CN101783860B - Scanner and method for scanning bound document - Google Patents
Scanner and method for scanning bound document Download PDFInfo
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- CN101783860B CN101783860B CN2009100454501A CN200910045450A CN101783860B CN 101783860 B CN101783860 B CN 101783860B CN 2009100454501 A CN2009100454501 A CN 2009100454501A CN 200910045450 A CN200910045450 A CN 200910045450A CN 101783860 B CN101783860 B CN 101783860B
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Abstract
The invention relates to a scanner for scanning objects, which comprises a shell, a scanning module, at least one sensor and a control/processing unit. The shell is provided with a first platform which is used for placing the objects and provided with a scanning area and a second platform which is adjacent to the first platform; the scanning module is arranged in the shell and positioned below the first platform and used for capturing an image of an object positioned in the scanning area and generating an image signal; the at least one sensor is arranged on the second platform and used for detecting the object; the sensor can send out the detecting signal when the object to be scanned is the bound document; and the control/processing unit is arranged in the shell and electrically connected with the scanning module and the sensor respectively and used for receiving the image signal and the detecting signal and processing the image signal, wherein the control/processing unit sets the scanner to access a book scanning module according to the detecting signal.
Description
Technical field
The invention relates to a kind of scanning means and scan method thereof, and particularly relevant for the method for a kind of scanning bound document or books and use the scanning means of this method.
Background technology
Because the image scan technology is constantly progressive, no matter scanner on family or office's purposes, all occupies considerable status now.Scanner provides the user that entity article (for example file, photo and books etc.) is carried out image capture, and show and be stored in the computer with the form of electronics shelves, not only can forever preserve the object image and save the shared space of entity article, store into digital image data and also be not easy to use the person and carry out actions such as the transmission of image data or editor.
Scanner can be divided into platform-type scanner (Flatbed Scanner) and paper feed type scanning device (Sheet-fed Scanner).The paper feed type scanning device is feed-in and scanning heap file automatically, to save sweep time and human resources.And platform-type scanner mainly is file, millboard or bound file or books in order to scan individual.Especially bound file or books not dismantling under the situation of destroying former bookbinding, can't use the autofile paper advance mechanism of paper feed type scanning device to scan fully, must just can finish scanning work by usage platform formula scanner.Therefore, many scanner consequentialities with scanning book function, to satisfy the demand of user's scanning bound document, these scanners have comprised the scanner that designs for the scanning books specially, and the scanner that has scanning generic-document and books concurrently.The former is for example: U.S. patent application case publication number US 2005/0243386 a kind of books scanner of uniform source of light and United States Patent (USP) case patent No. US 5,777,660 of providing is provided discloses a kind of books scanner that can scan two adjacent pages simultaneously.The latter is for example: United States Patent (USP) case patent No. US 5,712,718 discloses a kind of scanner, can avoid the binder edge of bound document or books to produce image distortion.
Summary of the invention
The present invention is about the method for a kind of scanning means and scanning bound document thereof, and when scanning bound document or books, scanning means can be opened the books scan pattern automatically, makes the user can be rapidly and finish scanning work simply.
According to the present invention, a kind of scanning means is proposed, in order to scanned object, comprise housing, scanning module, at least one sensor and control/processing unit.Housing has first platform and second platform, and first platform is in order to put object and to have scanning area, second platform and the first platform adjacency.Scanning module is arranged in the housing and is positioned at this first platform below, is positioned at the image of scanning area in order to the acquisition object, and produces signal of video signal.At least one sensor is arranged on second platform, in order to detect object and to send detection signal.Control/processing unit is arranged in the housing, and be electrically connected with scanning module and sensor respectively, receive signal of video signal and detection signal, and processing signal of video signal, wherein when object comprises the page to be scanned that is placed on first platform and be placed on the page non-to be scanned on second platform, the non-page to be scanned triggers sensor, make sensor send detection signal to control/processing unit, this control/processing unit is set scanning means according to the detection signal that receives and is entered the books scan pattern.
