Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1987-09-22
1989-06-27
Orsino, Joseph A.
Communications: electrical
Condition responsive indicating system
Specific condition
340292, 340508, G08B 2100
Patent
active
048433780
ABSTRACT:
The failure alarm device for an appliance of the present invention include a first alarm for indicating an abnormality if an abnormality should occur in the appliance main body, and a second alarm for indicating an abnormality if an abnormality should occur in the appliance main body and when the first alarm fails to function.
REFERENCES:
patent: 3641570 (1972-02-01), Thompson
Hofsass Jeffery A.
Orsino Joseph A.
Sharp Kabushiki Kaisha
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