CN2774044Y - Paper-feeding scanner with background switching function - Google Patents
Paper-feeding scanner with background switching function Download PDFInfo
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- CN2774044Y CN2774044Y CN 200520038796 CN200520038796U CN2774044Y CN 2774044 Y CN2774044 Y CN 2774044Y CN 200520038796 CN200520038796 CN 200520038796 CN 200520038796 U CN200520038796 U CN 200520038796U CN 2774044 Y CN2774044 Y CN 2774044Y
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- Prior art keywords
- speculum
- paper feeding
- switching function
- scanner
- scanning
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Abstract
The utility model provides a paper-feeding scanner with background switching function. The utility model is characterized in that a scanning module is used for scanning file which is fed by a paper feeding mechanism and goes through a scanning zone, and a background assembly which is motionless in the scanning zone; the scanning module comprises an image sensor, a lens and at least one reflecting mirror, wherein the reflecting mirror is driven by an actuator, so one of the different parts in the background assembly with different light reflectivity is selectively sensed by the lens and the reflecting mirror of the image sensor as a scanning background of the sensed file.
Description
Technical field
The utility model relates to a kind of paper feeding scanner with background switching function, and the position that relates in particular to several different light rays reflectivity on a kind of energy scanning background assembly is with the paper feeding scanner as the different scanning background.
Background technology
In known paper feeding scanner or under the situation that installs the automatic paper conveying apparatus that is equipped with scan module on the falt bed scanner additional, owing to the background of scan module is fixed, so can't change scanning background.Changing the purpose of scanning background, mainly is to seek the limit action for leading edge, lateral margin and the trailing edge of seeking paper.Seek the limit action and carry out, can make scanner conveniently carry out paper sheet askew and proofread and correct, and scanner known when carry out image capture, when finished image capture and decision scanning width.General file, its four limit all is white, so the background of this moment should be a dark-background, in order to the carrying out that seeks the limit action.Yet, some special file (for example anti-text of an annotated book spare), its four limit may be a black, so the background of this moment should be white, is beneficial to seek the carrying out of limit action.Under the situation of chromoscan, the background that supplies color file to use also may depend on the color of color file.
In addition, the decision of backcolor also can provide the influence that hole caused of eliminating punching file (containing black and white, color file).Moreover when scanner scanning approached file, backcolor also had influence on the result of scanning easily.In this case, backcolor is preferably close with the backcolor of file, is subjected to significantly influencing to avoid scanning result.Therefore, the paper feeding scanner with background switching function can promote reaching of quite multiple IPF.
Therefore, how providing a kind of paper feeding scanner with background switching function scanning background for you to choose, is exactly problem to be solved in the utility model.
The utility model content
A purpose of the present utility model provides a kind of paper feeding scanner with background switching function, at least one speculum that it utilizes in the rotary scanning module slightly, the position of several different light rays reflectivity of coming the scanning background assembly is with as the different scanning background.
For reaching above-mentioned purpose, the utility model provides a kind of paper feeding scanner with background switching function, and it comprises a scanner housing, a paper feed mechanism, first scan module, first actuator and one first background assembly.Paper feed mechanism passes through scanning area in order to feed documents.First scan module is fixed in the scanner housing, in order to the front face of document of scanning by scanning area.First scan module comprises one first image sensor, first lens and at least one first speculum.First actuator is in order to drive described at least one first speculum.The first background assembly is fixed in the scanner housing and is arranged in scanning area, and has the position of several different light rays reflectivity.Drive described at least one first speculum by first actuator, make first image sensor see through one of them of position of a plurality of different light rays reflectivity of first lens and described at least one the first speculum selectivity sensing, first background assembly, to make first scanning background of sensing front face of document.
In above-mentioned paper feeding scanner, can utilize the modes such as characteristic of cam, piezoelectric or bimetallic material to drive speculum and rotate, one of them of position of a plurality of different light rays reflectivity of using selective scanning background assembly is with as the different scanning background.
Description of drawings
Fig. 1 shows the paper feeding scanner according to the utility model first embodiment;
First state of the scan module of Fig. 2 displayed map 1;
Second state of the scan module of Fig. 3 displayed map 1;
Fig. 4 shows first side view of the state corresponding to first kind of actuating structure of the speculum of Fig. 2;
Fig. 5 shows second side view of the state corresponding to first kind of actuating structure of the speculum of Fig. 3;
Fig. 6 shows the vertical view corresponding to first kind of actuating structure of the speculum of Fig. 4;
Fig. 7 shows second kind of actuating structure of speculum;
Fig. 8 shows the third actuating structure of speculum;
Fig. 9 shows the paper feeding scanner according to the utility model second embodiment.
Embodiment
Embodiment of the present utility model is described below with reference to the accompanying drawings.
