CN1484432A - Double-side image scanning module and scanning method thereof - Google Patents
Double-side image scanning module and scanning method thereof Download PDFInfo
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- CN1484432A CN1484432A CNA021427577A CN02142757A CN1484432A CN 1484432 A CN1484432 A CN 1484432A CN A021427577 A CNA021427577 A CN A021427577A CN 02142757 A CN02142757 A CN 02142757A CN 1484432 A CN1484432 A CN 1484432A
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Abstract
A double-side image scanning module is suitable for files with a first side and a second corresponding side having a paper feeding device and an image pick up device in which, the paper feeding device has a file supply and transfer channel for transferring passing files, the file supply and transfer channel is divided into a first scanning zone for scanning first face of the file, a second scanning zone aligned with the first for scanning the second side. A file return zone is placed between the first and second scanning zones for returning the transferred passing file. Multiple drive components are set along the file transfer channel. The image pick up device is aligned with the two scanning zones for scanning first and second side of files passing through the zone individually.
Description
Technical field
The invention relates to a kind of image scanning module and scan method thereof, and particularly relevant for single image capture unit of a kind of use and light source compensation way, with the two plane type image scanning module and the scan method thereof of the duplex scanning that carries out file.
Background technology
Along with the progress and the fast development of electronics industry, electronics industry has become one of most important industry in the modern society, and multiple high performance computing system also arises at the historic moment thereupon, and existing increasing electronic product is used in daily life continually.In recent years, because the enhancings of product on processing speed and data storage such as processor and computer make the usefulness of graphics process significantly increase, and image processing arrangement such as being optical scanner or digital camera, also uses more continually.
Generally speaking, known scanner is mostly to scan the image of single face.If need the two-sided image of scanning document, then manually page turning or utilize two image capture units to scan.Please refer to Fig. 1, Figure 1 shows that known a kind of two plane type image scanning module that uses two image capture units with the two sides of reading file.As shown in Figure 1, this two plane type image scanning module 100 comprises: U type slewing equipment 102, first transparency window 104, first image capture unit 106, second transparency window 108, second image capture unit 110.
Please continue with reference to Fig. 1, when using this two plane type image scanning module 100 to scan, file (not icon) is by paper feed direction 112 paper feeds, and gradually file is inducted into U type slewing equipment 102 by roller 114.File can pass through first transparency window 104 during paper feed.First image capture unit 106 is arranged on the below of first transparency window 104, to read the first face picture of file during by first transparency window 104 at file.And in U type slewing equipment 102, be provided with roller 116, with advancing of leader files.
Second image capture unit 110 is arranged at the below of second transparency window 108.When file is withdrawed from by U type slewing equipment 102, and during by second transparency window 108, second image capture unit 110 that is positioned at second transparency window, 108 belows just can read the image of second of file, and with roller 118 file is guided to paper delivery direction 120.
Yet above-mentioned two plane type image scanning module 100 must use two image capture units 106,110, thereby can make on the structure of two plane type image scanning module 100 integral body comparatively complicated.And, the installation position of first image capture unit 106, be positioned at the top of second image capture unit 110 and second transparency window 108, so the very difficult reduction downwards again of the height of two plane type image scanning module 100, thereby make two plane type image scanning module 100 have bigger volume.
Summary of the invention
Purpose of the present invention is providing a kind of two plane type image scanning module and scan method thereof, can use the mode of single image capture unit and light source compensation, to carry out the two-sided image scan of file.
Another object of the present invention is providing a kind of two plane type image scanning module and scan method thereof, can dwindle the volume of two plane type image scanning module, to save manufacturing cost.
The present invention proposes a kind of two plane type image scanning module, be suitable for scanning have first with second relative file, this two plane type image scanning module has paper carrier and image capture unit.This paper carrier has file and supply with to transmit passage, and in order to transmitting file, and file is supplied with and transmitted passage and be divided into: first scanning area, and in order to first of scanning document.Second scanning area, first scanning area that aligns is in order to second of scanning document.The file turning circle between first scanning area and second scanning area, is used so that transmit the file counter-rotating of process.A plurality of driving members are supplied with the transmission passage along being located at file, in order to transmit file.Image capture unit align first scanning area and the second scanning area setting, in order to individual scanning through first of the file of first scanning area and second scanning area with second.
