| 摘要 |
PROBLEM TO BE SOLVED: To provide a projection device that is improved in safeness, can reduce speckles caused by coherency of laser without disposing a despeckle element, and can display an image in accordance with a shape of a projection target. ! SOLUTION: The projection device includes a plurality of projectors 1a, 1b each including a laser light source 10 that emits light in plurality of colors, scanning means 25 that scans the light from the laser light source, and a control unit 40 that controls emission timing of the laser light source. Each projector 1a, 1b includes an infrared light source (infrared irradiation unit 31) that radiates infrared rays and light-receiving means (infrared detection unit 32) tat receives light radiated from the infrared light source. The control units 40 control emission timing of the respective laser light sources based on the light received by the respective light-receiving means. Thus, an image in accordance with a shape of a projection target can be displayed. ! COPY |
