Accession Number : ADD001849

Title :   Measuring Core Reductance.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : Obenschain,Arthur W

Report Date : 17 Jun 1975

Pagination or Media Count : 5

Abstract : The patent relates to testing the cores in a magnetometer block. This is accomplished by using a total field magnetometer having the six cores thereof previously matched. One of the cores is replaced by the core to be tested and the magnetometer is placed in a constant magnetic field. A calibrated field is applied to the magnetometer and removed causing a certain effect or signal to be produced. The magnetometer is then rotated 90 degrees with respect to the field so that the background field along the test core varies from zero to the value of the constant field. The signal produced when the magnetometer has been rotated 90 degrees is compared to the calibration signal and the reductance of the tested core is thereby determined.

Descriptors :   *Magnetic cores, *Patents, Inductance, Magnetometers, Measurement

Subject Categories : Test Facilities, Equipment and Methods

Distribution Statement : APPROVED FOR PUBLIC RELEASE