read 21 reflects through the maximum reflecting optics in the reflector group 40, be delivered to again among this camera lens 51, therefore make that the optical path length of this first kind of optics output 81 is the longest, and the sweep limit that is obtained is also maximum.
Arrive shown in Figure 5 as Fig. 4, under the pattern of the utility model scanning module at inferior high Optical Resolution, be read after four secondary reflections of optical imagery via reflecting optics 41,42 of contribution 21, just by the reflection of the reflecting optics 46 corresponding light refraction is gone into this camera lens 52, therefore formed the optics output 82 of second kind of Optical Resolution with camera lens 52.Optical imagery reduces via the number of times of reflector group 40 reflections under this pattern, so its optical path length also shortens.
In addition as Figure 6 and Figure 7, the utility model is under the highest Optical Resolution pattern, the optical imagery that is read contribution 21 is via after catoptron 41,42 reflections, just by the reflection of the reflecting optics 47 corresponding light refraction is gone into this camera lens 53, therefore formed the optics output 83 of the third Optical Resolution with camera lens 53.The least number of times that optical imagery under this state transmits via reflector group 40 reflections, so its optical path length is also the shortest.
Because the action that plat form type scanning apparatus is used for the stepper motor of driven sweep module must cooperate the Optical Resolution of camera lens and be adjusted, so that each step distance of stepper motor or its multiple equal the distance (for example the step distance of stepper motor is necessary for 1/600 inch during 600DPI) of the pixel (Pixel) of scanner under various Optical Resolutions, the step distance of adding stepper motor is merely able to adjust in the mode of simple integer ratio (as 1: 2: 3 or 1: 2: 4), so each camera lens 51 in the utility model lens group 50,52, but 53 Optical Resolution also matching design is the ratio (as: 300dpi of employing simple integer ratio, 600dpi, and the ratio of 1200dpi, or 400dpi, 800dpi, the ratio of 1200dpi).
The main feature of the utility model be in this sensing apparatus 60, have three respectively with camera lens 51,52, the 53 mutual corresponding sensing elements 61,62,63 of various different optical resolutions.Sensing element 61,62,63 used among this embodiment is the CCD optical coupling element.It can be converted to aforementioned optics output the output of electric signal.Position as Fig. 2, Fig. 4 and this sensing element 61,62,63 shown in Figure 6 is aimed at mutually with aforementioned camera lens 51,52,53 respectively, and is merely able to receive respectively optics that camera lens the passed over output corresponding with it.Therefore cooperatively interact by this sensing element 61,62,63 and camera lens 51,52,53, just the output of the optics under aforementioned three kinds of different optical resolution patterns 81,82,83 can be converted to three kinds of electronic signal outputs under the different optical resolution pattern.
As shown in figure 12, in the control circuit of the utility model scanning module, be sent to a Flame Image Process and control module 91 by one of them electronic signal output of the above-mentioned sensing element of a multiplexer 90 control 61,62,63, the electronic signal that will handle via this Flame Image Process and control module is exported and is sent to computer 92 and does subsequent treatment again.Also comprise user's interface unit 93 in addition in this control circuit, control the pattern of scanister and switched scan for the user, and a drive system 94, be used to drive moving of this scanning module.
The change action of above-mentioned multiplexer 90 can be assigned instruction via the user from user's interface unit 93 makes this multiplexer 90 produce change action, and also can issue an order in the mode of software control from computer 92 makes multiplexer 90 produce change action.Circuit Design of the present utility model in addition also can change to this multi-function device a change-over switch, directly controls the change action of the electronic signal output of sensing element 61,62,63 with change-over switch for the user.
The utility model is by above design, because the camera lens 51 of each different optical resolution, 52,53 have the sensing element 61 of a correspondence respectively, 62,63, when therefore switching the different scanning pattern, the mode that can control by circuit fully, make three sensing elements 61,62,63 one of them electronic signal outputs are sent to Flame Image Process and control module, fully need n't moving lens 51,52,53 and reflector group 40 in any one reflecting optics, therefore make the utility model scanning module 30 inside needn't reserve the mobile space of lens group 50, also needn't install the drive unit that drives lens group 50, therefore make the simple structure of this scanning module 30, space and volume also can dwindle.
