Inductive position detector

Details Inductive position detector Inductive position detector

2005-12-20

2005-12-20

Hofsass, Jeffery (Department: 2636)

Communications: electrical

Condition responsive indicating system

Specific condition

C318S653000, C324S207150

Reexamination Certificate

active

06977594

ABSTRACT:
Inductive position detector (10) is described which includes scale (20) having a longitudinal axis containing a train of magnetic balls (22), and a transducer (30) moveable relative to the scale (20). The transducer (30) includes means to induce a magnetic field in the scale (20). Magnetic markers (23) are provided at axially spaced locations along the scale (20). As the transducer (30) is moved along the scale (20), the pattern of magnetic markers (23) detected enables the position of the transducer to be determined.

REFERENCES:
patent: 4100485 (1978-07-01), Rogers
patent: 4103222 (1978-07-01), Phillips et al.
patent: 4581525 (1986-04-01), Horstmann
patent: 5029304 (1991-07-01), Tolmie, Jr.
patent: 6545461 (2003-04-01), Miyata
patent: 6693420 (2004-02-01), Gill
patent: WO 00 6972 (2000-02-01), None
Copy of International Search Report for PCT/GB 02/03102 (2 pages).

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