Non-volatile memory display cell

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...

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340763, 350363, G02F 117

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active

048590380

ABSTRACT:
An electrolytic display cell includes two plates, one of which is covered by a semi-transparent electrode. The display is obtained by connecting the electrode to a source of potential of a first polarity and the erasing by connecting the electrode to a source of potential of a second polarity. The electrode has a first terminal and a second terminal. The first and the second terminal are adapted to be connected to apparatus for detecting whether the electrode has been made visible.

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