According to the present invention, a kind of method of scanning bound document is proposed, be used for scanning means, comprise that step is as follows.At first, provide first platform and second platform, second platform and the first platform adjacency, first platform has scanning area; And on second platform, sensor is set.Then, when object comprised the page to be scanned that is placed on first platform and be placed on the page non-to be scanned on second platform, the non-page to be scanned triggered sensor, and sensor sends detection signal; If receive detection signal, then start the books scan pattern; Then do not start normal scan mode by detection signal if receive.Afterwards, scan this object.In an embodiment, scanning means is a scan origin with first scan start point under normal scan mode, is scan origin at next second scan start point with contiguous second platform of books scan pattern.
For foregoing of the present invention can be become apparent, preferred embodiment cited below particularly, and in conjunction with the accompanying drawings, be described in detail below.
Description of drawings
Fig. 1 shows the schematic diagram according to the plat form type scanning apparatus of preferred embodiment of the present invention.
Fig. 2 shows the schematic diagram with the plat form type scanning apparatus scanning books of Fig. 1.
Fig. 3 shows the schematic diagram of the plat form type scanning apparatus of another embodiment of the present invention.
The top view of the scanning means of Fig. 4 displayed map 3.
Fig. 5 carries out the method for scanning flow chart for the scanning means of using preferred embodiment of the present invention.
The reference numeral explanation
1,3: scanning means
10: housing
102: the first platforms
1021: transparent window
1023: light tight district
104: the second platforms
12: scanning module
14, S1, S2, S3 ... Sn ... S
M-1, S
M: sensor
16: control/processing unit
17: display unit
20: books
202: the page to be scanned
204: the non-page to be scanned
L1: the boundary line of second platform 104 and first platform, 102 adjacency
B1: the alignment bottom line of transparent window
D1, D2, D3 ... Dn ... D
M-1, D
M: sensor S1, S2, S3 ... Sn ... S
M-1And S
MVertical range to alignment bottom line B1
P1: first scan start point
P2: second scan start point
Embodiment
The present invention proposes the method for a kind of scanning means and scanning bound document thereof, this scanning means is except being used for scanning the generic-document, also can be used to file that scanning bound binds into book form such as books etc., and scanning means can be opened the books scan pattern automatically during scanning bound document, so that the user to be provided a rapid easy automatic scanning process.The present invention is applicable to the scanner with platform.
The following embodiment that proposes according to the present invention is to describe scanning means of the present invention in detail and to use the method for this device scanning bound document.Yet the scanning means that is proposed among the embodiment is the usefulness for illustrating only, is not the usefulness as limit protection range of the present invention.In addition, the diagram of scanning means also only shows the related elements of the technology of the present invention among the embodiment, omits unnecessary element (for example omitting the loam cake of platform-type scanner), so that clear demonstration technical characterstic of the present invention.
＜scanning means 〉
Please refer to Fig. 1, it shows the schematic diagram according to the plat form type scanning apparatus of preferred embodiment of the present invention.Scanning means 1 comprises housing 10, scanning module 12, at least one sensor 14 and control/processing unit 16.Wherein, housing 10 has first platform 102 and second platform, 104, the first platforms 102 have scanning area and in order to put the page to be scanned of object to be scanned (not being presented among Fig. 1); Second platform 104 and first platform, 102 adjacency are L1 in abutting connection with the boundary line.In addition, first platform 102 comprises the light tight district 1023 of transparent window 1021 and transparent window 1021 peripheries.Scanning area then is positioned at transparent window 1021 and is positioned at the moving range of scanning module 12.Transparent window comprises alignment bottom line B1, in this embodiment, alignment bottom line B1 is perpendicular to the boundary line L1 of second platform 104 and first platform, 102 adjacency, and scanning area has the first scan start point P1 and the second scan start point P2, lay respectively at the two ends of the alignment bottom line B1 of transparent window 1021, and contiguous second platform 104 of the second scan start point P2.In addition, scanning means also comprises the transmission mechanism (not shown), drives scanning module 12 and moves around along the scanning direction.
