CN102231189A - Image collecting device - Google Patents
Image collecting device Download PDFInfo
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- CN102231189A CN102231189A CN201110122844XA CN201110122844A CN102231189A CN 102231189 A CN102231189 A CN 102231189A CN 201110122844X A CN201110122844X A CN 201110122844XA CN 201110122844 A CN201110122844 A CN 201110122844A CN 102231189 A CN102231189 A CN 102231189A
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Abstract
The invention provides an image collecting device. A lens for image collecting under control of a shutter is arranged in the device; N light-emitting units are also arranged in the device, wherein N is an integer which is more than or equal to 1; an included angle between a reverse extension line of a light beam emitted by the light-emitting unit i in the N light-emitting units and a primary optical axis of the lens is thetai, wherein i is an integer which is more than or equal to 1 and less than or equal to N; and the range of thetai is more than or equal to 0 and less than 90 degrees. By adopting the image collecting device, an image to be acquired can be located under the premise of not utilizing a viewfinder, the accuracy of finding views and locating is improved, and the cost is lowered.
Description
Technical field
The present invention relates to technical field of image processing, particularly a kind of image collecting device.
Background technology
Along with the widespread use of technology in various device such as image recognition, literal identification and bar code recognition, image also becomes the carrier of a kind of literal and numerical information gradually; Image to the information of carrying shows, plays and prints, and the image that shows, plays and print is gathered and is identified as for a kind of very important information acquisition and transmission mode.
Bar code is a kind of widely used image or figure carrier that is used for beared information, it has characteristics such as information high input speed, reliability height, antijamming capability be strong, therefore, bar code is used to identify information such as the grown place, manufacturing firm, trade name, date of manufacture of article, has all obtained in many fields such as circulation of commodities, taking care of books, postal management, banking systems using widely.
At present, the main bar code scanner of special use that uses is gathered bar code image, perhaps uses the camera that is equiped with view finder that bar code image is gathered.When using special-purpose bar code scanner that bar code image is gathered, owing to can't know the region of bar code image in advance, be the view area of bar code scanner, be easy to cause location inaccurate, problems such as image acquisition mistake or image acquisition failure bar code image; When the camera that is equiped with view finder in use carries out the collection of bar code image, though can utilize view finder or the display screen of the location that can be used for finding a view to the image to be collected location of finding a view, but, the cost of view finder is higher, is unfavorable for being equiped with camera the applying in bar code image collection field of view finder.
In sum, the existing device that bar code image is gathered can not satisfy that cost is low, the requirement of the accurate positioning of finding a view, and is still waiting further improvement.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of image collecting device, this device can be treated the image that obtains and position under the prerequisite of not utilizing view finder, has improved the accuracy of the location of finding a view, and has reduced cost.
For achieving the above object, technical scheme of the present invention specifically is achieved in that
A kind of image collecting device is equiped with the camera lens that carries out image acquisition under fast gate control, and this device also is equiped with N Optical Transmit Unit; Described N is the integer more than or equal to 1;
The angle of the reverse extending line of the light of the Optical Transmit Unit i outgoing in the described N Optical Transmit Unit and the primary optical axis of described camera lens is θ
i
Described i is more than or equal to 1, and is less than or equal to the integer of N; Described θ
iSpan be more than or equal to 0, and less than 90 °.
In the said apparatus, described N 〉=2 o'clock, a described N Optical Transmit Unit also is installed on the same mounting plane, and the arbitrary Optical Transmit Unit in the described N Optical Transmit Unit to be installed in the primary optical axis of described camera lens and the intersection point of described mounting plane be on the circle in the center of circle.
In the said apparatus, during described N=2, a described N Optical Transmit Unit is installed in the both sides of the primary optical axis of described camera lens respectively.
In the said apparatus, during described N=4, a described N Optical Transmit Unit be installed in respectively described circle in connect 4 summits of rectangle.
In the said apparatus, during described N=2, a described N Optical Transmit Unit also is installed in the both sides of the primary optical axis of described camera lens respectively, and the distance between the primary optical axis of a described N Optical Transmit Unit and described camera lens is inequality.
Preferably, this device also is equiped with M angle regulating unit;
Unspecified angle regulon in the described M angle regulating unit is used to regulate the angle theta of the primary optical axis of the reverse extending line of light of at least one Optical Transmit Unit i outgoing and described camera lens
i
Described M is for more than or equal to 1 and be less than or equal to the integer of N.
In the said apparatus, described N 〉=2, and described θ
i=0 o'clock, the distance in the described N Optical Transmit Unit between the primary optical axis of the light of arbitrary Optical Transmit Unit outgoing and described camera lens was identical.
