Electricity: measuring and testing – Magnetic – Displacement
Reexamination Certificate
2007-04-24
2007-04-24
Aurora, Reena (Department: 2862)
Electricity: measuring and testing
Magnetic
Displacement
C324S207210, C324S252000
Reexamination Certificate
active
10706149
ABSTRACT:
A 360-degree magnetoresistive rotary position sensor comprises a magnetic linear sensor and a magnetic angular sensor, formed on a semiconductor substrate. The linear sensor detects a sense of a magnetic field, and the angular sensor detects an angular position of the magnetic field up to 180-degrees. With the linear sensor indicating that a positive sense of the magnetic field is detected, the angular sensor detects a first 180-degrees of angular position. With the linear sensor indicating that a negative sense of the magnetic field is detected, the angular sensor detects a second 180-degrees of angular position. As a result, the position sensor detects a full 360 degrees of rotation.
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International Search Report, PCTUS2004/037297.
Wan Hong
Withanawasam Lakshman S.
Aurora Reena
Honeywell International , Inc.
McDonnell Boehnen & Hulbert & Berghoff LLP
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