发明名称 PROJECTOR AND METHOD OF CONTROLLING PROJECTOR
摘要 A projector includes a projection optical system adapted to project an image on a screen, a lens drive section adapted to perform a focus adjustment in accordance with an operation, a shooting section adapted to shoot the screen, an evaluation value calculation section adapted to calculate an evaluation value used to evaluate contrast of a shot image of the shooting section, and a display control section adapted to make the projection lens project an image, which corresponds to a difference between the evaluation value calculated by the evaluation value calculation section after the focus adjustment and a maximum value of the evaluation values having been calculated by the evaluation value calculation section before the focus adjustment, on the screen in a case in which the lens drive section has performed the focus adjustment in accordance with the operation.
申请公布号 US2015237318(A1) 申请公布日期 2015.08.20
申请号 US201514622751 申请日期 2015.02.13
申请人 SEIKO EPSON CORPORATION 发明人 NAKASHIN Yoshitaka
分类号 H04N9/31;H04N5/232 主分类号 H04N9/31
代理机构 代理人
主权项 1. A projector comprising: a projection section adapted to project an image on a projection surface; a focus adjustment section adapted to perform a focus adjustment of the projection section in accordance with an operation; a shooting section adapted to shoot the projection surface; an evaluation value calculation section adapted to calculate an evaluation value used to evaluate contrast of a shot image of the shooting section; and a control section adapted to make the projection section project an image, which corresponds to a difference between the evaluation value calculated by the evaluation value calculation section after the focus adjustment and a maximum value of the evaluation values having been calculated by the evaluation value calculation section before the focus adjustment, on the projection surface in a case in which the focus adjustment section has performed the focus adjustment in accordance with the operation.
地址 Tokyo JP