In the said apparatus, described N 〉=2 o'clock, the reverse extending line of the light of each the Optical Transmit Unit outgoing in the described N Optical Transmit Unit equates with the angle of the primary optical axis of described camera lens.
Preferably, in the described N Optical Transmit Unit reverse extending line of the light of each Optical Transmit Unit outgoing also intersect at described camera lens primary optical axis a bit.
Preferably, this device also is equiped with L photoswitch; Described L is more than or equal to 1, and is less than or equal to the integer of N;
Arbitrary photoswitch in the described L photoswitch is used for opening and/or closing at least one Optical Transmit Unit.
As seen from the above technical solutions, the invention provides a kind of image collecting device, this device is equiped with N Optical Transmit Unit; The angle of the reverse extending line of the light of the Optical Transmit Unit i outgoing in N Optical Transmit Unit and the primary optical axis of described camera lens is θ
iAdopt device of the present invention, the light of the Optical Transmit Unit i outgoing in N Optical Transmit Unit the luminous point that forms on the plane at image place to be obtained, and Optical Transmit Unit i and described camera lens primary optical axis between distance, can be used to judge whether the position of carrying out image acquisition skew has taken place, and then realized under the prerequisite of not utilizing view finder, the image that band is obtained has carried out effective location, improve the accuracy of the location of finding a view, reduced cost simultaneously.
Description of drawings
Fig. 1 is the structural representation of image collecting device embodiment one of the present invention.
Fig. 2 is the structural representation of image collecting device embodiment two of the present invention.
Fig. 3 is the structural representation of image collecting device embodiment three of the present invention.
Embodiment
For make purpose of the present invention, technical scheme, and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
The invention provides a kind of image collecting device, be equiped with the camera lens that carries out image acquisition under fast gate control, this device also is equiped with N Optical Transmit Unit; N is the integer more than or equal to 1; The angle of the reverse extending line of the light of the Optical Transmit Unit i outgoing in N Optical Transmit Unit and the primary optical axis of camera lens is θ i; Wherein, i is more than or equal to 1, and is less than or equal to the integer of N; The span of θ i is more than or equal to 0, and less than 90 °.
Fig. 1 is the structural representation of image collecting device embodiment one of the present invention.Now in conjunction with Fig. 1, the embodiment one of image collecting device of the present invention is described, specific as follows:
The image collecting device of present embodiment is equiped with the camera lens 102 that carries out image acquisition under shutter 101 controls, camera lens 102 can be embedded in the shell of this device, different with existing image collecting device is that the image collecting device of present embodiment has also been installed one first Optical Transmit Unit 103.
Distance between the primary optical axis of first Optical Transmit Unit 103 and camera lens 102 is the first preset value d1, and the light of its outgoing is away from the primary optical axis of camera lens 102, and the angle of the primary optical axis of the reverse extending line of the light of its outgoing and camera lens 102 is θ
1, in other words, the reverse extending line of the light of first Optical Transmit Unit, 103 outgoing becomes 90 °+θ with the focal plane of camera lens 102
1The angle that is to say, the angle of the parallel lines of the light of first Optical Transmit Unit, 103 outgoing and the primary optical axis of camera lens 102 is θ
1First Optical Transmit Unit 103 can be installed on the crust of the device that camera lens 102 is installed, and its plane of installing is parallel with the focal plane of camera lens 102.
Wherein, θ
1Span be more than or equal to 0, and less than 90 °; θ
1Can be the visual angle of camera lens 102, promptly
Arctan () represents arctan function, and b is the catercorner length of the visual field of camera lens 102, and f is the focal length of camera lens 102.
First Optical Transmit Unit 103 can be according to default emergence angle θ
1Emergent ray, perhaps the image collecting device of present embodiment also can further be installed one first angle regulating unit 105.
First angle regulating unit 105 connects first Optical Transmit Unit 103, can be according to the setting of outside, regulate the angle theta of the primary optical axis of the reverse extending line of light of first Optical Transmit Unit, 103 outgoing and camera lens 102
1
After first Optical Transmit Unit 103 can start at the image collecting device of present embodiment, the outgoing that is triggered was obtained the light that image positions in order to treat, and perhaps the image collecting device of present embodiment also can further be installed one first photoswitch 104.
Fig. 2 is the structural representation of image collecting device embodiment two of the present invention.Now in conjunction with Fig. 2, the embodiment two of image collecting device of the present invention is described, specific as follows:
The image collecting device of present embodiment is equiped with the camera lens 102 that carries out image acquisition under shutter 101 controls, camera lens 102 can be embedded in the shell of this device, different with existing image collecting device is that the image collecting device of present embodiment has also been installed one first Optical Transmit Unit 203 and one second Optical Transmit Unit 204.
