CN103559472B - A kind of device and method of identification card Identity Code - Google Patents
A kind of device and method of identification card Identity Code Download PDFInfo
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- CN103559472B CN103559472B CN201310488862.9A CN201310488862A CN103559472B CN 103559472 B CN103559472 B CN 103559472B CN 201310488862 A CN201310488862 A CN 201310488862A CN 103559472 B CN103559472 B CN 103559472B
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Abstract
The invention discloses a kind of device and method of identification card Identity Code, this device comprises: at least identification module and processor; Identification module comprises: at least one light-emitting component and quantity are light-emitting component quantity N photo-sensitive cell doubly, described N be more than or equal to 2 positive integer; Light-emitting component, for reflectance coating emission of light; Photo-sensitive cell, for detecting the light intensity of the reflected light through reflective coating reflects received in position, being converted to magnitude of voltage by light intensity, and magnitude of voltage is sent to processor; Processor, for driving identification module, and changes each magnitude of voltage received, and exports the sequence corresponding with each magnitude of voltage.The present invention under the prerequisite ensureing accuracy of identification, by decreasing component number, thus can reduce manufacturing cost, and reduces the complexity of circuit design, improve production efficiency.
Description
Technical field
The present invention relates to optoelectronic induction technical field, particularly relate to a kind of device and method of identification card Identity Code.
Background technology
For improving the learning interest of children, early education is carried out to children, increasing head of a family's choice for use children early learning machine.At present, children's early learning machine mainly comprises main frame and card two parts.Card is printed with the bar code be made up of blackstreak and white stripes.By being arranged on the bar code on the scanister scanning card on main frame, the picture that on main frame, Dynamic Announce is consistent with content on card, and send corresponding sound.
But existing scanning technique is more weak for the antijamming capability of environmental factor (such as: humidity, light, printed circuit board surface ion), easily occurs identifying or nonrecognition bar code by mistake, thus affect the normal use of early learning machine.Therefore, for ensureing the precision identifying bar code, be provided with a large amount of recognizing site, recognizing site correspondence is provided with one group of corresponding identification module, this identification module is by an infrared transmitting tube and an infrared receiving tube, cause component number more, cost is higher, and circuit design process is complicated.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of device and method of identification card Identity Code, solves the technical matters that above background technology part is mentioned.
On the one hand, embodiments provide a kind of device of identification card Identity Code, described card is laid with reflectance coating, described reflectance coating comprises black reflection coating and white reflective coating, comprising:
Identification module and processor;
Described identification module comprises: at least one light-emitting component and quantity are light-emitting component quantity N photo-sensitive cell doubly, described N be more than or equal to 2 positive integer;
Described light-emitting component, for described reflectance coating emission of light;
Described photo-sensitive cell, for detecting the light intensity of the reflected light through described reflective coating reflects that position receives, is converted to magnitude of voltage by described light intensity, and described magnitude of voltage is sent to described processor;
Described processor, for driving described identification module, and by receive each described in magnitude of voltage change, export the sequence corresponding with magnitude of voltage described in each.
Preferably, described processor comprises:
Acquisition module, for obtaining default range of voltage values, described preset voltage value scope comprises, the range of voltage values corresponding with black reflection coating preset, the default range of voltage values corresponding with white reflective coating and default with without blocking corresponding range of voltage values;
Modular converter, for according to described default range of voltage values, is converted to each symbol corresponding with the described preset voltage value scope at place by magnitude of voltage described in each;
Output module, exports the sequence of symbol composition described in each;
Update module, when without card, the described magnitude of voltage of the described light intensity conversion that described photo-sensitive cell detects not described default with without when block in corresponding range of voltage values, then default block corresponding range of voltage values with nothing according to described magnitude of voltage renewal is described.
Preferably, when described symbol is 0 or 1, described in each, the described sequence of symbol composition is binary sequence.
Preferably, comprising: when described identification module comprises a described light-emitting component and two described photo-sensitive cells, described light-emitting component is arranged on position corresponding to photo-sensitive cell mesophase spherule described with two.
Preferably, described light-emitting component is infrared LED.
Preferably, described photo-sensitive cell is infrared photodiode.
Preferably, described processor is single-chip microcomputer.
Correspond, the embodiment of the present invention additionally provides a kind of method of identification card Identity Code, and described card is laid with reflectance coating, and described reflectance coating comprises black reflection coating and white reflective coating, it is characterized in that, comprising:
Drive at least one light-emitting component to described reflectance coating emission of light;
Quantity is driven to be the light intensity that described light-emitting component quantity N photo-sensitive cell doubly detects the reflected light through described reflective coating reflects that position receives, described light intensity is converted to magnitude of voltage, and described magnitude of voltage is sent to processor, described N be more than or equal to 2 positive integer;
By receive each described in magnitude of voltage change, export the sequence corresponding with magnitude of voltage described in each.