The present invention proposes a kind of scan method of two plane type image scanning module, be suitable for scanning have first with second file.When scanning document two-sided, at first, the file that file is conveyed into the two plane type file scan module is supplied with and is transmitted passage, and when file transmitted through light transmission passage, first of file towards image capture unit.Then, with first image of image capture unit scanning document.Then, supply with transmission channel transfer file along file, when transmitting the light transmission passage of process differing heights at file, second of file towards image capture unit.Thereafter, with second image of image capture unit scanning document.
Description of drawings
Fig. 1 is the side-looking generalized section of known a kind of two plane type image scanning module;
Fig. 2 is the side-looking generalized section according to a kind of two plane type image scanning module of first embodiment of the invention;
Fig. 3 is the flow chart of a kind of two plane type image scanning module when carrying out duplex scanning according to first embodiment of the invention;
Fig. 4 A to Fig. 4 B is the side-looking generalized section according to the two plane type image scanning module of the scanning flow process of Fig. 3;
Fig. 5 is the flow chart of a kind of two plane type image scanning module when carrying out duplex scanning according to second embodiment of the invention;
Fig. 6 A to Fig. 6 B is the side-looking generalized section according to the two plane type image scanning module of the scanning flow process of Fig. 5; And
Fig. 7 A to Fig. 7 B is the side-looking generalized section according to the two plane type image scanning module of the scanning flow process of Fig. 5 of third embodiment of the invention.
100,200: the two plane type image scanning module
102:U type slewing equipment
104: the first transparency windows
106: the first image capture units
108: the second transparency windows
110: the second image capture units
112,232: paper feed direction
114,116,118,205,219A, 219B, 221: roller
120,234: the paper delivery direction
202: paper carrier
204a: file turning circle
204b: paper feed port
204c: exit slot
208,408,608: image capture unit
208a, 408a: light source
208b: reflector
208c: lens
208d: image capture element
212: light transmission passage
214: the first scanning areas
216: the second scanning areas
218,220: the file transit area
222: file
224: the first
226: the second
230,240: transducer
S302, S304, S306, S308, S310, S312, S314, S502, S504, S506, S508, S510, S512, S514: step
D: image capture unit is to the distance of file
Embodiment
First embodiment
Please refer to Fig. 2, Fig. 2 is the side-looking generalized section according to a kind of two plane type image scanning module of first embodiment of the invention, and the two plane type image scanning module 200 of first embodiment of the invention mainly is made of paper carrier 202 and image capture unit 208.
Wherein paper carrier 202 comprises that file supply with to transmit passage 204, transmits in order to the file (not icon) that will be scanned to enter file and supply with and transmit passage 204 and send out.And file is supplied with transmission passage 204 and is more divided into three zones, and comprising: file transit area 218 is connected to paper feed port 204b.File transit area 220 is connected to exit slot 204c.File turning circle 204a is arranged between file transit area 218 and the file transit area 220.First scanning area 214 is formed on the file transit area 218, and second scanning area 216 is formed on the file transit area 220, and file turning circle 204a is preferably and is arranged between first scanning area 214 and second scanning area 216.When paper carrier 202 when vertically being provided with, that is be, when file vertically enters paper carrier 202 and during by paper carrier 202 vertical discharges, first scanning area 214 and second scanning area 216 are aligned with each other in horizontal direction.Otherwise, when paper carrier 202 is horizontally set, that is be when the file level enters paper carrier 202 and discharged by paper carrier 202 levels, to be preferably first scanning area 214 and to be positioned at the top of second scanning area 216 and to align second scanning area 216.In Fig. 2, paper carrier 202 enters the file level and level is discharged paper carrier 202.Therefore, in present embodiment, first scanning area 214 is positioned at the top of second scanning area 216 and aligns second scanning area 216.
