CN102917153A - Linear array image reading device - Google Patents
Linear array image reading device Download PDFInfo
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- CN102917153A CN102917153A CN2012104710091A CN201210471009A CN102917153A CN 102917153 A CN102917153 A CN 102917153A CN 2012104710091 A CN2012104710091 A CN 2012104710091A CN 201210471009 A CN201210471009 A CN 201210471009A CN 102917153 A CN102917153 A CN 102917153A
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Abstract
The invention discloses a linear array image reading device. The linear array image reading device comprises a first sensor capable of reading the content in the whole width of an original manuscript, and a second sensor capable of reading the content in a local range of the original manuscript, wherein the two image sensors can simultaneously read the same or near focal positions of the original manuscript, and the reading direction of the second image sensor is changeable. The image reading device provided by the invention can simultaneously read the information of a normal image and an embedded holographic image of negotiable securities, such as the paper money, by single pass, is convenient to use and has high practical value.
Description
Technical field
The present invention relates to a kind of linear image reading device, is a kind ofly can scan simultaneously the linear image reading device that reads to the normal image of the marketable securities such as bank note and its contained hologram image specifically.
Background technology
Fig. 1 is the sectional drawing of existing linear image reading device, 1 is the line lighting source that can send light and uniform irradiation original copy among the figure, the 2nd, the lens that extend upwardly to whole read range and the original copy reverberation can be focused at the Vertical Square of original copy moving direction, the 3rd, a plurality of sensor chips that are used for receiver lens 2 light that converges that are arranged in a straight line, the 4th, the sensor base plate of lift-launch the sensor chip, the 6th, hold light source 1, lens arra 2, the framework of sensor base plate 4,5 are arranged on the glass plate of the lift-launch original copy on the framework 6, and the 7th, the socket that is used to sensor base plate power supply or control signal to be provided and the view data that reads is outwards transmitted that arranges on the sensor base plate.
In above-mentioned image read-out, the light that light source 1 sends, see through glass plate 5, shine on the original copy 8 of outside, the literal black region light on the original copy 8 is absorbed, and in other white undercolor region of original copy, light almost 100% is reflected, these reverberation pass glass plate 5 again, are collected by lens arra 2, shine on the sensor chip 3 that carries on the sensor base plate 4.Under the control of sensor chip 3 at internal circuit, convert the light signal that receives to the signal of telecommunication, and through overdrive circuit output, finally outwards export as image (literal) information by interface 7.Original copy is constantly mobile, and the image information of putting down in writing on it (literal) will be read continuously.
But above-mentioned linear image reading device, because the direction of illumination of light source is fixed, read direction is also fixed, so can only read the normal image of original copy, the coloured image of original copy can be read such as configuration in the light source during red-green-blue, the infrared image of original copy can be read in the light source during configuration infrared light.Need to change the original copy of light source irradiation direction or correct its image of read direction ability for images such as the hologram image that comprises in the marketable securities such as bank note or color shifting inks, above-mentioned image read-out is just helpless.
Recently also have some image read-outs within it section added other one group of light source that direction of illumination is different, use two groups of different light sources of direction of illumination to carry out reading of different directions to the image of color shifting ink, but still can not read hologram image, and this image read-out just can only be used for reading the color shifting ink image when being used for reading the color shifting ink image and can not read original normal image.
There is following problem in above-mentioned linear image reading device: because the conventional images reading device can only read normal image and maybe can only read the color shifting ink image, can not read the hologram image in the special original copy, image that can not two kinds of character reads simultaneously, affect the identification of special original copy, also caused very large inconvenience to use.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of and can read normal image, also can read the Non-Conventional imageries such as hologram image or color shifting ink image, and normal image and Non-Conventional imagery can be realized the linear image reading device that reads simultaneously.
