CN1914621A - Method for identifying and authenticating goods using codes, barcodes and radio frequency identification - Google Patents
Method for identifying and authenticating goods using codes, barcodes and radio frequency identification Download PDFInfo
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- CN1914621A CN1914621A CNA2004800413422A CN200480041342A CN1914621A CN 1914621 A CN1914621 A CN 1914621A CN A2004800413422 A CNA2004800413422 A CN A2004800413422A CN 200480041342 A CN200480041342 A CN 200480041342A CN 1914621 A CN1914621 A CN 1914621A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
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- 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
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00326—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a data reading, recognizing or recording apparatus, e.g. with a bar-code apparatus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/08—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
- G06K19/10—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards
- G06K19/14—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards the marking being sensed by radiation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
- G06V30/22—Character recognition characterised by the type of writing
- G06V30/224—Character recognition characterised by the type of writing of printed characters having additional code marks or containing code marks
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/004—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using digital security elements, e.g. information coded on a magnetic thread or strip
- G07D7/0043—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using digital security elements, e.g. information coded on a magnetic thread or strip using barcodes
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/004—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using digital security elements, e.g. information coded on a magnetic thread or strip
- G07D7/0047—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using digital security elements, e.g. information coded on a magnetic thread or strip using checkcodes, e.g. coded numbers derived from serial number and denomination
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- 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
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00326—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a data reading, recognizing or recording apparatus, e.g. with a bar-code apparatus
- H04N1/00342—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a data reading, recognizing or recording apparatus, e.g. with a bar-code apparatus with a radio frequency tag transmitter or receiver
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- 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
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32128—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title attached to the image data, e.g. file header, transmitted message header, information on the same page or in the same computer file as the image
- H04N1/32133—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title attached to the image data, e.g. file header, transmitted message header, information on the same page or in the same computer file as the image on the same paper sheet, e.g. a facsimile page header
- H04N1/32138—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title attached to the image data, e.g. file header, transmitted message header, information on the same page or in the same computer file as the image on the same paper sheet, e.g. a facsimile page header in an electronic device attached to the sheet, e.g. in an RFID tag
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3225—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document
- H04N2201/3233—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document of authentication information, e.g. digital signature, watermark
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3269—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs
Abstract
The present invention provides methods for identifying and authenticating goods. A code or checksum based on information or an image relating to a good is derived and associated with a barcode to include on a label. The label is scanned by a recipient to authenticate the goods. Scanable code are provided based on an image by distilling an image into its hue components and using a grid to create a pattern. The pattern is readable by a scanner to obtain a code directly, or by consulting a look-up table. The said code, barcode, digital barcode or scanable code can be included on a label or tag, such as an RFID tag.
Description
Copyright and legal notice
The part of this patent file institute disclosure comprises material protected by copyright.This copyright owner does not oppose that anyone duplicates this patent file or the patent disclosure that appear in Patent﹠Trademark Office's patent document or the record, but is keeping all copyrights aspect other.
The related application cross reference
The present invention is the 10/497th, continue application case and advocate the 10/497th of the part of No. 636 patent application cases according to 35U.S.C. § 120, the right of No. 636 patent application cases, the 10/497th, No. 636 patent application cases are a national application case of the PCT/US02/38558 international application case of filing an application on Dec 2nd, 2002 and the right of advocating PCT/US02/38558 international application case according to U.S.C. § 365 (a), PCT/US02/38558 international application case is advocated the right of the 60/334th, No. 570 temporary patent application case of filing an application in November 30 calendar year 2001 according to 35U.S.C. § 119 (e).The content of above-mentioned each application case is incorporated herein in full with way of reference.The application's case is also advocated the right of the 60/528th, No. 046 temporary patent application case of filing an application on Dec 8th, 2003 according to 35U.S.C. § 119 (e), the content of this temporary patent application case is incorporated herein in full with way of reference.
Technical field
Do not have
Background technology
RF data communications (" RFDC ") should be used for realizing to stock, shipment or makes the technology of the wireless interactive real-time update of using by local and wide-area networking for a kind of.Five advantages of the use RFDC that often mentions are that database accuracy is improved from start to finish, written document reduces, can true-time operation, throughput rate improves, and the order response time shorten.RFDC is a kind of communication technology that is used for identification automatically and data aggregation, and it is generally used for following the tracks of commodity, for example is used for manufacturing, warehousing, dispensing and logistics management.RFDC usually with bar code scanning or radio-frequency (RF) identification (" RFID ") be used for that management and control receives, stores, retrieves, makes an inventory, order picking, selection position are supplied, shipment, tracking are returned, mark and other application.RFDC also is used for being used to follow the tracks of pharmaceuticals and medical material such as reaching in application such as goods tracking and marks in hospital in plant area.Aspect retail, the rf terminal machine is used for the order input and the direct store delivery at price examination, place, point of sale more and more.
Modal radio frequency implementation method is to use wireless terminal (hand-held or vehicular), and it comprises a radio transmitter, keyboard, LCD display and generally includes a bar code scanner.Terminating machine is communicated by letter with main wireless set (also being called base station or radio network gateway), main wireless set receives message and it is delivered to the radio frequency network controller from each terminating machine, and will be from the main frame system be sent to terminating machine such as message such as instruction and anomalous events.
Bar codes technique has the historical of three more than ten years at present and uses various symbolic representation systems.Described various symbolism comprises different standards and criterion for using, and these standards and criterion will be used for the various feature optimizations of the distinct symbols system of different application.The example of bar code comprises: the postal bar code with height bar; Be generally used for being printed on alternating expression two or five bar codes on the corrugated case; Reach reduction space symbology (" RSS ") bar code as a kind of form of two-dimensional bar.