At least one sensor 14 is arranged on second platform 104 of housing 10, and the position of sensor 14 is near the boundary line L1 of second platform 104 and first platform, 102 adjacency.Sensor 14 is mainly in order to detect object to be scanned and to send detection signal.Applicable sensor kind is a lot, comprise optical sensor (Optical Sensor), infrared sensor (Infrared Sensor) for example, with mechanical type sensor (Mechanical Sensor), for example pressure type sensor (Pressure Sensor) or rocker-arm sensor (Arm Sensor), or the like, the present invention is not specially limited needs to use specific sensors to carry out the sensing of bound document.
Control/the processing unit 16 that is arranged in the housing then is electrically connected with scanning module 12 and sensor 14 respectively, to receive the detection signal that signal of video signal that scanning module 12 produced and sensor 14 are sent, control/processing unit 16 also can further be handled signal of video signal.According to the present invention, control/processing unit 16 can be set scanning means 1 according to detection signal and enter the books scan pattern.Scanning means 1 also comprises display unit (for example display screens) 17, can show the setting option of books scan pattern.
Please refer to Fig. 2, it shows the schematic diagram with the plat form type scanning apparatus scanning books of Fig. 1.When object to be scanned is that bound document is for example during books 20, the page to be scanned 202 of books 20 is seated in the scanning area of first platform 102, but not 204 of the pages to be scanned trigger sensor 14, make sensor 14 send detection signal, and control/processing unit 16 setting scanning means 1 enter the books scan pattern to control/processing unit 16.When scanning means 1 enters the books scan pattern, the image processing program that control/processing unit 16 can for example cut automatically to signal of video signal, automatic image rotates or merge image or the like, and the setting option of books scan pattern is presented at display unit 17 places, understands the scanning imaging system that is carried out at present with auxiliary user.In addition, when making control/processing unit 16 setting scanning means 1 enter the books scan pattern when object triggering sensor 14 to be scanned, scanning means is a scan origin with the second scan start point P2 (Fig. 1), if sensor 14 is not triggered, scanning means then enters normal scan mode, and is scan origin with the first scan start point P1.
Though in Fig. 1,2 of embodiment, be presented on second platform 104 three sensors 14 of installing and carry out sensing, yet the quantity of sensor 14 can be made preferable selection according to the product size and the function of scanner during practical application in 1～positive integer n, and the present invention also seldom limits this.
Please be simultaneously with reference to Fig. 3 and Fig. 4.Fig. 3 shows the schematic diagram of the plat form type scanning apparatus of another embodiment of the present invention.The top view of the scanning means of Fig. 4 displayed map 3.Among Fig. 3,4 and Fig. 1 components identical indicate same component symbol, and do not repeat them here.The scanning means 3 of Fig. 3 is provided with M sensor on second platform 104 of housing 10, and the boundary line L1 of close second platform 104 and first platform, 102 adjacency, and M is the positive integer greater than 2.In addition, those sensors S1 ... Sn ... S
MBe separately positioned on ad-hoc location, and can send detection signal to control/processing unit 16, control/processing unit 16 is handled the image size of signal of video signal according to those detection signals.Wherein, because bound document size to be scanned differs, the sensor of diverse location can be used to the object of sensing different size, and for example the position of sensor S1 can be used to sensing miniature dimensions object among Fig. 3,4, the position of sensor Sn can be used to sensing medium size object, and sensor S
MThe position can be used to the big molded dimension object of sensing, and the distance of two adjacent sensors can equate or unequal (spacing that is S1 and S2 can equal or be not equal to S
MAnd S
M-1Spacing).
