Needed details of Fluxgate sensor design

[Atul Asthana]

I am interested in building fluxgate sensor.
I am looking for articles/texts on fluxgate sensor design, which an amateur can build.

[Qiaozhi]

I am interested in building fluxgate sensor.
I am looking for articles/texts on fluxgate sensor design, which an amateur can build.

Have you seen this? ->
http://www.geotech1.com/cgi-bin/page...fmx1/index.dat

[Atul Asthana]

Fluxgate sensor design

Its a good article.

However, I am interested in designing a sensor; since I can lay my hands on mumetal sheets/bars/toroids.

Some details on construction and theory will be of great help.

[Atul Asthana]

US patent 5239264 Hawks

Has any one tried constructing the device mentioned in this papent?

Or any of the other magnetometer patents siting this patent?

http://www.freepatentsonline.com/res...&search=Search