CN1531326A - Scanner with double-face scanning function - Google Patents
Scanner with double-face scanning function Download PDFInfo
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- CN1531326A CN1531326A CNA031205682A CN03120568A CN1531326A CN 1531326 A CN1531326 A CN 1531326A CN A031205682 A CNA031205682 A CN A031205682A CN 03120568 A CN03120568 A CN 03120568A CN 1531326 A CN1531326 A CN 1531326A
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Abstract
A scanner with double face scanning function, used for scanning first face and second face of the file, comprises chassis, transmit plate and underpart optical mechanical device. The chassis has an opening part,the transmit plate is positioned at the opening part. The underpart optical mechanical device is positioned in the chassis in the chassis under the transmit plate. The underpart optical mechanical device also has a image sensible head. The scanner at least includes: a file holder positioned above the transmit plate used for fixing the file and making the file positioning above the transmit plate with upright state. The first upside optical mechanical device is positioned at the one side of first face above the transmit plate, used for scanning the first face; the second upside optical mechanical device is positioned at the second face above the transmit plate, used for scanning the second face.
Description
Technical field
The present invention relates to and a kind of scanner with double-sided scanning function, particularly a kind of first and scanner with two-sided function of second that is used to scan first file to be scanned.
Background technology
In the middle of numerous peripheries of PC, scanner one of the basic outfit of can saying so.General platform-type scanner only can provide the usefulness as the single-sweep of file mostly, so the scanner of tool double-sided scanning function, becomes the big event in the research and development then.
With reference to Fig. 1, it is the schematic diagram of expression traditional platform formula scanner.Platform-type scanner 100 has a casing 110, it on the casing 110 the printing opacity flat board 120 of placing file to be scanned (not being shown among the figure), casing 110 inside then are provided with a bottom ray machine (lower chassis) 130, are provided with a light supply apparatus 140 on the bottom ray machine 130.Platform-type scanner 100 use tractive elements 150 drive bottom ray machine 130 and move around on directions X, and 160 of jockeys are used to connect bottom ray machine 130 and tractive element 150 in addition.
When beginning to carry out scanning motion, tractive element 150 drives bottom ray machine 130 by jockey 160 and is arranged at light supply apparatus 140 on the bottom ray machine 130.This moment, light supply apparatus 140 emitted beam, after this light is reflected by the scanning document on the printing opacity flat board 120, again via a plurality of mirror reflects in the bottom ray machine 130, and by after the lens light gathering, receive light signal (speculum, lens and photoelectric effect element all are not shown among the figure) by the photoelectric effect element, convert electric signal again to, platform-type scanner 100 is handled this electric signal again, so goes down in regular turn to finish scanning motion.
Wherein, the photoelectric effect element can be charge coupled cell (charge coupled device, CCD), contact image sensor (contact image sensor, CIS) or other can convert the light signal to the sensing element of electric signal.And tractive element 150 can be steel cable, belt or other can drive the element that bottom ray machine 130 moves.And tractive element 150 also is connected to a transmission device (not being shown among the figure).This transmission device is made of train of reduction gears and motor.
The scanner of traditional platform formula, it only has the function of single-sweep, if desire to be engaged in the duplex scanning of file, then must scan twice, and is not only convenient inadequately, and spended time.
By above as can be known, traditional platform-type scanner has following shortcoming:
One, the function that only has single-sweep: traditional platform-type scanner, its design is the usefulness that is used for as the single-sweep of file, and can't be used for doing the work of duplex scanning.
Two, if be engaged in duplex scanning, then than spended time: duplex scanning, then be equivalent to scan two parts of files, after file has scanned once, the file taking-up again with the another side run-down of file, must be spent two times sweep time.
Summary of the invention
In view of this, purpose of the present invention is exactly that a kind of scanner with double-sided scanning function is being provided, and purpose is as follows:
One, makes function with duplex scanning.
Two, make the time of the required cost of duplex scanning can be the same with single-sweep.