As shown in Figure 4, be arranged on second platform 104 and near in abutting connection with M the sensor S1 of boundary line L1 ... Sn ... S
MBe electrically connected with control/processing unit 16, the 1st sensor S1 is D1 to the vertical range of alignment bottom line B1 (the 3rd figure), in like manner, the 2nd, 3 ... n ... M-1 and M sensor S2, S3 ... Sn ... S
M-1And S
MTo the vertical range of alignment bottom line B1 be respectively D2, D3 ... Dn ... D
M-1And D
MAnd the bound document size of different with the M kind respectively sizes of those vertical ranges is corresponding, N sensor (1≤N≤M for example, N is a positive integer) corresponding to the vertical range Dn of alignment bottom line B1 (Fig. 3) with the size of N kind books, when scanning the books of tool N kind size, its non-page to be scanned can trigger sensor Sn (or S1～Sn), for example block the transmitting terminal of sensor Sn and the receiving terminal reception environment light (ambient light) (optical sensor) of infrared ray between the receiving terminal or blocking-up sensor Sn, or modes such as (mechanical type sensors) that sensor Sn pressed, and make sensor Sn (or S1～Sn) send detection signal to control/processing unit 16, control/processing unit 16 receives detection signal, and setting scanning means 1 enters the books scan pattern.But this detection signal also assist control/processing unit 16 judges that rapidly these books page to be scanned has N kind books size.
No matter be commerce-create or family expenses, the user may have the bound document of many different sizes and want to scan.With books is example, and middle document size has big 16 formats 210 * 297 (mm), big 32 formats 148 * 210 (mm) and big 64 formats 105 * 148 (mm); Just spending and be: 16 formats 188 * 265 (mm), 32 formats 130 * 184 (mm), 64 formats 92 * 126 (mm) ... etc. various sizes; Foreign language book's size has A5 (14.1cm * 21cm), A6 (15cm * 10.5cm), 36K (17cm * 11.5cm) ... etc. various sizes.Various countries have different books sizes again among the foreign language book, and it changes does not numerously count, and in addition also has other not bound documents of the special size of tool (for example square books 26cm * 26.5cm or the like) in various countries' standard specification.Therefore during practical application, manufacturer can sales territory according to scanning means in common books size or file size select the installing quantity of sensor on (for example selecting common M kind size) and this scanning means of decision and the absolute position of each sensor (shown in Fig. 3,4 M sensor), to meet the user's of this area actual needs.
In addition, it should be noted that, though in this embodiment, be obliquely installed with second platform 104 and explain, promptly become angle theta between second platform 104 and first platform 102, and angle theta is greater than 90 degree with less than 180 degree, yet during practical application, second platform 104 of scanning means also can be perpendicular to first platform 102.If second platform 104 is perpendicular to first platform 102, then sensor 14 can be arranged on second platform 104 and near L1 place, boundary line, or is arranged on close L1 place, boundary line on first platform 102 but (does not influence the acquisition of scan-image) outside scanning area.Therefore, the present invention is not specially limited for the angle between second platform 104 and first platform 102.
The scan method of the scanning means of＜Application Example 〉
Fig. 5 carries out the method for scanning flow chart for the scanning means of using preferred embodiment of the present invention.Please be simultaneously with reference to Fig. 1,2.At first, shown in step 501, provide scanning means with first platform 102, second platform 104 and at least one sensor 14, second platform 104 and first platform, 102 adjacency, and first platform 102 has scanning area.At least one sensor 14 is arranged on second platform 102.Detailed execution mode about scanning means please refer to above stated specification.And, shown in step 502, object is placed on the scanning area of first platform 102.Then, shown in step 503, whether the object that at least one sensor 14 detecting is placed on first platform 102 is books or bound document, and sends detection signal to control/processing unit 16.If control/processing unit 16 does not receive detection signal (i.e. general individual file of scanning does not trigger sensor 14), then shown in step 505, start normal scan mode; If control/processing unit 16 receives detection signal (be scanning bound document (books), its non-scanning page has triggered sensor 14), then shown in step 506, start the books scan pattern according to this detection signal.Afterwards, carry out the step 507 of scanned object.
After the step 507 of scanned object, also comprise: produce preliminary signal of video signal that should scanning area, and the step of handling preliminary signal of video signal.Wherein, the step of handling preliminary signal of video signal for example comprises: the image size of handling preliminary signal of video signal; Preliminary signal of video signal is carried out automatic cutting program, to obtain the signal of video signal of processing that corresponding object is arranged in the image of scanning area; And preliminary signal of video signal carried out automatic image rotation or merge imaging application, have the signal of video signal of processing that specific direction or image merge to obtain.