In order to use the two-sided of single image capture unit 208 scanning documents, form a light transmission passage 212 by first scanning area, 214 extend pasts, second scanning area 216 to image capture unit 208 so that light can pass through by.On first scanning area 214 and second scanning area 216, also transparency window can be set, wherein the material of transparency window for example is clear glass or transparent plastic, even,, for example can also use the window that transparent material constituted that only can make specific wavelength or light penetration according to special demand.U type file in this enforcement is supplied with and is transmitted passage 204, light transmission passage 212 is that vertical file transit area 218 is provided with file transit area 220, therefore light can be advanced between first scanning area 214 and image capture unit 208, also or between second scanning area 216 and image capture unit 208 advances.
This paper carrier 202 more comprises the image sensor 230 and 240 that is installed in file transit area 218 and file turning circle 204a individually, and therefore, file can be detected before through first scanning area 214 and second scanning area 216.Transducer 230,240 is electrically connected or light is connected to image capture unit 208, and activates image capture unit 208 to read file according to the result of detecting.For example, enter file and supply with and transmit passage 204 and detected when file transmits by transducer 230, then transducer 230 generations and output signal are to activate image capture unit 208, and file will be scanned when the face of image capture unit 208 transmits through first scanning area 214.Detected through file turning circle 204a and by transducer 240 in the file transmission, then file will be scanned by image capture unit 208 when transmitting through second scanning area 216 towards the face of image capture unit 208.
In addition, control that transducer 230 and 240 more can be manual is opened or is closed, that is is, when the user only desires first of scanning document, transducer 230 is opened and transducer 240 is cut out.When desiring the two sides of scanning document, transducer 230 and 240 is all opened.If when only desiring second of scanning document, transducer 230 cuts out and transducer 240 is opened.The On/Off operation of transducer please refer to table 1 with the relation of scan operation.Therefore, this two-sided image scanning module can not only duplex scanning, also can be according to two-sided arbitrary of function selecting scanning document.
Table 1
Flow chart when Fig. 3 carries out the duplex scanning of file for using two plane type image scanning module 200 shown in Figure 2.Fig. 4 A to Fig. 4 B is the step schematic diagram of file paper feed and scanning.
Please be simultaneously with reference to Fig. 3 and Fig. 4 A, at step S302, file 222 enters paper carrier 202 by the direction of arrow 232.Before file 222 is near first scanning area 224 or when file 222 during near first scanning area 224, the user can determine first 224 of scanning document 222 whether and/or second 226.As above-mentioned,, be able to first 224 or second 226 of corresponding detecting/scanning document 222 by On/Off (activation or forbidden energy) transducer 230 and/or 240.At step S304, if not first of scanning document 222 224, then transducer 230 for forbidden energy and image capture unit 208 for not activating.At step S308, file 222 transmits through first scanning area 214, counter-rotating and near second scanning area 216 when transmitting through file turning circle 204a again.Otherwise, if in first 224 of step S304 scanning document 222, then transducer 230 activations and send signal, with in the image information of file 222 first 224 of time acquisition through first scanning area 214, and the adjustable light source 208a of image capture unit 208 is adjusted according to image information, then in first 224 of step S306 scanning.Similarly, after file 222 leaves first scanning area 214, counter-rotating and when transmitting near second scanning area 216 through file turning circle 204a.
First 224 mechanism of scanning document 222 is shown in Fig. 4 A.Shown in Fig. 4 A, when file 222 was positioned at first scanning area 214, first 224 towards light transmission passage 212, and therefore first 214 image can be read by image capture unit 208.Light source 208a is incident to first 224 of file 222, and first 224 image reflection of file 222 also is incident upon reflector 208b, and reflector 208b comprises a speculum.Image is reflected after the device 208b reflection, and image is via the collimation of lens 208c, conversion or to the defocused image capture element 208d that is incident to.
When file 222 enters second scanning area 216, similarly, when not scanning second 226 in step S310,240 forbidden energy of transducer, image capture unit 208 does not also activate then.In step S314, file 222 is sent out image scanning module 200 via file transit area 220 then.If in second 226 of step S310 scanning, then transducer 240 activations and send signal are with in the image information of file 222 second 226 of acquisition during through second scanning area 216.Light source 208a is adjusted according to second 226 image information then, and in second 226 of step S312 scanning.After second 226 of step S312 scanning, in step S314, file 222 is sent out paper carrier 202 (two plane type image scanning module 200) along the direction of arrow 234.