First Optical Transmit Unit 203 of present embodiment is identical with the structure and the installation site of first Optical Transmit Unit 103 of embodiment one, does not repeat them here.
What present embodiment and embodiment one were different is that the image collecting device of present embodiment also is equiped with one second Optical Transmit Unit 204.Second Optical Transmit Unit 204 is installed in the opposite side of camera lens 102, lays respectively at the both sides of camera lens 102 with first Optical Transmit Unit 203.Distance between the primary optical axis of second Optical Transmit Unit 204 and camera lens 102 is the second preset value d2, and the light of second Optical Transmit Unit, 204 outgoing is away from the primary optical axis of camera lens 102, and the angle of the primary optical axis of the reverse extending line of the light of its outgoing and camera lens 102 is θ
2, in other words, the reverse extending line of the light of second Optical Transmit Unit, 204 outgoing becomes 90 °+θ with the focal plane of camera lens 102
2The angle that is to say, the angle of the parallel lines of the light of second Optical Transmit Unit, 204 outgoing and the primary optical axis of camera lens 102 is θ
2
Second Optical Transmit Unit 204 can be installed on the crust of the device that camera lens 102 is installed, and its plane of installing is parallel with the focal plane of camera lens 102.
Wherein, θ
2Span be more than or equal to 0, and less than 90 °; Preferably, θ
2Can equal θ
1, the second preset value d2 equals the first preset value d1, and like this, the angle of the light of two Optical Transmit Unit outgoing is identical, and the distance between the primary optical axis of the beam projecting point of two Optical Transmit Units and camera lens 102 is identical.
Preferably, the reverse extending line of the light of second Optical Transmit Unit, 204 outgoing can intersect at the reverse extending line of the light of first Optical Transmit Unit, 203 outgoing camera lens 102 primary optical axis a bit, this point can be the focus of camera lens 102.
First Optical Transmit Unit 203 is according to default emergence angle θ
1Emergent ray, second Optical Transmit Unit 204 is according to default emergence angle θ
2Emergent ray, perhaps the image collecting device of present embodiment also can further be installed one second angle regulating unit 206.
Second angle regulating unit 206 connects first Optical Transmit Unit 203 and second Optical Transmit Units 204, can be according to the setting of outside, regulate the angle theta of the primary optical axis of the reverse extending line of light of first Optical Transmit Unit, 203 outgoing and camera lens 102
1, the angle theta of regulating the primary optical axis of the reverse extending line of light of second Optical Transmit Unit, 204 outgoing and camera lens 102
2
After first Optical Transmit Unit 203 and second Optical Transmit Unit 204 can start at the image collecting device of present embodiment, the outgoing that is triggered is obtained the light that image positions in order to treat, and perhaps the image collecting device of present embodiment also can further be installed one second photoswitch 205.
Fig. 3 is the structural representation of image collecting device embodiment three of the present invention.Now in conjunction with Fig. 3, the embodiment three of image collecting device of the present invention is described, specific as follows:
The image collecting device of present embodiment is equiped with the camera lens 102 that carries out image acquisition under shutter 101 controls, camera lens 102 can be embedded in the shell of this device, different with existing image collecting device is that the image collecting device of present embodiment has also been installed one first Optical Transmit Unit 303 and N the 3rd Optical Transmit Unit 304.
First Optical Transmit Unit 303 of present embodiment is identical with the structure and the installation site of first Optical Transmit Unit 103 of embodiment one, does not repeat them here.
What present embodiment and embodiment one were different is that the image collecting device of present embodiment also is equiped with n the 3rd Optical Transmit Unit 304; Wherein, n is the integer more than or equal to 2.
Distance in individual the 3rd Optical Transmit Unit 304 of n between the primary optical axis of arbitrary the 3rd Optical Transmit Unit and camera lens 102 is the first preset value d1, and the light of arbitrary the 3rd Optical Transmit Unit outgoing is away from the primary optical axis of camera lens 102 in n the 3rd Optical Transmit Unit 304, and the angle of the primary optical axis of the reverse extending line of the light of its outgoing and camera lens 102 is θ
3, in other words, the reverse extending line of the light of arbitrary the 3rd Optical Transmit Unit outgoing becomes 90 °+θ with the focal plane of camera lens 102 in individual the 3rd Optical Transmit Unit 304 of n
3The angle that is to say, the angle of the parallel lines of the primary optical axis of the light of arbitrary the 3rd Optical Transmit Unit outgoing and camera lens 102 is θ in individual the 3rd Optical Transmit Unit 304 of n
3
Wherein, θ
3Span be more than or equal to 0, and less than 90 °; Preferably, θ
3Can equal θ
1
Arbitrary the 3rd Optical Transmit Unit can be installed on the crust of the device that camera lens 102 is installed in n the 3rd Optical Transmit Unit 304, and the plane that arbitrary the 3rd Optical Transmit Unit is installed is parallel with the focal plane of camera lens 102; Preferably, the planes overlapping that can be installed with first Optical Transmit Unit 303 of the plane that arbitrary the 3rd Optical Transmit Unit is installed in n the 3rd Optical Transmit Unit 304.