Fig. 1 shows the paper feeding scanner according to the utility model first embodiment, and Fig. 2 and 3 is first and second state of the scan module of displayed map 1 respectively.As shown in Figures 1 to 3, a kind of paper feeding scanner 1 with background switching function of the present utility model is a kind of two-sided paper feeding scanner, front and reverse side that can scanning document.Yet in fact, notion of the present utility model also may be implemented in the single face paper feeding scanner.
Paper feeding scanner 1 comprises scanner housing 10, paper feed mechanism 20, first scan module 40, first actuator 50 and the first background assembly 60.Scanner housing 10 has the paper output box 14 that is used for carrying the feeding box 12 of file P to be scanned and is used for depositing the file P of been scanned.Paper feed mechanism 20 passes through scanning area 22 in order to feed documents P.First scan module 40 is fixed in the scanner housing 10, in order to the positive PA of scanning by the file P of scanning area 22.First scan module 40 comprises first image sensor 41, first lens 42, a plurality of first speculum 43A to 43C and first light source 44, in order to the positive PA and the first background assembly 60 of shot file P.First actuator 50 is in order to drive the first speculum 43A.The first background assembly 60 is fixed in the scanner housing 10 and is arranged in scanning area 22.Light from the first background assembly 60 reflexes to first lens 42 by the first speculum 43A to 43C, is focused on first image sensor 41 by first lens 42 again.Drive the first speculum 43A by first actuator 50, make first image sensor 41 through first position 66A of a plurality of different light rays reflectivity of first lens 42 and the first speculum 43A selectivity sensing, the first background assembly 60 and one of them of the second position 66B, drive the first speculum 43A by first actuator 50, make first image sensor 41 see through one of them position 60A or 60B of first lens 42 and the first speculum 43A selectivity sensing, the first background assembly 60, as sensing file P just and first scanning background of PA.When actual treatment, the number at the position of different light rays reflectivity can be more than three or three, and the different light rays reflectivity can be at black and white or colour.
In addition, two-sided paper feeding scanner 1 further comprises second scan module 70, second actuator 80 and the second background assembly 66, and the action and function of these members all is similar to first scan module 40, first actuator 50 and the first background assembly 60.It is interior and relative with first scan module 40 that second scan module 70 is fixed on scanner housing 10, in order to the back side PB of scanning by the file P of scanning area 22.Second scan module 70 that is similar to first scan module 40 comprises second image sensor 71, second lens 72, a plurality of second speculum 73A to 73C and secondary light source 74.Second actuator 80 is in order to drive the second speculum 73A.The second background assembly 66 is fixed in the scanner housing 10 and is arranged in scanning area 22, and has first position 66A and the 66B of a plurality of different light rays reflectivity.
Drive the second speculum 73A by second actuator 80, make second image sensor 71 see through one of them position 66A or 66B of second lens 72 and the second speculum 73A selectivity sensing, the second background assembly 66, as second scanning background of the back side PB of sensing file P.Image sensor 41 and 71 can be Charged Coupled Device (CCD).
In the accompanying drawings, the first shown background assembly 60 is a tabular.Yet in other embodiments, the first background assembly 60 also can be arcuation, to reduce among Fig. 3 the optical path difference corresponding to the first position 60A and the second position 60B, to obtain calibration result preferably.
In the above-described embodiments,, just can reach effect of the present utility model, and the configuration of speculum and number also are not limited to the state shown in the figure as long as the one at least in described these speculums is rotated.Because the rotation of speculum is quite responsive for the optical path change amount, the low-angle of speculum rotates the effect with regard to the attainable cost utility model.Preferably make rotating speculum as far as possible near the background assembly, make allowing that amount of spin can strengthen and be convenient to and implementing of speculum.The example of actuator below is described.
Fig. 4 and 5 shows that Fig. 6 shows the vertical view corresponding to first kind of actuating structure of the speculum of Fig. 4 corresponding to first and second side view of the state of first kind of actuating structure of the speculum of Fig. 2.As shown in Figs. 4-6, first actuator 50 for example comprises motor 51 and cam 52, and it is driven by motor 51 and drives the first speculum 43A and rotate.The first speculum 43A places on the pedestal 35, and pedestal 35 can be the some that belongs to the housing of the scanner housing 10 or first scan module 40.Pedestal 35 has two protuberance 35A contact the first speculum 43A with 35B lower surface 43A1.The upper surface 43A2 of 31 couples first speculum 43A of elastic parts is toward pedestal 35 pressurizations.Elastic parts 31 is elastic arms, and its end is fixed on the pedestal 35 by bolt 32.Elastic arm has projection 31A, and it corresponds between the two protuberance 35A and 35B of pedestal 35, to fix the first speculum 43A jointly.When desire drove first speculum 43A rotation, first actuator 50 up pushed away in order to the side with the first speculum 43A, one of them protuberance 35B of the first speculum 43A was broken away from, to rotate the first speculum 43A.