The present invention can reach by following measure:
A kind of linear image reading device comprises be used to the first imageing sensor that reads the whole breadth width of original copy with for the second imageing sensor that reads the original copy subrange, it is characterized in that:
Described the first imageing sensor comprises first light source that can shine the whole read range of original copy at least, Vertical Square at the original copy moving direction extends upwardly to the first lens that whole read range also can focus on the original copy reverberation, a plurality of be arranged in a straight line can receive the first sensor chip that first lens converges light, carry the first sensor substrate of aforementioned first sensor chip, and the first framework that holds above-mentioned the first light source, first lens, first sensor substrate
Described the second imageing sensor comprises the secondary light source that can shine original copy part scope at least, receive the second lens of the light of original copy reflection secondary light source, receive the second sensor chip that the second lens mirror converges light, carry the second sensor base plate of aforementioned the second sensor chip, and the second framework that holds above-mentioned secondary light source, the second lens, the second sensor base plate
Described the second imageing sensor and the first imageing sensor interconnect in structure, and have the identical or close focal position that can read simultaneously original copy,
With respect to the first imageing sensor, the light source irradiation direction of the second imageing sensor can be different with the scanning direction, and can change,
The second imageing sensor and the first imageing sensor be reading images signal and respectively outwards transmission independently of each other.
Linear image reading device of the present invention, its second imageing sensor can have a plurality of, is connected on the different position of first sensor, and a plurality of the second transducers light source irradiation direction and read direction each other can be different.
Linear image reading device of the present invention is characterized in that structure and the performance between a plurality of the second imageing sensors can be different.
Effect of the present invention is, comprise in the linear image reading device be used to the first imageing sensor that reads the whole breadth width of original copy with for the second imageing sensor that reads the original copy subrange, first sensor is used for reading the normal image of original copy, the second transducer can change light source irradiation direction and read direction, for Non-Conventional imageries such as the color shifting ink image that reads original copy or hologram images, two image sensings can carry out image reading independently of each other, thereby read when having realized normal image and Non-Conventional imagery, improved the recognition capability of image read-out to special original copy, also generous the use.
Description of drawings
Fig. 1 is the sectional schematic diagram of existing linear image reading device.
Fig. 2 is the sectional schematic diagram of the embodiment of the invention 1 linear image reading device.
Fig. 3 is the schematic top plan view of the linear image reading device of the embodiment of the invention 1.
Fig. 4 is the schematic top plan view of the second imageing sensor of the embodiment of the invention 1.
Fig. 5 is the local back side structural representation of the embodiment of the invention 1.
Fig. 6 is the schematic top plan view of the linear image reading device of the embodiment of the invention 2.
Fig. 7 is the schematic top plan view of the linear image reading device of the embodiment of the invention 3.
Fig. 8 is the schematic top plan view of the second imageing sensor of the embodiment of the invention 3.
Embodiment
The invention will be further described below in conjunction with accompanying drawing:
Embodiment 1: Fig. 2 is the cross-section structure of the linear array images device of the embodiment of the invention 1,101 is first light sources that can send light and the whole original copy amplitude of uniform irradiation among the figure, the 102nd, the first lens that extends upwardly to whole read range and the original copy reverberation can be focused at the Vertical Square of original copy moving direction, the 103rd, a plurality of first sensor chips that are used for receiver lens array 102 light that converges that are arranged in a straight line, the 104th, carry the first sensor substrate of above-mentioned a plurality of sensor chips 103, the 106th, hold light source 101, lens 102, the first framework of sensor base plate 104,105 are arranged on the glass plate of the lift-launch original copy on the framework 106, and the 107th, for sensor base plate 104 provides power supply, drive signal and the outside socket of exporting the picture signal that reads.Above-mentioned light source 101, lens 102, sensor chip 103, sensor base plate 104, glass plate 105, framework 106 and socket 107 consist of the first imageing sensor 10, are used for reading the normal image in the whole amplitude of original copy.
201 is the secondary light sources that can shine at least original copy part scope among the figure, the 202nd, receive secondary light source 202 irradiation original copys and produce catoptrical the second lens, the 203rd, receive the second sensor chip that the second lens mirror converges light, the 204th, carry the second sensor base plate of aforementioned the second sensor chip 203, the 206th, hold above-mentioned secondary light source 201, the second lens 201, the second framework of the second sensor base plate 204,205 are arranged on the glass plate of the lift-launch original copy on the framework 206, and the 207th, for sensor base plate 204 provides power supply, drive signal and the outside socket of exporting the picture signal that reads.Above-mentioned light source 201, lens 202, sensor chip 203, sensor base plate 204, glass plate 205, framework 206 and socket 207 consist of the second imageing sensor 20, are used for reading the Non-Conventional imageries such as the color shifting ink image of part of original copy or hologram image.
