Electricity: measuring and testing – Magnetic – Magnetometers
Patent
1989-09-06
1991-02-19
Strecker, Gerard R.
Electricity: measuring and testing
Magnetic
Magnetometers
307309, 324235, 324258, G01R 3302, G01R 3306, H03K 1790
Patent
active
049947427
ABSTRACT:
Magnetic field sensing circuits including wire coils and Hall effect devices are provided which produce high-gain output for a relatively low change in perceived field intensity. Series connected plural Hall effect devices are connected to the coil and include amplifier and integrator circuits interposed at selected points between Hall effect devices to modify the output signal gain and passband. The circuits may include diode and capacitance elements to modify the circuit output signal.
REFERENCES:
patent: 2585707 (1952-02-01), Warner
Atlantic Richfield Company
Martin Michael E.
Strecker Gerard R.
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