Variable frequency stress transducer

Details Variable frequency stress transducer Variable frequency stress transducer

1976-01-08

1977-08-02

Corcoran, Robert J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

73DIG2, 331 65, 331113A, G01R 3312

Patent

active

040399354

ABSTRACT:
A magnetostrictive mechanical, variable frequency stress transducer is disclosed in which the frequency of the output signal is proportional to the applied stress. This device consists of a magnetic stress actuating member, to which the stress is applied, and a transistor-magnetic oscillator constructed so the stress sensitive magnetic characteristic of the stress actuating member is the principal frequency determining element of the oscillator.

REFERENCES:
patent: 2564777 (1951-08-01), Cavanagh
patent: 2571718 (1951-10-01), Howes
patent: 2961602 (1960-11-01), Bender
patent: 3133256 (1964-05-01), Denelsbeck et al.
patent: 3319464 (1967-05-01), Bender
patent: 3940992 (1976-03-01), Jost et al.

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