Electronic switching arrangement

Details Electronic switching arrangement Electronic switching arrangement

1993-09-27

1995-06-27

Pellinen, A. D.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

Systems for magnetizing, demagnetizing, or controlling the...

361154, 361170, 361187, H01F 718, H01H 4704

Patent

active

054284961

ABSTRACT:
An electronic switching arrangement for controlling a coil includes a capacitor for energizing the coil by momentarily passing a current therethrough so as to generate a required attractive force for movement of the armature. After movement of the armature, only a lower holding current is supplied. Arranged parallel to the coil is a voltage divider which cooperates with a transistor to detect and evaluate an unintentional movement of the armature.

REFERENCES:
patent: 4053876 (1977-10-01), Taylor
patent: 4479117 (1984-10-01), Marquardt
patent: 4631629 (1986-12-01), Mallick, Jr.
patent: 4777556 (1988-10-01), Imran
patent: 4797779 (1989-01-01), Richards et al.
patent: 4970622 (1990-11-01), Buchl
patent: 5196730 (1993-03-01), Matsuo
patent: 5196983 (1993-03-01), Stumpf
patent: 5241218 (1993-08-01), Page

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