Similarly, second 226 mechanism of scanning is shown in Fig. 4 B.In Fig. 4 B, after file 222 reverses via file turning circle 204a.File 222 is arranged at second scanning area 216, and second 226 is provided with towards image capture unit 208.Therefore, image capture unit 208 can capture second 226 image.
Even, in step S306 and step S312, for example to be light-source brightness with the angle that is incident to first 224 and second 226 can adjust the parameter of light source 208a and carry out light source and compensate, so that via first 224 with second 226 not Fan She light have identical reflection path, and first 224 image with second 226 that image capture element 204d is received has identical brightness.That is be that by adjustment light source 208a, and first 224 and second 226 the image that image capture element 208d is read has identical quality.
Second embodiment
The two plane type image scanning module 200 of second embodiment of the invention mainly is made of paper carrier 202 and image capture unit 408.Even, because the paper carrier 202 of second embodiment of the invention has identical structure with the paper carrier of the image capture unit 408 and first embodiment 202 and image capture unit 208, therefore is relevant to the two plane type image scanning module 200 of second embodiment please equally with reference to Fig. 2.
The configuration of the paper carrier 202 in the present embodiment, structure and function are identical at the described paper carrier of first embodiment 202, therefore omit its narration.
Image capture unit 408 (please refer to Fig. 2 208) is the direction according to paper carrier 202, and level or vertical alignment are in first scanning area 214 and second scanning area 216.Image capture unit 408 comprises light source 408a (please refer to the 208a of Fig. 2), reflector 208b, lens 208c and image capture element 208d, image capture element 208d for example be charge coupled cell (Charge Coupled Device, CCD).Reflector 208b, lens 208c are arranged at the appropriate location and are incident upon image capture element 208d with the light that leader files reflects.In present embodiment, image capture unit 408 for example is to be installed on the drive unit of icon not, so that image capture unit 408 can move to adjust the distance of the image capture unit 408 and first scanning area 214, second scanning area 216.And light source 408a can use general employed fixed light source in present embodiment, can also use the described adjustable light source of first embodiment.
The paper carrier 202 of present embodiment similarly comprises the image sensor 230 and 240 that is installed in file transit area 218 and file turning circle 204a individually.And, be relevant to transducer 230 and 240 function and operating principle by identical with above-mentioned first embodiment, therefore do not repeat them here.
Flow chart when Fig. 5 carries out the duplex scanning of file for the two plane type image scanning module 200 of present embodiment.Fig. 6 A to Fig. 6 B is the step schematic diagram of file paper feed and scanning.
Please be simultaneously with reference to Fig. 5 and Fig. 6 A, at step S502, file 222 enters paper carrier 202 by the direction of arrow 232.Before file 222 is near first scanning area 224 or when file 222 during near first scanning area 224, the user can determine first 224 of scanning document 222 whether and/or second 226.As above-mentioned,, be able to first 224 or second 226 of corresponding detecting/scanning document 222 by On/Off (activation or forbidden energy) transducer 230 and/or 240.At step S304, if not first of scanning document 222 224, then transducer 230 for forbidden energy and image capture unit 408 for not activating.At step S508, file 222 transmits through first scanning area 214, counter-rotating and near second scanning area 216 when transmitting through file turning circle 204a again.Otherwise, if in first 224 of step S504 scanning document 222, then transducer 230 activations and send signal, by drive unit image capture unit 408 is risen to file 222 distances and be the position of D, and in the image information of file 222 first 224 of time acquisition, then in first 224 of step S506 scanning through first scanning area 214.Similarly, after file 222 leaves first scanning area 214, counter-rotating and when transmitting near second scanning area 216 through file turning circle 204a.
