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US 10,222,231 B2Granted
Apparatus and method for sensing
AssigneeNokia Technologies Oy
InventorMark Allen
Life of this patent
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Abstract
According to aspects of the present disclosure there is provided an apparatus and method for sensing. The apparatus includes a sensor circuit which includes a first output terminal, a second output terminal and a sensor that is provided in a bridge circuit arrangement. The sensor circuit is configured such that a sensor measurement can be determined based on a voltage difference between first and second output terminals. The apparatus is configured so as to prevent a current from being able to flow from the first output terminal through the sensor circuit to the second output terminal.
Claims15
An apparatus comprising:
- a sensor circuit comprising:
- a first output terminal;
- a second output terminal;
- and
- a sensor provided in a bridge circuit arrangement;
- at least a second sensor circuit, the at least second sensor circuit comprising a further first output terminal and a further second output terminal, wherein the output terminals of the sensor circuit are connected in parallel with the further output terminals of the at least second sensor circuit;
- and
- a processor configured to cause the apparatus to at least perform the following:
- determine a sensor measurement based on a voltage difference between the first and second output terminals;
- prevent a current from being able to flow from the first output terminal through the sensor circuit to the second output terminal;
- and
- selectively couple and decouple at least one of the sensor circuit and the at least second sensor circuit to ground.
9 more elements
A method comprising:
- preventing a current from flowing from an output terminal of a sensor circuit through the sensor circuit to another output terminal of the sensor circuit, wherein the sensor circuit comprises:
- a sensor provided in a bridge circuit arrangement;
- wherein the sensor circuit is configured such that a sensor measurement can be determined based on a voltage difference between the output terminals of the sensor circuit;
- connecting, in parallel, the output terminals of the sensor circuit with output terminals of at least a second sensor circuit;
- and
- at least one of:
- coupling the sensor circuit to ground;
- and
- decoupling the second sensor terminal from ground.
6 more elements
Dependencies are inferred from the claim text.