Importance

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Abstract

An input device has: a fixed base; a case positioned on the fixed base; a movable body supported on the fixed base by the case so as to be movable in a direction crossing the up-down direction; a magnetic field generation means, for generating a magnetic field downward, attached to the movable body; and a magnetic field direction detection means for detecting the direction of a magnetic field component along a virtual plane crossing the up-down direction, the magnetic field direction detection means being disposed, on the fixed base, at other than the position of a virtual central line of the magnetic field with the movable body being at a reference position. The magnetic field generation means includes a permanent magnet, one pole of which faces downward, and also includes a magnetic portion placed apart from the virtual central line of the magnetic field with space being left between them.

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First Claim