First 224 mechanism of scanning document 222 is shown in Fig. 6 A.As shown in Figure 6A, when file 222 was positioned at first scanning area 214, first 224 towards light transmission passage 212, and therefore first 214 image can be read by image capture unit 408.Light source 408a is incident to first 224 of file 222, and first 224 image reflection of file 222 also is incident upon reflector 208b, and reflector 208b comprises a speculum.Image is reflected after the device 208b reflection, and image is via the collimation of lens 208c, conversion or to the defocused image capture element 208d that is incident to.
When file 222 enters second scanning area 216, similarly, when not scanning second 226 in step S510,240 forbidden energy of transducer, image capture unit 408 does not also activate then.In step S514, file 222 is sent out image scanning module 200 via file transit area 220 then.If in second 226 of step S510 scanning, then transducer 240 activations and send signal, make image capture unit 408 drop to the position that with file 222 distance be similarly D by drive unit this moment, with in the image information of file 222 second 226 of acquisition during through second scanning area 216.And in second 226 of step S512 scanning.After second 226 of step S512 scanning, in step S514, file 222 is sent out paper carrier 202 (two plane type image scanning module 200) along the direction of arrow 234.
Similarly, second 226 mechanism of scanning is shown in Fig. 6 B.In Fig. 6 B, after file 222 reverses via file turning circle 204a.File 222 is arranged at second scanning area 216, and second 226 is provided with towards image capture unit 408.Therefore, image capture unit 408 can capture second 226 image.
Owing in step S506 and step S512,, therefore can make the image capture unit 408 and the distance of file 222 remain equidistant by adjusting the height/upper-lower position of image capture unit 408.That is be that by the height/upper-lower position of adjustment image capture unit 408, and first 224 and second 226 the image that image capture element 208d is read has identical quality.
The 3rd embodiment
The two plane type image scanning module 200 of third embodiment of the invention mainly is made of paper carrier 202 and image capture unit 608.
The configuration of the paper carrier 202 in the present embodiment, structure and function are identical at the described paper carrier of first embodiment 202, therefore omit its narration.
Please refer to Fig. 7 A and Fig. 7 B, image capture unit 608 is the directions according to paper carrier 202, and level or vertical alignment are in first scanning area 214 and second scanning area 216.In present embodiment, image capture unit 608 for example is to be installed on the drive unit of icon not, so that image capture unit 608 can move to adjust the distance of the image capture unit 608 and first scanning area 214, second scanning area 216.Even image capture unit 608 has suitable size,, make image capture unit 608 can press close to first scanning area 214 and second scanning area 216 so that image capture unit 608 can enter in the light transmission passage 212.Wherein image capture unit 608 for example be can use charge coupled cell (Charge Couple Device, CCD), can also use contact image sensor (Contact Image Sensor, CIS).
The paper carrier 202 of present embodiment similarly comprises the image sensor 230 and 240 that is installed in file transit area 218 and file turning circle 204a individually.And, be relevant to transducer 230 and 240 function and operating principle by identical with above-mentioned first embodiment, therefore do not repeat them here.
Flow chart when please be equally carrying out the duplex scanning of file with the two plane type image scanning module 200 of explanation present embodiment with reference to Fig. 5.Even, in the explanation of flow chart, omit the part identical with second embodiment, different part only is described.
The different part of present embodiment and above-mentioned second embodiment is that image capture unit 608 can enter in the light transmission passage 212.Therefore, if in first 224 of step S504 scanning document 222, then transducer 230 activations and send signal, by drive unit image capture unit 608 being risen enters in the light transmission passage 212, and move to the position of first scanning area 214, in the image information of file 222 first 224 of time acquisition, then in first 224 of step S506 scanning through first scanning area 214.
And, if in second 226 of step S510 scanning, then transducer 240 activations and send signal, make image capture unit 608 drop to press close to the position of second scanning area 216 by drive unit this moment, with in the image information of file 222 second 226 of acquisition during through second scanning area 216.And in second 226 of step S512 scanning.
Owing in step S506 and step S512, press close to first scanning area 214 and second scanning area 216 individually, therefore can make the image capture unit 608 and the distance of file 222 remain equidistant by the position of adjusting image capture unit 608.That is be that by the position of adjustment image capture unit 608, and first 224 and second 226 the image that image capture unit 608 is read has identical quality.In addition, because image capture unit 608 is close to corresponding scanning area when scanning document 222, so image capture unit 608 not only can use charge coupled cell, also is suitable for using contact image sensor.
