Early hand-held calculators with LED, fluorescent, and early LCD displays.

早期手持带有LED，荧光，液晶显示器和早期计算器。

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We focus on PARC because that happened to work out, but HP for instance, made major early Next Big Thing bets on hand-held calculators for the exact same reasons.

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After experience with early hand- held calculators at Rockwell International, with the first consumer video tape recorder at Cartridge Television, and with the original computer controlled video editing systems at CMX Systems, a CBS-Memorex joint venture, he began his own management consulting business in 1974.

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