Patent ID: 8714754
Filing Date: 2014-05-06
Classification: G03B

Abstract:
1. A projector which projects projection light representing an image onto a projection surface, comprising: a focus adjusting unit which adjusts focus of a projected image according to manual operation; an adjustment image projecting unit which projects an adjustment image containing a portion representing a predetermined pattern on the projection surface; an imaging unit which captures the adjustment image; a specifying unit which specifies a focusing condition of the adjustment image by analyzing image data of the adjustment image captured by the imaging unit; and a condition indicating unit which displays the specified focusing condition as part of the adjustment image, wherein the adjustment image projecting unit projects the adjustment image in response to manual operation of the focus adjusting unit and stops projecting the adjustment image if a detection unit detects no movement during passage of a predetermined time after the last manual operation for the focus adjusting unit, and wherein the adjustment image includes: