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US 2023/0417576 A1Published application
Sensing device
AssigneeLG Innotek Co., Ltd.
InventorsSung Wook BYUN, Tae San KIM
Life of this patent
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Abstract
An embodiment provides a sensing device comprising: a magnet; a collector arranged to correspond to a path along which the magnet moves; and a first sensor disposed in the collector, wherein: the collector comprises a first leg part, a second leg part, and a third leg part; the magnet includes a first pole and a second pole; the first leg part and the second leg part are arranged to be opposite to the first pole; and the third leg part is arranged to be opposite to the second pole.
Claims10
A sensing device comprising:
- a magnet;
- and
- a collector disposed to correspond to a path along which the magnet moves,
- wherein the collector includes a first leg part, a second leg part, and a third leg part,
- the first leg part is disposed on a periphery of an upper end portion of the magnet, the second leg part is disposed on a periphery of a lower end portion of the magnet, and
- the third leg part has one side facing the first leg part and the other side facing the second leg part, and
- a position of the magnet is determined from a difference between a position of the magnet detected by using the first leg part and the third leg part and a position of the magnet detected by using the second leg part and the third leg part.
4 more elements
A sensing device comprising:
- a magnet;
- a stator disposed on a path along which the magnet moves;
- and
- a Hall sensor disposed to face the magnet,
- wherein the magnet moves in a first direction,
- the stator includes a first part and a second part facing the magnet,
- a width of the first part decreases in the first direction, and
- a width of the second part increases in the first direction.
5 more elements
Dependencies are inferred from the claim text.