Electrical transmission or interconnection systems – Switching systems – Condition responsive
Patent
1991-08-30
1993-10-26
Pellinen, A. D.
Electrical transmission or interconnection systems
Switching systems
Condition responsive
328 5, 307308, H01H 3500, H01H 3600
Patent
active
052569098
ABSTRACT:
In an electronic switch, preferably operating with zero contact, an electronic load switch (3) is controlled by a sensor stage (1), with the switching elements being located in an IC circuit (200) between sensor stage (1) and load switch (3), said circuit (200) containing an inverter stage (7) which, when switched on and off, changes the operating mode of the switch from that of a "closer" to that of an "opener." To reduce the number of IC contacts required for this purpose, provision is made such that switch input (10) for turning on inverter stage (7) is connected inside the IC to IC output (27) of second driver stage (12) and that this IC output (27) is connectable to the operating potential to change the "opener" or "closer" operating mode through an IC-external short-circuit jumper (28).
REFERENCES:
patent: 4135124 (1979-01-01), Buck
patent: 4199694 (1980-04-01), Van Zeeland
patent: 4329730 (1982-05-01), Ryczek et al.
patent: 4414478 (1983-11-01), Ueda et al.
patent: 4543497 (1985-09-01), Buck et al.
patent: 4551640 (1985-11-01), Fukuyama et al.
patent: 4864156 (1989-09-01), Tigges et al.
Siemens Components, vol. 13, No. 5, Oct. 1, 1988, Berlin and Munich.
Sowa Herbert
Tigges Burkhard
Fleming Fritz M.
Pellinen A. D.
Werner Turck GmbH & Co. KG
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