CN200941214Y - Colour-less fluorescent 2-D codes identification reader - Google Patents
Colour-less fluorescent 2-D codes identification reader Download PDFInfo
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- CN200941214Y CN200941214Y CN 200620001825 CN200620001825U CN200941214Y CN 200941214 Y CN200941214 Y CN 200941214Y CN 200620001825 CN200620001825 CN 200620001825 CN 200620001825 U CN200620001825 U CN 200620001825U CN 200941214 Y CN200941214 Y CN 200941214Y
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- colorless fluorescent
- dimensional code
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- control circuit
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Abstract
The utility model discloses an off-line identification colourless fluorescence two-dimensional code reader, comprising a shell 1, a colourless fluorescence uptake circuit 2, a sensor 3 and a control circuit 4. Through the special structure of the colourless fluorescence uptake circuit 2 and the control circuit 4, the adelomorphic of the special two-dimensional codes is accomplished, and only under the irradiation of a special light source can the codes display different colors such as red, green and yellow, or even under the irradiation of a fluorescence light source, the decodes of the special two-dimensional codes with strong counterfeit proof effect and information reverting cannot be seen, displayed through the LCD 7 arranged on the control circuit 4 at the back of the shell 1. The utility model of special two-dimensional code reader provides missionaries in factories, governments and markets with a scientific, convenient and quick tool and an approach to check the special two-dimensional codes with broad social benefits.
Description
Technical field
The utility model relates to a kind of about automatic identification and data acquisition equipment, particularly a kind of two dimension code reading equipment at two-dimension code stealthy after handling through fluorescent material.
Background technology
Bar code is divided two kinds of bar code and two-dimensional bar codes, and people see that usually the bar code that is printed in the commodity packaging is a bar code, and it is made up of one group of regularly arranged bar, sky and corresponding character, represents the sign of certain information.Since coming out the seventies in 20th century,, low cost and other advantages quick, accurate with it developed rapidly, greatly improved the speed of data acquisition and information processing; 2D bar code technology is to produce under bar code can't satisfy the prerequisite of following actual demand, on the one hand, be subjected to the restriction of information capacity, the one dimension sign indicating number can not be described article, on the other hand, the one dimension sign indicating number can not be represented Chinese character and figure, and the principal character of two-dimension code is all to represent data message in level and vertical direction, representational two-dimension code has PDF417, QR sign indicating number etc., because two-dimension code
1) contain much information 2) error correcting capability is strong by 3) can encode 4 to character image) can introduce encryption mechanism
Therefore two-dimension code has certain antiforge function.But because two-dimension code commonly used is made by printing, printing type by common consumptive material, be visible, therefore be easy to be replicated, anti-counterfeiting power is relatively poor, for improving the anti-counterfeiting power of two-dimension code, adopt extraordinary fluorescent material to handle, make the two-dimension code stealth, not reproducible, imitation greatly improves anti-counterfeiting power, but two-dimension code can be seen sightless special processing by naked eyes under normal conditions, has brought a very large difficult problem for the recognizing apparatus of this colorless fluorescent two-dimensional code.
The utility model content
The utility model is considered above-mentioned situation and is made, and can not distinguish a kind of colorless fluorescent two-dimensional code identifier of being designed and developed by the problem of the stealthy two-dimension code in colorless fluorescent processing back to solve present two-dimensional code identifier.
The purpose of this utility model is achieved through the following technical measures: this colorless fluorescent two-dimensional code identifier, mainly be made up of housing 1, colorless fluorescent picked-up circuit 2, sensor 3, control circuit more than 44 parts, it is characterized in that: described colorless fluorescent two-dimensional code identifier has the LCDs that is installed on the housing 1 rear portion control circuit 4.
The colorless fluorescent two-dimensional code identifier that the utility model is designed is characterized in that describedly at housing 1 front end colorless fluorescent picked-up circuit being installed, and carries out the collection of the light signal of colorless fluorescent two-dimensional code.
The colorless fluorescent two-dimensional code identifier that the utility model is designed, it is characterized in that described colorless fluorescent picked-up circuit 2 comprises the optical lens 6 that is installed in housing 1 front end inside and be positioned at the colorless fluorescent circuit of light sources 5 of housing 1 front end inside in optical lens 6 peripheries that the colorless fluorescent circuit of light sources connects and links to each other with control circuit by power lead.
The colorless fluorescent two-dimensional code identifier that the utility model is designed is characterized in that described control circuit 4 comprises a microprocessor, links to each other with RAM storer, ROM storer and LCDs 7 respectively, uses the FPGA hardware technology to combine.
The colorless fluorescent two-dimensional code identifier that the utility model is designed, rely on the light channel structure and the control circuit 4 of colorless fluorescent in the colorless fluorescent picked-up circuit 2, finished stealthy under normal conditions, only below the special light sources irradiation, show shape, present different colors, as red, green, Huang etc., even if perhaps under the irradiation of special light sources, still invisible, decoding and information reverting with colorless fluorescent two-dimensional code of extremely strong antifalse effect, for vast producer and government market staff provide science, conveniently check special instrument and the means of reading two-dimension code, have social benefit widely.
Description of drawings
As Fig. 1 colorless fluorescent two-dimensional code structural drawing
As Fig. 2 colorless fluorescent two-dimensional code schematic diagram
Absorb two-dimension code optical information synoptic diagram as Fig. 3 recognizer
Embodiment
With reference now to the utility model embodiment, accompanying drawing illustrates the utility model.Be illustrated in components identical or part in whole views by identical Reference numeral in the accompanying drawings, and omit the explanation of its repetition.
Embodiment below in conjunction with in the accompanying drawing further describes the technical solution of the utility model.
3 colorless fluorescent two-dimensional code recognizers with reference to the accompanying drawings, the light signal of handling is the fluorescence that sends by the colorless fluorescent two-dimensional code recognizer, optical characteristics after the data field that is incident upon the two-dimension code that need to detect is excited according to fluorescent material, two-dimension code reflection and inspire multiple light signal, these light signals are by the conversion of colorless fluorescent two-dimensional code recognizer, translation.
1 is the schematic diagram of colorless fluorescent two-dimensional code recognizer with reference to the accompanying drawings, colorless fluorescent two-dimensional code identifier, mainly by housing 1, colorless fluorescent picked-up circuit 2, sensor 3, control circuit more than 4 parts are formed, it is characterized in that: described colorless fluorescent two-dimensional code identifier has the LCDs 7 on the control circuit 4 that is installed in housing 1 rear portion, control circuit 4 absorbs circuit 2 with colorless fluorescent respectively, sensor 3 links to each other, control circuit comprises a microprocessor, the RAM storer, ROM storer and LCDs 7, the RAM storer, the ROM storer links to each other with microprocessor respectively with LCDs 7, uses the FPGA hardware technology to combine.
Referring to accompanying drawing 2, under the light source irradiation, fluorescent material can be inspired the light of certain wavelength and intensity, under state of nature, the intensity of useful signal a little less than, veiling glare influence simultaneously is very big, cause the picture contrast absorbed, a little less than the brightness, for obtaining better signal, handle through the optical lens 6 in the picked-up of the colorless fluorescent on the utility model colorless fluorescent two-dimensional code identifier circuit 2, strengthen useful signal, suppress to weaken undesired signal, with the image quality that obtains, be transferred to the sensor 3 that is positioned at housing 1 rear portion, light signal by colorless fluorescent picked-up circuit 2 is gathered extracts and strengthens the optical excitation signal that two-dimension code produced, and suppresses, weaken other stray light signals, be input to sensor 3, carry out the filtering of stray light signal by control circuit, the translation of optical excitation signal is input to two-dimensional code display information on the liquid crystal display at last.
Combine with colorless fluorescent printing ink by two-dimension code, overcome qualitative detection fluorescence in the past, the defective that lacks the scientific basis of detection by quantitative has changed the recognition mode of two-dimension code in the past, under the plain code state simultaneously, the light of two-dimension code reflection and irradiation only with a branch of light, recognizer is handled easily, but colorless fluorescent two-dimensional code, irradiates light is respectively two kinds of different light with the light of two-dimension code reflection, therefore identifier-technologies is required that huge change is arranged, technical difficulty greatly improves.
Claims (4)
1. colorless fluorescent two-dimensional code identifier, mainly form, it is characterized in that described colorless fluorescent two-dimensional code identifier has a LCDs (7) that is installed on housing (1) the rear portion control circuit (4) by housing (1), colorless fluorescent picked-up circuit (2), sensor (3), several parts of control circuit (4).
2. colorless fluorescent two-dimensional code identifier according to claim 1, its feature is installed colorless fluorescent picked-up circuit (2) at housing (1) front end, carries out the collection of the light signal of colorless fluorescent two-dimensional code.
3. colorless fluorescent two-dimensional code identifier according to claim 1, it is characterized in that described colorless fluorescent picked-up circuit (2) comprises the optical lens (6) that is installed in housing (1) front end inside and be positioned at the colorless fluorescent circuit of light sources (5) of housing (1) front end inside in optical lens (6) periphery that colorless fluorescent circuit of light sources (5) links to each other with control circuit by power lead.
4. colorless fluorescent two-dimensional code identifier according to claim 1 is characterized in that described control circuit (4) comprises a microprocessor, links to each other with RAM storer, ROM storer and LCDs 7 respectively, uses the FPGA hardware technology to combine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620001825 CN200941214Y (en) | 2006-01-25 | 2006-01-25 | Colour-less fluorescent 2-D codes identification reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620001825 CN200941214Y (en) | 2006-01-25 | 2006-01-25 | Colour-less fluorescent 2-D codes identification reader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200941214Y true CN200941214Y (en) | 2007-08-29 |
Family
ID=38747391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620001825 Expired - Fee Related CN200941214Y (en) | 2006-01-25 | 2006-01-25 | Colour-less fluorescent 2-D codes identification reader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200941214Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104221030A (en) * | 2012-04-03 | 2014-12-17 | 英迪股份有限公司 | Film on which code is recorded, reader used for recognizing the film on which code is recorded, and electronic apparatus including display device having film on which code is recorded attached thereto |
| CN104360469A (en) * | 2014-09-29 | 2015-02-18 | 沈阳安创信息科技有限公司 | Special USB (universal serial bus) electron microscope for identifying two-dimensional codes |
| CN107423795A (en) * | 2017-07-05 | 2017-12-01 | 宇龙计算机通信科技(深圳)有限公司 | Quick Response Code figure layer, barcode scanning method and user equipment based on Quick Response Code figure layer |
-
2006
- 2006-01-25 CN CN 200620001825 patent/CN200941214Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104221030A (en) * | 2012-04-03 | 2014-12-17 | 英迪股份有限公司 | Film on which code is recorded, reader used for recognizing the film on which code is recorded, and electronic apparatus including display device having film on which code is recorded attached thereto |
| CN104360469A (en) * | 2014-09-29 | 2015-02-18 | 沈阳安创信息科技有限公司 | Special USB (universal serial bus) electron microscope for identifying two-dimensional codes |
| CN107423795A (en) * | 2017-07-05 | 2017-12-01 | 宇龙计算机通信科技(深圳)有限公司 | Quick Response Code figure layer, barcode scanning method and user equipment based on Quick Response Code figure layer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070829 Termination date: 20110125 |