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Methods and apparatus for error detection in a magnetic field sensor
US2016123780A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016123780-A1 |
| Application number | US-201414529497-A |
| Country | US |
| Kind code | A1 |
| Filing date | Oct 31, 2014 |
| Priority date | Oct 31, 2014 |
| Publication date | May 5, 2016 |
| Grant date | — |
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Abstract
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A magnetic field sensor for detecting motion of an object includes error detection circuiting and processing. Magnetic field sensing elements are configured to generate at least two magnetic field signals in response to a magnetic field associated with the object which signals are used by detectors to generate right and left channel signals with edges indicative of motion of the object. A direction calculation processor responsive to right and left channel signals generates a direction signal having a state indicative of a direction of motion of the object and an output signal generator generates an output signal having a pulse indicative of the direction of motion of the object in response to the direction signal. An error detection processor responsive to the output signal and to the direction signal is configured to detect an error in at least one of the direction signal and the output signal.
First claim
Opening claim text (preview).
What is claimed is: 1 . A magnetic field sensor for detecting motion of an object, comprising: a plurality of magnetic field sensing elements configured to generate at least two magnetic field signals in response to a magnetic field associated with the object; a first detector circuit responsive to at least one of the magnetic field signals and configured to generate a right channel signal having edges indicative of motion of the object; a second detector circuit responsive…
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- G01D18/00Primary
Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
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- What does patent US2016123780A1 cover?
- A magnetic field sensor for detecting motion of an object includes error detection circuiting and processing. Magnetic field sensing elements are configured to generate at least two magnetic field signals in response to a magnetic field associated with the object which signals are used by detectors to generate right and left channel signals with edges indicative of motion of the object. A direc…
- Who is the assignee on this patent?
- Allegro Microsystems Llc
- What technology area does this patent fall under?
- Primary CPC classification G01D18/00. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Thu May 05 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).