Preferably, described by receive each described in magnitude of voltage change, the step exporting the sequence corresponding with magnitude of voltage described in each comprises:
Obtain the range of voltage values preset, described preset voltage value scope comprises, the range of voltage values corresponding with black reflection coating preset, the default range of voltage values corresponding with white reflective coating and default with without blocking corresponding range of voltage values;
According to described default range of voltage values, magnitude of voltage described in each is converted to each symbol corresponding with the described preset voltage value scope at place;
Export the sequence of symbol composition described in each;
When without card, the described magnitude of voltage of the described light intensity conversion that described photo-sensitive cell detects not described default with without when block in corresponding range of voltage values, then default block corresponding range of voltage values with nothing according to described magnitude of voltage renewal is described.
Preferably, when described symbol is 0 or 1, described in each, the described sequence of symbol composition is binary sequence.
The device and method of a kind of identification card Identity Code that the embodiment of the present invention provides has following features:
When environmental factor changes, can upgrade and block corresponding range of voltage values with nothing, thus improve antijamming capability, improve the discrimination of the identity code to card.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the apparatus structure schematic diagram of a kind of identification card Identity Code disclosed in the embodiment of the present invention one;
Fig. 2 is the structural representation of processor disclosed in the embodiment of the present invention one;
Fig. 3 is the structural representation of light-emitting component disclosed in the embodiment of the present invention two;
Fig. 4 is the structural representation of photo-sensitive cell disclosed in the embodiment of the present invention two;
Fig. 5 is the structural representation of processor disclosed in the embodiment of the present invention two;
Fig. 6 is the method flow schematic diagram of a kind of identification card Identity Code disclosed in the embodiment of the present invention three;
Each magnitude of voltage received is changed disclosed in the embodiment of the present invention three by Fig. 7, exports the method flow schematic diagram of the sequence corresponding with each magnitude of voltage.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one
The embodiment of the present invention one discloses a kind of device of identification card Identity Code, as shown in Figure 1: comprising: identification module 1 and processor 2; Identification module 1 comprises: at least one light-emitting component 11 and quantity are light-emitting component quantity N photo-sensitive cell 12 doubly, described N be more than or equal to 2 positive integer 12; Light-emitting component 11, for reflectance coating emission of light; Photo-sensitive cell 12, for detecting the light intensity of the reflected light through reflective coating reflects received in position, being converted to magnitude of voltage by light intensity, and magnitude of voltage is sent to processor; Processor 2, for driving identification module, and changes each magnitude of voltage received, and exports the sequence corresponding with each magnitude of voltage.
Need to be described, card is laid with reflectance coating, and reflectance coating comprises black reflection coating and white reflective coating, and black reflection coating and white reflective coating interval are laid.The shape of reflectance coating includes but not limited to that bar shaped bulk, circular block shape and polygon are block.
In embodiments of the present invention, when identification module comprises a light-emitting component and two photo-sensitive cells, light-emitting component is arranged on the position corresponding with two photo-sensitive cell mesophase spherule.
Concrete, as shown in Figure 2, processor comprises: acquisition module 21, modular converter 22, output module 23 and update module 24.Acquisition module 21, for obtaining default range of voltage values, preset voltage value scope comprises, the range of voltage values corresponding with black reflection coating preset, the default range of voltage values corresponding with white reflective coating and default with without blocking corresponding range of voltage values; Modular converter 22, for according to the range of voltage values preset, is converted to each symbol corresponding with the preset voltage value scope at place by each magnitude of voltage; Output module 23, exports the sequence of each symbol composition; Update module 24, for update module, when without card, the magnitude of voltage of light intensity that photo-sensitive cell detects conversion not preset with without when block in corresponding range of voltage values, then default block corresponding range of voltage values with nothing according to magnitude of voltage renewal is described.
Need to be described, when symbol is 0 or 1, the sequence of each symbol composition is binary sequence.This sequence is identify label corresponding to card identity identification code.