In addition, U type file shown in Fig. 2, Fig. 4 A, Fig. 4 B, Fig. 6 A, Fig. 6 B, Fig. 7 A and Fig. 7 B of above-mentioned first embodiment, second embodiment and the 3rd embodiment is supplied with and is transmitted passage 204, wherein the distance between the length of file turning circle 204a or first scanning area 214 and second scanning area 216 is preferably the length greater than scanned document 222.Even file is supplied with needing on each the part viewable design that transmits passage 204 and is adjusted, and can be applicable to various scanners.
In sum, by installing two transducers, with first and second of the preceding sensing file that enters light transmission passage in file, first of file and second image can be controlled at identical quality.Moreover the unlatching by switching transducer or/and close then can use identical two plane type image scanning module to select arbitrary single face of scan-image or two-sided.
And because this image scanning module only needs an image capture unit, so structure is comparatively simple, and the height of two plane type image scanning module can reduce again, so image scanning module has smaller volume and can save production cost.
Claims (34)
1. a two plane type image scanning module is suitable for scanning a file, wherein this document have one first with relative one second, it is characterized in that this module comprises:
One paper carrier, this paper carrier has:
One file is supplied with and is transmitted passage, and this channel transfer this document, this document are supplied with the transmission passage and more comprised:
One first scanning area, its scanning this first of this document;
One second scanning area, this first scanning area that aligns, its scanning this second of this document; And
One file turning circle, between this first scanning area and this second scanning area, it makes this document counter-rotating of transmission; And
A plurality of driving members are supplied with the transmission passage along being located at this document, and it transmits this document; And
One image capture unit, align this first scanning area and this second scanning area, its individual scanning is through this first and this second of this document of this first scanning area and this second scanning area.
2. two plane type image scanning module as claimed in claim 1, it is characterized in that, this paper carrier more comprises a light transmission passage, this light transmission passage by this first scanning area and this second scanning area to this image capture unit, make light can be individually in this image capture unit and be arranged between this first of this document of this first scanning area and advance, and make light can be individually in this image capture unit and be arranged between this second of this document of this second scanning area and advance.
3. two plane type image scanning module as claimed in claim 2, it is characterized in that, this image capture unit can move in this light transmission passage, when scanning this first, press close to this first scanning area to adjust this image capture unit, and press close to this second scanning area in scanning this second the time, and to make this image capture unit be equidistant in this first of scanning this document during with this second.
4. two plane type image scanning module as claimed in claim 1, it is characterized in that, this image capture unit can move, to adjust this image capture unit and this first scanning area, the distance of this second scanning area, making this image capture unit is equidistant in scanning this first of this document during with this second.
5. two plane type image scanning module as claimed in claim 1 is characterized in that, the distance between this first scanning area and this second scanning area is greater than this document length.
6. two plane type image scanning module as claimed in claim 1 is characterized in that, the length of this document turning circle greater than this document length.
7. two plane type image scanning module as claimed in claim 1 is characterized in that this image capture unit comprises a light source, and this light source is adjusted according to this first of this document and this image of second.
8. two plane type image scanning module as claimed in claim 1 is characterized in that, this image capture unit comprises an adjustable light source, and wherein this adjustable light source this first that this image capture unit is captured is consistent with this image quality of second.
9. two plane type image scanning module as claimed in claim 1 is characterized in that those driving members comprise a plurality of rollers.
10. two plane type image scanning module as claimed in claim 1 is characterized in that, paper carrier more comprises a first sensor is set, its sensing this document enter this first scanning area, and one second transducer is set, its sensing this document enters this second scanning area.
11. two plane type image scanning module as claimed in claim 10 is characterized in that, this first sensor and this second transducer can be manually opened/and close, with one of them face of decision scanning document.
12. two plane type image scanning module as claimed in claim 10, it is characterized in that, this first sensor is connected with this second sensor electrical or light is connected to this image capture unit, and according to detecting this first and this second of this document, the signal that transmits this first of being loaded with this document and this image information of second is to this image capture unit.
