| 摘要 |
PROBLEM TO BE SOLVED: To enable visible light communication without affecting projection, without need of extra operation and preparation required for the visible light communication.SOLUTION: A projection device includes: a light source for radiating light; a projection device for performing spatial optical modulation of the light radiated from the light source, according to an image signal; an image processing unit for generating the image signal from image data to be projected; a drive unit for blinking the light source according to transmission data; and a control unit for controlling the drive unit according to the transmission data to blink the light source, at the projection of first image data. |
