Position sensor and corresponding method for detecting the...

Details Position sensor and corresponding method for detecting the... Position sensor and corresponding method for detecting the...

2007-07-10

2007-07-10

Lefkowitz, Edward (Department: 2862)

Electricity: measuring and testing

Magnetic

Displacement

C324S207170

Reexamination Certificate

active

11042872

ABSTRACT:
A low-wear sensor with little structural outlay to detect a combined linear and rotational movement, such as in a print roller (10). In one embodiment, a PLCD (Permanent Magnetic Linear contactless Displacement) sensor includes a magnet (5) which can be rotated about a longitudinally extended coil (2). A ring magnet is particularly suitable for this. The linear position of the ring magnet can be determined independently of its rotational movement (7) by means of the voltage induced in coils (3,4). Detection of the linear position is contactless and thus wear-free.

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patent: 2004/0036468 (2004-02-01), Hoffelder et al.
patent: 198 05 783 (1999-09-01), None
Tyco Electrnics AMP GmbH, “PLCD displacement sensor for industrial applications”, 2001.

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