System for rotating small permanent magnets while adjusting and

Details System for rotating small permanent magnets while adjusting and System for rotating small permanent magnets while adjusting and

1976-08-25

1978-02-14

Corcoran, Robert J.

Electricity: measuring and testing

Magnetic

Permanent magnet testing

361146, 361148, G01R 3312

Patent

active

040741974

ABSTRACT:
The present disclosure describes apparatus for the production of small permanent bar magnets accurately adjusted to a stable, predetermined value of magnetic moment. In accordance with the invention, the readout of the moment of the magnet under adjustment is provided simultaneously with the degaussing process, so that the operation becomes a coordinated one rather than the present day process involving trial-and-error. The system provides easily obtainable time-saving consistent results and is especially useful where large numbers of magnets of predetermined moment must be produced. The real-time sensing capability of the system renders it particularly suitable for automation.

REFERENCES:
patent: 2240749 (1941-05-01), Beechlyn
patent: 2869075 (1959-01-01), Ireland
patent: 3235776 (1966-02-01), Ireland
patent: 3596144 (1971-07-01), Cunningham
patent: 3624457 (1971-11-01), Lombard

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