Hall effect device for use in obtaining square or square root of

Details Hall effect device for use in obtaining square or square root of Hall effect device for use in obtaining square or square root of

1976-05-05

1977-03-29

James, Andrew J.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

330 63, 357 27, H03K 1790, H03K 1918, H01L 2722, H01L 2982

Patent

active

040151484

ABSTRACT:
In accordance with the Hall effect, a magnetic field applied perpendicular to the direction of current flow through a conductor causes an electric field perpendicular to both the direction of the current flow and the direction of the magnetic field established in the conductor. This effect has been used to produce magnetic field and current detectors, modulators and frequency doublers. In accordance with the present disclosure a portion of the magnetic field is reversed to produce squaring of or obtaining the square root of the amplitude of the voltage used to produce the conductor current.

REFERENCES:
patent: 3683127 (1972-08-01), Hori
patent: 3731123 (1973-05-01), Matsushita
patent: 3800193 (1974-03-01), Ashar et al.
patent: 3811075 (1974-05-01), Shiga
patent: 3916428 (1975-10-01), Kuninobu et al.

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