Title:
IMAGE DISPLAY DEVICE AND CONTROL METHOD THEREOF
Document Type and Number:
Japanese Patent JP2023027847
Kind Code:
A
Abstract:
To appropriately adjust the brightness of a display image even if an error occurs in communication for each frame between a plurality of image display devices.SOLUTION: An image display device 100 includes: communication means 20 for enabling communication with a second image projection device for each frame of a video signal; and first control means 200 and 300 for controlling brightness adjustment. The first control means sets an adjustment value using brightness information acquired in a first image display device and brightness information acquired in a second image display device and received together with identification information that the second image display device has from the second image display device, controls the brightness adjustment in the first image display device using the adjustment value, and transmits at least one of the adjustment value and the brightness information acquired in a first image projection device to the second image display device together with the identification information that the first image projection device has.SELECTED DRAWING: Figure 2
Inventors:
OKADA YOSHIYUKI
Application Number:
JP2021133168A
Publication Date:
March 03, 2023
Filing Date:
August 18, 2021
Export Citation:
Assignee:
CANON KK
International Classes:
G09G5/10; G03B21/14; G09G5/00; H04N5/74
Attorney, Agent or Firm:
Ryosuke Fujimoto
Atsuya Mizumoto
Tomoya Hirayama
Atsuya Mizumoto
Tomoya Hirayama