As shown in Figure 8 be second kind of embodiment of the present utility model, this second embodiment is that the camera lens 51A with a minimum Optical Resolution is arranged in the middle position of scanner, and the camera lens 52A that two Optical Resolutions is higher, 53A device are in the dual-side position of camera lens 51A.The main feature of this embodiment is that this camera lens 52A, 53A have identical Optical Resolution, the camera lens 51A that can utilize minimum Optical Resolution when this scanner scans scans the entire area of whole bogey, and one of them that also can utilize camera lens 52A, 53A scans with the opposed area of higher Optical Resolution to the transparent panel 22 of bogey 20.This second embodiment more can make the scanning area of this two camera lens 52A, 53A have only half the width of transparent panel 22 of bogey 20 respectively in addition, the electronic signal that sensing element 62A, 63A that then will be corresponding with camera lens 52A, 53A produced is merged forms a synthetic electronic signal, and the image that these two camera lenses 52A, 53A are scanned is merged, therefore can obtain under the higher Optical Resolution pattern with low optical resolution pattern under identical scan area.
As shown in Figure 9 be the 3rd embodiment of the present utility model, the lens group 50B of the 3rd embodiment camera lens 51B of high Optical Resolution is arranged in the middle position of scanner, and two optics are resolved the both sides that lower camera lens 52B, 53B are arranged in camera lens 51B.This embodiment can utilize camera lens 51B with the highest Optical Resolution a part of zone of transparent panel 22 central authorities of bogey 20 to be scanned, one of them that also can utilize camera lens 52B, 53B scans the left side of the transparent panel 22 of bogey 20 or the subregion on right side with lower Optical Resolution, or utilize the image of camera lens 52B, 53B to be merged, and scan with the area of lower Optical Resolution to the transparent panel 22 of whole bogey 20.
As shown in figure 10 be the 4th embodiment of the present utility model, the 4th embodiment is replaced by a manuscript passing-through light source 72 with the pressing plate 23 of bogey 20, these manuscript passing-through light source 72 inside be equiped with one can with scanning module 30 synchronization-moving secondary light sources 73.This secondary light source 73 can provide one to penetrate light 74, what this penetrated that light 74 can penetrate transparent panel 22 end faces that are placed on bogey 20 penetrates contribution 24, and then this optical imagery that penetrates contribution 24 is focused on this sensing apparatus 60, and this optical imagery that penetrates contribution 24 is read via this reflector group 40 and lens group 50.
As shown in figure 11 be the utility model the 5th embodiment, the 5th embodiment also is one and penetrates contribution and the general structure of reflection contribution, itself and the 4th embodiment difference are that device has a tabula rasa that can not move 76 among the manuscript passing-through light source 75, the penetrable mistake of the light of tabula rasa 76 penetrates contribution 24, and the optical imagery that penetrates contribution 24 is read.
Claims (13)
1, a kind of multi-definition scanning module, it is an optical imagery that is read contribution can be scanned with multiple different optical resolution, and this optical imagery that is read contribution is converted to electronic signal output, comprising: a reflector group, form by some reflecting optics, be used for the above-mentioned optical imagery that is read contribution is transmitted with several different paths; Several camera lenses, the optics that can produce several different paths with above-mentioned reflector group cooperation is exported; One sensing apparatus can be converted to the optics output in above-mentioned each different paths the output of electronic signal; It is characterized in that: this sensing apparatus has and above-mentioned several camera lens equal numbers and mutual corresponding sensing element, and each camera lens can focus on above-mentioned each different optics output on this several sensing element, and makes this several sensing element that some optics outputs are converted to several electronic signal output; And a switching device shifter, can export at least one of the electronic signal output of this several sensing element to a graphics processing unit, to be made for subsequent image processing.
2, multi-definition scanning module as claimed in claim 1 is characterized in that: wherein these several camera lenses have multiple different Optical Resolution, and wherein the Optical Resolution the lowest is positioned at middle position.
3, multi-definition scanning module as claimed in claim 1 is characterized in that: wherein these several camera lenses have multiple different Optical Resolution, and wherein the Optical Resolution soprano is positioned at middle position.
