CN1735119A - Device and method for distinguishing scan file dimension - Google Patents
Device and method for distinguishing scan file dimension Download PDFInfo
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- CN1735119A CN1735119A CN 200410056572 CN200410056572A CN1735119A CN 1735119 A CN1735119 A CN 1735119A CN 200410056572 CN200410056572 CN 200410056572 CN 200410056572 A CN200410056572 A CN 200410056572A CN 1735119 A CN1735119 A CN 1735119A
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Abstract
This invention provides a decision device to decide a document size, which comprises a document automatic transmission device with a scanned window to transmit document, a scan device to decide the first size that document shields the scanned window and output the size, and a decision module to decide the document size according to the output first size.
Description
Technical field
The present invention is meant the device in order to the size of differentiating a file to be scanned especially about a kind of discriminating gear.
Background technology
The conventional sweep device must dispose (allocation) memory by driver (driver) earlier and come the memory scanning image before carrying out scan operation in application program (application program).Then decide as for the memory size that is disposed by file to be scanned.
In the routine techniques, flat (reflectively, RX) scanner or transmission-type (transparently, TX) scanner must be selected the size of scanning document via user oneself, perhaps scanning (preview) file is once cut out the operation of (auto crop) automatically by driver in advance.Because file has fixing Aspect Ratio, so driver can utilize the length of file to decide the width of file, and then obtain the size of file when cutting out automatically.
Routine has the scanner of automatic document feeder (automatic document feeding), and it just knew the size of file before scanning, also can use mode or the prior mode that scans that the user selects size.Utilize the mode that scans in advance also to need to use row's transducer (sensor) and detect file.Because this method need be used a plurality of transducers, so cost is comparatively expensive.
Summary of the invention
Main purpose of the present invention is to provide a kind of discriminating gear and method of discrimination, and in order to differentiate the size of a file, the element that can save the hardware of transducer also can reduce the cost.
Discriminating gear of the present invention comprise a file automatic conveying device (automatic documentfeeding, ADF), one scan device (scanner carriage), a judge module, a controller and a storage device.
File automatic conveying device (ADF) is in order to transfer files, and comprises the scanning form (scan window) that contains a predetermined pattern.Scanning means covers a first size of scanning form in order to judge file, and the output first size.The first size that judge module is exported according to scanning means is with the size of decision file.
Discriminating gear also comprises a controller, cuts the throat a primary importance in order to scanning means is moved, make scanning means on primary importance with a predetermined resolution, scanning document cover scanning form first size.The first size that judge module is exported according to scanning means, and according to a preset judgment condition, with the size of decision file.
Controller then moves scanning means and cuts the throat a second place, and scanning means and according to the size of file that judge module determines is in the content of second place scanning document and export the one scan result.Scanning result is stored in a storage device.
Discriminating gear of the present invention utilizes the method for firmware (firmware) to carry out the differentiation of document size size, does not need to increase in addition the transducer of hardware, also can save the required complicated circuit of hardware approach that uses a plurality of transducers.Therefore the present invention's element that can save hardware also can reduce cost.
Can be further understood via the following detailed description and accompanying drawings about the advantages and spirit of the present invention.
Description of drawings
Fig. 1 is the functional block diagram of discriminating gear of the present invention.
Fig. 2 is the discriminating gear differentiation of Fig. 1 and the operation chart of scanning document.
Fig. 3 is the scanning form of discriminating gear of Fig. 1 and the schematic diagram of predetermined pattern.
Fig. 4 differentiates the flow chart of the size method of a file for the present invention.
The drawing reference numeral explanation
10: discriminating gear 11: automatic conveying device
12: scanning form 13: special patterns
14: scanning means 16: controller
18: judge module 20: storage device
22: file 23: the paper feed track
Embodiment
See also Fig. 1 to Fig. 3, Fig. 1 is the functional block diagram of discriminating gear 10 of the present invention, and Fig. 2 be discriminating gear 10 differentiations of Fig. 1 and the operation chart of scanning document 22, and Fig. 3 is the scanning form 12 of discriminating gear 10 of Fig. 1 and the schematic diagram of predetermined pattern 13.Discriminating gear 10 of the present invention is in order to differentiate the size of a file 22.Discriminating gear 10 comprises a file automatic conveying device 11, one scan device 14, a judge module 18, a controller 16 and a storage device 20.
File automatic conveying device 11 is in order to transfer files 22.Camber line among Fig. 2 is in order to the paper feed track 23 of expression file automatic conveying device.File automatic conveying device 11 comprises the scanning form 12 of a predetermined pattern 13 (as shown in Figure 3) in one.Scanning means 14 covers a first size of scanning form 12 and exports this first size in order to judge file 22, and in order to the content of scanning document 22 with output one scan result.Because scanning form 12 comprises predetermined pattern 13, the situation of being covered by file 22 via predetermined pattern 13 can be judged the first size of file 22.This first size that judge module 18 is exported according to scanning means 14 is with the size of decision file 22.Controller 16 is in order to motion scan device 14.Storage device 20 is in order to store this scanning result.
As shown in Figure 2, controller 16 moves scanning means 14 and cuts the throat a primary importance I.Scanning means 14 covers the first size of scanning form 12 at primary importance I with a predetermined resolution scan file 22, and exports this first size.In one embodiment, this predetermined resolution is minimum resolution.Because minimum resolution only need spend the shortest time, therefore can obtain the result soon.In another embodiment, scanning means 14 also can utilize dual mode (binary mode) scanning document 22, therefore the analysis time that can not cost a lot of money, can judge that file 22 covers the first size of scanning form 12.