Fig. 3 is the vertical view of the linear image reading device of the embodiment of the invention 1, and the first imageing sensor 10 is wide with the breadth of the original copy that reads at least, can read the normal image in the whole original copy width range.The width that reads of the second imageing sensor 20 only has the first imageing sensor to read the part of width, is used for reading the Non-Conventional imageries such as the local color shifting ink image that occurs of original copy or hologram image.
The first imageing sensor 10 is identical or close with the focal position (reading the position) of the second imageing sensor 20, make it to scan original copy simultaneously and read, read respectively normal image and the Non-Conventional imagery of original copy, and the interface of the image that will read separately by separately outwards transmits.
In order to read the Non-Conventional imagery in the original copy, the second imageing sensor 20 need to have light source irradiation direction and the image reading direction different from first sensor 10, therefore the second imageing sensor 20 is different from the read direction of the first imageing sensor 10, and read direction can change.Fig. 4 is the schematic top plan view of the second transducer 20, and its middle frame 206 is made of with the coupling part 623 of circular structure lens supports part 621, circular structure 622, lens supports part.Around circular structure 622, be provided with the draw-in groove 624 that the second imageing sensor fixed angle is selected in many places.
Interconnecting as shown in Figure 5 of the second imageing sensor and the first imageing sensor.Fig. 5 is the back side partial schematic diagram of the linear image reading device of the embodiment of the invention 1.A side of the first imageing sensor framework 106 be provided with the jockey 611,611 of the second imageing sensor can with 106 be one also can be split, be provided with at least the card tip 612 that the draw-in groove 624 of a place and the second transducer matches on 611.Different draw-in grooves 624 rotations on the second imageing sensor 20 are to blocking the tip 612 places, namely can change light source irradiation direction and the image reading direction of the second imageing sensor 20, thereby realize the scanning of the Non-Conventional imageries such as color shifting ink image and hologram image is read.
Embodiment 2: in the aforementioned embodiment, only be furnished with second image sensing 20 that reads the local Non-Conventional imagery of original copy on the first imageing sensor 10 next doors of reading whole original copy breadth normal image.Also can configure as required a plurality of the second imageing sensors 20, as shown in Figure 6.Fig. 6 is furnished with two the second image sensings 20 that read the local Non-Conventional imagery of original copy on the first imageing sensor 10 next doors of reading whole original copy breadth normal image.When being equipped with a plurality of the second transducer 20, can be identical between a plurality of the second transducers 20, also can be different.
Embodiment 3: in the aforementioned embodiment, less than it around rotatable amplitude, so its anglec of rotation can arrange in 360 degree scopes in the sweep length of the second imageing sensor 20 of the first imageing sensor 10 next doors configuration of reading whole original copy breadth normal image.According to the restriction of the different and rotatable scope of the second imageing sensor that the second imageing sensor sweep length is required, the sweep limits of the second transducer also can be more than or equal to its rotatable amplitude, as shown in Figure 7.In Fig. 7, read the sweep length of the second image sensing 20 that reads the local Non-Conventional imagery of original copy of the first imageing sensor 10 next doors configurations of whole original copy breadth normal image greater than its rotatable amplitude range, therefore the second transducer can not carry out the angle configurations in the 360 degree scopes, can only carry out the angle configurations within ± 90 °.But the Angulation changes of this scope can to the change of the second transducer light source direction of illumination and read direction, can read the Non-Conventional imagery such as the local color shifting ink image that occurs and hologram image in the original copy too equally.
Fig. 8 is the plan structure schematic diagram of the second imageing sensor in the present embodiment, and the second imageing sensor 20 is installed on the base 625, is provided with a plurality of draw-in grooves 626 of using for the second imageing sensor angle adjustment at base 625.Two ends at the framework 206 of the second imageing sensor 20 are provided with the card tip 627 that matches with draw-in groove 626.The card tip 627 of adjusting on the second imageing sensor 20 is identical from the different draw-in groove position 626 on the base 625, can change the light source irradiation direction of the second imageing sensor and the direction of image reading.Base 625 is fixed on the syndeton on the first imageing sensor 10 next doors together with the second imageing sensor 20 that determines direction, thereby realizes reading the Non-Conventional imageries such as the local color shifting ink image that occurs and hologram image in the original copy.
