Electricity: measuring and testing – Magnetic – Displacement
Patent
1981-11-20
1986-02-11
Strecker, Gerard R.
Electricity: measuring and testing
Magnetic
Displacement
324251, 123617, G01B 714, G01R 3306
Patent
active
045701180
ABSTRACT:
A transducer for creating an electrical signal proportional to the angular position of a member pivotally mounted on a given axis, which transducer comprises an element pivoted directly by the member and containing a means for creating a flux field linearly varying in intensity along a given operating line extending in an air gap between spaced portions and having a preselected arcuate shape. A linear Hall Effect device, with an output voltage proportional to the intensity of the flux field to which the device is exposed, is mounted at a fixed position on the operating line and in the air gap. Consequently, as the element is pivoted by the monitored member, the output voltage from the Hall Effect device varies proportionally to the position of the Hall Effect device along the operating line.
REFERENCES:
patent: 3112464 (1963-11-01), Ratajski et al.
patent: 3118108 (1964-01-01), Zoss et al.
patent: 3482163 (1969-12-01), Peck et al.
patent: 3818292 (1974-06-01), Berman
patent: 4156191 (1979-05-01), Knight et al.
Wheelack, "A Linear Output Hall Effect Transducer . . . ", 2/1981 SAE Technical Paper Series 810379, pp. 23-27.
Osladil Anthony J.
Tomczak Lawrence W.
Gulf & Western Manufacturing Company
Snow Walter E.
Strecker Gerard R.
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