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Interactive programmable interface for relegendable LCD keyswitches
Interactive programmable interface for relegendable LCD keyswitches
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机译:交互式可编程界面,用于可切换的LCD按键开关
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摘要
An interface circuit for interfacing a relegendable liquid crystal display (LCD) keyswitch to a controlling processor. The interface circuit is adaptable for use with data input devices and point-of-sale devices.
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