Universal voltage monitoring and switching device

Details Universal voltage monitoring and switching device Universal voltage monitoring and switching device

2011-04-19

2011-04-19

Dole, Timothy J (Department: 2858)

Electricity: measuring and testing

Electromechanical switching device

Relay

C340S426320, C340S453000, C340S479000, C303S123000, C303S024100

Reexamination Certificate

active

07928734

ABSTRACT:
A monitoring and switching device for use with a towed vehicle includes a relay circuit that has a pair of terminals that are adapted to be connected with another circuit. A detection circuit is in communication with the relay circuit. The detection circuit can detect closing of the relay circuit and send an electrical signal that the relay circuit has been closed.

REFERENCES:
patent: 5886628 (1999-03-01), Alhassoon
patent: 6225918 (2001-05-01), Kam
patent: 6499814 (2002-12-01), Mixon
patent: 6744361 (2004-06-01), Maddox
patent: 7298148 (2007-11-01), Drake et al.
patent: 2005/0086797 (2005-04-01), Popescu

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