It should be noted that the accurate positioning and stability of the first speculum 43A when promoting scanning document, do not drive as yet before the first speculum 43A rotates that first actuator 50 does not contact the first speculum 43A at first actuator 50.Therefore, the reference position of the first speculum 43A is that two protuberance 35A and 35B with pedestal 35 are reference during first scan module, 40 scanning documents, and can not be subjected to the influence of cam 52, so can adjust to the optimum position when scan module is assembled.
Fig. 7 shows second kind of actuating structure of speculum.As shown in Figure 7, first actuator 50 is made by piezoelectric, by piezoelectric is imposed voltage, makes piezoelectric material deforms and drives the first speculum 43A and rotate.
Fig. 8 shows the third actuating structure of speculum.As shown in Figure 8, first actuator 50 is made by bimetallic material, by bimetallic material is imposed voltage, makes bimetallic material distortion and drives the first speculum 43A and rotate.
Fig. 9 shows the paper feeding scanner according to the utility model second embodiment.As shown in Figure 9, the paper feeding scanner 2 of present embodiment is similar to the paper feeding scanner 1 of first embodiment, difference is that second scan module 90 of present embodiment is to be installed in movably in the scanner housing 10 and relative with first scan module 40, so that the function of platform-type scanning and paper feed type scanning to be provided.Because second scan module 90 is removable, so do not need and can rotate corresponding to the speculum of second scan module, one of them of promptly alternative position to a plurality of different light rays reflectivity on the second background assembly 66 scans.When paper feeding scanner scanned, second scan module 90 was in order to the back side PB of scanning by the file P of scanning area 22.Same, second scan module 90 comprises second image sensor 91, second lens 92, a plurality of second speculum 93A to 93C and secondary light source 94.
By the foregoing description of the present utility model, can implement a kind of paper feeding scanner with background switching function.Utilize cam, piezoelectric, bimetallic material to wait the minor rotation of reaching speculum, can effectively increase the number at the position of a plurality of different light rays reflectivity that scan module scanned the background assembly, to reach the effect that background is switched, conveniently to carry out above-mentioned image processing, for example appointment of skew corrected, length and width and eliminate background influence etc.
The specific embodiment that is proposed in the detailed description of preferred embodiment is only in order to convenient explanation technology contents of the present utility model, rather than with the utility model narrow sense be limited to the foregoing description, under the situation that does not exceed spirit of the present utility model and following claim, the many variations of being done is implemented, and all belongs to scope of the present utility model.
The reference numeral explanation
P ~ file
PA ~ front
PB ~ back side
1 ~ paper feeding scanner
2 ~ paper feeding scanner
10 ~ scanner housing
12 ~ feeding box
14 ~ paper output box
20 ~ paper feed mechanism
22 ~ scanning area
31 ~ elastic parts
31A ~ projection
32 ~ bolt
35 ~ pedestal
35A, 35B ~ protuberance
40 ~ the first scan modules
41 ~ the first image sensors
42 ~ the first lens
43A-43C ~ first speculum
43A1 ~ lower surface
43A2 ~ upper surface
44 ~ the first light sources
50 ~ the first actuators
51 ~ motor
52 ~ cam
60 ~ the first background assemblies
60A ~ first position
60B ~ second position
66 ~ the second background assemblies
66A ~ first position
66B ~ second position
70 ~ the second scan modules
71 ~ the second image sensors
72 ~ the second lens
73A-73C ~ second speculum
74 ~ secondary light source
80 ~ the second actuators
90 ~ the second scan modules
91 ~ the second image sensors
92 ~ the second lens
93A-93C ~ second speculum
94 ~ secondary light source
Claims (14)
1. the paper feeding scanner of a tool background switching function is characterized in that, comprises:
Scanner housing;
Paper feed mechanism passes through scanning area in order to feed documents;
First scan module is fixed in the described scanner housing, and in order to the described front face of document of scanning by described scanning area, described first scan module comprises first image sensor, first lens and at least one first speculum;
First actuator is in order to drive described at least one first speculum; And
The first background assembly, it is fixed in the described scanner housing and is arranged in described scanning area, and position with a plurality of different light rays reflectivity, wherein drive described at least one first speculum by described first actuator, make described first image sensor see through one of them of position of described a plurality of different light rays reflectivity of described first lens and the described first background assembly of described at least one first speculum selectivity sensing, as first scanning background in the described front of the described file of sensing.
2. the paper feeding scanner of tool background switching function as claimed in claim 1 is characterized in that, the wherein said first background assembly is a tabular.
3. the paper feeding scanner of tool background switching function as claimed in claim 1 is characterized in that, the wherein said first background assembly is an arcuation.
