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VIN on a Chinese moped VIN on a 1996 Porsche 993 GT2 VIN visible in the windshield VIN recorded on a Chinese vehicle licence. A vehicle identification number (VIN; also called a chassis number or frame number) is a unique code, including a serial number, used by the automotive industry to identify individual motor vehicles, towed vehicles, motorcycles, scooters and mopeds, as defined by the ...
A leading "0" usually means standard coupé, for the RoW markets. For the 944 and 968, US cars are usually identified by a leading "5". 944 convertibles have a leading "3" (RoW) or "8" (US). Sometimes this model code extends into the 14th digit, such as for the 968 CS which had chassis numbers beginning with "15". [4]
Yellow dots on white paper, produced by color laser printer (enlarged, dot diameter about 0.1 mm) Printer tracking dots, also known as printer steganography, DocuColor tracking dots, yellow dots, secret dots, or a machine identification code (MIC), is a digital watermark which many color laser printers and photocopiers produce on every printed page that identifies the specific device that was ...
The first part (NN) is the serial number, next the Manufacturer's 2 or 3 letter code, followed by a four digit number that indicates the two-digit month and two-digit year it was manufactured. For example, 123-JOP-0554 means it was Lot 123, made by Joliet Ordnance Plant (JOP) in May 1954.
An EAN-13 number includes a 3-digit GS1 prefix (indicating country of registration or special type of product). A prefix with a first digit of "0" indicates a 12-digit UPC-A code follows. A prefix with first two digits of "45" or "49" indicates a Japanese Article Number (JAN) follows.
Serial numbers are often used in network protocols. However, most sequence numbers in computer protocols are limited to a fixed number of bits, and will wrap around after sufficiently many numbers have been allocated. Thus, recently allocated serial numbers may duplicate very old serial numbers, but not other recently allocated serial numbers.
The manufacturers-code, is a 1, 2, 3 or 4-letter block. If the code starts with a W, it is an imported bicycle frame. The second block is the frame serial number from that manufacturer. This shall have at least one digit, but can otherwise have any number of digits. The third block is a single letter code that identifies the production year.
A Data Matrix on a Mini PCI card, encoding the serial number 15C06E115AZC72983004. The most popular application for Data Matrix is marking small items, due to the code's ability to encode fifty characters in a symbol that is readable at 2 or 3 mm 2 (0.003 or 0.005 sq in) and the fact that the code can be read with only a 20% contrast ratio. [1]