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US 4,987,602 AGranted
Method of displaying high-resolution distributions of physical parameters on a monitor and device for carrying out the method
OwnerWolfgang Brunner, Ludwig V. Zechinventors
Life of this patent
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Abstract
A method of displaying a high-resolution distribution of the amount of physical parameters measured on a prescribed surface by a number of sensors with an electric output signal, especially pressures or forces acting at right angles on a stage that has a matrix of sensors, on a display.
Claims16
A method for displaying a high-resolution distribution of physical parameters in form of pressures or forces acting at right angles on a stage having a matrix of sensors, comprising the steps:
- measuring said parameters with said sensors having an electrical output signal, said parameters being displayed on a display monitor;
- converting said output signal to digital values when said output signal is an analog signal;
- storing digital values of each sensor in a respective address in a results memory;
- generating from the digital values stored in the results memory a first virtual image in form of a matrix of squares with sides of a first predetermined length and representing locations of said sensors, each stored digital value being associated with pixel values from a pixel memory;
- generating from the pixel values a second virtual image in form of a matrix of squares with sides of a second predetermined length differing from said first predetermined length, one virtual image being superimposed on the other virtual image;
- calculating each pixel value by a processor from a square area surrounding centrally said pixel value in said second virtual image by determining each area in said first virtual image;
- weighting each area with stored digital value in said first virtual image by forming products with areas of surrounding squares and summing all products;
- summing all areas of said surrounding squares;
- dividing the sum of all products by the sum of all areas of said surrounding squares and forming a quotient;
- storing the quotient in a corresponding address in said pixel memory;
- and displaying contents of said pixel memory on said display monitor.
8 more elements
Apparatus for displaying a high-resolution distribution of physical parameters in form of pressures or forces acting at right angles on a stage having a matrix of sensors, comprising:
- a matrix of sensors on a stage;
- said sensors measuring said parameters and having an electrical output signal;
- a displaying monitor for displaying said parameters;
- means for converting said output signal to digital values when said output signal in an analog signal;
- a results memory for storing digital values of each sensor in a respective address in said results memory;
- means for generating from digital values stored in said results memory a first virtual image in form of a matrix of squares with sides of a first predetermined length and representing locations of said sensors;
- a pixel memory, each stored digital value being associated with pixel values from said pixel memory;
- means for generating from said pixel values a second virtual image in form of a matrix of squares with sides of a second predetermined length differing from said first predetermined length, one virtual image being superimposed on the other virtual image;
- a processor for calculating each pixel value from a square area surrounding centrally said pixel value in said second virtual image by determining each area in said first virtual image;
- means for weighting each area with stored digital value in said first virtual image by forming products with areas of surrounding squares and summing all products;
- means for summing all areas of said surrounding squares;
- means for dividing the sum of all products by the sum of all areas of said surrounding squares and forming a quotient;
- means for storing said quotient in a corresponding address in said pixel memory, contents of said pixel memory being displayed on said display monitor.
10 more elements
Dependencies are inferred from the claim text.