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.
Patent No.:
Date of Patent:
May. 15, 1984
Filed:
Apr. 23, 1981
Pierre Tournois, Paris, FR;
Thomson-CSF, Paris, FR;
Abstract
A device which provides bidimensional correlation of an image obtained by the scanning of electromagnetic or acoustic waves of the reference image. The scanned image and the reference image are written into memories with a pair of memories storing the real and imaginary portion of the signal of the corresponding images. After analog conversion, the signals are placed on a carrier and correlated in a line-by-line manner through the use and elastic wave convolver. The output of the convolver is demodulated with a correlation signal being applied to an adder and the correlation image being stored with its real and imaginary portions in a set of memories to provide a bidimensional correlation of an image.