Summary of the invention
The invention provides the method that is used to discern and differentiate goods.In one embodiment, provide a kind of method that is used to differentiate goods, it comprises reception one code based on the information that is associated with described commodity.For example, described information is labelled on the label that is placed on the described commodity.Described information can be relevant with described commodity, for example used information (for example product information or product photo) or other information usually when manufacturing, tracking, shipment, reception or merchandising.Described code is for example to use the method that comprises checksum algorithm, known point sum or other discrimination methods to receive, obtain or produce.Described code is associated with a bar code, for example, described code is added into described bar code.Comprise that with one the information on the described bar code and the label of correlative code are associated with described commodity, for example, are labelled to described commodity with it.One take over party who receives the commodity with described associated tag can read or scan described label and by described code relatively being verified the accuracy of information relevant with described commodity on described commodity and the described label.Whether described take over party is scanned the described information of being associated and is obtained described code, and compared to determine described code the code that is comprised on described code and the described label consistent.
But another embodiment of the present invention provides a kind of method that is used for producing according to an image scan code.Described method comprises that the tonal content according to image extracts described image.Extract described image, or change or reduce described image, so that black, complete white or full ash is helped in the pixel reduction of described image by on described image, setting a high contrast.Stack one grid on resulting black white image or black-white-gray image, thus the grid that forms a pattern is provided.The pattern that each is possible is associated with a character.Starting point and destination county at described pattern are provided with ceiling, will read which section in the described pattern to the scanner indication.The take over party can be scanned described image and obtain to be provided in data in the described pattern.
But an embodiment more of the present invention provides a kind of method that is used for producing according to an image scan code.As described herein, described method comprises: the tonal content according to described image extracts an image, covers a grid to form a pattern on the image that is extracted, and inserts ceiling to indicate starting point and the terminal point on the described pattern.Each pattern all has a corresponding character that can be used for producing a corresponding code that is obtained in one looks into table.The one scan device can be read described code and obtain corresponding characters with reference to described looking into table.
Another embodiment of the present invention provides a kind of method that is used for recognition value, and it comprises with encode bar code information and described digitized bar code stored into during a RFID goods signs of a digital format.Can use a RFID scanner or other readers to obtain described bar code information and come recognition value.Another embodiment of the present invention provides the discriminating to commodity, and it comprises according to information acquisition one code relevant with described commodity (for example verification with) and with described code storage signs in described RFID goods.Described RFID scanner or other readers can be discerned described commodity and/or differentiate described commodity simultaneously with consistent with described information by verifying described code or verification.
According to another embodiment of the present invention, provide a kind of method that article are differentiated that helps.Described method comprises: obtain a code according to an image, and described image and is comprised the machine-readable character of described code is associated with one or more article that will differentiate.
According to another embodiment of the present invention, described machine-readable character is a bar code, for example reduction space symbology (RSS) bar code.
According to another embodiment of the present invention, described image is a photo and/or text message.
According to another embodiment of the present invention, provide a kind of method of differentiating article.Described method comprises according to an image that is associated with one or more article and obtains a first code.Obtain a second code according to a machine-readable character that also is associated with described one or more article.Determine the authenticity of described one or more article according to described first and second code, the described authenticity of wherein determining described one or more article comprises determines whether described first code is consistent with described second code.
According to another embodiment of the present invention, provide a kind of symbol that one or more article are differentiated of helping.Described symbol comprises an image that is associated with described one or more article.One machine-readable character is associated with described one or more article, and wherein said machine-readable character comprises a code based on described image.
According to another embodiment of the present invention, described image comprises one first and one second ceiling that is used to read the first code that is associated with described image.
According to another embodiment of the present invention, described image comprises a photo, a portrait, text message.
According to another embodiment of the present invention, described machine-readable character comprises reduction space symbology (RSS) bar code.
According to another embodiment of the present invention, described machine-readable character comprises the data that are associated with shipment information, inventory information, invoice information, product type information, purchase order information and/or signing messages.
According to another embodiment of the present invention, described symbol further comprises a label, and described label comprises and is formed at top described machine-readable character and image to be applied to described one or more article.
According to another embodiment of the present invention, provide a kind of method that article are differentiated that helps, wherein said method comprises a machine-readable character is associated with one or more article that will differentiate.Also a storer and a transceiver are associated with described one or more article, wherein said storer is coupled to described transceiver.One image of the described machine-readable character of described memory stores.
According to another embodiment of the present invention, provide a kind of method of differentiating article.Described method comprises according to first machine-readable character that is associated with one or more article and obtains a first code.The image of one second machine-readable character is handled and it is stored in the storer to obtain a second code.Described storer is coupled to a transceiver and the two is associated with described one or more article.Determine the authenticity of described one or more article according to described first and second code.
According to another embodiment of the present invention, the described authenticity of determining described one or more article comprises and determines whether described first code is consistent with described second code.
According to another embodiment of the present invention, provide a kind of method that article are differentiated that helps.Described method comprises a machine-readable character and an image is associated with one or more article that will differentiate.Also a storer and a transceiver are associated with described one or more article, wherein said storer is coupled to described transceiver.Described machine-readable character of described memory stores and described image.
According to another embodiment of the present invention, described machine-readable character comprises machine-readable data.
According to another embodiment of the present invention, described machine-readable character comprises a machine-readable symbol image.
According to another embodiment of the present invention, described transceiver is sent to a receiver for discriminating with machine-readable character and the image of being stored.
