Arrangement for remote monitoring of the position and/or movemen

Details Arrangement for remote monitoring of the position and/or movemen Arrangement for remote monitoring of the position and/or movemen

1987-09-14

1989-02-21

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

340542, G08B 1308

Patent

active

048069108

ABSTRACT:
The monitoring arrangement consists of permanent magnets (M1, M2, M3) of different strengths which are associated with a closure mechanism. Combined in a structural unit (1), these act as signal transmitters. The structural unit (1), is, for example, so positioned in door leaf that, in the closed position of the mechanism the permanent magnets (M1, M2, M3) lie opposite sensors (S1, S2, S3) which are associated with a surrounding frame. These sensors combined in a structural unit (2), act as signal pick-ups, at which different voltages, which are increased by amplifiers V1, V2, V3, are applied as a result of differing magnetic field strengths. The output voltages thereof are adjustable by respective potentiometers and can be regulated to the threshold voltages of comparators (K1to K6).

REFERENCES:
patent: 2912540 (1959-11-01), Sawicki
patent: 3161742 (1964-12-01), Bagno
patent: 3803575 (1974-04-01), Gotanda
patent: 4661805 (1987-04-01), Salzer

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