According to above-mentioned many purposes, the present invention proposes a kind of scanner with double-sided scanning function, is summarized as follows with regard to its architectural feature now:
A kind of scanner with double-sided scanning function, this scanner is used to scan first and second of file to be scanned, this scanner has casing, printing opacity flat board and bottom ray machine, casing has a peristome, the printing opacity flat panel configurations is at peristome, the bottom ray machine is configured in the casing of the dull and stereotyped downside of printing opacity, the bottom ray machine also has an image sensing element, this scanner comprises at least: a document block, be configured in the dull and stereotyped upside of printing opacity, this document block is used for fixing this document, so that the mode that file is erect is positioned at the dull and stereotyped upside of printing opacity; One first top ray machine (upper chassis) is configured in a side of first of the dull and stereotyped upside of printing opacity, is used to scan first; And one second top ray machine, be configured in a side of second of the dull and stereotyped upside of printing opacity, be used to scan second.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and be described with reference to the accompanying drawings as follows.
Description of drawings
Fig. 1 is the schematic diagram of expression traditional platform formula scanner.
Fig. 2 is the stereogram of expression according to the scanner with double-sided scanning function of preferred embodiment of the present invention.
Fig. 3 is the file two-sided catoptrical schematic diagram of expression according to the scanner with double-sided scanning function of preferred embodiment of the present invention.
Fig. 4 A is that expression two top ray machines of the present invention can be synchronized with the coupling mode front view that the bottom ray machine moves.
Fig. 4 B is that expression two top ray machines of the present invention can be synchronized with the coupling mode end view that the bottom ray machine moves.
Embodiment
Scanner with double-sided scanning function provided by the present invention, its characteristics are to carry out simultaneously the duplex scanning of file to be scanned.The scanner of traditional platform formula can only be as the usefulness of single-sweep.If will be engaged in the duplex scanning work of file, then file must be done rescan, not only effort and time-consuming.Scanner with double-sided scanning function of the present invention is in the casing of the dull and stereotyped downside of the printing opacity of scanner, disposes one group of bottom ray machine.The bottom ray machine then includes a group image sensing element.At the dull and stereotyped upside of printing opacity, then dispose one can make document block that file to be scanned erects with two groups of top ray machines that are positioned at file face both sides respectively.Have light supply apparatus and speculum respectively in these two groups of top ray machines.Light supply apparatus is the two sides that is used for shining the file of setting respectively, makes it to produce reverberation.Speculum then is used for reverberation is reflexed to the bottom ray machine, makes image sensing element in the ray machine of bottom be received the reverberation of file.Wherein, the mode of scanner scans file can be document block and maintains static, and two top ray machines are with the same moved further of bottom ray machine; Or two top ray machines and bottom ray machine all maintain static, and the mode that document block moves is scanned.
With reference to Fig. 2, its expression is according to the stereogram of the scanner with double-sided scanning function of a preferred embodiment of the present invention.The printing opacity flat board 205 of scanner 200 has and parallel first side 210, the isolating line 215 of directions X shown in the diagram, and the second side 220 parallel with the Y direction.Isolating line 215 also separates printing opacity flat board 205 and is first area 225 and second area 230.The principle of duplex scanning of the present invention is, file to be scanned (not being shown among the figure) inserted in the document slot 240 of document block 235 of light-permeable.A side of first 245 of file has the first top ray machine that comprises first light supply apparatus 250 and first speculum 255.First 245 of first light supply apparatus, 250 shot file makes it to produce one first reverberation (not being shown among the figure), first speculum 255 is again with first reverberation reflection, makes it transmission first area 225 and received by the image sensing element (not being shown in figure) that is arranged in casing 260 and the first top ray machine corresponding bottom ray machine (not being shown in figure).In like manner, second face of file also can make the second reverberation transmission second area 230 via the reflection of the irradiation of the secondary light source device in the second top ray machine and second speculum and be received by the image sensing element in the ray machine of bottom.See through such mode, make the first top ray machine and the second top ray machine again, corresponding to the bottom ray machine and and 235 of document blocks have a relative displacement of 205 directions (directions X among the figure) along the first side, can finish the duplex scanning of file to be scanned.
