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'''Matrix code''' may refer to:
{{mergeto|Barcode}}
*[[Matrix barcode]], two-dimensional barcode, as opposed to linear and stacked symbologies
*[[Matrix digital rain]], or matrix code, the logo of ''The Matrix'' franchise
* [[Matrix (record production)]], or master, a disc used in the production of phonograph records
[[Category:Barcodes]]
** [[Matrix number]], of a gramophone record
A '''matrix code''', also known as a '''2D barcode''', is a two-dimensional way of representing information. It is similar to a linear (1-dimensional) [[barcode]], but has more data representation capability.
{{disambiguation}}
Some examples<!-- (copied from the [[barcode]] article)-->:
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!Symbology!!Notes
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|3-DI||Developed by Lynn Ltd.
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|ArrayTag||From ArrayTech Systems.
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|Aztec Code||Designed by Andrew Longacre at Welch Allyn. Public ___domain.
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|Small Aztec Code|| Space conscious version of Aztec code.
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|Bullseye||This was the barcode tested in a Kroger store in Cincinnati. It used concentric bars.
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|Codablock||Stacked 1D barcodes.
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|Code 1||Public ___domain.
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|Code 16K||Based on 1D Code 128.
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|Code 49||Stacked 1D barcodes from Intermec Corp.
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|CP Code||From CP Tron, Inc.
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|Data Glyphs||From Xerox PARC.
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|[[Data matrix]]||From RVSI Acuity CiMatrix.
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|Datastrip Code||From Datastrip, Inc.
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|Dot Code A||Designed for the unique identification of items.
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|HueCode||From Robot Design Associates. Uses greyscale or colour.
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|INTACTA.CODE||From INTACTA Technologies, Inc.
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|[[MaxiCode]]||Used by [[United Parcel Service]].
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|MiniCode||From Omniplanar, Inc.
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|[[PDF417]]||The most common 2D barcode. Public ___domain.
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|Micro PDF417||Facilitates codes too small to be used in PDF417.
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|[[QR Code]]||From Nippondenso ID Systems. Can encode Japanese Kanji and Kana characters. Public ___domain.
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|[[Semacode]]||Open standard for picture cell phones
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|SmartCode||From InfoImaging Technologies.
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|Snowflake Code||From Marconi Data Systems, Inc.
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|SpotCode||Circular barcodes for [[Camera Phones|camera phones]] from [http://www.highenergymagic.com/ High Energy Magic Ltd.]
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|SuperCode||Public ___domain.
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|UltraCode||Black-and-white & colour versions. Public ___domain. Invented by Jeffrey Kaufman and Clive Hohberger.
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Descriptions of most of these codes can be found at [http://www.adams1.com/pub/russadam/stack.html BarCode 1]
{{tech-stub}}
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