Transformer alarm annunciator

Details Transformer alarm annunciator Transformer alarm annunciator

1988-09-06

1989-09-19

Orsino, Joseph A.

Communications: electrical

Condition responsive indicating system

Specific condition

340691, G08B 2100

Patent

active

048685470

ABSTRACT:
The present invention is a transformer alarm annunciator which discloses a system that transmits a general alarm signal to a central location in response to one of a plurality of alarm conditions without blocking the signal path, so that in the event of system failure the alarm signal will still be transmitted as a transformer alarm. The device provides a means to disable a particular alarm condition while allowing the remaining alarms to be monitored.

REFERENCES:
patent: 3775675 (1973-11-01), Freeze et al.
patent: 4547722 (1985-10-01), Sarlo

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