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A Kimball tag was a cardboard tag that included both human readable data and perforations to support computer processing (by the offline, "batch" processing common in their 1970s heyday). A Kimball tag was an early form of stock control label that, like its later successor the barcode, supported back office data processing functions. They were predominantly used by the retail clothing ("fashion") industry.
Sears, Roebuck & Company sponsored the development of a specialized punched card system to track garment inventory, produce timely management reports, and reduce clerical errors. A pilot system was operational in 1952.
The A. Kimball Company, an established price tag manufacturer in New York City, and the Karl J. Braun Engineering Company of Stamford, Connecticut developed the garment tags and the machine that marked and punched them.
The Potter Instrument Company of Great Neck, New York developed a photoelectric tag reader. The reader scanned 100 tags per minute. A lens system enlarged the image of a tag's holes projected by a gas-type photoflash tube onto an array of phototubes. The phototubes fired thyratrons that activated relay logic to translate the tag's coded digits into Hollerith code and punch a standard sized punched card.
- "Barcodes forgotten cousin – Kimball Tags". BardsWorld. October 7, 2009. Retrieved August 27, 2010.
- Hessler, Orville (March 1953). "Garment Tag Equipment". 1952 Proceedings of the Review of Input and Output Equipment Used in Computer Systems. Joint AIEE-IRE-ACM Computer Conference. New York, NY: American Institute of Electrical Engineers. pp. 122–125. OCLC 2719407. Retrieved 27 April 2011.
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