According to another embodiment of the present invention, provide a kind of method of differentiating article.Described method comprises to be handled to obtain a first code a machine-readable character that is stored in the storer, and wherein said storer is coupled to a transceiver.Described storer and transceiver are associated with described one or more article.One image that is stored in the described storer is handled to obtain a second code.Determine the authenticity of described one or more article according to described first and second code, the described authenticity of wherein said one or more article depends on whether described first code is consistent with described second code.
According to another embodiment of the present invention, obtaining described first code comprises and reads described machine-readable character.
According to another embodiment of the present invention, provide a kind of method that article are differentiated that helps.Described method comprises according to one and comprises that the image of plurality of regions obtains a code, and wherein said code is relevant with in the described plurality of regions at least one.The machine-readable character that described image and is comprised described code is associated with one or more article that will differentiate.
According to another embodiment of the present invention, described code comprise a verification and.
According to another embodiment of the present invention, described code comprises one or more pixels that are associated with described plurality of regions is encoded.
According to another embodiment of the present invention, provide a kind of method of differentiating article.Described method comprises according to an image that is associated with one or more article and obtains a first code, and wherein said image comprises that plurality of regions and described first code are relevant with in the described plurality of regions at least one.Obtain a second code according to a machine-readable character that is associated with described one or more article.Determine the authenticity of described one or more article according to described first and second code.
According to another embodiment of the present invention, the described authenticity of determining described one or more article comprises and determines whether described first code is consistent with described second code.
According to another embodiment of the present invention, provide a kind of method that from an image, obtains data.Described method comprises to be handled to obtain one second image the chromatic characteristic of one or more pixels of one first image.Described second image interpretation is become a machine-readable character, from described second image, obtain a code thus.
According to another embodiment of the present invention, become a machine-readable character to comprise described second image interpretation described second image interpretation is become a bar code.
According to another embodiment of the present invention, become a bar code to comprise described second image interpretation described second image interpretation is become a bar code according to a barcode format, described barcode format comprises plurality of patterns and respective value, and each in the described plurality of patterns of wherein said barcode format all has a respective value.
According to another embodiment of the present invention, become a bar code to comprise at least a portion that described second image interpretation is become a two-dimensional bar described second image interpretation.
According to another embodiment of the present invention, provide a kind of method that article are differentiated that helps.Described method comprises according to an image and obtains a machine-readable character by the chromatic characteristic of one or more pixels of described image is handled.With described image and described machine-readable character and one or more item associations that will differentiate.
According to another embodiment of the present invention, obtaining a machine-readable character according to an image comprises according to an image and obtains a bar code.
According to another embodiment of the present invention, obtain a bar code according to an image and comprise at least a portion that from an image, obtains a two-dimensional bar.
According to another embodiment of the present invention, described method further comprises generation one second font code, and the described second font code pair data relevant with described two-dimensional bar are encoded.Described image and described machine-readable character be associated with one or more article that will differentiate to be comprised described two-dimensional bar and described second font code is associated with described one or more article, so that described two-dimensional bar and described second font code form a composite bar code.
According to another embodiment of the present invention, provide a kind of method of differentiating article.Described method comprises according to an image that is associated with one or more article and obtains one first machine-readable character by the chromatic characteristic of one or more pixels of described image is handled.Determine the authenticity of described one or more article according to described first machine-readable character and second machine-readable character that is associated with described one or more article.The described authenticity of determining described one or more article comprises: obtain a first code from described first machine-readable character, obtain a second code and determine the authenticity of described one or more article according to described first and second code from described second machine-readable character.
According to another embodiment of the present invention, obtaining described first machine-readable character according to described image comprises according to described image and obtains article one font code.Described second machine-readable character comprises a second font code.
According to another embodiment of the present invention, obtain described article one font code according to described image and comprise acquisition one two-dimensional bar from described image, wherein said two-dimensional bar and described second font code form a composite bar code.The authenticity of determining described one or more article comprises that whether definite described second font code is corresponding to described two-dimensional bar.
According to another embodiment of the present invention, provide a kind of method that article are differentiated that helps.Described method comprises according to an image and obtains a machine-readable character by the chromatic characteristic of one or more pixels of described image is handled.Obtain a code according to described machine-readable character, wherein said code storage is coupled in the memory storage of a R-T unit in one.Described image, described memory storage and described R-T unit are associated with one or more article that will differentiate.
According to another embodiment of the present invention, provide a kind of method of differentiating article.Described method comprises according to an image that is associated with one or more article and obtains a machine-readable character by the chromatic characteristic of one or more pixels of described image is handled.Obtain a first code according to described machine-readable character.From one with memory storage that described one or more article are associated obtain a second code, wherein said memory storage is coupled to a R-T unit that is associated with described one or more article.Determine the authenticity of described one or more article according to described first and second code.
According to another embodiment of the present invention, the described authenticity of determining described one or more article comprises and determines whether described first code is consistent with described second code.
According to another embodiment of the present invention, provide a kind of method that article are differentiated that helps.Described method comprises according to one first image and obtains a machine-readable character by the chromatic characteristic of one or more pixels of described first image is handled.One image of described machine-readable character is stored in one to be coupled in the storer of a R-T unit.The described image of described machine-readable character, described memory storage and described R-T unit are associated with one or more article that will differentiate.
According to another embodiment of the present invention, provide a kind of method of differentiating article.Described method comprises according to an image that is associated with one or more article and obtains one first machine-readable character by the chromatic characteristic of one or more pixels of described image is handled.From one with memory storage that described one or more article are associated obtain one second machine-readable character, wherein said memory storage is coupled to a R-T unit that is associated with described one or more article.Determine the authenticity of described one or more article according to described first and second machine-readable character.
