Electricity: measuring and testing – Magnetic – Displacement
Reexamination Certificate
2007-03-20
2007-03-20
LeDynh, Bot (Department: 2862)
Electricity: measuring and testing
Magnetic
Displacement
C324S251000, C324S207200
Reexamination Certificate
active
11089042
ABSTRACT:
A target activated sensor including a magnet, a magnetic field sensing element located proximate the magnet and a single ferrous pole located proximate the sensing element. The sensing element senses a change in magnetic field caused by the presence of a target. The magnet, sensing element and single pole piece may be combined in a single package.
REFERENCES:
patent: 6921107 (2005-07-01), Mills et al.
patent: 7005848 (2006-02-01), Suzuki et al.
patent: 2002/0005715 (2002-01-01), Sato
Grossman Tucker Perreault & Pfleger PLLC
LeDynh Bot
Stoneridge Control Devices Inc.
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