Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1976-06-21
1979-05-01
Trafton, David L.
Communications: electrical
Condition responsive indicating system
Specific condition
320 48, 340636, 340663, G08B 1900, G08B 1710
Patent
active
RE0299839
ABSTRACT:
Time pulse generator having biasing means therefor including a control device, which may be a transistor and means interconnecting the biasing means to the battery being monitored. The output of the time pulse generator is utilized to drive a signaling device to indicate a low level of battery energy and/or an alarm condition as detected by an external condition sensor.
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Blackwell Lyman L.
Staby Paul A.
Emerson Electric Co.
Trafton David L.
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