Electricity: measuring and testing – Magnetic – Displacement
Reexamination Certificate
2011-08-09
2011-08-09
Aurora, Reena (Department: 2858)
Electricity: measuring and testing
Magnetic
Displacement
C324S207160, C324S207170
Reexamination Certificate
active
07994777
ABSTRACT:
An inductive proximity sensor is disclosed. The proximity sensor includes a housing having at least a first pair of inductive coils disposed within the housing. One of the first pair of inductive coils is opposite in polarity from another one of the first pair of inductive coils. The sensor optionally includes a second set of inductive coils, having opposite polarity.
REFERENCES:
patent: 6236200 (2001-05-01), Nekado et al.
patent: 19748602 (1999-06-01), None
patent: 10057773 (2002-05-01), None
Chen Weihua
Kulkarni Prachi S.
Rollins George E.
Sufariu Diana A.
Aurora Reena
Miller John M.
Rockwell Automation Technologies Inc.
Schwegman Lundberg et al
Walbrun William R.
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