Claims (3)
1. a linear image reading device comprises be used to the first imageing sensor that reads the whole breadth width of original copy with for the second imageing sensor that reads the original copy subrange, it is characterized in that:
Described the first imageing sensor comprises first light source that can shine the whole read range of original copy at least, Vertical Square at the original copy moving direction extends upwardly to the first lens that whole read range also can focus on the original copy reverberation, a plurality of be arranged in a straight line can receive the first sensor chip that first lens converges light, carry the first sensor substrate of aforementioned first sensor chip, and the first framework that holds above-mentioned the first light source, first lens, first sensor substrate
Described the second imageing sensor comprises the secondary light source that can shine original copy part scope at least, receive the second lens of the light of original copy reflection secondary light source, receive the second sensor chip that the second lens mirror converges light, carry the second sensor base plate of aforementioned the second sensor chip, and the second framework that holds above-mentioned secondary light source, the second lens, the second sensor base plate
The second imageing sensor and the first imageing sensor interconnect in structure, and have the focal position that can read simultaneously original copy,
With respect to the first imageing sensor, the light source irradiation direction of the second imageing sensor can be different with the scanning direction, and can adjust change,
The second imageing sensor and the first imageing sensor be reading images signal and respectively outwards transmission independently of each other.
2. linear image reading device according to claim 1 is characterized in that the second imageing sensor has two at least, is connected on the different position of first sensor, and each the second transducer read direction each other is different.
3. linear image reading device according to claim 2 is characterized in that structure and the performance between each second imageing sensor is different.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210471009.1A CN102917153B (en) | 2012-11-20 | 2012-11-20 | linear image reading device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210471009.1A CN102917153B (en) | 2012-11-20 | 2012-11-20 | linear image reading device |
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| CN102917153A true CN102917153A (en) | 2013-02-06 |
| CN102917153B CN102917153B (en) | 2018-01-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102984424A (en) * | 2012-12-18 | 2013-03-20 | 威海华菱光电股份有限公司 | Contact image sensor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101860645A (en) * | 2009-04-10 | 2010-10-13 | 威海华菱光电有限公司 | Contact-type image sensor for identifying hologram image |
| CN101990051A (en) * | 2010-11-29 | 2011-03-23 | 威海华菱光电有限公司 | Linear full spectrum image reading device |
| CN102006391A (en) * | 2010-12-09 | 2011-04-06 | 威海华菱光电有限公司 | Contact type image sensor |
| CN201919075U (en) * | 2010-12-22 | 2011-08-03 | 威海华菱光电有限公司 | Contact-type image sensor |
| CN102739906A (en) * | 2012-06-28 | 2012-10-17 | 威海华菱光电股份有限公司 | Contact image sensor |
| CN202931447U (en) * | 2012-11-20 | 2013-05-08 | 威海华菱光电股份有限公司 | Linear image reading device |
-
2012
- 2012-11-20 CN CN201210471009.1A patent/CN102917153B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101860645A (en) * | 2009-04-10 | 2010-10-13 | 威海华菱光电有限公司 | Contact-type image sensor for identifying hologram image |
| CN101990051A (en) * | 2010-11-29 | 2011-03-23 | 威海华菱光电有限公司 | Linear full spectrum image reading device |
| CN102006391A (en) * | 2010-12-09 | 2011-04-06 | 威海华菱光电有限公司 | Contact type image sensor |
| CN201919075U (en) * | 2010-12-22 | 2011-08-03 | 威海华菱光电有限公司 | Contact-type image sensor |
| CN102739906A (en) * | 2012-06-28 | 2012-10-17 | 威海华菱光电股份有限公司 | Contact image sensor |
| CN202931447U (en) * | 2012-11-20 | 2013-05-08 | 威海华菱光电股份有限公司 | Linear image reading device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102984424A (en) * | 2012-12-18 | 2013-03-20 | 威海华菱光电股份有限公司 | Contact image sensor |
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