The first size that judge module 18 is exported according to scanning means 14, and according to a preset judgment condition, with the size of decision file 22.First size and preset judgment condition that judge module 18 is exported according to scanning means 14 just can determine the size of file 22.Because generic-document 22 has the length-width ratio of fixed proportion, so only need record the first size of file 22, promptly can utilize certain ratio at discriminating gear 10 of the present invention, judge the size of file 22.
As shown in Figure 2, controller 16 can move scanning means 14 and cut the throat a second place II, and scanning means 14 is according to the size of judge module 18 file that determines 22, the content of scanning document 22 and export the one scan result on second place II.This scanning result can be stored in the storage device 20.
See also Fig. 4, Fig. 4 is the flow chart of the size method of differentiation one file 22 of the present invention.The present invention also provides a kind of method of differentiating document size, below and utilize Fig. 1 to Fig. 3 to illustrate that the present invention differentiates the size method of file 22 to be scanned.The method that the present invention differentiates file 22 sizes and scanning document 22 comprises the following step:
S40: transfer files 22;
S42 a: first size of the predetermined pattern 13 primary importance I covers scanning form 12 with a predetermined resolution scanning document 22 in;
S44: judge that file 22 covers the first size of scanning form 12;
S46: according to this first size and a preset judgment condition, with the size of decision file 22;
S48: at second place II, according to the size of file 22, the content of scanning document 22 is with output one scan result;
S50: scanning result is stored in storage device 20.
As for the predetermined resolution of step S42, one of available scanning means 14 is lower than normal scan resolution and comes scanning document 22 to cover the first size of scanning form 12.As for the preset judgment condition of step S46, the length-width ratio of the fixed proportion that available generic-document 22 is all, and then judge the size of file 22.
Compare with routine techniques, the discriminating gear of scanning document size of the present invention and method utilize the method for firmware (firmware) to carry out the differentiation of document size size, do not need to increase in addition the transducer of hardware, can save the required complicated circuit of hardware approach that uses a plurality of transducers yet.Therefore the present invention can save the element of hardware, also can reduce cost.
Via the above detailed description of preferred embodiments, hope can be known description feature of the present invention and spirit more, and is not to come category of the present invention is limited with above-mentioned disclosed preferred embodiment.On the contrary, its objective is that hope can contain in the category of scope of being arranged in of various changes and tool equivalence institute of the present invention desire application.Therefore, the category of the scope that the present invention applied for should be done the broadest explanation according to above-mentioned explanation, contains the arrangement of all possible change and tool equivalence to cause it.
Claims (18)
1. discriminating gear, in order to differentiate the size of a file, this discriminating gear comprises:
One file automatic conveying device, in order to transmission this document, this document automatic conveying device comprises the one scan form;
The one scan device covers a first size of this scanning form in order to judgement this document, and exports this first size; And
One judge module, this first size of exporting according to this scanning means is with the size of decision this document.
2. discriminating gear as claimed in claim 1, wherein this first size is the width that this document covers this scanning form.
3. discriminating gear as claimed in claim 1, wherein this scanning form comprises a predetermined pattern.
4. discriminating gear as claimed in claim 1, wherein this discriminating gear also comprises a controller, cuts the throat a primary importance in order to this scanning means is moved, and makes this scanning means cover this first size of this scanning form at this primary importance scanning this document.
5. discriminating gear as claimed in claim 4, wherein with a predetermined resolution, scanning this document covers this first size of this scanning form to this scanning means on this primary importance.
6. discriminating gear as claimed in claim 5, wherein this predetermined resolution is lower than the resolution of a normal scan.
7. discriminating gear as claimed in claim 4, wherein this controller also can move this scanning means and cut the throat a second place, this scanning means and according to the size of this document that this judge module determines is in the content of this second place scanning this document and export the one scan result.
8. discriminating gear as claimed in claim 7 also has a storage device, and wherein this scanning result is stored in this storage device.
9. discriminating gear as claimed in claim 1, this first size of exporting according to this scanning means of this judge module wherein, and according to a preset judgment condition, with the size of decision this document.
10. discriminating gear as claimed in claim 1, wherein this scanning form has a special pattern, covers this special pattern via this document, to draw this first size.
11. a method of differentiating a document size, this method comprises the following step:
(a) transmission this document;
(b) cover a first size of one scan form at primary importance scanning this document to judge this document;
(c) according to this first size decision this document size.
12. method of discrimination as claimed in claim 11, wherein this first size is the width that this document covers this scanning form.
13. method of discrimination as claimed in claim 11, wherein this scanning form comprises a predetermined pattern.
14. method of discrimination as claimed in claim 11, wherein this (b) step is with a predetermined resolution, and scanning this document covers this first size of this scanning form.
15. method of discrimination as claimed in claim 14, wherein this predetermined resolution is lower than the resolution of a normal scan.
16. method of discrimination as claimed in claim 11, wherein this (c) step is according to this first size and a preset judgment condition, with the size of decision this document.
17. method of discrimination as claimed in claim 11, this method of discrimination also comprises:
(d) according to the size of this document, the content that scans this document in a second place is with output one scan result.
18. method of discrimination as claimed in claim 17 also comprises: store this scanning result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410056572 CN1735119A (en) | 2004-08-10 | 2004-08-10 | Device and method for distinguishing scan file dimension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410056572 CN1735119A (en) | 2004-08-10 | 2004-08-10 | Device and method for distinguishing scan file dimension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1735119A true CN1735119A (en) | 2006-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410056572 Pending CN1735119A (en) | 2004-08-10 | 2004-08-10 | Device and method for distinguishing scan file dimension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1735119A (en) |
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2004
- 2004-08-10 CN CN 200410056572 patent/CN1735119A/en active Pending
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