Magnetometer-based locator and identifier for ferrous objects ha

Details Magnetometer-based locator and identifier for ferrous objects ha Magnetometer-based locator and identifier for ferrous objects ha

1987-09-29

1989-06-06

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Conductor identification or location

Inaccessible

324207, 324226, 324260, 324326, 324345, 340710, G01R 1900, G01R 3312, G01V 308

Patent

active

048374890

ABSTRACT:
A ferrous object detector and locator includes a magnetometer sensor and a position sensor controlled by a microprocessor. The device accurately locates and identifies an unknown ferrous object and determines the depth and orientation of a buried ferrous rod. Simultaneous magnetic field measurements from the magnetometer and position information in one or more orthogonal directions from the position sensor are combined and analyzed by the microprocessor using predetermined algorithms to determine the location and identity of the object. The detecetor is capable of detecting location and identity of objects of general shape and size.

REFERENCES:
patent: 3238448 (1966-03-01), Wood et al.
patent: 4464622 (1984-08-01), Franklan
patent: 4527123 (1985-07-01), Gilman et al.
patent: 4538476 (1985-09-01), Luque
patent: 4672321 (1987-06-01), Howell
Whitehead, "Metal Pipe or Wiring Locator", Practical Electronics, vol. 12, No. 12, pp. 952-955, Dec. 1976.

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