US Patent No. 9,087,467

DISPLAY CONTROL DEVICE AND DISPLAY CONTROL METHOD


Patent No. 9,087,467
Issue Date July 21, 2015
Title Display Control Device And Display Control Method
Inventorship Mai Ootsuka, Kawasaki (JP)
Assignee CANON KABUSHIKI KAISHA, Tokyo (JP)

Claim of US Patent No. 9,087,467

1. A display control device comprising:
an acquisition unit configured to acquire the size of a picture and a unique viewing distance unique to the picture, which
are added in advance to picture data and stored in association with the picture, wherein the unique viewing distance is a
predetermined optimum viewing distance unique to the picture;

a display size management unit configured to manage the display size of the picture displayed by a display device;
a viewing distance calculation unit configured to calculate a recommended viewing distance when a viewer views the picture
displayed by the display device, wherein the recommended viewing distance is calculated based on the size of the picture acquired
by the acquisition unit, the unique viewing distance acquired by the acquisition unit, and the display size of the picture
managed by the display size management unit; and

a notification unit configured to notify the recommended viewing distance,
wherein the viewing distance calculation unit calculates a viewing distance, in which the relationship between the size of
the picture and the unique viewing distance is substantially equal to the relationship between the display size and the viewing
distance, as the recommended viewing distance.