Electricity: measuring and testing – Magnetic – Magnetic field detection devices
Patent
1991-01-09
1992-09-08
Snow, Walter E.
Electricity: measuring and testing
Magnetic
Magnetic field detection devices
324226, G01R 3300, G01N 2772
Patent
active
051461650
ABSTRACT:
A device is disclosed herein for measuring the pressure that a magnetic object exerts which includes a housing having a movable diaphragm held in a taut condition across an internal cavity. A central area of the diaphragm mounts a metallic or magnetic sensitive element operable in response to the presence of a magnetic field to move into and out of the internal cavity to create a detectable and readable pressure level. An analog or digital meter displays the pressure reading. The problem of determining the force exerted by a magnetic field is solved directly.
Marrs Roger A.
Snow Walter E.
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