4. the paper feeding scanner of tool background switching function as claimed in claim 1 is characterized in that, wherein said first actuator comprises:
Power source; And
Cam is subjected to described drive power source and drives described at least one first speculum to rotate.
5. the paper feeding scanner of tool background switching function as claimed in claim 4 is characterized in that, described power source is a motor.
6. the paper feeding scanner of tool background switching function as claimed in claim 1, it is characterized in that, wherein said first actuator is made by piezoelectric, by described piezoelectric is imposed voltage, makes described piezoelectric material deforms and drives described at least one first speculum and rotate.
7. the paper feeding scanner of tool background switching function as claimed in claim 1, it is characterized in that, wherein said first actuator is made by bimetallic material, by described bimetallic material is imposed a voltage, make the distortion of described bimetallic material and drive described at least one first speculum and rotate.
8. the paper feeding scanner of tool background switching function as claimed in claim 1 is characterized in that, wherein said first scan module further comprises first light source, in order to described front and the described first background assembly that shines described file.
9. the paper feeding scanner of tool background switching function as claimed in claim 1, it is characterized in that, wherein said at least one first speculum is placed on the pedestal, described pedestal has the lower surface that two protuberances contact described at least one first speculum, and elastic parts is to the past described pedestal pressurization of the upper surface of described at least one first speculum, in the time will driving described at least one first speculum and rotate, described first actuator up pushes away in order to the side with described at least one first speculum, so that one of them protuberance disengaging of described at least one first speculum, so as to rotating described at least one first speculum.
10. the paper feeding scanner of tool background switching function as claimed in claim 8 is characterized in that, wherein said elastic parts is an elastic arm, and its end is fixed on the described pedestal, and described elastic arm has projection, and it corresponds between described two protuberances of described pedestal.
11. the paper feeding scanner of tool background switching function as claimed in claim 8, it is characterized in that, wherein before described first actuator did not drive described at least one first speculum rotation as yet, described first actuator did not contact described at least one first speculum.
12. the paper feeding scanner of tool background switching function as claimed in claim 1 is characterized in that, further comprises:
Second scan module, it is interior and relative with described first scan module to be fixed on described scanner housing, in order to the described back face of document of scanning by described scanning area, described second scan module comprises second image sensor, second lens, at least one second speculum and secondary light source;
Second actuator is in order to drive described at least one second speculum; And
The second background assembly, it is fixed in the described scanner housing and is arranged in described scanning area, and position with a plurality of different light rays reflectivity, wherein drive described at least one second speculum by described second actuator, make described second image sensor see through one of them of position of described a plurality of different light rays reflectivity of described second lens and the described second background assembly of described at least one second speculum selectivity sensing, as second scanning background at the described back side of the described file of sensing.
13. the paper feeding scanner of tool background switching function as claimed in claim 1 is characterized in that, further comprises:
Second scan module, it is interior and relative with described first scan module to be installed in described scanner housing movably, in order to the described back face of document of scanning by described scanning area.
14. the paper feeding scanner of tool background switching function as claimed in claim 12 is characterized in that, wherein said second scan module comprises second image sensor, second lens, at least one second speculum and secondary light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520038796 CN2774044Y (en) | 2005-01-07 | 2005-01-07 | Paper-feeding scanner with background switching function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520038796 CN2774044Y (en) | 2005-01-07 | 2005-01-07 | Paper-feeding scanner with background switching function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2774044Y true CN2774044Y (en) | 2006-04-19 |
Family
ID=36709306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520038796 Expired - Lifetime CN2774044Y (en) | 2005-01-07 | 2005-01-07 | Paper-feeding scanner with background switching function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2774044Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100428769C (en) * | 2005-01-07 | 2008-10-22 | 虹光精密工业（苏州）有限公司 | Sheetfed scanner with background switching function |
| CN101350879B (en) * | 2008-08-18 | 2011-07-06 | 山东山大鸥玛软件有限公司 | Apparatus for replacing background of picture scanning equipment |
| CN104253922A (en) * | 2013-06-27 | 2014-12-31 | 富士施乐株式会社 | Document reading device and image formation apparatus |
-
2005
- 2005-01-07 CN CN 200520038796 patent/CN2774044Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100428769C (en) * | 2005-01-07 | 2008-10-22 | 虹光精密工业（苏州）有限公司 | Sheetfed scanner with background switching function |
| CN101350879B (en) * | 2008-08-18 | 2011-07-06 | 山东山大鸥玛软件有限公司 | Apparatus for replacing background of picture scanning equipment |
| CN104253922A (en) * | 2013-06-27 | 2014-12-31 | 富士施乐株式会社 | Document reading device and image formation apparatus |
| CN104253922B (en) * | 2013-06-27 | 2018-11-20 | 富士施乐株式会社 | Document read device and image forming apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20081022 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |