PROBLEM TO BE SOLVED: To provide a device for preventing birds from coming flying capable of preventing birds from coming flying and approaching by irradiating birds with bright light effectively, without being affected by a weather such as sunlight or wind power.SOLUTION: Such a constitution is adopted that includes a light source capable of changing an irradiation direction of light, a cover for covering the light source comprising an optically transparent material provided with a plurality of convex lenses on at least one surface on the inside or the outside, and a photosensor for setting a time zone for lighting the light source.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】太陽光や風力といった天候に影響されず、鳥類に対して効果的に明るい光を放射して、その飛来、接近を防止する鳥類飛来防止装置を提供する。【解決手段】光の放射方向が変化する光源と、内側或いは外側の少なくとも一方の面に複数の凸レンズを設けた光透過性素材でなる光源にかぶせるカバーと、光源を点灯する時間帯を設定する光センサと、を備えた構成を採る。【選択図】図1
