Method and apparatus for measuring an entity of a magnetic...

Details Method and apparatus for measuring an entity of a magnetic... Method and apparatus for measuring an entity of a magnetic...

2004-08-13

2008-03-18

Patidar, Jay M (Department: 2862)

Electricity: measuring and testing

Magnetic

Magnetometers

C324S225000

Reexamination Certificate

active

07345476

ABSTRACT:
Method and apparatus for measuring an entity of a magnetic field using a Hall sensor which is provided with at least one Hall plate which has a group of two pairs of terminals located at a distance from one another, an excitation signal supplied from a source to one pair of terminals and a detection signal, which forms a representation of the entity, which is tapped off from the other pair of terminals by a processing circuit. The source is a voltage source of which an impedance is negligible for use of the sensor, and the processing circuit has a negligible input impedance for tapping off me detection signal as a short-circuit current.

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Written Opinion and the International Preliminary Examination Report for PCT/NL/2004/000573 and International Search Report for PCT/NL/2004/000573; Dec. 27, 2004; Sep. 19, 2005.

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