In the embodiment of the present invention one, can be positioned at during without magnitude of voltage value scope when blocking corresponding according to described magnitude of voltage, judge that card is extracted, be in without card-like state, now can judge that external environment (such as: humidity according to the magnitude of voltage of the light intensity conversion detecting the reflected light through reflective coating reflects received in position without photo-sensitive cell during card, light, printed circuit board surface ion) whether change, when without card time photo-sensitive cell detect light intensity conversion magnitude of voltage not preset with without block in corresponding range of voltage values time, what the magnitude of voltage renewal that the light intensity then detected according to photo-sensitive cell during current nothing card is changed was preset blocks corresponding range of voltage values with nothing.
By a kind of disclosed in the embodiment of the present invention one device of identification card Identity Code, under the prerequisite ensureing accuracy of identification, by decreasing component number, thus reduce manufacturing cost, and reduce the complexity of circuit design, improve production efficiency.
Embodiment two
The embodiment of the present invention two discloses a kind of device of identification card Identity Code, specifically comprises:
Light-emitting component, photo-sensitive cell and processor.
As shown in Figure 3, light-emitting component is infrared LED (LightEmittingDiode, light emitting diode), is provided with 7 infrared LEDs.
As shown in Figure 4, photo-sensitive cell is infrared photodiode, is provided with 14 infrared photodiodes.
Processor is single-chip microcomputer as shown in Figure 5, in actual application, usually uses 8 or 16 single-chip microcomputers, such as STM8, MSP430.In the embodiment of the present invention three, concrete is STM8 series 8 single-chip microcomputers.
Concrete detection light intensity process is:
First, if the IO1 of single-chip microcomputer is high level, IO2 is low level, and IO3 is low level, and IO4-IO6 is high level, then only light the infrarede emitting diode D28 between IO1 and IO3, corresponding reception photosensitive tube D14 and D13, under the reflective light intensity effect that the reflectance coating of position is corresponding above it, presents corresponding conducting state, respectively with R3 and R4 dividing potential drop, and detected by AD3 and AD4 of single-chip microcomputer.
Secondly, other photosensitive tube is not lighted because of the light emitting diode of correspondence, belongs to dark situations, is off state, in situation in parallel, does not affect detection.So lighting infrarede emitting diode successively completes detection.By a kind of disclosed in the embodiment of the present invention two device of identification card Identity Code, under the prerequisite ensureing accuracy of identification, by decreasing component number, thus reduce manufacturing cost, and reduce the complexity of circuit design, improve production efficiency.
Embodiment three
The embodiment of the present invention three discloses a kind of method of identification card Identity Code, and card is laid with reflectance coating, and reflectance coating comprises black reflection coating and white reflective coating, as shown in Figure 6, comprising:
Step S301, drives at least one light-emitting component to reflectance coating emission of light;
Step S302, drives quantity to be the light intensity that light-emitting component quantity N photo-sensitive cell doubly detects the reflected light through reflective coating reflects received in position, light intensity is converted to magnitude of voltage, and magnitude of voltage is sent to processor, wherein N be more than or equal to 2 positive integer;
Step S303, changes each magnitude of voltage received, and exports the sequence corresponding with each magnitude of voltage.
In step S303, as shown in Figure 7, specifically comprise:
Step S3031, obtain the range of voltage values preset, preset voltage value scope comprises, the range of voltage values corresponding with black reflection coating preset, the default range of voltage values corresponding with white reflective coating and default with without blocking corresponding range of voltage values;
Step S3032, according to the range of voltage values preset, is converted to each symbol corresponding with the preset voltage value scope at place by each magnitude of voltage;
Step S3033, exports the sequence of each symbol composition;
Step S3034, when without card, the magnitude of voltage of light intensity that photo-sensitive cell detects conversion not preset with without when block in corresponding range of voltage values, then upgrade according to magnitude of voltage and default block corresponding range of voltage values with nothing.
When symbol is 0 or 1, the sequence of each symbol composition is binary sequence.
By a kind of disclosed in the embodiment of the present invention three device of identification card Identity Code, under the prerequisite ensureing accuracy of identification, by decreasing component number, thus reduce manufacturing cost, and reduce the complexity of circuit design, improve production efficiency.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize by general computing method, they can concentrate in single computing method, or be distributed on network that multiple computing method form, alternatively, they can realize with the executable program code of computer approach, thus they can be stored in storage means and be performed by computing method, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to the combination of any specific hardware and software.