4, multi-definition scanning module as claimed in claim 1 is characterized in that: wherein the Optical Resolution ratio of these several camera lenses is the simple integer ratio.
5, multi-definition scanning module as claimed in claim 1, it is characterized in that: at least two in these several sensing elements electronic signal output can be merged, and make the optical imagery output of the camera lens corresponding merge the electronic signal output that becomes a combination image with above-mentioned at least two sensing elements.
6, multi-definition scanning module as claimed in claim 1, it is characterized in that: wherein further comprise at least one first light source, it can provide a reflection source, be radiated at the above-mentioned surface that is read contribution, and be delivered to this reflecting optics group, and produce several above-mentioned optics outputs via the transmission of above-mentioned reflecting optics group in the reflection mode.
7, multi-definition scanning module as claimed in claim 1, it is characterized in that: wherein further comprise at least one secondary light source, it can provide at least one light source that penetrates to be delivered to above-mentioned reflecting optics group to pass the above-mentioned mode that is read contribution, and produces several above-mentioned optics outputs via the transmission of above-mentioned reflecting optics group.
8, multi-definition scanning module as claimed in claim 7 is characterized in that: wherein this secondary light source be one can with the synchronization-moving light source of this scanning module.
9, multi-definition scanning module as claimed in claim 7 is characterized in that: wherein this secondary light source is a tabula rasa.
10, multi-definition scanning module as claimed in claim 1 is characterized in that: wherein this switching device shifter is one to be arranged at the multiplexer between above-mentioned sensing apparatus and the graphics processing unit.
11, multi-definition scanning module as claimed in claim 10 is characterized in that: wherein this multiplexer is provided with a gauge tap of being controlled.
12, multi-definition scanning module as claimed in claim 10 is characterized in that: wherein this multiplexer is provided with a program of being controlled.
13, multi-definition scanning module as claimed in claim 1 is characterized in that: wherein switching device shifter is all control switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98204578 CN2358500Y (en) | 1998-05-20 | 1998-05-20 | Multiple resolution scanning model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98204578 CN2358500Y (en) | 1998-05-20 | 1998-05-20 | Multiple resolution scanning model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2358500Y true CN2358500Y (en) | 2000-01-12 |
Family
ID=33961148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98204578 Expired - Fee Related CN2358500Y (en) | 1998-05-20 | 1998-05-20 | Multiple resolution scanning model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2358500Y (en) |
-
1998
- 1998-05-20 CN CN 98204578 patent/CN2358500Y/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7633656B2 (en) | Image reading unit and image reading apparatus having the same | |
| CN101385326B (en) | Linear illuminating apparatus and image reader using it | |
| US20060023266A1 (en) | Image reading apparatus | |
| US20060044625A1 (en) | Image reading apparatus | |
| CN1338665A (en) | Image sensor and pick-up device | |
| CN1205588C (en) | Image reading apparatus | |
| CN101035183A (en) | Scanner with dual-charge coupling component array and its scanning method | |
| CN2358500Y (en) | Multiple resolution scanning model | |
| US7433092B2 (en) | Transparency media adapter and methods of use thereof | |
| US20090251741A1 (en) | Scanner with led light source | |
| US7021541B2 (en) | Original illuminating apparatus and image reader having the same | |
| JP3181782B2 (en) | Image reading device | |
| US6762862B2 (en) | High resolution scanner | |
| CN1247993A (en) | Multiple analytical-density image reading device | |
| CN2479530Y (en) | Multi-resolution scanning device | |
| US20020159099A1 (en) | Optical scanner | |
| CN1110768C (en) | Refrection/peneting type scanner | |
| CN2670974Y (en) | Optical mechanism for increasing scanning optical distance, paper feeding mechanism and service apparatus | |
| CN2475088Y (en) | Scanning device capable of mounting automatic paper feeder | |
| CN2330015Y (en) | Multi-analyzing degree table image document reader | |
| CN2720463Y (en) | Optical system of scanning device | |
| CN2459708Y (en) | Analyticity convertable optic scanner | |
| CN1255697C (en) | Requlatable scanning module | |
| CN1226651C (en) | Optical source colour-adjusting apparatus and method | |
| CN2454825Y (en) | Reflection-penetration type scanning apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |