CN106973189A - A kind of dual-side image acquisition device - Google Patents
A kind of dual-side image acquisition device Download PDFInfo
- Publication number
- CN106973189A CN106973189A CN201610020453.XA CN201610020453A CN106973189A CN 106973189 A CN106973189 A CN 106973189A CN 201610020453 A CN201610020453 A CN 201610020453A CN 106973189 A CN106973189 A CN 106973189A
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- image acquisition
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- 230000001678 irradiating effect Effects 0.000 claims abstract description 5
- 238000003384 imaging method Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000000123 paper Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000010358 mechanical oscillation Effects 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 2
- 239000011087 paperboard Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
- H04N1/0282—Using a single or a few point light sources, e.g. a laser diode
- H04N1/02825—Using a single or a few point light sources, e.g. a laser diode in combination with at least one reflector which is fixed in relation to the light source
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/203—Simultaneous scanning of two or more separate pictures, e.g. two sides of the same sheet
- H04N1/2032—Simultaneous scanning of two or more separate pictures, e.g. two sides of the same sheet of two pictures corresponding to two sides of a single medium
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
A kind of dual-side image acquisition device, the casing of opening is provided with including surface, it is arranged on the light-transmitting plate at the opening, upper image securing component and bottom image acquisition components, part to be scanned is placed on light-transmitting plate by opening, and described upper image securing component and bottom image acquisition components at least includes：One is used to treat the speculum that scanned copy is imaged, a camera for receiving the part virtual image to be scanned in correspondence speculum, and a panel light for irradiating part to be scanned.The present invention substitutes traditional charge coupled cell using camera（CCD）/ contact image sensor（CIS）It is that dual-side image can be achieved to obtain simultaneously without transmission mechanism, speed is fast, cost is low etc. photoelectric effect element.Coordinate the configuration of camera and the adjustment of angle between speculum and light-transmitting plate simultaneously, the device volume can flexibly change as needed, realize the complete, true to nature of under distance as small as possible shooting image.
Description
【Technical field】
The present invention relates to the device that a kind of image acquiring device, particularly a kind of positive and negative image are obtained simultaneously.
【Background technology】
When handling miscellaneous service in places such as financial institution, customs, bureaus in charge of entry and exit visas, it is often necessary to obtain identity card, bank
The positive and negative image of the certificates such as card, Citizen Card Item and business card, file etc..Existing duplex scanning device mainly has two classes, a class such as public affairs
Accuse number duplex scanning device for being TWI233748B, including the first scanning module, the second scanning module, transmission mechanism, power source
And control process unit, by way of increasing scanning module, realize that tow sides are scanned simultaneously；It is another kind of as notification number is
CN101325633B one-sided and two-sided scanning system, including one scan module, paper feed functional module group and control process unit, pass through
Increase paper feed path, realize the duplex scanning of reverse side behind first front.Photoelectric effect element in this two classes scanner is Charged Couple
Element (CCD), or the sensing element that contact image sensor (CIS) or fast number of other light are converted into electric signal, regardless of whether
Using which kind of photoelectric effect element, its scan pattern is " line scanning ", and part to be scanned is driven by actuated element or drawing element
With photoelectric effect element relative motion, the acquisition of face image is finally completed, is had the disadvantages that：
First, product line is more taken into the line scan pattern in face, and the mode of two-sided shooting is realized especially by increase paper feed path,
Not only need the double single-sweep time, in addition it is also necessary to the paper feed time；
2nd, higher is required to the smoothness of actuated element or drawing element, if when part to be scanned is with photoelectric effect element relative motion
There is mechanical oscillation problem, then this surface of quality of scanning, particularly bank card can be influenceed to have the part to be scanned of projection, be moved through
Mechanical oscillation in journey are difficult to avoid that；
3rd, part to be scanned is driven by actuated element or drawing element, the phenomenon of paperboard easily occurs, and multiple for paper path
Miscellaneous equipment, required mechanical organ is more, causes higher cost of parts.
At present, image acquiring device of the in the market based on camera mainly has a high photographing instrument, but it is simply possible to use in one side shooting, when from
During the two-sided shooting of thing, manual turn-over is needed, it is more bothersome time-consuming, and instrument size is larger, is not easy to be integrated on other all-in-ones.
【The content of the invention】
In order to overcome the deficiencies in the prior art, the invention provides a kind of dual-side image acquisition device, using two sets by speculum,
The image acquisition components of camera, panel light composition, not only realize the same of positive and negative image in the case of mechanical transmission
When obtain, substantially increase sweep speed, it is to avoid the problem of paperboard, reduce installation cost, and by adjust speculum with
The size of angle between light-transmitting plate, moreover it is possible to change the volume of image acquiring device so that the device can flexibly be embedded in other one
In machine.
Dual-side image acquisition device of the present invention, including casing, light-transmitting plate, upper image securing component and bottom graph picture
Securing component, described casing surface is provided with an opening, and described light-transmitting plate is arranged at the opening, and part to be scanned is by opening
Mouth insertion casing internal, is placed on light-transmitting plate, the described upper image acquisition group for being used to obtain part upper surface image to be scanned
Part at least includes：The normal vector of one normal vector and part upper surface to be scanned is in 90 °~180 ° of angles and for treating scanned copy upper table
The speculum of face imaging, a normal vector is vertical with the virtual image of part upper surface to be scanned in speculum and is used to receive the shooting of the virtual image
Head, and one be arranged on casing inner wall and for irradiating the panel light of part upper surface image to be scanned, it is described to be used to obtain to be scanned
The bottom image acquisition components of part lower surface image at least include：The normal vector of one normal vector and part lower surface to be scanned is in 90 °
~180 ° of angles and the speculum for treating the imaging of scanned copy lower surface, a normal vector and part lower surface to be scanned in speculum
The virtual image is vertical and for receiving the camera of the virtual image, and one is arranged on casing inner wall and for irradiating part lower surface image to be scanned
Panel light.
The program substitutes charge coupled cell (CCD)/contact image sensor (CIS) in conventional scanners with camera
Etc. photoelectric effect element, face of realizing shoots the substitution to line scan mode, without any mechanical transmission mechanism, greatly improves image
The speed of acquisition.And camera obtains the certain visual angle of image needs, i.e., need to keep necessarily between camera and part to be scanned
Distance, distance is too small, easily causes the problems such as visual angle can not cover whole part to be scanned, scanner distorsion；Distance is too big,
Again whole device volume can be caused too big, it is impossible to be embedded into other all-in-ones.Therefore, scanned copy is treated by using speculum
Imaging, camera receives the mode of the part virtual image to be scanned, has pulled open the distance between camera and image to be received, has been conducive to this
The miniaturization of dual-side image acquisition device volume.
The present invention can be further limited and perfect by following technical measures：
As a kind of technical scheme, the angle of the normal vector of described speculum and the normal vector of part surface image to be scanned is 125 °
~145 °.In order to obtain image complete, true to nature by camera, camera is not only needed to keep certain with image to be received
Distance, and the normal vector of camera should also be vertical with image to be received.In the program, the image to be received of camera is anti-
Penetrate the virtual image on part up/down surface to be scanned in mirror.When the normal vector and the normal vector on corresponding part up/down surface to be scanned of speculum
When angle is 135 °, the virtual image in its speculum is perpendicular to light-transmitting plate, then now camera is also set perpendicular to light-transmitting plate.
, can be to the angle between the normal vector of speculum and the normal vector on surface to be scanned slightly when needing further to reduce device volume
Adjustment, while the position of camera also will accordingly be adjusted, for convenience of the setting of camera, it is ensured that picture quality, the method for speculum
The vectorial angle with the normal vector of part surface image to be scanned is advisable with 125 °~145 °.
As a kind of technical scheme, described camera is arranged on the vertical line by part virtual image center to be scanned.For small size
Dual-side image acquisition device, camera and the distance between virtual image in speculum be smaller, to obtain complete and true to nature image,
Camera need to be arranged on the vertical line by part virtual image center to be scanned.
As a kind of technical scheme, described camera is macro head.Macro head most can when small distance image is obtained
Ensure picture quality.
As a kind of technical scheme, described panel light includes diffusing reflection lampshade.Increase diffusing reflection lampshade outside panel light, improve
The uniformity of illumination, so as to avoid the quality problems that the influence cameras such as dazzle, local excessive exposure obtain image.
As optimization, described camera and panel light is arranged on the casing inner wall relative with mirror mirror, diffusing reflection lampshade
The upper vertical line intersection with crossing virtual image center in speculum is provided with aperture, and camera receives surface to be scanned in speculum by aperture
The virtual image.
As a kind of technical scheme, the side relative with opening is provided with baffle plate on described light-transmitting plate.Between baffle plate and opening
The length of distance part as to be scanned, after part to be scanned is inserted by the opening on casing, meeting baffle plate can not then continue into,
It is easy to user to confirm part placement location to be scanned.
It is used as a kind of technical scheme, in addition to fingerprint identification module and identity card identification module.In many places, such as bank,
Airport, station etc. usually need the personal identity information of examination, also need to retain personal finger print information when being necessary, and with
Public security system carries out online checking, therefore can integrated fingerprint identification module and identity card identification module in the apparatus.
To sum up, the invention discloses a kind of dual-side image acquisition device, traditional charge coupled cell is substituted by using camera
(CCD) the photoelectric effect elements such as/contact image sensor (CIS), realize positive and negative figure in the case of transmission mechanism-free
Obtained while picture, image acquisition speed is fast, installation cost is low.Coordinate speculum and its angle between light-transmitting plate simultaneously
Set so that camera with part to be scanned distance it is as small as possible in the case of obtain image complete, true to nature, and the apparatus body
Product can flexibly change as needed.The positive and negative image that this dual-side image acquisition device is applicable not only to various certificates is obtained, and is led to
Cross and change the distance between size or controllable register and opening of light-transmitting plate, it may also be used for business card, card of various sizes etc.
Dual-side image is obtained.
【Brief description of the drawings】
The sectional view of Fig. 1 embodiment of the present invention 1
The sectional view of Fig. 2 embodiment of the present invention 2
The outside drawing of Fig. 3 embodiment of the present invention 2
1- casings, 2- light-transmitting plates, 3- upper image securing components, 4- bottoms image acquisition components, 5- openings, 6/6-1/6-2- is anti-
Penetrate mirror, 7/7-1/7-2- cameras, 8/8-1/8-2- panel lights, 9/9-1/9-2- diffusing reflection lampshades, 10/10-1/10-2- apertures, 11-
Baffle plate, 12- fingerprint identification modules, 13- identity card identification modules
【Embodiment】
Embodiment 1
As depicted in figs. 1 and 2, dual-side image acquisition device includes disclosed in the present embodiment：Casing 1, light-transmitting plate 2, top
Image acquisition components 3, bottom image acquisition components 4 and baffle plate 11, wherein, upper image securing component 3 includes：Speculum
6-1, macro head 7-1 and the panel light 8-1 with diffusing reflection lampshade 9-1, bottom image acquisition components 4 include：Speculum
6-2, macro head 7-2 and the panel light 8-2 with diffusing reflection lampshade 9-2.The surface of casing 1 is provided with an opening 5, and described is saturating
Light flat board 2 is arranged at the opening 5, and the side relative with opening 5 is provided with baffle plate 11 on light-transmitting plate 2, and part to be scanned passes through
Opening 5 is inserted inside casing 1, is placed on light-transmitting plate 2.In upper image securing component 3, speculum 6-1 is arranged on
The side relative with opening 5 on light-transmitting plate 2, the angle of speculum 6-1 normal vector and the normal vector on surface to be scanned is
135 °, macro head 7-1 and panel light 8-1 are arranged on the inwall of casing 1 of 5 sides of opening, on diffusing reflection lampshade 9-1
Provided with aperture 10-1, macro head 7-1 and light-transmitting plate 2 perpendicular to and on the vertical line by part virtual image center to be scanned,
The virtual image in speculum 6-1 is received by aperture 10-1.Bottom image acquisition components 4 are with upper image securing component 3 with printing opacity
Flat board 2 is set for axial symmetry.
When carrying out the two-sided shooting of file, part to be scanned is inserted by opening 5, is allowed to be located on light-transmitting plate 2, band diffusing reflection
Lampshade 9-1 panel light 8-1 and panel light 8-1 with diffusing reflection lampshade 9-1 launch uniform light and irradiate the upper of part to be scanned respectively
Surface and lower surface, camera 7-1 and camera 7-2 receive part upper surface to be scanned and speculum 6-2 in speculum 6-1 respectively
In part lower surface to be scanned the virtual image, complete positive and negative image while obtain.
Embodiment 2
As shown in Fig. 2 and Fig. 3 (speculum is not drawn into), the present embodiment with embodiment 1 except that, in addition to fingerprint knows
In other module 12 and identity card identification module 13, and upper image securing component 3, panel light 8-1 is arranged on the top of baffle plate 11
On the inwall of casing 1, without aperture on panel light 8-1 diffusing reflection lampshade 9-1, it is adjacent that speculum 6-1 is arranged on baffle plate 11
Side, camera 7-1 is arranged on the side relative with speculum 6-1, speculum 6-1 normal vector and the normal direction on surface to be scanned
The angle of amount is 143 °, and camera 7-1 faces speculum 6-1, and camera 7-1 and light-transmitting plate 2 angle are 106 °,
Bottom image acquisition components 4 are set with upper image securing component 3 with light-transmitting plate 2 for axial symmetry.
When part to be scanned is identity card, after the positive and negative image of identity card is obtained, identity card is placed in identity card identification module
13, the identity information of user can be obtained.By the way that finger is placed in into fingerprint identification module 12, user fingerprints information can be gathered.
Claims (8)
1. a kind of dual-side image acquisition device, it is characterised in that including casing (1), light-transmitting plate (2), upper image securing component (3)
With bottom image acquisition components (4), described casing (1) surface is provided with an opening (5), and described light-transmitting plate (2) is arranged on this
Be open (5) place, and it is internal that part to be scanned inserts casing (1) by opening (5), is placed on light-transmitting plate (2), described to be used to obtain
The upper image securing component (3) of part upper surface image to be scanned at least includes：
The normal vector of one normal vector and part upper surface to be scanned is in 90 °~180 ° of angles and for treating the imaging of scanned copy upper surface
Speculum (6-1),
One normal vector is vertical with the virtual image of part upper surface to be scanned in speculum (6-1) and for receiving the camera (7-1) of the virtual image,
Casing (1) inwall is arranged on one and for irradiating the panel light (8-1) of part upper surface to be scanned,
The described bottom image acquisition components (4) for being used to obtain part lower surface image to be scanned at least include：
The normal vector of one normal vector and part lower surface to be scanned is in 90 °~180 ° of angles and for treating the imaging of scanned copy lower surface
Speculum (6-2),
One normal vector is vertical with the virtual image of part lower surface to be scanned in speculum (6-2) and for receiving the camera (7-2) of the virtual image,
Casing (1) inwall is arranged on one and for irradiating the panel light (8-2) of part lower surface to be scanned.
2. dual-side image acquisition device as claimed in claim 1, it is characterised in that the normal vector of described speculum (6) is swept with waiting
The angle for retouching the normal vector of part surface image is 125 °~145 °.
3. dual-side image acquisition device as claimed in claim 1, it is characterised in that described camera (7) is arranged on by waiting to sweep
On the vertical line for retouching part virtual image center.
4. dual-side image acquisition device as claimed in claim 1, it is characterised in that described camera (7) is macro head.
5. dual-side image acquisition device as claimed in claim 1, it is characterised in that described panel light (8) includes diffusing reflection lampshade
(9)。
6. the dual-side image acquisition device as described in claim 1 or 5, it is characterised in that described camera (7) and panel light (8)
It is arranged on casing (1) inwall relative with speculum (6) minute surface, with crossing virtual image center in speculum (6) on diffusing reflection lampshade (9)
Vertical line intersection be provided with aperture, camera (7) passes through the virtual image that aperture (10) receives part to be scanned in speculum (6).
7. dual-side image acquisition device as claimed in claim 1, it is characterised in that with opening (5) phase on described light-transmitting plate (2)
To side be provided with baffle plate (11).
8. dual-side image acquisition device as claimed in claim 1, it is characterised in that also including fingerprint identification module (12) and identity card
Identification module (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610020453.XA CN106973189A (en) | 2016-01-13 | 2016-01-13 | A kind of dual-side image acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610020453.XA CN106973189A (en) | 2016-01-13 | 2016-01-13 | A kind of dual-side image acquisition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106973189A true CN106973189A (en) | 2017-07-21 |
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ID=59334336
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610020453.XA Pending CN106973189A (en) | 2016-01-13 | 2016-01-13 | A kind of dual-side image acquisition device |
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| CN (1) | CN106973189A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113574537A (en) * | 2019-03-29 | 2021-10-29 | 创新先进技术有限公司 | Biometric identification using composite hand images |
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| CN205490809U (en) * | 2016-01-13 | 2016-08-17 | 浙江中正智能科技有限公司 | Two -sided image acquisition device |
-
2016
- 2016-01-13 CN CN201610020453.XA patent/CN106973189A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040057097A1 (en) * | 2002-09-24 | 2004-03-25 | Veutron Corporation | Optical device of scanner |
| CN1531326A (en) * | 2003-03-14 | 2004-09-22 | 力捷电脑股份有限公司 | Scanner with double-face scanning function |
| US20080024836A1 (en) * | 2006-07-31 | 2008-01-31 | Sundnes John P | Digital Sensor Whole Image Scanning Device |
| CN103115637A (en) * | 2013-02-06 | 2013-05-22 | 深圳市成星自动化***有限公司 | Gauge remote digital image acquisition device |
| CN203177873U (en) * | 2013-02-06 | 2013-09-04 | 深圳市成星自动化***有限公司 | Meter remote digital image obtaining device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113574537A (en) * | 2019-03-29 | 2021-10-29 | 创新先进技术有限公司 | Biometric identification using composite hand images |
| CN113574537B (en) * | 2019-03-29 | 2024-04-19 | 创新先进技术有限公司 | Biometric identification using composite hand images |
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Address after: 310012 Zhejiang Hangzhou Xihu District Wensanlu Road 90 71 Building 5 East 505-508, West 501-508 room Applicant after: MIAXIS BIOMETRICS Co.,Ltd. Address before: 310012 A1201-A1204 12 room, science and technology mansion, 90 East Wensanlu Road Software Park, Wensanlu Road, Hangzhou, Zhejiang. Applicant before: MIAXIS BIOMETRICS Co.,Ltd. |
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Application publication date: 20170721 |
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