13. two plane type image scanning module as claimed in claim 10 is characterized in that this image capture unit has a light source, this light source is adjusted according to the image information that is transmitted by this first sensor and this second transducer.
14. a two plane type image scanning module comprises:
One paper carrier, this paper carrier has:
One first file transit area is suitable for a file transmitted and enters and one first the facing downwards of this document;
One second file transit area, parallel this first file transit area is suitable for this document is sent out, and one second the facing downwards of this document;
One file turning circle is connected between this first file transit area and this second file transit area, and it is sent to this second file transit area with this document by this first file transit area; And
A plurality of driving members are arranged at this first file transit area, this document turning circle and this second file transit area, and it transmits this document;
One image capture unit, its acquisition this first of this document and this image of second; And
One light transmission passage, be provided with perpendicular to this first file transit area and this second file transit area, and this light transmission passage extension is arranged between this first file transit area and this image capture unit and extension is arranged between this second file transit area and this image capture unit.
15. two plane type image scanning module as claimed in claim 14, it is characterized in that, this image capture unit can move in this light transmission passage, when scanning this first, press close to this first scanning area to adjust this image capture unit, and press close to this second scanning area in scanning this second the time, and to make this image capture unit be equidistant in this first of scanning this document during with this second.
16. two plane type image scanning module as claimed in claim 14, it is characterized in that, the position of this image capture unit can be moved, to adjust this image capture unit and this first scanning area, the distance of this second scanning area, making this image capture unit is equidistant in scanning this first of this document distance during with this second.
17. two plane type image scanning module as claimed in claim 14 is characterized in that those driving members comprise a plurality of rollers.
18. two plane type image scanning module as claimed in claim 14 is characterized in that, this document turning circle is generally perpendicular to this first file transit area and this second file transit area.
19. two plane type image scanning module as claimed in claim 14 is characterized in that, this first file transit area is provided with on this second file transit area.
20. two plane type image scanning module as claimed in claim 14, it is characterized in that, have more a first sensor, be arranged at this first file transit area, one second transducer, be arranged at this document turning circle, by controlling this first sensor and this second transducer, select one to scan by this first of scanning this document, this second of scanning this document and the two-sided group that forms of scanning this document.
21. two plane type image scanning module as claimed in claim 14 is characterized in that, this image capture unit comprises an adjustable light source, and wherein this adjustable light source this first that this image capture unit is captured is consistent with this image quality of second.
22. two plane type image scanning module as claimed in claim 14 is characterized in that, this first file transit area, this document turning circle and this second file transit area form a U type file and supply with the transmission passage.
23. the scan method of a two plane type image scanning module is suitable for using an image capture unit scanning the two-sided of a file, and this document have one first with one second, it is characterized in that this scan method comprises the following steps:
A file that this document is conveyed into a two plane type file scan module supply with to transmit passage, and when this document transmits through a light transmission passage, and first of this of this document is towards this image capture unit;
This image of first with this image capture unit scanning this document;
Supply with to transmit channel transfer this document along this document, when this document transmitted this light transmission passage through differing heights, second of this of this document was towards this image capture unit; And
This image of second with this image capture unit scanning this document.
24. the scan method of two plane type image scanning module as claimed in claim 23 is characterized in that, more is included in before this first that scans this document, adjusts a light source of this image capture unit.
25. the scan method of two plane type image scanning module as claimed in claim 23 is characterized in that, more is included in before this second that scans this document, adjusts a light source of this image capture unit.
26. the scan method of two plane type image scanning module as claimed in claim 23 is characterized in that, more is included in before this first that scans this document, adjusts this distance of first of this image capture unit and this document.
27. the scan method of two plane type image scanning module as claimed in claim 23 is characterized in that, more is included in before this second that scans this document, adjusts this distance of second of this image capture unit and this document.
