DC-based magnetic field controller

Details DC-based magnetic field controller DC-based magnetic field controller

1990-05-14

1994-05-31

Snow, Walter E.

Electricity: measuring and testing

Magnetic

Magnetometers

324228, 324226, G01N 2772, G01R 3312, G01R 3306

Patent

active

053172590

ABSTRACT:
A magnetic field controller for laboratory devices and in particular to dc operated magnetic field controllers for mass spectrometers, comprising a dc power supply in combination with improvements to a hall probe subsystem, display subsystem, preamplifier, field control subsystem, and an output stage.

REFERENCES:
patent: 3080507 (1963-03-01), Wickerham et al.
patent: 3416073 (1968-12-01), Gutow, Jr.
patent: 3597679 (1971-08-01), Habfast
patent: 4613818 (1986-09-01), Battocletti et al.
Buncick et al., "Computer controlled method for removal of stray magnetic fields", 8127 Review of Scientific Inst. vol. 54 (1983) Jan., No. 1 pp. 100-103.

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