Rotation detection apparatus
AssigneeProterial, Ltd.
InventorKazuhiko Tomita
Life of this patent
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Abstract
The present invention relates to a rotation detection apparatus configured to detect a rotation state of a gear based on a magnetic field change that occurs as the gear is rotated. The rotation detection apparatus includes: a first sensor portion and a second sensor portion each having a magnetic detection element and a covering member configured to cover the magnetic detection element; one permanent magnet arranged between the first sensor portion and the second sensor portion; and a housing portion configured to accommodate the first sensor portion, the second sensor portion and the permanent magnet.
Claims5
A rotation detection apparatus configured to detect a rotation state of an object-to-be-detected based on a magnetic field change that occurs as the object-to-be-detected is rotated, the rotation detection apparatus comprising:
- a first sensor portion and a second sensor portion each having a magnetic detection element and a covering member configured to cover the magnetic detection element;
- one permanent magnet arranged between the first sensor portion and the second sensor portion;
- and
- a housing portion configured to accommodate the first sensor portion, the second sensor portion and the permanent magnet.
Dependencies are inferred from the claim text.