28. the scan method of a two plane type image scanning module, be suitable for scanning the two-sided of a file, this document has one first and one second, and this two plane type image scanning module is made up of a paper carrier and an image capture unit, wherein this paper carrier has one first file transit area, a file turning circle and one second file transit area, this document transmits in regular turn through this first file transit area, this document rotating channel and this second file transit area, it is characterized in that the scan method of this two plane type image scanning module comprises the following steps:
This document is conveyed into this first file transit area, and when this document transmits through a light transmission passage, first of this of this document is towards this image capture unit;
Judge whether this first face of this document is scanned;
When this first face to this document scans, adjust and be incident to this light source of first, and scan this image of first with this image capture unit;
This document is transmitted through this document turning circle to this second file transit area and this document that reverses, so that this document is when transmitting this light transmission passage through differing heights, second of this of this document is towards this image capture unit;
Judge whether this second face of this document is scanned;
When this second face to this document scans, adjust and be incident to this this light source of second, and scan this image of second with this image capture unit; And
This document is sent out this two plane type image scanning module.
29. the scan method of two plane type image scanning module as claimed in claim 28 is characterized in that, when this first face of this document not being scanned, the setting of keeping this light source is constant.
30. the scan method of two plane type image scanning module as claimed in claim 28 is characterized in that, when this second face of this document not being scanned, the setting of keeping this light source is constant.
31. the scan method of two plane type image scanning module as claimed in claim 28 is characterized in that, first of this of this document that this image capture unit captured is consistent with this image quality of second.
32. the scan method of a two plane type image scanning module, be suitable for scanning the two-sided of a file, this document has one first and one second, and this two plane type image scanning module is made up of a paper carrier and an image capture unit, wherein this paper carrier has one first file transit area, a file turning circle and one second file transit area, this document transmits in regular turn through this first file transit area, this document rotating channel and this second file transit area, it is characterized in that the scan method of this two plane type image scanning module comprises the following steps:
This document is conveyed into this first file transit area, and when this document transmits through a light transmission passage, first of this of this document is towards this image capture unit;
Judge whether this first face of this document is scanned;
When this first face to this document scans, adjust this distance of first of this image capture unit and this document, and scan this image of first with this image capture unit;
This document is transmitted through this document turning circle to this second file transit area and this document that reverses, so that this document is when transmitting this light transmission passage through differing heights, second of this of this document is towards this image capture unit;
Judge whether this second face of this document is scanned;
When this second face to this document scans, adjust this distance of second of this image capture unit and this document, and scan this image of second with this image capture unit; And
This document is sent out this two plane type image scanning module.
33. the scan method of two plane type image scanning module as claimed in claim 32, it is characterized in that, this image capture unit when scanning this first of this document with the distance of this document, equal this image capture unit when scanning this second of this document and the distance of this document.
34. the scan method of two plane type image scanning module as claimed in claim 32 is characterized in that, first of this of this document that this image capture unit captured is consistent with this image quality of second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021427577A CN1484432A (en) | 2002-09-20 | 2002-09-20 | Double-side image scanning module and scanning method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021427577A CN1484432A (en) | 2002-09-20 | 2002-09-20 | Double-side image scanning module and scanning method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1484432A true CN1484432A (en) | 2004-03-24 |
Family
ID=34148102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA021427577A Withdrawn CN1484432A (en) | 2002-09-20 | 2002-09-20 | Double-side image scanning module and scanning method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1484432A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101155242B (en) * | 2006-09-25 | 2010-06-02 | 佳能株式会社 | Image scanner |
| CN101686304B (en) * | 2008-09-22 | 2011-06-01 | 虹光精密工业（苏州）有限公司 | Image reading device with paging function |
| CN107423944A (en) * | 2017-03-31 | 2017-12-01 | 南京钧元网络科技有限公司 | A kind of portable one-stop detection service system and method |
-
2002
- 2002-09-20 CN CNA021427577A patent/CN1484432A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101155242B (en) * | 2006-09-25 | 2010-06-02 | 佳能株式会社 | Image scanner |
| CN101686304B (en) * | 2008-09-22 | 2011-06-01 | 虹光精密工业（苏州）有限公司 | Image reading device with paging function |
| CN107423944A (en) * | 2017-03-31 | 2017-12-01 | 南京钧元网络科技有限公司 | A kind of portable one-stop detection service system and method |
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