Magnetic line-type position-angle detecting device

Details Magnetic line-type position-angle detecting device Magnetic line-type position-angle detecting device

2006-12-08

2009-11-10

Aurora, Reena (Department: 2858)

Electricity: measuring and testing

Magnetic

Displacement

C324S207250, C324S174000

Reexamination Certificate

active

07615993

ABSTRACT:
To provide a magnetic line-type position-angle detecting device capable of detecting an absolute position on a non-contact basis and with high resolution and inexpensive construction, the magnetic line-type position-angle detecting device includes a magnetic line sensor1having a plurality of magnetic sensor elements1aarranged in line, and a magnetic generating element2confronting the magnetic line sensor and movable in a direction conforming to the line of the magnetic sensor elements1a. The magnetic sensor elements1aof the magnetic line sensor1are sequentially selected by a scanning circuit3, a signal from the selected sensor element1ais processed into a digital signal through an amplifier4, and an analog-to-digital converting circuit5. By a calculation processing circuit6, a distribution of magnetic fields applied to the magnetic line sensor1are measured to calculate the position and/or angle of the magnetic generating element2.

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patent: 6509732 (2003-01-01), Rhodes et al.
patent: 7050917 (2006-05-01), Schroeder
patent: 7263781 (2007-09-01), Sielemann
patent: 2004/0150393 (2004-08-01), Lequesne et al.
patent: 2007/0063696 (2007-03-01), Takahashi
patent: 2003-148999 (2003-05-01), None

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