Inductive transducer for rectilinear or rotational displacement

Details Inductive transducer for rectilinear or rotational displacement Inductive transducer for rectilinear or rotational displacement

1974-07-23

1977-03-22

Kozma, Thomas J.

Inductor devices

With closed coil or conductor member

Movable with respect to another coil

336 79, H01F 2104

Patent

active

040139867

ABSTRACT:
The inductance of a coil wound on one end of an elongated rectangular core with an elongated central window is caused to vary by the displacement of a conducting plate or ring arrangement lengthwise of the core. The other end of the core may also be wound with a coil to produce a differential type of transducer. The elongated core may be bent around into a circle in order to provide a transducer for rotational displacement. Additional ferromagnetic bodies in fixed relation to the core or to the short-circuiting rings can be used to modify the translation characteristic.

REFERENCES:
patent: 1642343 (1927-09-01), Raimondi
patent: 1828900 (1931-10-01), Kouyoumjian
patent: 2020796 (1935-11-01), Norris
patent: 2030606 (1936-02-01), Norris
patent: 2697214 (1954-12-01), Smith
patent: 2922146 (1960-01-01), Smith et al.
patent: 3173119 (1965-03-01), Thompson
patent: 3215962 (1965-11-01), Thompson
patent: 3495456 (1970-02-01), Ohno

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