Noncontact rotary position sensor and electric control...

Details Noncontact rotary position sensor and electric control... Noncontact rotary position sensor and electric control...

2005-09-20

2005-09-20

Ledynh, Bot (Department: 2862)

Electricity: measuring and testing

Magnetic

Displacement

C324S207200, C123S617000

Reexamination Certificate

active

06946831

ABSTRACT:
There is provided a compact, noncontact rotary position sensor that accurately detects a rotary position of a rotating object. A magnetism throttling portion is provided in a midway point of a magnetic path. Two magnetic induction elements are disposed adjacently each other at the magnetism throttling portion. This arrangement effectively allows a magnetic flux to converge at the location, at which the magnetic induction elements are mounted. A noncontact rotary position sensor offering high sensitivity and high accuracy can then be obtained. It is also possible to simplify routing of signal lines from the two magnetic induction elements, since the two magnetic induction elements are adjacent to each other.

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patent: 6137288 (2000-10-01), Luetzow
patent: 6448762 (2002-09-01), Kono et al.
patent: 6559637 (2003-05-01), Miyata et al.
patent: 8-35809 (1996-02-01), None
patent: 2000-28314 (2000-01-01), None

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