Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1982-03-15
1984-12-11
Rowland, James L.
Communications: electrical
Condition responsive indicating system
Specific condition
320 48, 324133, 339 29B, G08B 2100
Patent
active
044881479
ABSTRACT:
A battery jumper cable system wherein an alarm is provided upon initial misconnection of the system cables to a first-connected battery, or upon subsequent misconnection of one of the system cables to a second-connected battery. The system includes principal conductors for connection to the terminal posts of the batteries, and an auxiliary conductor for connection to the frame or ground terminal of the second-connected battery. An alternative embodiment provides for two auxiliary conductors whereby either end of the cable system can be connected to either battery.
REFERENCES:
patent: 3259754 (1966-07-01), Matheson
patent: 4272142 (1981-06-01), Zapf
Myer Daniel
Rowland James L.
Telecopt Co.
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