Abstract: Disclosed is a combined "streak-detector" and "ink-lever flow detector" on opposite sides of a single printed circuit board; each detector comprising a pair of parallel printed circuit segments adapted to be "shorted" by interposition of conductive ink and coupled to register this event in an associated detect-logic stage.
Abstract: A method for adapting a computer unit array having an internal power supply for supplying an associated external peripheral unit with DC power from this power supply; wherein the computer unit is provided with a removable "power panel" secured in a sidewall and is made to comprise a metal strip provided with electrical terminals therein adapted for coupling to the power supply, and for so powering such a peripheral unit.
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