For making the explanation of the present invention can be more detailed, refer again to Fig. 3, its expression is according to the two-sided catoptrical schematic diagram of file of the scanner with double-sided scanning function of preferred embodiment of the present invention.Scanner 200 with double-sided scanning function is used to scan first 245 and second 310 an of file 305 to be scanned.Scanner 200 has casing 260, printing opacity dull and stereotyped 205 and bottom ray machine 315.Casing has peristome 320, and printing opacity flat board 205 is configured in peristome 320.Bottom ray machine 315 then is configured in the casing 260 of dull and stereotyped 205 downsides of printing opacity, and bottom ray machine 315 also has image sensing element (not being shown among the figure).Scanner 200 comprises: document block 235, the first top ray machine and the second top ray machine.Dull and stereotyped 205 upsides of document block 235 configuration printing opacities are used for fixing file 305, so that the mode that file 305 is erect is positioned at dull and stereotyped 205 upsides of printing opacity.The first top ray machine is configured in a side of first 245 of the file 305 of dull and stereotyped 205 upsides of printing opacity, is used for first 245 of scanning document 305.The first top ray machine comprises: first light supply apparatus 250 and first speculum 255.First light supply apparatus 250 is used to shine first 245 so that first 245 reflection first reverberation 335.First speculum 255 is used to reflect first reverberation 335 to bottom ray machine 315, so that image sensing element is received first reverberation 335.The second top ray machine is configured in a side of second 310 of the file 305 of dull and stereotyped 205 upsides of printing opacity, is used for second 310 of scanning document 305.The second top ray machine comprises: the secondary light source device 345 and second speculum 350.Secondary light source device 345 is used to shine second 310, so that second 310 reflection second reverberation 355.Second speculum 350 is used to reflect second reverberation 355 to bottom ray machine 315, so that image sensing element is received second reverberation 355.
On the practice, printing opacity flat board 205 has perpendicular to the first side of page (being the directions X among Fig. 2), second side and the isolating line (all be not shown in Fig. 3, but be shown in Fig. 2) parallel with the Y direction.Isolating line is parallel to the first side and printing opacity flat board 205 is separated and is first area 225 and second area 230.The first top ray machine is positioned at 225 tops, first area, and the second top ray machine then is positioned at second area 230 tops.Document block 235 can make the normal vector of file 305 be able to the normal vector quadrature with printing opacity flat board 205, and can make the base of file 305 be able to corresponding with isolating line.And the normal vector of first speculum 255 is respectively to press from both sides 135 angles of spending with first 245 the normal vector and the normal vector of printing opacity flat board 205 respectively, makes reverberation 335 transmissive first area 225 to the bottom ray machines 315 of winning.In like manner, the normal vector of second speculum 350 also is respectively to press from both sides 135 angles of spending with second 310 the normal vector and the normal vector of printing opacity flat board 205 respectively, makes second reverberation, 355 transmissive second areas 230 to bottom ray machine 315.
In addition, the first top ray machine and the second top ray machine be corresponding to bottom ray machine 315, and and relative displacement must be arranged between the document block 235, scanner 200 just is able to scanning document 305.Its practice has following two kinds of modes: one is for making document block 235 and casing 260 affixed, and bottom ray machine 315 is moved along the direction of first side, and the first top ray machine and the second top ray machine are also along the direction and the bottom ray machine 315 same moved further of first side.Another kind of mode is then for to make document block 235 move along the direction of first side, and bottom ray machine 315 is fixed in the casing 260, and the first top ray machine and the second top ray machine then correspond respectively to bottom ray machine 315 and affixed with casing 260.
Moreover the configurable shade of periphery (not being shown among the figure) of first light supply apparatus 250 and secondary light source device 345 then has a slit (not being shown among the figure) on the shade, can make only this slit of transmissive of light supply apparatus 250,345 light that sent.Can avoid causing the generation of the not good stray light of scanning quality with this.250,345 of light supply apparatuses can be cold-cathode tube (cold cathode fluorescent lamp, CCFL) or discharge lamp (discharged lamp).Image sensing element then can be charge coupled cell (charge coupled device, CCD) or contact image sensor (contact image sensor, CIS).
