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  2. QR code - Wikipedia

    en.wikipedia.org/wiki/QR_Code

    The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [6] [7] [8] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [9] the pattern of the position detection markers was determined by finding the least-used sequence of ...

  3. Resin identification code - Wikipedia

    en.wikipedia.org/wiki/Resin_identification_code

    The Resin Identification Code (RIC) is a technical standard with a set of symbols appearing on plastic products that identify the plastic resin out of which the product is made. [1] It was developed in 1988 by the Society of the Plastics Industry (now the Plastics Industry Association ) in the United States, but since 2008 it has been ...

  4. Recycling codes - Wikipedia

    en.wikipedia.org/wiki/Recycling_codes

    Recycling codes are used to identify the materials out of which the item is made, to facilitate easier recycling process. The presence on an item of a recycling code, a chasing arrows logo, or a resin code , is not an automatic indicator that a material is recyclable; it is an explanation of what the item is made of.

  5. List of adhesive tapes - Wikipedia

    en.wikipedia.org/wiki/List_of_adhesive_tapes

    Also known as "K tape" and "kinesiology tape", it is an elastic-cotton strip backed with acrylic adhesive. It is used for treating athletic injuries and various physical disorders. Electrical tape Used to insulate electrical wires. Commonly made of black PVC (polyvinyl chloride, "vinyl"), but available in a variety of colors. Filament tape

  6. Rectangular Micro QR Code - Wikipedia

    en.wikipedia.org/wiki/Rectangular_Micro_QR_Code

    Rectangular Micro QR Code (rMQR Code) version R17x43. Rectangular Micro QR Code (also known as rMQR Code) is two-dimensional (2D) matrix barcode invented and standardized in 2022 [1] by Denso Wave as ISO/IEC 23941. [2] rMQR Code is designed as a rectangular variation of QR code and has the same parameters and applications as original QR code ...

  7. Fiducial marker - Wikipedia

    en.wikipedia.org/wiki/Fiducial_marker

    QR code for the URL of the English Wikipedia mobile Main Page includes four fiducial markers. Some barcode readers can estimate the translation, orientation, and vertical depth of a known-size barcode relative to the barcode reader.