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. 02, 2026

Filed:

Feb. 20, 2024
Applicant:

Lapis Technology Co., Ltd., Yokohama, JP;

Inventors:

Naoki Nishitani, Yokohama, JP;

Yuki Imatoh, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/20 (2006.01); G09G 5/393 (2006.01);
U.S. Cl.
CPC ...
G09G 3/2096 (2013.01); G09G 5/393 (2013.01); G09G 2320/103 (2013.01); G09G 2330/12 (2013.01); G09G 2360/12 (2013.01); G09G 2380/10 (2013.01);
Abstract

A video processing device is configured to: generate a frame number which represents a frame to which video data belong and a value of which changes between consecutive frames; for each data block of a predetermined size in the video data, embed the frame number in a portion of the data block; write, in a frame order, the video data into a memory by using a data block as a unit; successively read data blocks written into the memory; and generate an abnormality determination signal indicating frozen video in a case where a state in which the frame number in the data block currently read does not change from the frame number in the data block read last time continues for a predetermined number of times or more.


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