Fully redundant position sensor
AssigneeIntegrated Device Technology, Inc.
InventorGentjan Qama
Life of this patent
Estimating the term…
Abstract
A position sensor according to some embodiments includes a first position sensor board having first sensor coils and a first transmit coil; a second position sensor board having second sensor coils stacked with, and separated from by a distance Z, the first position sensor; and at least one target positioned relative to the stacked first position sensor and second position sensor. A redundant position sensor according to some embodiments includes a plurality of stacked sensor boards, each of the plurality of sensor boards including sensor coils, wherein one of the plurality of stacked sensor boards includes an active transmit coil; and a target positioned over the plurality of stacked sensor boards.
Claims15
A position sensor, comprising:
- a first position sensor board having first sensor coils and a first transmit coil;
- a second position sensor board having second sensor coils and second transmit coil stacked with, and separated from by a distance Z, the first position sensor;
- and
- at least one target positioned relative to the stacked first position sensor and second position sensor,
- wherein the second transmit coil is shorted while the first transmit coil is active.
A redundant position sensor, comprising:
- a plurality of stacked sensor boards, each of the plurality of sensor boards including sensor coils, wherein at least one of the plurality of stacked sensor boards includes a transmit coil, and
- a target positioned over the plurality of stacked sensor boards,
- wherein one or more of the plurality of stacked sensor boards includes a transmission coil, wherein the transmission coil for each of the plurality of boards except for the one with the active transmit coil is shorted.
Dependencies are inferred from the claim text.