Please be simultaneously with reference to Fig. 4 A and Fig. 4 B, it illustrates two top ray machines of the present invention can be synchronized with the coupling mode figure that the bottom ray machine moves.Fig. 4 A is the front view of Fig. 2, and Fig. 4 B then is the end view of Fig. 2.The first top ray machine with first light supply apparatus 250 and first speculum 255 disposes first pilot pin 410.The second top ray machine with secondary light source device 345 and second speculum 350 then disposes second pilot pin 420.Bottom ray machine 305 then disposes first pin-and-hole 430 and second pin-and-hole 440.The first top ray machine and the second top ray machine respectively with the coupling mode of bottom ray machine 315 be can see through first pilot pin 410 and first pin-and-hole 430 combine and and second pilot pin 420 with combining of second pin-and-hole 440 for it.When bottom ray machine 315 when directions X moves, the first top ray machine and the second top ray machine can be with bottom ray machine 315 same moved further.
It should be noted that, the geometry of each object only is an example of the present invention among the embodiment, be not to be used to limit applicable elements of the present invention, without departing from the spirit of the present invention, any those skilled in the art all can be adjusted and be reached the similar function with the present invention.
The disclosed scanner with double-sided scanning function of the above embodiment of the present invention has the following advantages at least:
One, the function that has duplex scanning: two top ray machines and the setting that can make the document block of file setting to be scanned make scanner of the present invention have the function of duplex scanning.
Two, the time of duplex scanning is the same with single-sweep: two top ray machines are with the same moved further of bottom ray machine, and document block maintains static, or two top ray machines maintain static with the bottom ray machine, and the mode that document block moves makes that the two sides of file can be scanned by the bottom ray machine simultaneously.Therefore, secondary need not scanned in the two sides of scanning document.So the time that duplex scanning is spent is the same with single-sweep.
In sum; though the present invention with a preferred embodiment openly as above; so it is not to be used to limit the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can be used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking the accompanying Claim person of defining.
The drawing reference numeral explanation
100,200: scanner
110,260: casing
120,205: the printing opacity flat board
130,315: the bottom ray machine
140: light supply apparatus
150: the tractive element
160: jockey
210: the first side
215: septal line
220: the second side
225: the first area
230: second area
235: document block
240: document slot
245: the first
250: the first light supply apparatuses
255: the first speculums
305: file
310: the second
320: peristome
335: the first reverberation
345: the secondary light source device
350: the second reverberation
410: the first pilot pins
420: the second pilot pins
430: the first pin-and-holes
440: the second pin-and-holes
Claims (26)
1. scanner with double-sided scanning function, this scanner is used to scan one first and one second an of file to be scanned, this scanner has a casing, a printing opacity is dull and stereotyped and a bottom ray machine, this casing has a peristome, this printing opacity flat panel configurations is at this peristome, this bottom ray machine is configured in this casing of the dull and stereotyped downside of this printing opacity, and this bottom ray machine also has an image sensing element, and this scanner comprises at least:
One is configured in the document block of the dull and stereotyped upside of this printing opacity, and this document seat is used for fixing this document, so that the mode that this document is erect is positioned at the dull and stereotyped upside of this printing opacity;
One is configured in this side of first of the dull and stereotyped upside of this printing opacity and is used to scan this first top ray machine of first, and this first top ray machine comprises:
One is used to shine this first so that this first reflection one first catoptrical first light supply apparatus; With
One be used to reflect this first reverberation to this bottom ray machine so that this image sensing element is received this first catoptrical first speculum; And
One is configured in this side of second of the dull and stereotyped upside of this printing opacity and is used to scan this second top ray machine of second, and this second top ray machine comprises:
One is used to shine this second so that this second reflection one second catoptrical secondary light source device; With
One be used to reflect this second reverberation to this bottom ray machine so that this image sensing element is received this second catoptrical second speculum.
2. scanner as claimed in claim 1, it is characterized in that: this printing opacity flat board has a first side, a second side and an isolating line, this isolating line is parallel to this first side and this printing opacity flat board is separated is a first area and a second area, this first top ray machine is positioned at this top, first area, this second top ray machine is positioned at this second area top, this document seat can make the normal vector of this document be able to normal vector quadrature with this printing opacity flat board, and can make the base of this document be able to corresponding with this isolating line.