In addition, when sensor 14 detects object to be scanned is that bound document is when starting the books scan pattern, under the books scan pattern, except carrying out the rotation of automatic cutting program and automatic image or merging the imaging application, also can strengthen various image processing such as scanning light source brightness and change scan origin to preliminary signal of video signal.
With object to be scanned is that (books of 17cm * 11.5cm) are example to size 36K, the raw video shelves that its preliminary signal of video signal may be about A4 size after scanning, under the books scan pattern, can will cut processing to preliminary signal of video signal via automatic cutting program, do not have the white space of image data to crop other, and obtain to have handled signal of video signal accordingly with object life size to be scanned.
Rotation of the scanning automatic image that books carried out or merging image supervisor then can obtain the signal of video signal of processing with specific direction or image merging.With the automatic image rotation program is example, the user is opposite up and down at the scanning books left side preliminary image that the page presented with the preliminary image that the scanning books right side page is presented, therefore carrying out its preliminary signal of video signal of multipage scanning back presents positive and negative staggered, the automatic image rotation program can be reversed to opposite image just automatically under the books scan pattern, to obtain the signal of video signal of processing with same direction.
Under the books scan pattern, also comprise and to strengthen scanning light source brightness to preliminary signal of video signal.During scanning bound document, for the zone (crevice place) near cord, it is difficult to docile on transparent window and the range sweep district is far away, and therefore the image that obtains of scanning is easy to generate distortion and distortion.After starting the books scan pattern, can strengthen scanning light source brightness to preliminary signal of video signal (signal of video signal at the boundary line L1 place of particularly corresponding second platform 104 and first platform, 102 adjacency), obtain the quality of image with improvement.
In addition, the books scan pattern also can comprise the handling procedure that changes scan origin.Please refer to Fig. 1, scanning area has the first scan start point P1 and the second scan start point P2, the first scan start point P1 is positioned at the end of the alignment bottom line B1 of transparent window 1021, and the second scan start point P2 then is positioned at the other end and contiguous second platform 104 of alignment bottom line B1.When sensor 14 does not send detection signal, judge that object is a non-bound document when starting normal scan mode (step 505), be scan origin with the first scan start point P1.When sensor 14 sends detection signal, judge that object is a bound document when starting the books scan pattern (step 506), 1 of scanning means is a scan origin with the second scan start point P2.
The above-mentioned image processing that can carry out about the books scan pattern, comprise automatically cut, automatic image rotation or merge image, strengthen light-source brightness and change the scan origin supervisor, not only can simplify the calculating of follow-up image processing, also can promote the accuracy of image processing.
According to above-mentioned, scanning means proposed by the invention utilizes one or more sensors to judge whether object to be scanned is bound document, and automatically opens the books scan pattern when scanning bound document, makes the user can be rapidly and finish scanning work simply.
In sum, though the present invention with the preferred embodiment disclosure as above, yet it is not in order to limit the present invention.Those skilled in the art under the situation that does not break away from the spirit and scope of the present invention, can do various variations and improvement.Therefore, protection scope of the present invention is as the criterion with the scope that appending claims was defined.
Claims (14)
1. a scanning means in order to scanned object, is characterized in that, comprising:
Housing has first platform and second platform, and described first platform is in order to put described object and to have scanning area, described second platform and the described first platform adjacency;
Scanning module is arranged in the described housing and is positioned at described first platform below, in order to capturing the image that described object is positioned at described scanning area, and produces signal of video signal;
At least one sensor is arranged on described second platform of described housing, in order to detecting described object, and sends detection signal; And
Control/processing unit is arranged in the described housing, and is electrically connected with described scanning module and described sensor respectively, and receive described signal of video signal and described detection signal, and handle described signal of video signal,
Wherein when described object comprises the page to be scanned that is placed on described first platform and be placed on the page non-to be scanned on described second platform, the described non-page to be scanned triggers described sensor, make described sensor send described detection signal to described control/processing unit, and described control/processing unit is set described scanning means according to the described detection signal that receives and is entered the books scan pattern.