According to another embodiment of the present invention, the described authenticity of determining described one or more article comprises: obtain a first code from described first machine-readable character; From described second machine-readable character, obtain a second code; Reach the authenticity of determining described one or more article according to described first and second code.
According to another embodiment of the present invention, but a kind of method that produces scan code according to an image is provided.Described method comprises the chromatic characteristic of handling one or more pixels that are associated with described image.Obtain a first code of described one or more pixels, wherein said first code is corresponding to a second code that is associated with a machine-readable character.
According to another embodiment of the present invention, by described first code is applied to one be associated with described machine-readable character look into table and produce described second code.
According to another embodiment of the present invention, described method further comprises adds one first designated symbol indicating one to be used to scan the starting point of described image, and adds one second designated symbol to indicate a terminal point that is used to scan described image.
According to another embodiment of the present invention, but described method further comprises the scan code that will be produced is applied to described one or more article.
According to another embodiment of the present invention, the described chromatic characteristic of handling described one or more pixels comprises the described color-values that changes described one or more pixels, will comprising that the tone value more than 50% grey black converts the tone value of representing black to, and will comprise that being less than 50% linen tone value converts the tone value of representing white to.
According to another embodiment of the present invention, described one or more pixel coders that described one or more pixel coders that are converted into the tone value of representing black become a first generation code value also will be converted into the tone value of representing white become a second generation code value.
Description of drawings
In accompanying drawing graphic the present invention has been carried out graphic extension, these are graphic only to be intended to as exemplary and indefiniteness explanation, graphic in identical reference symbol be intended to refer to identical or corresponding components, and in graphic:
Fig. 1 describes the process flow diagram of method according to an embodiment of the invention;
Fig. 2 describes a label according to an embodiment of the invention;
Fig. 3 describes a label according to an embodiment of the invention;
Fig. 4 describes a process flow diagram according to an embodiment of the invention;
Fig. 5 describes one according to an embodiment of the invention through converted image;
Fig. 6 A describes the enlarged drawing of the part of image shown in Figure 5 according to an embodiment of the invention;
Fig. 6 B describes the enlarged drawing of the part of image shown in Figure 5 according to an embodiment of the invention;
Fig. 7 describes one according to an embodiment of the invention through converted image and superimposed grid;
Fig. 8 describes a label according to an embodiment of the invention;
Fig. 9 describes a label according to an embodiment of the invention;
Figure 10 A describes a label according to an embodiment of the invention;
Figure 10 B describes a label according to an embodiment of the invention;
Figure 11 describes one and has the grid of pixel sub picture according to one embodiment of the invention; And
Figure 12 describes a kind of process flow diagram of method according to an embodiment of the invention.
Embodiment
Set forth each preferred embodiment of the present invention referring now to accompanying drawing.Generally speaking, a collection of shipping goods is to mail to the destination with enclose written document and other information from the original producton location.Usually, incorporate the information of limited quantity into a bar coded sticker that places on the commodity, and other information are included in one enclose in the packing slip.Some information types relevant with commodity comprise: product type, original producton location and destination-address or other information, for example the identifier of invoice, purchase order, the shipment number or lot number, date, shipment storage, use and trace information.
Referring to Fig. 1, it describes a kind of method that is used to differentiate commodity according to one embodiment of the invention.Receive a code (step 50).Described code is to draw from the information that is associated that can be relevant with commodity, and as described herein, for example draws from Item Number 120 shown in Fig. 2 and 3 or associated image 125.Fig. 2 and 3 describes a label 100 according to an embodiment of the invention.Other information of being associated can be with load and transport, information that tracking, stock, order, invoice, tariff, photo, fingerprint, product type, regulation, passport, legitimate files, manufacturing conformity certification, bar code are relevant or be other information of text, image or other digital formats.
Should be appreciated that the identifier that Item Number 120 shown on the label 100 or associated image 125 can be an alphanumeric, image or other identifiers that can be read by the people and/or can be read by scanner or reader.In preferred embodiment, described code is based on and is printed on the label or otherwise follows all information that are associated with commodity of commodity or the part of the information that is associated with commodity.For example, when from signature or fingerprint, drawing code, can use any part or all parts of described signature or image.When from images such as for example portrait, drawing code, can use whole codes that draw of described image, perhaps can use the part that eyes etc. for example are rich in details to draw code.Described code can be a verification and, all known point sums or representative place other codes of the information on the label.Can obtain by method known in the affiliated field verification and or code, for example checksum algorithm, hashing algorithm, multiplier or other are used to obtain the method for the code of representative information.
With code be associated with a bar code (step 60).For example code is associated with a bar code by code being converted to as the barcode format shown on the Commercial goods labels in Fig. 2 and 3 100.The bar code type of being described on Fig. 2 and 3 comprises with Micro PDF417 form shown two-dimentional composite code 130 and RSS linear bar code 140.In addition, the bar code that described code and can be the form 150 that can be read by the people is associated, and can be provided data indicated in the bar code by the form that the people reads with one by the form 150 that the people reads.Creating a label (step 70) that comprises described code and associated barcode also for example is associated label by label is labelled on the commodity with commodity.In each preferred embodiment, described label is included in the data of being described on the label 100 of Fig. 2 and 3, comprises information relevant with described commodity and the code that is associated with the information that is relevant to described commodity with barcode format.
The take over party who has the commodity of label 100 differentiates described commodity by following manner: the information that is associated that scanning or readout sign are signed is to obtain code; Scanning comprises the bar code of described code; And these codes are compared to differentiate commodity.Code is consistent to show that then label does not change.Code is inconsistent to show that then label changes.In each preferred embodiment, just in case code is inconsistent, scanner or reader just will provide a signal, for example the beep sound that can hear.
