US Patent No. 10,989,993

CONTROL DEVICE FOR CORRECTING PROJECTION IMAGE, PROJECTION SYSTEM, METHOD OF CONTROLLING SAME, AND STORAGE MEDIUM


Patent No. 10,989,993
Issue Date April 27, 2021
Title Control Device For Correcting Projection Image, Projection System, Method Of Controlling Same, And Storage Medium
Inventorship Masaru Kurota, Tokyo (JP)
Kensuke Inagaki, Tokyo (JP)
Assignee CANON KABUSHIKI KAISHA, Tokyo (JP)

Claim of US Patent No. 10,989,993

1. A control device for controlling a projector, the control device comprising:at least one processor and/or at least one circuit configured to:
select a target point of a projection image projected on a projection plane by the projector;
display, on a display that is different from the projection plane, an image indicative of the target point and a first area image indicative of a range in which the target point can be moved on the display;
control the projector to project a second area image on the projection plane, wherein the second area image indicates a range in which the target point can be moved on the projection plane;
receive a user's operation for moving the target point of the projection image; and
according to receipt of the user's operation, control the projector to move the target point on the projection plane,
wherein after selection of the target point and before reception of the user's operation for moving the target point, the at least one processor and/or at least one circuit displays the image and the first area image on the display and controls the projector to project the second area image on the projection plane, and
wherein the second area image includes a grid pattern indicative of the range in which the target point can be moved on the projection plane.