These are only the preferred embodiments of the present invention, be not limited to the present invention, to those skilled in the art, the present invention can have various change and change.All do within spirit of the present invention and principle any amendment, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a device for identification card Identity Code, described card is laid with reflectance coating, and described reflectance coating comprises black reflection coating and white reflective coating, it is characterized in that, comprising:
Identification module and processor;
Described identification module comprises: at least one light-emitting component and quantity are light-emitting component quantity N photo-sensitive cell doubly, described N be more than or equal to 2 positive integer;
Described light-emitting component, for described reflectance coating emission of light;
Described photo-sensitive cell, for detecting the light intensity of the reflected light through described reflective coating reflects that position receives, is converted to magnitude of voltage by described light intensity, and described magnitude of voltage is sent to described processor;
Described processor, for driving described identification module, and by receive each described in magnitude of voltage change, export the sequence corresponding with magnitude of voltage described in each;
Described processor comprises:
Acquisition module, for obtaining default range of voltage values, described preset voltage value scope comprises, the range of voltage values corresponding with black reflection coating preset, the default range of voltage values corresponding with white reflective coating and default with without blocking corresponding range of voltage values;
Modular converter, for according to described default range of voltage values, is converted to each symbol corresponding with the described preset voltage value scope at place by magnitude of voltage described in each;
Output module, exports the sequence of symbol composition described in each;
Update module, when without card, the described magnitude of voltage of the described light intensity conversion that described photo-sensitive cell detects not described default with without when block in corresponding range of voltage values, then default block corresponding range of voltage values with nothing according to described magnitude of voltage renewal is described.
2. the device of identification card Identity Code according to claim 1, is characterized in that, when described symbol is 0 or 1, described in each, the described sequence of symbol composition is binary sequence.
3. the device of identification card Identity Code according to claim 1, it is characterized in that, comprise: when described identification module comprises a described light-emitting component and two described photo-sensitive cells, described light-emitting component is arranged on position corresponding to photo-sensitive cell mesophase spherule described with two.
4. the device of identification card Identity Code according to claim 1, is characterized in that, described light-emitting component is infrared LED.
5. the device of identification card Identity Code according to claim 1, is characterized in that, described photo-sensitive cell is infrared photodiode.
6. the device of identification card Identity Code according to claim 1, is characterized in that, described processor is single-chip microcomputer.
7. a method for identification card Identity Code, described card is laid with reflectance coating, and described reflectance coating comprises black reflection coating and white reflective coating, it is characterized in that, comprising:
Drive at least one light-emitting component to described reflectance coating emission of light;
Quantity is driven to be the light intensity that described light-emitting component quantity N photo-sensitive cell doubly detects the reflected light through described reflective coating reflects that position receives, described light intensity is converted to magnitude of voltage, and described magnitude of voltage is sent to processor, described N be more than or equal to 2 positive integer;
By receive each described in magnitude of voltage change, export the sequence corresponding with magnitude of voltage described in each;
Described by receive each described in magnitude of voltage change, the step exporting the sequence corresponding with magnitude of voltage described in each comprises:
Obtain the range of voltage values preset, described preset voltage value scope comprises, the range of voltage values corresponding with black reflection coating preset, the default range of voltage values corresponding with white reflective coating and default with without blocking corresponding range of voltage values;
According to described default range of voltage values, magnitude of voltage described in each is converted to each symbol corresponding with the described preset voltage value scope at place;
Export the sequence of symbol composition described in each;
When without card, the described magnitude of voltage of the described light intensity conversion that described photo-sensitive cell detects not described default with without when block in corresponding range of voltage values, then default block corresponding range of voltage values with nothing according to described magnitude of voltage renewal is described.
8. the method for identification card Identity Code according to claim 7, is characterized in that, when described symbol is 0 or 1, described in each, the described sequence of symbol composition is binary sequence.
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CN104951769B (en) | 2015-07-02 | 2018-11-30 | 京东方科技集团股份有限公司 | Vivo identification device, vivo identification method and living body authentication system |
CN105549725B (en) * | 2016-02-03 | 2018-12-14 | 深圳市中视典数字科技有限公司 | A kind of three-dimensional scenic interaction display device and method |
CN106295433B (en) * | 2016-08-09 | 2019-10-11 | Tcl移动通信科技(宁波)有限公司 | A kind of method and its system of intelligent card state detection |
CN107087143A (en) * | 2017-05-12 | 2017-08-22 | 厦门言必信网络科技有限公司 | A kind of personal identification method and its device recognized based on luminous point |
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JP2008282262A (en) * | 2007-05-11 | 2008-11-20 | Olympus Corp | Bar code reader and bar code reading method |
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CN1312513A (en) * | 2000-03-07 | 2001-09-12 | 宜霖科技股份有限公司 | Bar code reader with infrared source |
CN101593271A (en) * | 2009-06-26 | 2009-12-02 | 上海久娱网络科技有限公司 | System for identifying figures in the card game machine |
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