Referring to Fig. 4-it describes a kind of method that is used to produce a bar code according to one embodiment of the invention, in step 200, extract an image by (for example) following apparatus according to the tonal content of image: once programming receive described image (for example from the one scan device) with the scanner or of implementing this extraction and through programming to implement the computing machine of this extraction.As mentioned below, the image that is extracted can be retained in the storer of scanner or computing machine for further processing.
For example, by using a high-contrast to set to obtain a black white image or a black-white-gray image, described image is changed according to being contained in color in the image or tonal scale.More specifically, having zone greater than the color of 50% grey black or tone value becomes black and has the zone that is lower than 50% linen color or tone value and be white.In another embodiment, have greater than the color of 33.3% grey black or the zone of tone value and become black, have the zone that is lower than 33.3% linen color or tone value and be white, and to have the zone that is lower than 33.3% grey black and is higher than 33.3% linen color or tone value be grey.Describe example among Fig. 5,6A and the 6B once converted image.Fig. 5 be associated image 125 shown in Figure 3 through converted image so that make the image among Fig. 5 only comprise monochrome pixels, and do not comprise the gray level of the associated image 125 shown in Fig. 3.Among Fig. 6 A and the 6B with the part 250 in the enlarged drawing displayed map 5.
In each preferred embodiment, part 250 comprises crucial intended pixel shown in Fig. 6 B.Crucial intended pixel is a selected element as the representative element that will be scanned in the described image in the image.For example, preliminary election is selected to can be by the zone of scanner scans with the zone (for example eyes on the portrait) of being rich in details in the image.But though preferablely convert entire image to a scan image, resulting data may be flooded conventional scanners.But, provide crucial intended pixel in order to limit the data volume that is associated with a scan image.As shown in Fig. 6 B, have three crucial intended pixels.Should be appreciated that to have more than three crucial intended pixels.Can will be sent to the take over party with the relevant information of the crucial intended pixel of identification or otherwise indicate on label or alternative document.
Can be at covering one grid (step 210) on converted image shown in Figure 5.In each preferred embodiment, described grid be at least as shown in Figure 7 32 * 32.Should be appreciated that described grid can be in 6 * 6 to 1000 * 1000 scopes, so that the pattern variation that is enough to distinguish different images to be provided.In example shown in Figure 7, can use the image displaying of one 32 * 32 grids become 0 and 1 or other alphanumeric characters of the described image of a string representative with one.Each grid in the grid all will represent-based on the value of associated image (for example black equal 1, equal 0 in vain).To scan and use it to be worth the point of a selected quantity on the grid and construct a derived information that can be embedded in the bar code.For example, the first capable pattern that has the black lattice by some, afterwards formed with other black lattice with some white squares, back.This can represent that (for example) becomes " 11111000000000000111 ".Each pattern variation all refers to a character.
Can insert ceiling or other starting points and destination indicator (step 220), make bar code reader or scanner can discern starting point and terminal point so that alphanumeric character is shifted into.Ceiling 300 be shown in Fig. 8,9 and 10A shown in each side place of bar code.Can be printed on the label so that can on label, read through converted image, grating and ceiling resulting by one scan device or reader.And, as mentioned above, can in scanner or computer memory, implement above-mentioned processing, so as can be for example by the software of the image interpretation slivering font code of pattern is interpreted as a bar code with residing in resulting in scanner or the computer memory through converted image.
Fig. 8,9 and 10A in an example of display image and ceiling.Referring to Fig. 8, ceiling is hidden in the digital picture, and in Figure 10 A, the RSS ceiling is contained in the stacked type band edge block diagram picture.Can will be contained in the label through converted image and ceiling, described label is for example by being labelled on the commodity and be associated with described commodity.
It describes the ceiling of RSS stack band edge frame portrait referring to Figure 10 A-, and an image transitions is become its black and white composition, covers a grid in the above and also it can be read as the bar code pattern in the two-dimensional composite portion of a bar code.As mentioned above, this kind with image transitions and be interpreted as a bar code operation can image reside in respectively once programming with the storer of the scanner of implementing this kind operation or computing machine in by described scanner or computer-implemented.Should be appreciated that resulting bar code pattern can be that the bar code shown in arbitrary conventional barcode or Figure 10 B-it comprises a linear bar code, described linear bar code comprises the color change based on primary image 370 and RSS bar code 380.Because the contrast between bright bar and the dark bar, linear bar code 370 can be read by the conventional barcode scanner.In addition, the dedicated programmed scanner that is used for reading the shade degree in the barcode lines can be read the additional information that is contained in the barcode lines.Described image provides with a machine readable format, so that scanner can carry out discrimination process automatically.
The take over party who receives described commodity is to label-more specifically, to the pattern between the ceiling on the label-scan and the obtain character corresponding to each pattern.
Though be to set forth the present invention with reference to black or the white pattern of grey black, should be appreciated that identical method also can be applicable to coloured image, this will produce the pattern of bigger quantity, therefore, can give the feature of the bigger quantity of each pattern.
In another embodiment of the present invention, but will be used from the information that therefrom draws a code that provides relevant according to the scan image that image produced with the discrimination method one of Fig. 1, for example verification and or other data verification items according to process flow diagram shown in Figure 4 with commodity.Described verification and can obtaining according to the data that comprised in the entire image perhaps can draw from described crucial intended pixel herein.
