Peak magnetic field detector with non-volatile storage

Details Peak magnetic field detector with non-volatile storage Peak magnetic field detector with non-volatile storage

1992-11-23

1994-05-31

Wieder, Kenneth A.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Transient or portion of cyclic

360113, G01R 1900, G11B 5127

Patent

active

053172515

ABSTRACT:
A peak current detecting and non-volatile storage device has a substrate having a hole. Individual magnetic field detecting elements are located on the substrate and are radially displaced from the hole. A conductor extends through the hole. The magnetic field detecting elements are magnetized to a predetermined state. Current carried by the conductor creates a magnetic field around the conductor which alters the predetermined state of magnetization of the magnetic field detecting devices. Various readout techniques may be used to determine the altered state of magnetization which is representative of the magnetic field and may be easily related to the current.

REFERENCES:
patent: 4180775 (1979-12-01), Hsieh
patent: 4290014 (1981-09-01), Tremaine
patent: 4716364 (1987-12-01), Guilford et al.
Military & Aerospace Electronics, vol. 3, No. 3, May 1992 "TRW Device Promises to Cut Test and Monitoring Costs" by Charlotte Adams, 2 pages.
Aviation Week & Space Technology, Apr. 20, 1992 "New Integrated Circuit Disc Allows No-Connection Monitoring" by Bruce D. Nordwall, 1 page.

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