Compact electronic voting

A portable electronic voting machine suitable for use in simple elections includes a number of spring-loaded switches normally centered and movable upward to a vote position to select a candidate and downward to an erase position to erase a previous selection that has not yet been entered with a lig...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HUHN, MARY SUSAN, HILL, WINFIELD, HOROWITZ, PAUL
Format: Patent
Sprache:eng
Schlagworte:
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