Control circuit for sensor array and related methods

G - Physics – 01 – L

Patent

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G01L 1/20 (2006.01)

Patent

CA 2647296

A control circuit for scanning a pressure or force responsive sensor array is disclosed. Pressure or force sensors formed of an array of pressure or force responsive sensor elements can.be used to acquire pressure or force measurements in response to an applied load. The control circuit can sample signals from the sensor elements to detect the pressure or force at one or more sensor elements of the sensor array. The circuit herein may provide for relatively faster scan rates. A user may define a subset or subsets of sensor elements of the sensor array to be scanned. Various methods and related circuitry for adjusting for sensor characteristics are also disclosed.

L'invention concerne un circuit de commande destiné à balayer une mosaïque de capteurs sensibles à la pression ou à la force. Les capteurs de force ou de pression formés à partir d'éléments de détection sensibles à une mosaïque de pression ou de force peuvent être utilisés afin d'acquérir des mesures de pression ou de force en réponse à une charge appliquée. Le circuit de commande peut échantillonner des signaux provenant des éléments de détection afin de détecter la pression ou la force au niveau d'un ou plusieurs éléments de détection de la mosaïque de capteurs. Ce circuit peut mettre en oeuvre des vitesses de balayage relativement supérieures. Un utilisateur peut définir un ou des sous-ensembles d'éléments de détection de la mosaïque de capteurs à balayer. L'invention concerne également divers procédés et circuits associés destinés à régler les caractéristiques de détection.

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