3. scanner as claimed in claim 2, it is characterized in that: this first mirror normal vector is the angle of respectively pressing from both sides 135 degree respectively with the normal vector of this normal vector of first and this printing opacity flat board, makes this this first area of first reverberation transmission to this bottom ray machine.
4. scanner as claimed in claim 3, it is characterized in that: this second mirror normal vector is the angle of respectively pressing from both sides 135 degree respectively with the normal vector of this normal vector of second and this printing opacity flat board, makes this this second area of second reverberation transmission to this bottom ray machine.
5. scanner as claimed in claim 4 is characterized in that: this document seat is affixed with this casing.
6. scanner as claimed in claim 5 is characterized in that: this bottom ray machine is to move along the direction of this first side, and this first top ray machine and this second top ray machine also can be along the direction and the same moved further of this bottom ray machine of this first side.
7. scanner as claimed in claim 4 is characterized in that: this document seat is to move along the direction of this first side.
8. scanner as claimed in claim 7 is characterized in that: this bottom ray machine is to be fixed in this casing, and this first top ray machine and this second top ray machine are to correspond respectively to this bottom ray machine and affixed with this casing.
9. scanner as claimed in claim 1 is characterized in that: this image sensing element is a charge coupled cell.
10. scanner as claimed in claim 1 is characterized in that: this image sensing element is a contact image sensor.
11. scanner as claimed in claim 1 is characterized in that: this first light supply apparatus and this secondary light source device are to be respectively cold-cathode tube.
12. scanner as claimed in claim 1 is characterized in that: this first light supply apparatus and this secondary light source device are to be respectively discharge lamp.
13. scanner as claimed in claim 1 is characterized in that: this light supply apparatus periphery disposes a shade, and this shade also has a slit, and this shade makes only this slit of transmissive of light that this light supply apparatus sends.
14. duplex scanning device assembly that is used for the one scan device, this scanner is used to scan one first and one second an of file to be scanned, this scanner has a casing, a printing opacity is dull and stereotyped and a bottom ray machine, this casing has a peristome, this printing opacity flat panel configurations is at this peristome, this bottom ray machine is configured in this casing of the dull and stereotyped downside of this printing opacity, and this bottom ray machine also has an image sensing element, and this duplex scanning assembly comprises at least:
One is configured in the document block of the dull and stereotyped upside of this printing opacity, and this document seat is used for fixing this document, so that the mode that this document is erect is positioned at the dull and stereotyped upside of this printing opacity;
One is configured in this side of first of the dull and stereotyped upside of this printing opacity and is used to scan this first top ray machine of first, and this first top ray machine comprises:
One is used to shine this first so that this first reflection one first catoptrical first light supply apparatus; With
One be used to reflect this first reverberation to this bottom ray machine so that this image sensing element is received this first catoptrical first speculum; And
One is configured in this side of second of the dull and stereotyped upside of this printing opacity and is used to scan this second top ray machine of second, and this second top ray machine comprises;
One is used to shine this second so that this second reflection one second catoptrical secondary light source device; With
One be used to reflect this second reverberation to this bottom ray machine so that this image sensing element is received this second catoptrical second speculum.
15. duplex scanning assembly as claimed in claim 14, it is characterized in that: this printing opacity flat board has a first side, a second side and an isolating line, this isolating line is parallel to this first side and this printing opacity flat board is separated is a first area and a second area, this first top ray machine is positioned at this top, first area, this second top ray machine is positioned at this second area top, this document seat can make the normal vector of this document be able to normal vector quadrature with this printing opacity flat board, and can make the base of this document be able to corresponding with this isolating line.
16. duplex scanning assembly as claimed in claim 15, it is characterized in that: this first mirror normal vector is the angle of respectively pressing from both sides 135 degree respectively with the normal vector of this normal vector of first and this printing opacity flat board, makes this this first area of first reverberation transmission to this bottom ray machine.
17. duplex scanning assembly as claimed in claim 16, it is characterized in that: this second mirror normal vector is the angle of respectively pressing from both sides 135 degree respectively with the normal vector of this normal vector of second and this printing opacity flat board, makes this this second area of second reverberation transmission to this bottom ray machine.
