Sensor device
The sensor device uses shields to redirect external magnetic fields, preventing interference and ensuring accurate torsion bar measurement by shielding the collectors, thus maintaining sensor precision.
JP2026113650APending Publication Date: 2026-07-07LG INNOTEK CO LTD
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- LG INNOTEK CO LTD
- Filing Date
- 2026-04-06
- Publication Date
- 2026-07-07
AI Technical Summary
Technical Problem
The collector in the sensor device is affected by external magnetic fields, leading to inaccurate measurement of the torsion bar's degree of torsion.
Method used
The sensor device incorporates a rotor, stator, first and second shields, and first and second collectors, with the shields positioned to guide external magnetic fields away from the collectors, using specific regions and bends to prevent interference.
Benefits of technology
The solution effectively prevents external magnetic fields from affecting the sensor, ensuring accurate measurement of the torsion bar's degree of torsion, with minimal impact on sensing values even in the presence of external magnetic fields.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure 2026113650000001_ABST
Abstract
The present invention provides a sensor device that can prevent the sensor from being affected by external magnetic fields. [Solution] A sensor device comprising a rotor 100, a stator 200 arranged to correspond to the rotor 100, a first shield 300 and a second shield 400 arranged on one side of the stator 200, a first collector 500 and a second collector 600 arranged between the first shield 300 and the second shield 400, and a Hall sensor arranged between the first collector 500 and the second collector 600, wherein the first shield 300 is arranged at a distance from the first collector 500 and the second collector 600, and the second shield 400 is arranged at a distance from the first collector 500 and the second collector 600.
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