Monitoring device for distinguishing the operating state of a lo

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...

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323285, 323902, 323909, 340515, G05F 100

Patent

active

043718310

ABSTRACT:
In a remote control system which is operated by way of a light wave guides, a monitoring device is provided for a remotely controllable load, the monitoring device measuring the current through the load and deriving values therefrom for the proper and the improper operating state of the load. All switches participating in the drive and monitoring functions with respect to the load are incorporated in a check concerning the operability of the monitor and of the load, the check being carried out during operation of the load.

REFERENCES:
patent: 3159772 (1964-12-01), van Doorn
patent: 3341748 (1967-09-01), Kammiller
patent: 3582926 (1971-06-01), Hassan
patent: 3679965 (1972-07-01), Wilkinson
patent: 4115830 (1978-09-01), Stieber

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