Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2011-05-17
2011-05-17
Bugg, George A (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S661000, C340S636150, C340S635000, C340S657000, C324S501000, C324S500000
Reexamination Certificate
active
07944365
ABSTRACT:
Systems, methods, and apparatuses may be provided for stray voltage detection. The systems, methods and apparatuses may include providing a first antenna at a first location relative to a monitored equipment or structure, where the first antenna may be operative to detect a first electric field strength at the first location, providing a second antenna at a second location relative to the monitored equipment or structure, where the second antenna may be operative to detect a second electric field strength at the second location, and detecting a stray voltage based at least in part upon the detected first electric field strength and the second electric field strength.
REFERENCES:
patent: 4697166 (1987-09-01), Warnagiris et al.
patent: 5149188 (1992-09-01), Robbins
patent: 7449892 (2008-11-01), Wiswell et al.
patent: 2007/0085702 (2007-04-01), Walters et al.
patent: 2007/0270114 (2007-11-01), Kesler et al.
Dorogi Michael
Simion Emil
Walters Jeff
ABL IP Holding LLC
Bugg George A
Fan Hongmin
Sutherland & Asbill & Brennan LLP
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