Preferably, in n the 3rd Optical Transmit Unit 304 the reverse extending line of the light of arbitrary the 3rd Optical Transmit Unit outgoing can intersect at the reverse extending line of the light of first Optical Transmit Unit, 303 outgoing on the primary optical axis of camera lens 102 a bit, this point also can be the focus of camera lens 102; N the 3rd Optical Transmit Unit 304 constitutes an equilateral polygon in the position on the crust of the device and first position of Optical Transmit Unit 303 on crust of the device, and the distance between the primary optical axis of above-mentioned any one Optical Transmit Unit and camera lens 102 is the first preset value d1, such as: n is 2, the beam projecting point of first Optical Transmit Unit 303 and two the 3rd Optical Transmit Units 304 then, the plane of being installed at the camera lens 102 of the image collecting device of present embodiment constitutes an equilateral triangle.
First Optical Transmit Unit 303 is according to default emergence angle θ
1Emergent ray, n the 3rd Optical Transmit Unit 304 is according to default emergence angle θ
3Emergent ray, perhaps the image collecting device of present embodiment also can further be installed a third angle degree regulon 306.
Third angle degree regulon 306 connects first Optical Transmit Units 303 and n the 3rd Optical Transmit Unit 304, can be according to the setting of outside, regulate the angle theta of the primary optical axis of the reverse extending line of light of first Optical Transmit Unit, 303 outgoing and camera lens 102
1And the angle theta of the primary optical axis of the reverse extending line of the light of n the 3rd Optical Transmit Unit 304 outgoing and camera lens 102
3
After first Optical Transmit Unit 303 and n the 3rd Optical Transmit Unit 304 can start at the image collecting device of present embodiment, the outgoing that is triggered is obtained the light that image positions in order to treat, and perhaps the image collecting device of present embodiment also can further be installed one the 3rd photoswitch 305.
The 3rd photoswitch 305 connects first Optical Transmit Unit 303 and n the 3rd Optical Transmit Unit 304, can trigger first Optical Transmit Unit 303 and n the above-mentioned light of the 3rd Optical Transmit Unit 304 outgoing or stop the above-mentioned light of outgoing according to the signal of outside input.Such as, the 3rd photoswitch 305 can be installed on the shell of present embodiment image collecting device, when the user presses the 3rd photoswitch 305, the 3rd photoswitch 305 is opened signal to first Optical Transmit Unit 303 and n the 3rd Optical Transmit Unit 304 outputs, to control first Optical Transmit Unit 303 and n the 3rd Optical Transmit Unit 304 emergent ray constantly; When the user discharged the 3rd photoswitch 305, the 3rd photoswitch closed signal to 305 to first Optical Transmit Unit 303 and n the 3rd Optical Transmit Unit 304 outputs, stops emergent ray to control first Optical Transmit Unit 303 and n the 3rd Optical Transmit Unit 304.
In the above embodiment of the present invention, the image collecting device among the embodiment one comprises one first Optical Transmit Unit 103, and promptly N equals 1; Image collecting device among the embodiment two comprises one first Optical Transmit Unit 203 and one second Optical Transmit Unit 204, and promptly N equals 2; The image collecting device of embodiment three comprises one first Optical Transmit Unit 303 and n the 3rd Optical Transmit Unit 304, and promptly N is the integer greater than 1.
In the above embodiment of the present invention, for embodiment two and embodiment three, image collecting device can be equiped with M angle regulating unit; Unspecified angle regulon in M angle regulating unit is used to regulate the angle theta of the primary optical axis of the reverse extending line of light of at least one Optical Transmit Unit i outgoing and camera lens
iM is for more than or equal to 1 and be less than or equal to the integer of N.
In the above embodiment of the present invention, for embodiment two and embodiment three, image collecting device can be equiped with L photoswitch; L is more than or equal to 1, and is less than or equal to the integer of N; Arbitrary photoswitch in L photoswitch is used for opening and/or closing at least one Optical Transmit Unit.
