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Browse Prior Art Database

Multi-Code Scanner

IP.com Disclosure Number: IPCOM000051331D
Original Publication Date: 1981-Jan-01
Included in the Prior Art Database: 2005-Feb-10
Document File: 2 page(s) / 46K

Publishing Venue

IBM

Related People

Rohen, JE: AUTHOR

Abstract

A plurality of codes, having significantly different format protocols, processed by a single piece of equipment having a scanner port 10 analog-to-digital converter 11 through the use of a plurality of parallel microcomputers 12 through 17. The output from all of the microcomputers is applied as data bytes to the bus 18 of a master processor 19.

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Multi-Code Scanner

A plurality of codes, having significantly different format protocols, processed by a single piece of equipment having a scanner port 10 analog-to-digital converter 11 through the use of a plurality of parallel microcomputers 12 through
17. The output from all of the microcomputers is applied as data bytes to the bus 18 of a master processor 19.

Microcomputers 12 through 17 are each arranged to recognize one of the multitude of codes. For example, microcomputer 12 is programmed to recognize the format protocol of the so-called F/2F code used in magnetic stripe recording. Microcomputer 13 is programmed to recognize the protocol of the delta distance code, also used in magnetic recording. Microcomputer 14 is arranged to recognize the signals produced from optical character scanning. Microcomputer 15 is arranged to recognize the Universal Product Code (UPC) produced from optical scanning, and microcomputers 16 and 17 are used for still different codes.

A particular pattern of bits presented by a scanner attached to port 10 will be compatible with only one of the various codes for which the microcomputers are programmed. The microcomputer that is able to recognize a code format as valid will provide the recognition of that code to the main processing unit on output bus 18.

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