Electrostatic sensors
First Claim
1. A sensor comprising an array of electrostatic sensor elements, each capable of producing a respective output signal when the sensor is directed to a region of an object being sensed, the output signals being separately available at the sensor output to provide information relating to the electrostatic charge distribution across the region, the sensor further comprising a display means by means of which the output signals are displayed to provide an image having a plurality of pixels wherein the display intensity or display color of each pixel is determined by the magnitude or polarity of the charge sensed by the or a corresponding sensor element.
1 Assignment
0 Petitions
Accused Products
Abstract
A sensor 10 comprises an array of electrostatic sensor elements 12, each centred at a respective sensing position 14. Each element produces a respective output signal at 16. The outputs 16 can be used to drive respective pixels of a display. This allows an image to be created to represent the electrostatic charge distribution across the region to which the sensor is directed.
-
Citations
15 Claims
- 1. A sensor comprising an array of electrostatic sensor elements, each capable of producing a respective output signal when the sensor is directed to a region of an object being sensed, the output signals being separately available at the sensor output to provide information relating to the electrostatic charge distribution across the region, the sensor further comprising a display means by means of which the output signals are displayed to provide an image having a plurality of pixels wherein the display intensity or display color of each pixel is determined by the magnitude or polarity of the charge sensed by the or a corresponding sensor element.
Specification