He later became president of a Litton Industries unit called Intermec, a maker of bar-code scanners.

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It pioneered the use of bar-code scanners, slick supply chains and inventory management tweaked to local purchasing preferences.

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The other pieces enterprise products like two-way radios for public safety agencies and bar-code scanners became Motorola Solutions, with Brown at the helm.

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In addition, they depend on an array of specialty devices, such as audio book-readers, color readers, navigation tools, raised Braille labels, special bar-code scanners, and large-buttoned, voice-enabled MP3 players which are prohibitively expensive.

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