公开(公告)号：US20170213526A1

公开(公告)日：2017-07-27

申请号：US15328216

申请日：2015-07-22

Applicant: DENSO CORPORATION

Inventor： Hiroyuki HARA ,  Akito TOYODA ,  Masaaki KAWAUCHI ,  Tadashi KAMADA

IPC: G09G5/395

CPC classification number: G09G5/395 ,  G09G3/2096 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/3674 ,  G09G3/3685 ,  G09G2310/061 ,  G09G2310/08 ,  G09G2330/12 ,  G09G2360/12 ,  G09G2380/10 ,  H04N5/23293 ,  H04N5/66 ,  H04N7/183

Abstract: A display apparatus includes: a processing device receiving video signals of a video image by an image capturing device and processes an image of a frame in a viewable state based on the video signals to generate display signals; a display device receiving the display signals from the processing device and continuously displays, on a screen, images of a plurality of frames included in the display signals to display the video image; a setting device setting, for each frame, identification information to identify successive frames among the plurality of frames included in the display signals; and a detection device comparing the identification information of one frame of the image displayed on the display device with the identification information of a next one frame of the image displayed on the display device, and detecting that the screen of the display device freezes when both of the identification information are identical.