| Subject | English | German |
| commun. | logic signal | Logik-Signal |
| automat. | negative-logic signal | Negativlogiksignal |
| comp. | negative-logic signal | Negativlogiksignal (niedriger Pegel entspricht logisch Eins) |
| automat. | positive-logic signal | Positivlogiksignal |
| tech. | signal logic | Meldelogik |
| comp. | unipolar logic signal | Einfachstrom-Logiksignal |