2. scanning means as claimed in claim 1 is characterized in that, described sensor is near the boundary line setting of described second platform and the described first platform adjacency.
3. scanning means as claimed in claim 1 is characterized in that, the angle between described second platform and described first platform is greater than 90 degree with less than 180 degree.
4. scanning means as claimed in claim 1, it is characterized in that, M sensor is separately positioned on the ad-hoc location on described second platform of described housing, M is the positive integer greater than 2, those detection signals that those sensors send are to described control/processing unit, and described control/processing unit is handled the image size of described signal of video signal according to those detection signals.
5. scanning means as claimed in claim 1, it is characterized in that, described first platform has transparent window, described scanning area is positioned at described transparent window and is positioned at the moving range of described scanning module, described transparent window comprises the alignment bottom line, and the described boundary line of described second platform and the described first platform adjacency is perpendicular to described alignment bottom line.
6. scanning means as claimed in claim 5, it is characterized in that, described scanning area has first scan start point, be positioned at an end of the described alignment bottom line of described transparent window, and second scan start point, be positioned at the other end and contiguous described second platform of the described alignment bottom line of described transparent window.
7. scanning means as claimed in claim 6 is characterized in that, when scanning means entered described books scan pattern, described scanning means was a scan origin with described second scan start point; And when scanning means entered normal scan mode, described scanning means was a scan origin with described first scan start point.
8. scanning means as claimed in claim 1 is characterized in that, when scanning means enters described books scan pattern, described control/processing unit to described signal of video signal cut automatically, automatic image rotation or merge the image processing program of image.
9. the method for a scanning bound document is used for scanning means, and described scanning means is a scan origin with first scan start point under normal scan mode, it is characterized in that, comprises step:
First platform and second platform are provided, described second platform and the described first platform adjacency, described first platform has scanning area;
Provide sensor to be arranged on described second platform;
When described object comprised the page to be scanned that is placed on described first platform and be placed on the page non-to be scanned on described second platform, the described non-page to be scanned triggered described sensor, and described sensor sends detection signal;
Receive described detection signal, and start the books scan pattern; And
Scan described object.
10. method as claimed in claim 9 is characterized in that, also comprises after the step of the described object of described scanning:
Produce the preliminary signal of video signal of corresponding described scanning area; And
Handle described preliminary signal of video signal.
11. method as claimed in claim 10 is characterized in that, the step of the described preliminary signal of video signal of described processing comprises:
Described preliminary signal of video signal is carried out automatic cutting program, to obtain the signal of video signal of processing that corresponding described object is arranged in the image of described scanning area.
12. method as claimed in claim 10 is characterized in that, the step of the described preliminary signal of video signal of described processing comprises:
Described preliminary signal of video signal is carried out the automatic image rotation program, to obtain the signal of video signal of processing with specific direction.
13. method as claimed in claim 9 is characterized in that, the step of the described object of described scanning comprises:
With second scan start point is scan origin, scans described object.
14. method as claimed in claim 9 is characterized in that, also comprises:
According to described detection signal, handle the image size of described preliminary signal of video signal.
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| CN2009100454501A CN101783860B (en) | 2009-01-16 | 2009-01-16 | Scanner and method for scanning bound document |
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| CN2009100454501A CN101783860B (en) | 2009-01-16 | 2009-01-16 | Scanner and method for scanning bound document |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9521288B2 (en) | 2014-05-22 | 2016-12-13 | Avision Inc. | Sheet-fed scanner and image scanning method using the same |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI523484B (en) * | 2014-01-14 | 2016-02-21 | 虹光精密工業股份有限公司 | Scanning apparatus |
| WO2016024348A1 (en) * | 2014-08-13 | 2016-02-18 | 株式会社Pfu | Image reading device |
| TWI574543B (en) * | 2014-10-17 | 2017-03-11 | 虹光精密工業股份有限公司 | Scanning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9521288B2 (en) | 2014-05-22 | 2016-12-13 | Avision Inc. | Sheet-fed scanner and image scanning method using the same |
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