In the above embodiment of the present invention, it is the LASER Light Source of laser that first Optical Transmit Unit, second Optical Transmit Unit and n the 3rd Optical Transmit Unit can be selected the light of outgoing, also can select the light of outgoing have preferably the light emitting diode of directivity (Light Emitting Diode, LED).
In the above-mentioned preferred embodiment of the present invention, on existing image collecting device, installed at least one Optical Transmit Unit in order to emergent ray, this Optical Transmit Unit can form luminous point on the plane at image place to be obtained, so that according to the distance between this luminous point and image to be obtained, and the distance between the primary optical axis of this Optical Transmit Unit and camera lens, determine whether image to be obtained is positioned at viewfinder range, under the prerequisite of not utilizing view finder, having realized treating the image that obtains positions, not only improve the accuracy of location of finding a view, and reduced the cost of device.
The above is preferred embodiment of the present invention only, is not limited to the present invention, and is within the spirit and principles in the present invention all, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (10)
1. an image collecting device is equiped with the camera lens that carries out image acquisition under fast gate control, it is characterized in that this device also is equiped with N Optical Transmit Unit; Described N is the integer more than or equal to 1;
The angle of the reverse extending line of the light of the Optical Transmit Unit i outgoing in the described N Optical Transmit Unit and the primary optical axis of described camera lens is θ
i
Described i is more than or equal to 1, and is less than or equal to the integer of N; Described θ
iSpan be more than or equal to 0, and less than 90 °.
2. device according to claim 1, it is characterized in that, described N 〉=2 o'clock, a described N Optical Transmit Unit also is installed on the same mounting plane, and the arbitrary Optical Transmit Unit in the described N Optical Transmit Unit to be installed in the primary optical axis of described camera lens and the intersection point of described mounting plane be on the circle in the center of circle.
3. device according to claim 2 is characterized in that, during described N=2, a described N Optical Transmit Unit is installed in the both sides of the primary optical axis of described camera lens respectively.
4. device according to claim 2 is characterized in that, during described N=4, a described N Optical Transmit Unit be installed in respectively described circle in connect 4 summits of rectangle.
5. device according to claim 1 is characterized in that, during described N=2, a described N Optical Transmit Unit also is installed in the both sides of the primary optical axis of described camera lens respectively, and the distance between the primary optical axis of a described N Optical Transmit Unit and described camera lens is inequality.
6. device according to claim 1 is characterized in that, this device also is equiped with M angle regulating unit;
Unspecified angle regulon in the described M angle regulating unit is used to regulate the angle theta of the primary optical axis of the reverse extending line of light of at least one Optical Transmit Unit i outgoing and described camera lens
i
Described M is for more than or equal to 1 and be less than or equal to the integer of N.
7. device according to claim 1 is characterized in that, described N 〉=2, and described θ
i=0 o'clock, the distance in the described N Optical Transmit Unit between the primary optical axis of the light of arbitrary Optical Transmit Unit outgoing and described camera lens was identical.
8. according to the described device of the arbitrary claim of claim 1 to 6, it is characterized in that, described N 〉=2 o'clock, the reverse extending line of the light of each the Optical Transmit Unit outgoing in the described N Optical Transmit Unit equates with the angle of the primary optical axis of described camera lens.
9. device according to claim 8 is characterized in that, in the described N Optical Transmit Unit reverse extending line of the light of each Optical Transmit Unit outgoing also intersect at described camera lens primary optical axis a bit.
10. device according to claim 1 is characterized in that, this device also is equiped with L photoswitch; Described L is more than or equal to 1, and is less than or equal to the integer of N;
Arbitrary photoswitch in the described L photoswitch is used for opening and/or closing at least one Optical Transmit Unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110122844.XA CN102231189B (en) | 2011-05-12 | 2011-05-12 | A kind of image collecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110122844.XA CN102231189B (en) | 2011-05-12 | 2011-05-12 | A kind of image collecting device |
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| CN102231189A true CN102231189A (en) | 2011-11-02 |
| CN102231189B CN102231189B (en) | 2016-04-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102196181A (en) * | 2011-05-13 | 2011-09-21 | 北京天地融科技有限公司 | Image acquisition device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102231189B (en) | 2016-04-13 |
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Address after: 100083, room 1810, block B, golden building, No. 17, Qinghua East Road, Beijing, Haidian District Applicant after: Tendyron Technology Co., Ltd. Address before: 100083, B, block 17, golden building, No. 1810 Qinghua East Road, Beijing, Haidian District Applicant before: Beijing Tendyron Technology Co., Ltd. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |