Magnetic sensor with compensation

Details Magnetic sensor with compensation Magnetic sensor with compensation

Filed on

2011-08-16

Date issued

2011-08-16

Examiner

Patidar, Jay (Department: 2858)

Patent Class

Electricity: measuring and testing

SubClass

Magnetic

SubSubClass

Displacement

Other Related Categories

C324S207200, C324S207240

Type

Reexamination Certificate

Status

active

Patent number

07999533

Description

ABSTRACT:
A sensing assembly. The sensing assembly is spaced apart from a magnet that has a magnet length, and includes a compensation module and a string of magnetic sensors that has a string length. The magnetic sensors are grouped into a plurality of magnetic sensor groups. Each of the magnetic sensors generates a respective intermediate signal based on the magnet. The compensation module assigns a plurality of respective gains to the respective magnetic sensor groups based on a difference between the magnet length and the string length, and applies the respective gains to the respective intermediate signals of the respective magnetic sensor groups to generate respective adjusted signals.

REFERENCES:
patent: 6307365 (2001-10-01), Santos et al.
patent: 6573710 (2003-06-01), Santos et al.
patent: 2002/0145419 (2002-10-01), Luetzow et al.
patent: WO 9953266 (1999-10-01), None
Search Report and Written Opinion from corresponding International Application No. PCT/US2007/000887 mailed on Dec. 11, 2007.

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