Specific location of hall chips for sensing redundant angular positions
AssigneeHoneywell International Inc.
InventorsRichard A. Bear, Michael T. Bunyer, Lamar F. Ricks
Life of this patent
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Abstract
A Hall-effect sensor apparatus, system and method. In general, a substrate having a surface can be provided. A plurality of Hall-effect sensing elements can then be configured upon the substrate, such that the centerline of a sensing plane associated with the plurality of Hall-effect sensing elements is located towards the surface of substrate, which results in a reduction of the distance between the centerline of the plane of the plurality of Hall-effect sensing elements and an axis of rotation of an associated bias magnet, thereby optimizing the location of the plurality of Hall-effect sensing elements and minimizing sensitivity to misposition and an increase in sensing accuracy.
Claims20
A Hall-effect sensor apparatus, comprising:
- a substrate having a surface;
- a plurality of surface mount packages inverted on said substrate;
- and
- a plurality of Hall-effect sensing elements configured upon said plurality of surface mount packages, wherein a centerline of a sensing plane associated with said plurality of Hall-effect sensing elements is located toward said surface of substrate, which results in a reduction of a distance between said centerline of said plane of said plurality of Hall-effect sensing elements and an axis of rotation of a bias magnet, thereby optimizing a location of said plurality of Hall-effect sensing elements and minimizing sensitivity to a misposition thereof and an increased sensing accuracy.
A Hall-effect sensor system, comprising:
- a Printed Circuit Board (PCB) having a surface;
- a bias magnet located proximate to said surface of said PCB;
- a plurality of surface mount packages inverted on said PCB;
- a plurality of Hall effect sensing elements configured upon said plurality of surface mount packages, wherein a centerline of a sensing plane associated with said plurality of Hall effect sensing elements is located toward said surface of PCB, which results in a reduction of a distance between said centerline of said plane of said plurality of Hall effect sensing elements and an axis of rotation of said bias magnet, thereby optimizing a location of said plurality of Hall effect sensing elements and minimizing sensitivity to a misposition thereof and an increased sensing accuracy.
A Hall-effect sensor method, comprising:
- providing a substrate having a surface;
- providing a plurality of surface mount packages inverted on said substrate;
- and
- configuring a plurality of Hall-effect sensing elements upon said plurality of surface mount packages substrate, wherein a centerline of a sensing plane associated with said plurality of Hall-effect sensing elements is located toward said surface of substrate, which results in a reduction of a distance between said centerline of said plane of said plurality of Hall-effect sensing elements and an axis of rotation of a bias magnet, thereby optimizing a location of said plurality of Hall-effect sensing elements and minimizing sensitivity to a misposition thereof and an increased sensing accuracy.
Dependencies are inferred from the claim text.