System for displaying an estimated current source

Details System for displaying an estimated current source System for displaying an estimated current source

1990-03-16

1994-02-08

Envall, Jr., Roy N.

Boots, shoes, and leggings

1286531, G06F 1500

Patent

active

052853853

ABSTRACT:
An estimated current dipole displaying system in which a weak magnetic field generated from the heart or brain is measured to estimate the position, direction, magnitude and depth from a body surface of a current dipole which is equivalent to a heart current or a current flowing in a nerve and the estimated current dipole is displayed on a two-dimensional display. A parameter, other than that used to indicate the magnitude and those inappropriate for combined use with the magnitude indicating parameter, is used as a depth indicating parameter and the current dipole is thus displayed.

REFERENCES:
patent: 4591998 (1986-05-01), Kuperman et al.
patent: 4644336 (1987-02-01), Mark
patent: 5072384 (1991-12-01), Doi et al.
"William L. Hart" Analytic Geometry and Calculus, 1957, p. 42 FIG. 27.
Samuel J. Williamson and Lloyd Kaufman; Application of SQUID Sensors to the Investigation of Neural Activity in the Human Brain, IEEE Transaction on Magnetics, vol. Mag-19, No. 3, May 1983.
Joachim Hohnsbein; Biomagnetismus Bild Der Wissenschaft Aug. 1986, pp. 76-83.

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