Inductive position detector

Details Inductive position detector Inductive position detector

2005-06-21

2005-06-21

Le, N. (Department: 2862)

Electricity: measuring and testing

Magnetic

Displacement

Reexamination Certificate

active

06909280

ABSTRACT:
The invention relates to an inductive position detector (1) comprising a first member (9) having a longitudinal axis and an element of magnetic material extending in the direction of the longitudinal axis and having a periodically varying dimension in a direction perpendicular to the longitudinal axis, and a second member (10) movable relatively to the first member along the longitudinal axis and comprising means to induce a magnetic field in the element. The position detector analyses characteristic variations in the magnetic field to determine the position of the first member relative to the second member.

REFERENCES:
patent: 4103222 (1978-07-01), Phillips et al.
patent: 6549004 (2003-04-01), Prigge
patent: 0 386 477 (1990-09-01), None
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patent: 0 795 738 (1997-09-01), None
patent: 1 513 567 (1978-06-01), None
patent: 2 286 679 (1995-08-01), None
patent: 11-223505 (1999-08-01), None
Copy of GB Search Report Cover Page (1 sheet) dated Mar. 15, 2000, GB 9926153.9.

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