Again referring to Fig. 9, the image between the one scan device read out protection bar 300.As described herein, ceiling 300 provides starting point and terminal point for scanner or reader.It in image 310 RSS bar code 320.RSS one comprises the complicated barcode in fillet and wide and narrow space and wide space.Have many combinations of patterns among the RSS, more than wanting usually by the represented character quantity of RSS code.The other end of the capacity of character spectrum is a code 39 in representative code, and it represents character 0 to 9, A to Z and several symbol.
It should be noted that Fig. 9 and 10A can describe different the processing stage.Figure 10 A can describe to be printed on image and the stacked type linear bar code that one on the label impaled by ceiling.Fig. 9 can describe one and reside in a bar code 320 of handling in the storer of the scanner of image shown in Figure 10 A or computing machine.For example, image shown in the scintigram 10A and when the image that is scanned resides in scanner or the computer memory can be handled it so that convert thereof into bar code 320 as mentioned above.
Another embodiment of the present invention comprises that the pattern that is associated with an image as basis as described in is in this article looked into table according to one and produces bar code.All can be associated by each the possible pattern variation that an image transitions is become its black and white or black-white-gray composition and covering one grid forms on described image with a character.In a preferred embodiment, for example by reference the grid of a specified quantity with obtain single pattern corresponding to a character reduce may pattern quantity.Scanner is read through converted image, perhaps to residing in analyzing through converted image in scanner or the computer memory, and can implement to search to find the code that is associated in a table according to the pattern that is contained in the image.The invention provides a kind of bar code, described bar code is according to providing the character of a fair amount or the character set of a breviaty by an image transitions being become to look into the related pattern that code obtained in the table in alphanumeric set.Preferable character quantity is 2
5Or 32, it represents A to Z and 0 to 5.Image is become a short string alphanumeric character by breviaty, twice scanning of two digital pictures is compared being easy to.
For example, when using 2
5Or 32 characters are when forming a bar code, the quantity that image should comprise the possible code change form that several are had separately with and the identical coding region of quantity of the corresponding bar code character (promptly 32) that is associated of described bar code.Therefore, for each code that is associated with a coding region of image, according to looking into table, the bar code character (being 0-5 and A-Z) that all has a correspondence.For example, the RSS-14 bar code of a brachymemma can be divided into an image with grid of being no more than 14 coding regions (promptly 7 * 2) and has been associated with one.Described coding region is applied to one looks into table, described looking into table then produces corresponding bar code character.In addition, each coding region is all represented the character of bar code.If use for example 32 characters when producing bar code, then each coding region all must have one 5 coded word (i.e. " 11110 ") and represents 32 list items looking into in showing.For example, can give each one code bit of the pixel with black " 1 ".Similarly, can give the pixel codes position " 0 " that each has white.Therefore, in this given example, five pixels of each group all can be represented a character of bar code.
Referring to Fig. 6 B, can be used for image transitions is become a bar code by image is made with a superimposed grid that is made of the grid of predetermined quantity.Each grid of grid is all represented a value based on associated image (for example black equals 1, and white equals 0).In certain embodiments, all elements in the use image when converting bar code to.Preferablely convert entire image to machine-readable alpha-numeric string, but resulting data may be flooded traditional scanner.In order to limit the data volume that is associated with an image, in other embodiments, scan the point or the intended pixel of a selected quantity on the described grid, three crucial intended pixels 350 for example, and use its value to look into table according to one and construct a code.Should be appreciated that to have more than three crucial intended pixels.Can by between transmit leg and the take over party communicate by letter or other approach obtain crucial intended pixel.
Referring to Figure 11, the image shown in Fig. 5,6A and the 6B is divided into one 6 * 6 grids and each three pixel sub picture and all is endowed one from 0 to 7 value.Bar code scanner through programming with read one wherein each row be equal to two-dimensional bar of height of single sprite.Figure 11 comprises six row bar code informations.Image on the label will have one and help scanner to define the supplementary protection bar image of each row, starting point and terminal point, the ceiling that is positioned on the grid both sides for example shown in Figure 8.
The take over party who receives the commodity with associated tag can read or scan code and with reference to looking into the character of showing to obtain to mention in described code.
When RFID and these two kinds of technology of bar code are combined and be applied to follow the tracks of, protection and when differentiating commodity, it can have the effect of mutually promoting.The RFID technology comprises uses RFID goods to sign and reader.RFID goods is signed and is generally included data-carrier store (for example chip).Some RFID goods are signed and are comprised that in addition transceiver is stored in the data that goods is signed with transmission.Be stored in the data of RFID goods in signing comprise usually with above be placed with the relevant information of article of RFID goods label.Communicating by letter between RFID goods label and reader or the scanner normally undertaken by radio communication.
Referring to Figure 12-it is described a kind of process flow diagram of method according to an embodiment of the invention, bar code information is encoded into a digital format (step 400).Bar code information can be information that is a conventional barcode form or the bar code information that is produced according to an image as described herein.Described bar code information can for example obtain from the label of commodity or from databases such as for example commodity stocks inventory.Bar code information is encoded into a digital format-for example by the bar code breviaty being become a series of 0 and 1 or other digital formats.Digital barcode information is stored in a RFID goods signs (step 410).Then, can read described digital barcode information by a RFID scanner.Described RFID scanner is rendered as described digital barcode information one bar code or described data is sent to a network or a system based on bar code.Can from sign, described goods discern and obtain described commodity and the information relevant with described commodity.
In each preferred embodiment, receive or otherwise obtain just like herein described from information that commodity are associated the code (for example) that draws as a verification and or other checking symbols (step 420).This code is with roughly the same with reference to the described code of Fig. 1.Described code storage to RFID goods is signed (step 430).Resulting goods is signed and is comprised RFID data, digital barcode data and an authentication code, for example a verification and.When reading described goods and sign, digitized bar code and authentication code are compared to verify that described goods label are really and do not change any information.
