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The Aztec Code is a matrix code invented by Andrew Longacre, Jr. and Robert Hussey in 1995. [1] The code was published by AIM, Inc. in 1997. Although the Aztec Code was patented, that patent was officially made public domain. [2] The Aztec Code is also published as ISO/IEC 24778:2008 standard.
MaxiCode is a public domain, machine-readable symbol system originally created by the United Parcel Service (UPS) in 1992. [1] Suitable for tracking and managing the shipment of packages, it resembles an Aztec Code or QR code, but uses dots arranged in a hexagonal grid instead of square grid. MaxiCode has been standardised under ISO/IEC 16023. [2]
PDF417. PDF417 is a stacked linear barcode format used in a variety of applications such as transport, identification cards, and inventory management. "PDF" stands for Portable Data File. The "417" signifies that each pattern in the code consists of 4 bars and spaces in a pattern that is 17 units (modules) long.
Aztec codices were usually made from long sheets of fig-bark paper ( amate) or stretched deerskins sewn together to form long and narrow strips; others were painted on big cloths. [4] Thus, usual formats include screenfold books, strips known as tiras, rolls, and cloths, also known as lienzos.
The Aztec or Nahuatl script is a pre-Columbian writing system that combines ideographic writing with Nahuatl specific phonetic logograms and syllabic signs [ 1] which was used in central Mexico by the Nahua people in the Epiclassic and Post-classic periods. [ 2] It was originally thought that its use was reserved for elites, however, the ...
1952–1981. Number built. 6,976. The Piper PA-23, named Apache and later Aztec, is an American four- to six-seat twin-engined light aircraft aimed at the general aviation market. The United States Navy and military forces in other countries also used it in small numbers.
A Swiss postal barcode encoding "RI 476 394 652 CH" in Code 128 (B & C) Code 128 is a high-density linear barcode symbology defined in ISO/IEC 15417:2007. [ 1] It is used for alphanumeric or numeric-only barcodes. It can encode all 128 characters of ASCII and, by use of an extension symbol (FNC4), the Latin-1 characters defined in ISO/IEC 8859 ...
T ōnalpōhualli refers to the count of the days, made up of 20 day signs and a 260 day cycle. In Aztec society there were multiple intertwining calendars, the tōnalpōhualli, and the xiuhpōhualli which refers to the solar year of 365 days. The xiuhpōhualli was divided into eighteen twenty day months, and then an extra five days at the end ...