Displacement sensor with inner and outer winding sections

Details Displacement sensor with inner and outer winding sections Displacement sensor with inner and outer winding sections

2007-01-02

2007-01-02

Lefkowitz, Edward (Department: 2862)

Electricity: measuring and testing

Magnetic

Displacement

C324S207240

Reexamination Certificate

active

11018598

ABSTRACT:
A sensor coil for a non-contacting inductive displacement sensor, having two inner substantially identically formed winding sections (1), with an unwound section (2) provided between the two inner winding sections. Also, the coil has two outer substantially identically formed winding sections (3), which are respectively arranged at the ends of the two inner winding sections (1) facing away from the unwound section (2). The two outer winding sections (3) have a larger number of windings than the two inner winding sections (1), thereby producing a measuring signal which is substantially linear along the measuring range.

REFERENCES:
patent: 3456132 (1969-07-01), Dechelotte
patent: 4623840 (1986-11-01), Fujimura et al.
patent: 6580264 (2003-06-01), Nekado
patent: 575 115 (1976-04-01), None
patent: 575115 (1976-04-01), None
patent: 41 28 159 (1993-02-01), None
patent: 4128159 (1993-02-01), None
Translation of CH 575115 A5.
Translation of DE 4128159 A1.

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