Though set forth in conjunction with preferred embodiment and shown the present invention, but can make the those skilled in the art with open-and-shut many changes and modification, this does not deviate from spirit of the present invention and scope, and therefore the present invention is not limited only to said method or constructs chop up joint really, because this type of change and modification are also intended to be included in the scope of the present invention.
Claims (54)
1, a kind of method that helps the article discriminating comprises:
Obtain a code according to an image; And
The machine-readable character that described image and is comprised described code is associated with one or more article that will differentiate.
2, the method for claim 1, wherein said machine-readable character are a bar code.
3, the method for claim 1, wherein said image are a photo.
4, the method for claim 1, wherein said image comprises text message.
5, the method for claim 1, wherein said machine-readable character comprise reduction space symbology (RSS) bar code.
6, a kind of method of differentiating article comprises:
Obtain a first code according to an image that is associated with one or more article;
Obtain a second code according to a machine-readable character that is associated with described one or more article; And
Determine the authenticity of described one or more article according to described first and second code.
7, method as claimed in claim 6 determines that wherein the described authenticity of described one or more article comprises whether definite described first code is consistent with described second code.
8, a kind of symbol that helps the discriminating of one or more article, described symbol comprises:
One image that is associated with described one or more article; And
One machine-readable character that is associated with described one or more article, wherein said machine-readable character comprises a code according to described image.
9, symbol as claimed in claim 8, wherein said image comprise one first and one second ceiling that is used to read the described first code that is associated with described image.
10, symbol as claimed in claim 8, wherein said image comprises a photo.
11, symbol as claimed in claim 8, wherein said image comprises a portrait.
12, symbol as claimed in claim 8, wherein said image comprises text message.
13, symbol as claimed in claim 8, wherein said machine-readable character comprise reduction space symbology (RSS) bar code.
14, symbol as claimed in claim 8, wherein said machine-readable character comprise with the group that forms by following message at least one data that are associated: shipment information, inventory information, invoice information, product type information, purchase order information, and signing messages.
15, symbol as claimed in claim 6 further comprises a label, and described label comprises and is formed at described machine-readable character and the image that top being used to is applied to described one or more article.
16, a kind of method that helps the article discriminating comprises:
One machine-readable character is associated with one or more article that will differentiate; And
One storer and a transceiver are associated with described one or more article, wherein described storer are coupled to described transceiver, and an image of the described machine-readable character of wherein said memory stores.
17, a kind of method of differentiating article comprises:
Obtain a first code according to first machine-readable character that is associated with one or more article;
Processing is stored in an image of one second machine-readable character in the storer to obtain a second code, wherein described storer is coupled to a transceiver and the two is associated with described one or more article; And
Determine the authenticity of described one or more article according to described first and second code.
18, method as claimed in claim 17 determines that wherein the described authenticity of described one or more article comprises whether definite described first code is consistent with described second code.
19, a kind of method that helps the article discriminating comprises:
One machine-readable character and an image are associated with one or more article that will differentiate; And
One storer and a transceiver are associated with described one or more article, wherein described storer are coupled to described transceiver, and described machine-readable character of wherein said memory stores and described image.
20, method as claimed in claim 19, wherein said machine-readable character comprises machine-readable data.
21, method as claimed in claim 19, wherein said machine-readable character comprises a machine-readable symbol image.
22, method as claimed in claim 19, wherein said transceiver is sent to a receiver for discriminating with the machine-readable character and the image of described storage.
23, a kind of method of differentiating article comprises:
Handle one and be stored in machine-readable character in the storer, wherein described storer is coupled to a transceiver and the two is associated with described one or more article to obtain a first code;
Handle one and be stored in image in the described storer to obtain a second code; And
Determine the authenticity of described one or more article according to described first and second code.
24, method as claimed in claim 23 determines that wherein the described authenticity of described one or more article comprises whether definite described first code is consistent with described second code.
25, method as claimed in claim 23 wherein obtains described first code and comprises and read described machine-readable character.
26, a kind of method that helps the article discriminating comprises:
Comprise that according to one the image of plurality of regions obtains a code, wherein said code is relevant with in the described plurality of regions at least one; And
The machine-readable character that described image and is comprised described code is associated with one or more article that will differentiate.
27, method as claimed in claim 26, wherein said code comprise a verification and.
28, method as claimed in claim 26, wherein said code comprise encodes to one or more pixels that are associated with described plurality of regions.
29, a kind of method of differentiating article comprises:
Obtain a first code according to an image that is associated with one or more article, wherein said image comprises that plurality of regions and described first code are relevant with in the described plurality of regions at least one;
Obtain a second code according to a machine-readable character that is associated with described one or more article; And
Determine the authenticity of described one or more article according to described first and second code.
30, method as claimed in claim 29 determines that wherein the described authenticity of described one or more article comprises whether definite described first code is consistent with described second code.
31, a kind of method that obtains data from an image comprises:
The chromatic characteristic of one or more pixels of handling one first image is to obtain one second image; And
Become a machine-readable character from described second image, to obtain a code whereby described second image interpretation.
32, method as claimed in claim 31 wherein becomes a machine-readable character to comprise described second image interpretation described second image interpretation is become a bar code.
33, method as claimed in claim 32, wherein become a bar code to comprise described second image interpretation described second image interpretation is become a bar code according to a barcode format, described barcode format comprises plurality of patterns and respective value, and each in the described plurality of patterns of wherein said barcode format all has a respective value.
