Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
July 14, 2009
0Patent Application Number
121487220
Date Filed
April 21, 2008
0Patent Primary Examiner
Patent abstract
An attachment for an instrument having a rotary shaft whose position is indicative of a value being measured. A needle is attached to the shaft with an inherent magnetic field, or which carries a magnet. A sensor responsive to the direction of the field is supported above the needle, and reads out the angle of the needle relative to the sensor. These readings can be used for monitoring and control purposes.
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