18. duplex scanning assembly as claimed in claim 17 is characterized in that: this document seat is affixed with this casing.
19. duplex scanning assembly as claimed in claim 18 is characterized in that: this bottom ray machine is to move along the direction of this first side, and this first top ray machine and this second top ray machine also can be along the direction and the same moved further of this bottom ray machine of this first side.
20. duplex scanning assembly as claimed in claim 17 is characterized in that: this document seat is to move along the direction of this first side.
21. duplex scanning assembly as claimed in claim 20 is characterized in that: this bottom ray machine is to be fixed in this casing, and this first top ray machine and this second top ray machine are to correspond respectively to this bottom ray machine and affixed with this casing.
22. duplex scanning assembly as claimed in claim 14 is characterized in that: this image sensing element is a charge coupled cell.
23. duplex scanning assembly as claimed in claim 14 is characterized in that: this image sensing element is a contact image sensor.
24. duplex scanning assembly as claimed in claim 14 is characterized in that: this first light supply apparatus and this secondary light source device are to be respectively cold-cathode tube.
25. duplex scanning assembly as claimed in claim 14 is characterized in that: this first light supply apparatus and this secondary light source device are to be respectively discharge lamp.
26. duplex scanning assembly as claimed in claim 14 is characterized in that: this light supply apparatus periphery disposes a shade, and this shade also has a slit, and this shade makes only this slit of transmissive of light that this light supply apparatus sends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031205682A CN100359912C (en) | 2003-03-14 | 2003-03-14 | Scanner with double-face scanning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031205682A CN100359912C (en) | 2003-03-14 | 2003-03-14 | Scanner with double-face scanning function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1531326A true CN1531326A (en) | 2004-09-22 |
| CN100359912C CN100359912C (en) | 2008-01-02 |
Family
ID=34285401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031205682A Expired - Fee Related CN100359912C (en) | 2003-03-14 | 2003-03-14 | Scanner with double-face scanning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100359912C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100504660C (en) * | 2006-08-23 | 2009-06-24 | 联想(北京)有限公司 | Duplicator and duplicating method |
| CN101917534A (en) * | 2010-06-02 | 2010-12-15 | 武振平 | Device for shooting, collecting and copying both sides of card-type credentials in real time |
| CN102291513A (en) * | 2011-09-08 | 2011-12-21 | 东莞光阵显示器制品有限公司 | Certificate shooting method and certificate shooting instrument implementing method |
| CN106973189A (en) * | 2016-01-13 | 2017-07-21 | 浙江中正智能科技有限公司 | A kind of dual-side image acquisition device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5055211B2 (en) * | 2008-06-30 | 2012-10-24 | 株式会社リコー | Illumination unit, reading apparatus, and image forming apparatus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2591479B2 (en) * | 1994-06-01 | 1997-03-19 | 日本電気株式会社 | Media board |
| WO2002007427A1 (en) * | 2000-07-18 | 2002-01-24 | Matsushita Electric Industrial Co., Ltd. | Image processor, its image reader and fiber lens, and method for manufacturing fiber lens |
| JP3579644B2 (en) * | 2000-10-25 | 2004-10-20 | シャープ株式会社 | Double-sided document reading device and image forming device |
-
2003
- 2003-03-14 CN CNB031205682A patent/CN100359912C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100504660C (en) * | 2006-08-23 | 2009-06-24 | 联想(北京)有限公司 | Duplicator and duplicating method |
| CN101917534A (en) * | 2010-06-02 | 2010-12-15 | 武振平 | Device for shooting, collecting and copying both sides of card-type credentials in real time |
| CN102291513A (en) * | 2011-09-08 | 2011-12-21 | 东莞光阵显示器制品有限公司 | Certificate shooting method and certificate shooting instrument implementing method |
| CN102291513B (en) * | 2011-09-08 | 2014-02-19 | 东莞光阵显示器制品有限公司 | Certificate shooting method and certificate shooting instrument implementing method |
| CN106973189A (en) * | 2016-01-13 | 2017-07-21 | 浙江中正智能科技有限公司 | A kind of dual-side image acquisition device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100359912C (en) | 2008-01-02 |
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