34, method as claimed in claim 32 wherein becomes a bar code to comprise at least a portion that described second image interpretation is become a two-dimensional bar described second image interpretation.
35, a kind of method that helps the article discriminating comprises:
By being handled, the chromatic characteristic of one or more pixels of described image obtains a machine-readable character according to an image; And
Described image and described machine-readable character are associated with one or more article that will differentiate.
36, method as claimed in claim 35 wherein obtains a machine-readable character according to an image and comprises according to an image and obtain a bar code.
37, method as claimed in claim 36 wherein obtains a bar code according to an image and comprises at least a portion that obtains a two-dimensional bar from an image.
38, method as claimed in claim 37, it further comprises the second font code that the relevant data of a pair of and described two-dimensional bar of generation are encoded, and
Wherein described image and described machine-readable character being associated with one or more article that will differentiate comprises described two-dimensional bar and described second font code is associated with described one or more article, so that described two-dimensional bar and described second font code form a composite bar code.
39, a kind of method of differentiating article comprises:
By being handled, the chromatic characteristic of one or more pixels of described image obtains one first machine-readable character according to an image that is associated with one or more article; And
Determine the authenticity of described one or more article according to described first machine-readable character and second machine-readable character that is associated with described one or more article.
40, method as claimed in claim 39, determine that wherein the described authenticity of described one or more article comprises:
From described first machine-readable character, obtain a first code;
From described second machine-readable character, obtain a second code; And
Determine the described authenticity of described one or more article according to described first and second code.
41, method as claimed in claim 39 wherein obtains described first machine-readable character according to described image and comprises according to described image and obtain article one font code, and
Wherein said second machine-readable character comprises a second font code.
42, method as claimed in claim 41 wherein obtains described article one font code according to described image and comprises from described image and obtain a two-dimensional bar, and wherein said two-dimensional bar and described second font code form a composite bar code, and
The described authenticity of wherein determining described one or more article comprises that whether definite described second font code is corresponding to described two-dimensional bar.
43, a kind of method that helps the article discriminating comprises:
By being handled, the chromatic characteristic of one or more pixels of described image obtains a machine-readable character according to an image;
Obtain a code according to described machine-readable character;
Described code storage is coupled in the memory storage of a R-T unit in one; And
With described image, described memory storage, and described R-T unit be associated with one or more article that will differentiate.
43, a kind of method of differentiating article comprises:
By being handled, the chromatic characteristic of one or more pixels of described image obtains a machine-readable character according to an image that is associated with one or more article;
Obtain a first code according to described machine-readable character;
Obtain a second code from a memory storage that is associated with described one or more article, wherein described memory storage is coupled to a R-T unit that is associated with described one or more article; And
Determine the authenticity of described one or more article according to described first and second code.
44, method as claimed in claim 43 determines that wherein the described authenticity of described one or more article comprises whether definite described first code is consistent with described second code.
45, a kind of method that helps the article discriminating comprises:
By being handled, the chromatic characteristic of one or more pixels of described first image obtains a machine-readable character according to one first image;
One image of described machine-readable character is stored in one to be coupled in the memory storage of a R-T unit; And
With the described image of described machine-readable character, described memory storage, and described R-T unit be associated with one or more article that will differentiate.
46, a kind of method of differentiating article comprises:
By being handled, the chromatic characteristic of one or more pixels of described image obtains one first machine-readable character according to an image that is associated with one or more article;
Obtain one second machine-readable character from a memory storage that is associated with described one or more article, wherein described memory storage is coupled to a R-T unit that is associated with described one or more article;
Determine the authenticity of described one or more article according to described first and second machine-readable character.
47, method as claimed in claim 46, determine that wherein the described authenticity of described one or more article comprises:
Obtain a first code from described first machine-readable character;
Obtain a second code from described second machine-readable character; And
Determine the described authenticity of described one or more article according to described first and second code.
But 48, a kind of method according to image generation scan code, described method comprises:
Chromatic characteristic to one or more pixels of being associated with described image is handled; And
Obtain a first code of described one or more pixels, wherein said first code is corresponding to a second code that is associated with a machine-readable character.
49, method as claimed in claim 48, wherein by described first code is applied to one be associated with described machine-readable character look into table and produce described second code.
50, method as claimed in claim 48, it further comprises and adds one first designated symbol indicating one to be used to scan the starting point of described image, and adds one second designated symbol to indicate a terminal point that is used to scan described image.
51, method as claimed in claim 48, but it further comprises the described scan code that produces is applied to described one or more article.
52, method as claimed in claim 48, the described chromatic characteristic of wherein handling described one or more pixels comprises the tone value that changes described one or more pixels, convert the tone value of representing black to so that will comprise tone value greater than 50% grey black, and will comprise less than 50% linen tone value convert to represent white tone value.
53, method as claimed in claim 52, described one or more pixel coders that wherein will be converted into the tone value of representing black become a first generation code value and will be converted into to represent described one or more pixel coders of white tone value to become a second generation code value.
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- 2004-12-08 EP EP04813407A patent/EP1700248A4/en not_active Withdrawn
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2007519095A (en) | 2007-07-12 |
| EP1700248A2 (en) | 2006-09-13 |
| WO2005029390A3 (en) | 2005-12-08 |
| WO2005029390A8 (en) | 2005-05-06 |
| EP1700248A4 (en) | 2008-06-04 |
| AU2004275395A1 (en) | 2005-03-31 |
| KR20060124675A (en) | 2006-12-05 |
| CN101271539A (en) | 2008-09-24 |
| BRPI0417392A (en) | 2007-04-17 |
| WO2005029390A2 (en) | 2005-03-31 |
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