The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 17, 1997

Filed:

Sep. 28, 1989
Applicant:
Inventors:

Lloyd J Lewins, Marina Del Rey, CA (US);

Peter V Messina, Santa Monica, CA (US);

Assignee:

Hughes Electronics, Los Angeles, CA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
382274 ; 382169 ; 348672 ; 348673 ;
Abstract

Systems and methods for improving the intensity equalization of image data obtained with systems that perceive images with energy sources other than visible light includes a sensor for such data; a converter for transforming the image data from analog form to digital form; a converter for transforming the digital data into black-and-white images containing a predetermined, desired number of gray shades; an intensity equalizer that compensates for the logarithmic effect of visual images on a human eye; an intensity equalizer that compensates for the non-linear effect of the display device for the data; and a converter for transforming the digital intensity-equalized black-and-white image data into analog form for display on a device such as a conventional CRT.


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