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:
Feb. 21, 2023
Filed:
Mar. 30, 2021
Lapis Semiconductor Co., Ltd., Yokohama, JP;
Yuki Imatoh, Yokohama, JP;
LAPIS SEMICONDUCTOR CO., LTD., Yokohama, JP;
Abstract
An image distortion correction circuit according to the present invention comprises; a first distortion correction circuit that performs a mapping process on an input image signal to generate a distortion-corrected image signal; an inspection region defining circuit that defines an inspection image region in the one-frame image; an inspection region extraction circuit that extracts a part corresponding to the inspection image region from the distortion-corrected image signal and outputs the part of the distortion-corrected image signal as a first inspection image signal; a second distortion correction circuit that outputs a second inspection signal, the second inspection signal being generated by performing the mapping process on the part of the input image signal corresponding to the inspection image region; and a failure determination circuit that determines that a failure occurs and outputs a failure detection signal when the first inspection image signal and the second inspection image signal are mutually different.